mirror of https://gitee.com/openkylin/linux.git
[PARISC] Make firmware calls irqsafe-ish...
There's no reason why we shouldn't be using _irqsave instead of _irq for any of these calls. fwiw, this fixes the "start_kernel(): bug: interrupts were enabled early" message displayed on bootup recently. Signed-off-by: Kyle McMartin <kyle@parisc-linux.org> Signed-off-by: Matthew Wilcox <matthew@wil.cx>
This commit is contained in:
Kyle McMartin
Matthew Wilcox
parent
ba0e427f21
commit
09690b18b7
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@ -160,13 +160,14 @@ void __init set_firmware_width(void)
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{
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#ifdef __LP64__
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0);
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convert_to_wide(pdc_result);
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if(pdc_result[0] != NARROW_FIRMWARE)
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parisc_narrow_firmware = 0;
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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#endif
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}
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@ -196,10 +197,11 @@ void pdc_emergency_unlock(void)
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int pdc_add_valid(unsigned long address)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_ADD_VALID, PDC_ADD_VALID_VERIFY, address);
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -216,15 +218,16 @@ EXPORT_SYMBOL(pdc_add_valid);
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int __init pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_info, unsigned long len)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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memcpy(&pdc_result, chassis_info, sizeof(*chassis_info));
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memcpy(&pdc_result2, led_info, len);
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retval = mem_pdc_call(PDC_CHASSIS, PDC_RETURN_CHASSIS_INFO,
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__pa(pdc_result), __pa(pdc_result2), len);
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memcpy(chassis_info, pdc_result, sizeof(*chassis_info));
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memcpy(led_info, pdc_result2, len);
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -239,13 +242,14 @@ int __init pdc_chassis_info(struct pdc_chassis_info *chassis_info, void *led_inf
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int pdc_pat_chassis_send_log(unsigned long state, unsigned long data)
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{
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int retval = 0;
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unsigned long flags;
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if (!is_pdc_pat())
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return -1;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_PAT_CHASSIS_LOG, PDC_PAT_CHASSIS_WRITE_LOG, __pa(&state), __pa(&data));
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -258,10 +262,11 @@ int pdc_pat_chassis_send_log(unsigned long state, unsigned long data)
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int pdc_chassis_disp(unsigned long disp)
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{
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int retval = 0;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_CHASSIS, PDC_CHASSIS_DISP, disp);
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -273,11 +278,12 @@ int pdc_chassis_disp(unsigned long disp)
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int pdc_chassis_warn(unsigned long *warn)
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{
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int retval = 0;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_CHASSIS, PDC_CHASSIS_WARN, __pa(pdc_result));
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*warn = pdc_result[0];
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -292,15 +298,16 @@ int pdc_chassis_warn(unsigned long *warn)
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int __init pdc_coproc_cfg(struct pdc_coproc_cfg *pdc_coproc_info)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_COPROC, PDC_COPROC_CFG, __pa(pdc_result));
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convert_to_wide(pdc_result);
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pdc_coproc_info->ccr_functional = pdc_result[0];
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pdc_coproc_info->ccr_present = pdc_result[1];
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pdc_coproc_info->revision = pdc_result[17];
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pdc_coproc_info->model = pdc_result[18];
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -320,14 +327,15 @@ int pdc_iodc_read(unsigned long *actcnt, unsigned long hpa, unsigned int index,
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void *iodc_data, unsigned int iodc_data_size)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_IODC, PDC_IODC_READ, __pa(pdc_result), hpa,
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index, __pa(pdc_result2), iodc_data_size);
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convert_to_wide(pdc_result);
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*actcnt = pdc_result[0];
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memcpy(iodc_data, pdc_result2, iodc_data_size);
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -346,14 +354,15 @@ int pdc_system_map_find_mods(struct pdc_system_map_mod_info *pdc_mod_info,
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struct pdc_module_path *mod_path, long mod_index)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_SYSTEM_MAP, PDC_FIND_MODULE, __pa(pdc_result),
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__pa(pdc_result2), mod_index);
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convert_to_wide(pdc_result);
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memcpy(pdc_mod_info, pdc_result, sizeof(*pdc_mod_info));
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memcpy(mod_path, pdc_result2, sizeof(*mod_path));
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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pdc_mod_info->mod_addr = f_extend(pdc_mod_info->mod_addr);
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return retval;
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@ -372,13 +381,14 @@ int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
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long mod_index, long addr_index)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_SYSTEM_MAP, PDC_FIND_ADDRESS, __pa(pdc_result),
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mod_index, addr_index);
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convert_to_wide(pdc_result);
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memcpy(pdc_addr_info, pdc_result, sizeof(*pdc_addr_info));
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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pdc_addr_info->mod_addr = f_extend(pdc_addr_info->mod_addr);
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return retval;
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@ -393,12 +403,13 @@ int pdc_system_map_find_addrs(struct pdc_system_map_addr_info *pdc_addr_info,
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int pdc_model_info(struct pdc_model *model)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_INFO, __pa(pdc_result), 0);
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convert_to_wide(pdc_result);
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memcpy(model, pdc_result, sizeof(*model));
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -414,8 +425,9 @@ int pdc_model_info(struct pdc_model *model)
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int pdc_model_sysmodel(char *name)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_SYSMODEL, __pa(pdc_result),
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OS_ID_HPUX, __pa(name));
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convert_to_wide(pdc_result);
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@ -425,7 +437,7 @@ int pdc_model_sysmodel(char *name)
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} else {
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name[0] = 0;
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}
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -443,12 +455,13 @@ int pdc_model_sysmodel(char *name)
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int pdc_model_versions(unsigned long *versions, int id)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_VERSIONS, __pa(pdc_result), id);
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convert_to_wide(pdc_result);
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*versions = pdc_result[0];
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -463,13 +476,14 @@ int pdc_model_versions(unsigned long *versions, int id)
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int pdc_model_cpuid(unsigned long *cpu_id)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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pdc_result[0] = 0; /* preset zero (call may not be implemented!) */
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retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CPU_ID, __pa(pdc_result), 0);
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convert_to_wide(pdc_result);
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*cpu_id = pdc_result[0];
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -484,13 +498,14 @@ int pdc_model_cpuid(unsigned long *cpu_id)
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int pdc_model_capabilities(unsigned long *capabilities)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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pdc_result[0] = 0; /* preset zero (call may not be implemented!) */
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retval = mem_pdc_call(PDC_MODEL, PDC_MODEL_CAPABILITIES, __pa(pdc_result), 0);
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convert_to_wide(pdc_result);
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*capabilities = pdc_result[0];
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -504,12 +519,13 @@ int pdc_model_capabilities(unsigned long *capabilities)
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int pdc_cache_info(struct pdc_cache_info *cache_info)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_CACHE, PDC_CACHE_INFO, __pa(pdc_result), 0);
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convert_to_wide(pdc_result);
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memcpy(cache_info, pdc_result, sizeof(*cache_info));
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -523,13 +539,14 @@ int pdc_cache_info(struct pdc_cache_info *cache_info)
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int pdc_spaceid_bits(unsigned long *space_bits)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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pdc_result[0] = 0;
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retval = mem_pdc_call(PDC_CACHE, PDC_CACHE_RET_SPID, __pa(pdc_result), 0);
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convert_to_wide(pdc_result);
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*space_bits = pdc_result[0];
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -544,11 +561,12 @@ int pdc_spaceid_bits(unsigned long *space_bits)
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int pdc_btlb_info(struct pdc_btlb_info *btlb)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_BLOCK_TLB, PDC_BTLB_INFO, __pa(pdc_result), 0);
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memcpy(btlb, pdc_result, sizeof(*btlb));
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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if(retval < 0) {
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btlb->max_size = 0;
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@ -572,13 +590,14 @@ int pdc_mem_map_hpa(struct pdc_memory_map *address,
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struct pdc_module_path *mod_path)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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memcpy(pdc_result2, mod_path, sizeof(*mod_path));
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retval = mem_pdc_call(PDC_MEM_MAP, PDC_MEM_MAP_HPA, __pa(pdc_result),
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__pa(pdc_result2));
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memcpy(address, pdc_result, sizeof(*address));
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -594,8 +613,9 @@ int pdc_mem_map_hpa(struct pdc_memory_map *address,
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int pdc_lan_station_id(char *lan_addr, unsigned long hpa)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_LAN_STATION_ID, PDC_LAN_STATION_ID_READ,
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__pa(pdc_result), hpa);
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if (retval < 0) {
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@ -604,7 +624,7 @@ int pdc_lan_station_id(char *lan_addr, unsigned long hpa)
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} else {
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memcpy(lan_addr, pdc_result, PDC_LAN_STATION_ID_SIZE);
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}
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -623,13 +643,14 @@ EXPORT_SYMBOL(pdc_lan_station_id);
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int pdc_stable_read(unsigned long staddr, void *memaddr, unsigned long count)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_READ, staddr,
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__pa(pdc_result), count);
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convert_to_wide(pdc_result);
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memcpy(memaddr, pdc_result, count);
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -648,13 +669,14 @@ EXPORT_SYMBOL(pdc_stable_read);
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int pdc_stable_write(unsigned long staddr, void *memaddr, unsigned long count)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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memcpy(pdc_result, memaddr, count);
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convert_to_wide(pdc_result);
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retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_WRITE, staddr,
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__pa(pdc_result), count);
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -672,11 +694,12 @@ EXPORT_SYMBOL(pdc_stable_write);
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int pdc_stable_get_size(unsigned long *size)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_RETURN_SIZE, __pa(pdc_result));
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*size = pdc_result[0];
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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@ -691,10 +714,11 @@ EXPORT_SYMBOL(pdc_stable_get_size);
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int pdc_stable_verify_contents(void)
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{
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int retval;
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unsigned long flags;
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spin_lock_irq(&pdc_lock);
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spin_lock_irqsave(&pdc_lock, flags);
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retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_VERIFY_CONTENTS);
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spin_unlock_irq(&pdc_lock);
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spin_unlock_irqrestore(&pdc_lock, flags);
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return retval;
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}
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|
|
@ -709,10 +733,11 @@ EXPORT_SYMBOL(pdc_stable_verify_contents);
|
|||
int pdc_stable_initialize(void)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_STABLE, PDC_STABLE_INITIALIZE);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -735,8 +760,9 @@ EXPORT_SYMBOL(pdc_stable_initialize);
|
|||
int pdc_get_initiator(struct hardware_path *hwpath, struct pdc_initiator *initiator)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
|
||||
/* BCJ-XXXX series boxes. E.G. "9000/785/C3000" */
|
||||
#define IS_SPROCKETS() (strlen(boot_cpu_data.pdc.sys_model_name) == 14 && \
|
||||
|
|
@ -776,7 +802,8 @@ int pdc_get_initiator(struct hardware_path *hwpath, struct pdc_initiator *initia
|
|||
}
|
||||
|
||||
out:
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return (retval >= PDC_OK);
|
||||
}
|
||||
EXPORT_SYMBOL(pdc_get_initiator);
|
||||
|
|
@ -794,13 +821,14 @@ EXPORT_SYMBOL(pdc_get_initiator);
|
|||
int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_GET_INT_TBL_SIZE,
|
||||
__pa(pdc_result), hpa);
|
||||
convert_to_wide(pdc_result);
|
||||
*num_entries = pdc_result[0];
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -817,14 +845,15 @@ int pdc_pci_irt_size(unsigned long *num_entries, unsigned long hpa)
|
|||
int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
BUG_ON((unsigned long)tbl & 0x7);
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
pdc_result[0] = num_entries;
|
||||
retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_GET_INT_TBL,
|
||||
__pa(pdc_result), hpa, __pa(tbl));
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -842,12 +871,15 @@ int pdc_pci_irt(unsigned long num_entries, unsigned long hpa, void *tbl)
|
|||
unsigned int pdc_pci_config_read(void *hpa, unsigned long cfg_addr)
|
||||
{
|
||||
int retval;
|
||||
spin_lock_irq(&pdc_lock);
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
pdc_result[0] = 0;
|
||||
pdc_result[1] = 0;
|
||||
retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_READ_CONFIG,
|
||||
__pa(pdc_result), hpa, cfg_addr&~3UL, 4UL);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval ? ~0 : (unsigned int) pdc_result[0];
|
||||
}
|
||||
|
||||
|
|
@ -863,12 +895,15 @@ unsigned int pdc_pci_config_read(void *hpa, unsigned long cfg_addr)
|
|||
void pdc_pci_config_write(void *hpa, unsigned long cfg_addr, unsigned int val)
|
||||
{
|
||||
int retval;
|
||||
spin_lock_irq(&pdc_lock);
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
pdc_result[0] = 0;
|
||||
retval = mem_pdc_call(PDC_PCI_INDEX, PDC_PCI_WRITE_CONFIG,
|
||||
__pa(pdc_result), hpa,
|
||||
cfg_addr&~3UL, 4UL, (unsigned long) val);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
#endif /* UNTESTED CODE */
|
||||
|
|
@ -882,12 +917,13 @@ void pdc_pci_config_write(void *hpa, unsigned long cfg_addr, unsigned int val)
|
|||
int pdc_tod_read(struct pdc_tod *tod)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_TOD, PDC_TOD_READ, __pa(pdc_result), 0);
|
||||
convert_to_wide(pdc_result);
|
||||
memcpy(tod, pdc_result, sizeof(*tod));
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -903,10 +939,11 @@ EXPORT_SYMBOL(pdc_tod_read);
|
|||
int pdc_tod_set(unsigned long sec, unsigned long usec)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_TOD, PDC_TOD_WRITE, sec, usec);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -917,13 +954,14 @@ int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
|
|||
struct pdc_memory_table *tbl, unsigned long entries)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_MEM, PDC_MEM_TABLE, __pa(pdc_result), __pa(pdc_result2), entries);
|
||||
convert_to_wide(pdc_result);
|
||||
memcpy(r_addr, pdc_result, sizeof(*r_addr));
|
||||
memcpy(tbl, pdc_result2, entries * sizeof(*tbl));
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -936,11 +974,12 @@ int pdc_mem_mem_table(struct pdc_memory_table_raddr *r_addr,
|
|||
int pdc_do_firm_test_reset(unsigned long ftc_bitmap)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_BROADCAST_RESET, PDC_DO_FIRM_TEST_RESET,
|
||||
PDC_FIRM_TEST_MAGIC, ftc_bitmap);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -953,10 +992,11 @@ int pdc_do_firm_test_reset(unsigned long ftc_bitmap)
|
|||
int pdc_do_reset(void)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_BROADCAST_RESET, PDC_DO_RESET);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -970,16 +1010,17 @@ int pdc_do_reset(void)
|
|||
int __init pdc_soft_power_info(unsigned long *power_reg)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
*power_reg = (unsigned long) (-1);
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_SOFT_POWER, PDC_SOFT_POWER_INFO, __pa(pdc_result), 0);
|
||||
if (retval == PDC_OK) {
|
||||
convert_to_wide(pdc_result);
|
||||
*power_reg = f_extend(pdc_result[0]);
|
||||
}
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -998,9 +1039,12 @@ int __init pdc_soft_power_info(unsigned long *power_reg)
|
|||
int pdc_soft_power_button(int sw_control)
|
||||
{
|
||||
int retval;
|
||||
spin_lock_irq(&pdc_lock);
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_SOFT_POWER, PDC_SOFT_POWER_ENABLE, __pa(pdc_result), sw_control);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
||||
|
|
@ -1011,9 +1055,11 @@ int pdc_soft_power_button(int sw_control)
|
|||
*/
|
||||
void pdc_io_reset(void)
|
||||
{
|
||||
spin_lock_irq(&pdc_lock);
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
mem_pdc_call(PDC_IO, PDC_IO_RESET, 0);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -1027,9 +1073,11 @@ void pdc_io_reset(void)
|
|||
*/
|
||||
void pdc_io_reset_devices(void)
|
||||
{
|
||||
spin_lock_irq(&pdc_lock);
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
mem_pdc_call(PDC_IO, PDC_IO_RESET_DEVICES, 0);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1146,10 +1194,11 @@ int pdc_sti_call(unsigned long func, unsigned long flags,
|
|||
unsigned long glob_cfg)
|
||||
{
|
||||
int retval;
|
||||
unsigned long irqflags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, irqflags);
|
||||
retval = real32_call(func, flags, inptr, outputr, glob_cfg);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, irqflags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1166,11 +1215,12 @@ EXPORT_SYMBOL(pdc_sti_call);
|
|||
int pdc_pat_cell_get_number(struct pdc_pat_cell_num *cell_info)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_CELL, PDC_PAT_CELL_GET_NUMBER, __pa(pdc_result));
|
||||
memcpy(cell_info, pdc_result, sizeof(*cell_info));
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1190,16 +1240,17 @@ int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc, unsigned long
|
|||
unsigned long view_type, void *mem_addr)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
static struct pdc_pat_cell_mod_maddr_block result __attribute__ ((aligned (8)));
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_CELL, PDC_PAT_CELL_MODULE, __pa(pdc_result),
|
||||
ploc, mod, view_type, __pa(&result));
|
||||
if(!retval) {
|
||||
*actcnt = pdc_result[0];
|
||||
memcpy(mem_addr, &result, *actcnt);
|
||||
}
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1214,12 +1265,13 @@ int pdc_pat_cell_module(unsigned long *actcnt, unsigned long ploc, unsigned long
|
|||
int pdc_pat_cpu_get_number(struct pdc_pat_cpu_num *cpu_info, void *hpa)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_CPU, PDC_PAT_CPU_GET_NUMBER,
|
||||
__pa(&pdc_result), hpa);
|
||||
memcpy(cpu_info, pdc_result, sizeof(*cpu_info));
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1235,12 +1287,13 @@ int pdc_pat_cpu_get_number(struct pdc_pat_cpu_num *cpu_info, void *hpa)
|
|||
int pdc_pat_get_irt_size(unsigned long *num_entries, unsigned long cell_num)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_GET_PCI_ROUTING_TABLE_SIZE,
|
||||
__pa(pdc_result), cell_num);
|
||||
*num_entries = pdc_result[0];
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1255,11 +1308,12 @@ int pdc_pat_get_irt_size(unsigned long *num_entries, unsigned long cell_num)
|
|||
int pdc_pat_get_irt(void *r_addr, unsigned long cell_num)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_GET_PCI_ROUTING_TABLE,
|
||||
__pa(r_addr), cell_num);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1276,13 +1330,14 @@ int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr,
|
|||
unsigned long count, unsigned long offset)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_PD, PDC_PAT_PD_GET_ADDR_MAP, __pa(pdc_result),
|
||||
__pa(pdc_result2), count, offset);
|
||||
*actual_len = pdc_result[0];
|
||||
memcpy(mem_addr, pdc_result2, *actual_len);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1297,7 +1352,9 @@ int pdc_pat_pd_get_addr_map(unsigned long *actual_len, void *mem_addr,
|
|||
int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *mem_addr)
|
||||
{
|
||||
int retval;
|
||||
spin_lock_irq(&pdc_lock);
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_PCI_CONFIG_READ,
|
||||
__pa(pdc_result), pci_addr, pci_size);
|
||||
switch(pci_size) {
|
||||
|
|
@ -1305,7 +1362,7 @@ int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *mem_addr)
|
|||
case 2: *(u16 *)mem_addr = (u16) pdc_result[0];
|
||||
case 4: *(u32 *)mem_addr = (u32) pdc_result[0];
|
||||
}
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
@ -1321,11 +1378,12 @@ int pdc_pat_io_pci_cfg_read(unsigned long pci_addr, int pci_size, u32 *mem_addr)
|
|||
int pdc_pat_io_pci_cfg_write(unsigned long pci_addr, int pci_size, u32 val)
|
||||
{
|
||||
int retval;
|
||||
unsigned long flags;
|
||||
|
||||
spin_lock_irq(&pdc_lock);
|
||||
spin_lock_irqsave(&pdc_lock, flags);
|
||||
retval = mem_pdc_call(PDC_PAT_IO, PDC_PAT_IO_PCI_CONFIG_WRITE,
|
||||
pci_addr, pci_size, val);
|
||||
spin_unlock_irq(&pdc_lock);
|
||||
spin_unlock_irqrestore(&pdc_lock, flags);
|
||||
|
||||
return retval;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -319,13 +319,15 @@ void __init time_init(void)
|
|||
|
||||
start_cpu_itimer(); /* get CPU 0 started */
|
||||
|
||||
if(pdc_tod_read(&tod_data) == 0) {
|
||||
write_seqlock_irq(&xtime_lock);
|
||||
if (pdc_tod_read(&tod_data) == 0) {
|
||||
unsigned long flags;
|
||||
|
||||
write_seqlock_irqsave(&xtime_lock, flags);
|
||||
xtime.tv_sec = tod_data.tod_sec;
|
||||
xtime.tv_nsec = tod_data.tod_usec * 1000;
|
||||
set_normalized_timespec(&wall_to_monotonic,
|
||||
-xtime.tv_sec, -xtime.tv_nsec);
|
||||
write_sequnlock_irq(&xtime_lock);
|
||||
write_sequnlock_irqrestore(&xtime_lock, flags);
|
||||
} else {
|
||||
printk(KERN_ERR "Error reading tod clock\n");
|
||||
xtime.tv_sec = 0;
|
||||
|
|
|
|||
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Reference in New Issue