diff options
| author | Amitkumar Karwar <amit.karwar@redpinesignals.com> | 2018-04-10 18:04:11 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-04-24 20:25:01 +0300 |
| commit | 16d3bb7b2f37b917b3c55e83d230a199f5c51864 (patch) | |
| tree | 6d7cf605d3f132922ffde8881e088040c133ec9b | |
| parent | 350fcdb834576162ab55519ed86572c00ea786a7 (diff) | |
| download | linux-16d3bb7b2f37b917b3c55e83d230a199f5c51864.tar.xz | |
rsi: disable fw watchdog timer during reset
Firmware's watchdog timer should be disabled as a part of reset
sequence. This change fixes a firmware hang issue observed during
stress tests.
Signed-off-by: Amitkumar Karwar <amit.karwar@redpinesignals.com>
Signed-off-by: Siva Rebbagondla <siva.rebbagondla@redpinesignals.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_91x_usb.c | 7 | ||||
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_hal.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/rsi/rsi_usb.h | 1 |
3 files changed, 9 insertions, 0 deletions
diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index 7b8bae313aa9..b065438f51b2 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -687,6 +687,13 @@ static int rsi_reset_card(struct rsi_hw *adapter) */ msleep(100); + if (rsi_usb_master_reg_write(adapter, SWBL_REGOUT, + RSI_FW_WDT_DISABLE_REQ, + RSI_COMMON_REG_SIZE) < 0) { + rsi_dbg(ERR_ZONE, "Disabling firmware watchdog timer failed\n"); + goto fail; + } + ret = usb_ulp_read_write(adapter, RSI_WATCH_DOG_TIMER_1, RSI_ULP_WRITE_2, 32); if (ret < 0) diff --git a/drivers/net/wireless/rsi/rsi_hal.h b/drivers/net/wireless/rsi/rsi_hal.h index d6c2baa56e9f..327638cdd30b 100644 --- a/drivers/net/wireless/rsi/rsi_hal.h +++ b/drivers/net/wireless/rsi/rsi_hal.h @@ -115,6 +115,7 @@ #define FW_FLASH_OFFSET 0x820 #define LMAC_VER_OFFSET (FW_FLASH_OFFSET + 0x200) #define MAX_DWORD_ALIGN_BYTES 64 +#define RSI_COMMON_REG_SIZE 2 struct bl_header { __le32 flags; diff --git a/drivers/net/wireless/rsi/rsi_usb.h b/drivers/net/wireless/rsi/rsi_usb.h index a88d59295a98..b6fe79f0a513 100644 --- a/drivers/net/wireless/rsi/rsi_usb.h +++ b/drivers/net/wireless/rsi/rsi_usb.h @@ -26,6 +26,7 @@ #define RSI_USB_READY_MAGIC_NUM 0xab #define FW_STATUS_REG 0x41050012 #define RSI_TA_HOLD_REG 0x22000844 +#define RSI_FW_WDT_DISABLE_REQ 0x69 #define USB_VENDOR_REGISTER_READ 0x15 #define USB_VENDOR_REGISTER_WRITE 0x16 |