diff options
| author | Lorenzo Bianconi <lorenzo@kernel.org> | 2023-01-14 18:01:32 +0100 |
|---|---|---|
| committer | Paolo Abeni <pabeni@redhat.com> | 2023-01-17 11:36:45 +0100 |
| commit | 08a764a7c51b01ccf8594a36b8d24b2d643bc5ed (patch) | |
| tree | 331e02a2f040856434d4bdecf2c01beb2f12c802 /drivers | |
| parent | 93b2591ad0d0c1dee6974ecb4efb016c543894ae (diff) | |
net: ethernet: mtk_wed: add reset/reset_complete callbacks
Introduce reset and reset_complete wlan callback to schedule WLAN driver
reset when ethernet/wed driver is resetting.
Tested-by: Daniel Golle <daniel@makrotopia.org>
Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_eth_soc.c | 7 | ||||
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_wed.c | 42 | ||||
| -rw-r--r-- | drivers/net/ethernet/mediatek/mtk_wed.h | 9 |
3 files changed, 58 insertions, 0 deletions
diff --git a/drivers/net/ethernet/mediatek/mtk_eth_soc.c b/drivers/net/ethernet/mediatek/mtk_eth_soc.c index 5d398595ead0..75bbb1e7766c 100644 --- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c +++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c @@ -3970,6 +3970,11 @@ static void mtk_pending_work(struct work_struct *work) set_bit(MTK_RESETTING, ð->state); mtk_prepare_for_reset(eth); + mtk_wed_fe_reset(); + /* Run again reset preliminary configuration in order to avoid any + * possible race during FE reset since it can run releasing RTNL lock. + */ + mtk_prepare_for_reset(eth); /* stop all devices to make sure that dma is properly shut down */ for (i = 0; i < MTK_MAC_COUNT; i++) { @@ -4007,6 +4012,8 @@ static void mtk_pending_work(struct work_struct *work) clear_bit(MTK_RESETTING, ð->state); + mtk_wed_fe_reset_complete(); + rtnl_unlock(); } diff --git a/drivers/net/ethernet/mediatek/mtk_wed.c b/drivers/net/ethernet/mediatek/mtk_wed.c index a6271449617f..95ac4f71d2b2 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.c +++ b/drivers/net/ethernet/mediatek/mtk_wed.c @@ -206,6 +206,48 @@ mtk_wed_wo_reset(struct mtk_wed_device *dev) iounmap(reg); } +void mtk_wed_fe_reset(void) +{ + int i; + + mutex_lock(&hw_lock); + + for (i = 0; i < ARRAY_SIZE(hw_list); i++) { + struct mtk_wed_hw *hw = hw_list[i]; + struct mtk_wed_device *dev = hw->wed_dev; + int err; + + if (!dev || !dev->wlan.reset) + continue; + + /* reset callback blocks until WLAN reset is completed */ + err = dev->wlan.reset(dev); + if (err) + dev_err(dev->dev, "wlan reset failed: %d\n", err); + } + + mutex_unlock(&hw_lock); +} + +void mtk_wed_fe_reset_complete(void) +{ + int i; + + mutex_lock(&hw_lock); + + for (i = 0; i < ARRAY_SIZE(hw_list); i++) { + struct mtk_wed_hw *hw = hw_list[i]; + struct mtk_wed_device *dev = hw->wed_dev; + + if (!dev || !dev->wlan.reset_complete) + continue; + + dev->wlan.reset_complete(dev); + } + + mutex_unlock(&hw_lock); +} + static struct mtk_wed_hw * mtk_wed_assign(struct mtk_wed_device *dev) { diff --git a/drivers/net/ethernet/mediatek/mtk_wed.h b/drivers/net/ethernet/mediatek/mtk_wed.h index e012b8a82133..43ab77eaf683 100644 --- a/drivers/net/ethernet/mediatek/mtk_wed.h +++ b/drivers/net/ethernet/mediatek/mtk_wed.h @@ -128,6 +128,8 @@ void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, void mtk_wed_exit(void); int mtk_wed_flow_add(int index); void mtk_wed_flow_remove(int index); +void mtk_wed_fe_reset(void); +void mtk_wed_fe_reset_complete(void); #else static inline void mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth, @@ -147,6 +149,13 @@ static inline void mtk_wed_flow_remove(int index) { } +static inline void mtk_wed_fe_reset(void) +{ +} + +static inline void mtk_wed_fe_reset_complete(void) +{ +} #endif #ifdef CONFIG_DEBUG_FS |