diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-05-20 10:17:28 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-05-30 12:35:58 +0300 |
| commit | 768992eb92ec7664f14616ea0dcf8ca8ece6cf9a (patch) | |
| tree | 151aff62e6ce84fae3f81c5df4003ce3d1550292 /drivers/net/wireless/realtek | |
| parent | 6d7d1fef3f18e395b0b38f85b85b74fe98584f88 (diff) | |
| download | linux-768992eb92ec7664f14616ea0dcf8ca8ece6cf9a.tar.xz | |
rtw89: pci: handle hardware watchdog timeout interrupt status
This watchdog timeout status bit indicates hardware gets wrong, so run SER
L2 flow that calls mac80211 to restart hardware.
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220520071731.38563-4-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.c | 9 | ||||
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/pci.h | 1 |
3 files changed, 8 insertions, 3 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac.h b/drivers/net/wireless/realtek/rtw89/mac.h index 9f511c8d8a37..f66619354734 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.h +++ b/drivers/net/wireless/realtek/rtw89/mac.h @@ -666,6 +666,7 @@ enum mac_ax_err_info { MAC_AX_ERR_L2_ERR_APB_BBRF_TO_RX4281 = 0x2360, MAC_AX_ERR_L2_ERR_APB_BBRF_TO_OTHERS = 0x2370, MAC_AX_ERR_L2_RESET_DONE = 0x2400, + MAC_AX_ERR_L2_ERR_WDT_TIMEOUT_INT = 0x2599, MAC_AX_ERR_CPU_EXCEPTION = 0x3000, MAC_AX_ERR_ASSERTION = 0x4000, MAC_AX_GET_ERR_MAX, diff --git a/drivers/net/wireless/realtek/rtw89/pci.c b/drivers/net/wireless/realtek/rtw89/pci.c index 0ef7821b2e0f..25872dfb4da1 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.c +++ b/drivers/net/wireless/realtek/rtw89/pci.c @@ -738,6 +738,9 @@ static irqreturn_t rtw89_pci_interrupt_threadfn(int irq, void *dev) if (unlikely(isrs.halt_c2h_isrs & B_AX_HALT_C2H_INT_EN)) rtw89_ser_notify(rtwdev, rtw89_mac_get_err_status(rtwdev)); + if (unlikely(isrs.halt_c2h_isrs & B_AX_WDT_TIMEOUT_INT_EN)) + rtw89_ser_notify(rtwdev, MAC_AX_ERR_L2_ERR_WDT_TIMEOUT_INT); + if (unlikely(rtwpci->under_recovery)) goto enable_intr; @@ -3126,7 +3129,7 @@ static void rtw89_pci_recovery_intr_mask_v1(struct rtw89_dev *rtwdev) struct rtw89_pci *rtwpci = (struct rtw89_pci *)rtwdev->priv; rtwpci->ind_intrs = B_AX_HS0ISR_IND_INT_EN; - rtwpci->halt_c2h_intrs = B_AX_HALT_C2H_INT_EN; + rtwpci->halt_c2h_intrs = B_AX_HALT_C2H_INT_EN | B_AX_WDT_TIMEOUT_INT_EN; rtwpci->intrs[0] = 0; rtwpci->intrs[1] = 0; } @@ -3138,7 +3141,7 @@ static void rtw89_pci_default_intr_mask_v1(struct rtw89_dev *rtwdev) rtwpci->ind_intrs = B_AX_HCI_AXIDMA_INT_EN | B_AX_HS1ISR_IND_INT_EN | B_AX_HS0ISR_IND_INT_EN; - rtwpci->halt_c2h_intrs = B_AX_HALT_C2H_INT_EN; + rtwpci->halt_c2h_intrs = B_AX_HALT_C2H_INT_EN | B_AX_WDT_TIMEOUT_INT_EN; rtwpci->intrs[0] = B_AX_TXDMA_STUCK_INT_EN | B_AX_RXDMA_INT_EN | B_AX_RXP1DMA_INT_EN | @@ -3155,7 +3158,7 @@ static void rtw89_pci_low_power_intr_mask_v1(struct rtw89_dev *rtwdev) rtwpci->ind_intrs = B_AX_HS1ISR_IND_INT_EN | B_AX_HS0ISR_IND_INT_EN; - rtwpci->halt_c2h_intrs = B_AX_HALT_C2H_INT_EN; + rtwpci->halt_c2h_intrs = B_AX_HALT_C2H_INT_EN | B_AX_WDT_TIMEOUT_INT_EN; rtwpci->intrs[0] = 0; rtwpci->intrs[1] = B_AX_GPIO18_INT_EN; } diff --git a/drivers/net/wireless/realtek/rtw89/pci.h b/drivers/net/wireless/realtek/rtw89/pci.h index bb585ed19190..a118647213e3 100644 --- a/drivers/net/wireless/realtek/rtw89/pci.h +++ b/drivers/net/wireless/realtek/rtw89/pci.h @@ -94,6 +94,7 @@ /* Interrupts */ #define R_AX_HIMR0 0x01A0 +#define B_AX_WDT_TIMEOUT_INT_EN BIT(22) #define B_AX_HALT_C2H_INT_EN BIT(21) #define R_AX_HISR0 0x01A4 |