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ath10k: make sure to mask all CE irqs 

CE error interrupts were not disabled. This could
lead to invalid memory accesses / memory
corruption.

Also make sure CE watermark interrupts are also
disabled.

Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This commit is contained in:
Michal Kazior 2013-11-08 08:01:27 +01:00 committed by Kalle Valo
parent d7fb47f52e
commit 93e0daa0ee
1 changed files with 12 additions and 0 deletions
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12
drivers/net/wireless/ath/ath10k/ce.c
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@ -243,6 +243,16 @@ static inline void ath10k_ce_error_intr_enable(struct ath10k *ar,
misc_ie_addr | CE_ERROR_MASK); misc_ie_addr | CE_ERROR_MASK);
} }
static inline void ath10k_ce_error_intr_disable(struct ath10k *ar,
u32 ce_ctrl_addr)
{
u32 misc_ie_addr = ath10k_pci_read32(ar,
ce_ctrl_addr + MISC_IE_ADDRESS);
ath10k_pci_write32(ar, ce_ctrl_addr + MISC_IE_ADDRESS,
misc_ie_addr & ~CE_ERROR_MASK);
}
static inline void ath10k_ce_engine_int_status_clear(struct ath10k *ar, static inline void ath10k_ce_engine_int_status_clear(struct ath10k *ar,
u32 ce_ctrl_addr, u32 ce_ctrl_addr,
unsigned int mask) unsigned int mask)
@ -794,6 +804,8 @@ void ath10k_ce_disable_interrupts(struct ath10k *ar)
u32 ctrl_addr = ath10k_ce_base_address(ce_id); u32 ctrl_addr = ath10k_ce_base_address(ce_id);
ath10k_ce_copy_complete_intr_disable(ar, ctrl_addr); ath10k_ce_copy_complete_intr_disable(ar, ctrl_addr);
ath10k_ce_error_intr_disable(ar, ctrl_addr);
ath10k_ce_watermark_intr_disable(ar, ctrl_addr);
} }
ath10k_pci_sleep(ar); ath10k_pci_sleep(ar);
} }