mirror of https://gitee.com/openkylin/linux.git
[SCSI] mpt2sas: User resource_size_t instead of unsigned long
Use resource_size_t to define the type resource for the system interface register set. The existing implementation was using "unsigned long" which would be 32 bit in 32 bit OS. If 32 bit OS is using 64 bit physical address space for the system interface register set, we need to shift to using resource_size_t which takes care of physical address space. Signed-off-by: Kashyap Desai <kashyap.desai@lsi.com> Reviewed-by: Eric Moore <eric.moore@lsi.com> Signed-off-by: James Bottomley <James.Bottomley@suse.de>
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@ -1222,6 +1222,8 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
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u32 memap_sz;
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u32 pio_sz;
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int i, r = 0;
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u64 pio_chip = 0;
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u64 chip_phys = 0;
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dinitprintk(ioc, printk(MPT2SAS_DEBUG_FMT "%s\n",
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ioc->name, __func__));
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@ -1255,12 +1257,13 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
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if (pci_resource_flags(pdev, i) & PCI_BASE_ADDRESS_SPACE_IO) {
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if (pio_sz)
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continue;
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ioc->pio_chip = pci_resource_start(pdev, i);
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pio_chip = (u64)pci_resource_start(pdev, i);
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pio_sz = pci_resource_len(pdev, i);
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} else {
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if (memap_sz)
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continue;
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ioc->chip_phys = pci_resource_start(pdev, i);
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chip_phys = (u64)ioc->chip_phys;
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memap_sz = pci_resource_len(pdev, i);
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ioc->chip = ioremap(ioc->chip_phys, memap_sz);
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if (ioc->chip == NULL) {
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@ -1280,10 +1283,10 @@ mpt2sas_base_map_resources(struct MPT2SAS_ADAPTER *ioc)
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printk(MPT2SAS_INFO_FMT "%s: IRQ %d\n",
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ioc->name, ((ioc->msix_enable) ? "PCI-MSI-X enabled" :
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"IO-APIC enabled"), ioc->pci_irq);
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printk(MPT2SAS_INFO_FMT "iomem(0x%lx), mapped(0x%p), size(%d)\n",
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ioc->name, ioc->chip_phys, ioc->chip, memap_sz);
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printk(MPT2SAS_INFO_FMT "ioport(0x%lx), size(%d)\n",
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ioc->name, ioc->pio_chip, pio_sz);
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printk(MPT2SAS_INFO_FMT "iomem(0x%016llx), mapped(0x%p), size(%d)\n",
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ioc->name, (unsigned long long)chip_phys, ioc->chip, memap_sz);
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printk(MPT2SAS_INFO_FMT "ioport(0x%016llx), size(%d)\n",
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ioc->name, (unsigned long long)pio_chip, pio_sz);
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return 0;
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@ -464,7 +464,6 @@ typedef void (*MPT_ADD_SGE)(void *paddr, u32 flags_length, dma_addr_t dma_addr);
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* @pdev: pci pdev object
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* @chip: memory mapped register space
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* @chip_phys: physical addrss prior to mapping
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* @pio_chip: I/O mapped register space
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* @logging_level: see mpt2sas_debug.h
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* @fwfault_debug: debuging FW timeouts
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* @ir_firmware: IR firmware present
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@ -587,8 +586,7 @@ struct MPT2SAS_ADAPTER {
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char tmp_string[MPT_STRING_LENGTH];
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struct pci_dev *pdev;
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Mpi2SystemInterfaceRegs_t __iomem *chip;
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unsigned long chip_phys;
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unsigned long pio_chip;
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resource_size_t chip_phys;
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int logging_level;
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int fwfault_debug;
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u8 ir_firmware;
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