openwrt/target/linux/generic/backport-5.15/729-22-v6.3-net-ethernet-mtk_wed-add-reset-reset_complete-callba.patch
Hauke Mehrtens 8f8d5decc9 kernel: bump 5.15 to 5.15.153
Removed because they are upstream:
generic/backport-5.15/704-15-v5.19-net-mtk_eth_soc-move-MAC_MCR-setting-to-mac_finish.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=c5c0760adc260d55265c086b9efb350ea6dda38b

generic/pending-5.15/735-net-mediatek-mtk_eth_soc-release-MAC_MCR_FORCE_LINK-.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=448cc8b5f743985f6d1d98aa4efb386fef4c3bf2

generic/pending-5.15/736-net-ethernet-mtk_eth_soc-fix-PPE-hanging-issue.patch
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=linux-5.15.y&id=9fcadd125044007351905d40c405fadc2d3bb6d6

Add new configuration symbols for tegra target.

Tested-by: Stijn Segers <foss@volatilesystems.org>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
(cherry picked from commit fb2c6e9d4d)
2024-04-01 02:33:05 +02:00

125 lines
3.3 KiB
Diff

From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Sat, 14 Jan 2023 18:01:32 +0100
Subject: [PATCH] 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>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3631,6 +3631,11 @@ static void mtk_pending_work(struct work
set_bit(MTK_RESETTING, &eth->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++) {
@@ -3668,6 +3673,8 @@ static void mtk_pending_work(struct work
clear_bit(MTK_RESETTING, &eth->state);
+ mtk_wed_fe_reset_complete();
+
rtnl_unlock();
}
--- a/drivers/net/ethernet/mediatek/mtk_wed.c
+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
@@ -205,6 +205,48 @@ mtk_wed_wo_reset(struct mtk_wed_device *
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)
{
--- 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 *
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(i
{
}
+static inline void mtk_wed_fe_reset(void)
+{
+}
+
+static inline void mtk_wed_fe_reset_complete(void)
+{
+}
#endif
#ifdef CONFIG_DEBUG_FS
--- a/include/linux/soc/mediatek/mtk_wed.h
+++ b/include/linux/soc/mediatek/mtk_wed.h
@@ -151,6 +151,8 @@ struct mtk_wed_device {
void (*release_rx_buf)(struct mtk_wed_device *wed);
void (*update_wo_rx_stats)(struct mtk_wed_device *wed,
struct mtk_wed_wo_rx_stats *stats);
+ int (*reset)(struct mtk_wed_device *wed);
+ void (*reset_complete)(struct mtk_wed_device *wed);
} wlan;
#endif
};