diff options
| author | Ramon Fried <rfried@codeaurora.org> | 2018-03-11 15:01:43 +0300 |
|---|---|---|
| committer | Kalle Valo <kvalo@codeaurora.org> | 2018-03-26 18:27:27 +0300 |
| commit | 6767b302e1c961f0775abaa068495aa137331191 (patch) | |
| tree | 594cfc0ac528142f9606ce488657ac8ad4656cfd /drivers/net/wireless/ath/wcn36xx/dxe.c | |
| parent | e5d04670904ffe21591573e1aa76a0158f939241 (diff) | |
| download | linux-6767b302e1c961f0775abaa068495aa137331191.tar.xz | |
wcn36xx: Check DXE IRQ reason
IRQ reason was not cheked for errors.
Although error handing is not currently supported, it
will be nice to output an error value to the log if the
DMA operation failed.
Signed-off-by: Ramon Fried <rfried@codeaurora.org>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Diffstat (limited to 'drivers/net/wireless/ath/wcn36xx/dxe.c')
| -rw-r--r-- | drivers/net/wireless/ath/wcn36xx/dxe.c | 50 |
1 files changed, 43 insertions, 7 deletions
diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 8e4d6d9ea277..7d5ecaf02288 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -415,14 +415,31 @@ static irqreturn_t wcn36xx_irq_tx_complete(int irq, void *dev) WCN36XX_DXE_CH_STATUS_REG_ADDR_TX_H, &int_reason); - /* TODO: Check int_reason */ - wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_0_INT_CLR, WCN36XX_INT_MASK_CHAN_TX_H); - wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_0_INT_ED_CLR, - WCN36XX_INT_MASK_CHAN_TX_H); + if (int_reason & WCN36XX_CH_STAT_INT_ERR_MASK ) { + wcn36xx_dxe_write_register(wcn, + WCN36XX_DXE_0_INT_ERR_CLR, + WCN36XX_INT_MASK_CHAN_TX_H); + + wcn36xx_err("DXE IRQ reported error: 0x%x in high TX channel\n", + int_src); + } + + if (int_reason & WCN36XX_CH_STAT_INT_DONE_MASK) { + wcn36xx_dxe_write_register(wcn, + WCN36XX_DXE_0_INT_DONE_CLR, + WCN36XX_INT_MASK_CHAN_TX_H); + } + + if (int_reason & WCN36XX_CH_STAT_INT_ED_MASK) { + wcn36xx_dxe_write_register(wcn, + WCN36XX_DXE_0_INT_ED_CLR, + WCN36XX_INT_MASK_CHAN_TX_H); + } + wcn36xx_dbg(WCN36XX_DBG_DXE, "dxe tx ready high\n"); reap_tx_dxes(wcn, &wcn->dxe_tx_h_ch); } @@ -431,14 +448,33 @@ static irqreturn_t wcn36xx_irq_tx_complete(int irq, void *dev) wcn36xx_dxe_read_register(wcn, WCN36XX_DXE_CH_STATUS_REG_ADDR_TX_L, &int_reason); - /* TODO: Check int_reason */ wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_0_INT_CLR, WCN36XX_INT_MASK_CHAN_TX_L); - wcn36xx_dxe_write_register(wcn, WCN36XX_DXE_0_INT_ED_CLR, - WCN36XX_INT_MASK_CHAN_TX_L); + + if (int_reason & WCN36XX_CH_STAT_INT_ERR_MASK ) { + wcn36xx_dxe_write_register(wcn, + WCN36XX_DXE_0_INT_ERR_CLR, + WCN36XX_INT_MASK_CHAN_TX_L); + + wcn36xx_err("DXE IRQ reported error: 0x%x in low TX channel\n", + int_src); + } + + if (int_reason & WCN36XX_CH_STAT_INT_DONE_MASK) { + wcn36xx_dxe_write_register(wcn, + WCN36XX_DXE_0_INT_DONE_CLR, + WCN36XX_INT_MASK_CHAN_TX_L); + } + + if (int_reason & WCN36XX_CH_STAT_INT_ED_MASK) { + wcn36xx_dxe_write_register(wcn, + WCN36XX_DXE_0_INT_ED_CLR, + WCN36XX_INT_MASK_CHAN_TX_L); + } + wcn36xx_dbg(WCN36XX_DBG_DXE, "dxe tx ready low\n"); reap_tx_dxes(wcn, &wcn->dxe_tx_l_ch); } |