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@xxxxxxxxx>
---
drivers/net/wireless/ath/ath10k/ce.c | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index 2b99bd4..7a49cde 100644
--- a/drivers/net/wireless/ath/ath10k/ce.c
+++ b/drivers/net/wireless/ath/ath10k/ce.c
@@ -243,6 +243,16 @@ static inline void ath10k_ce_error_intr_enable(struct ath10k *ar,
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,
u32 ce_ctrl_addr,
unsigned int mask)
@@ -794,6 +804,8 @@ void ath10k_ce_disable_interrupts(struct ath10k *ar)
u32 ctrl_addr = ath10k_ce_base_address(ce_id);
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);
}
--
1.8.4.rc3
--
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