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authorMichal Kazior <michal.kazior@tieto.com>2013-11-08 08:01:27 +0100
committerKalle Valo <kvalo@qca.qualcomm.com>2013-11-12 20:06:45 +0200
commit93e0daa0ee3ef53a45293e60b2eaf770d7bb1d53 (patch)
tree209377a3c8b0fe705ed36b74a045d4406b47da2c /drivers/net/wireless/ath/ath10k/ce.c
parentd7fb47f52ef5538b4eb32856bd8cb580623dd87f (diff)
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>
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/ce.c')
-rw-r--r--drivers/net/wireless/ath/ath10k/ce.c12
1 files changed, 12 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath10k/ce.c b/drivers/net/wireless/ath/ath10k/ce.c
index 2b99bd41dde..7a49cde9c61 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);
}