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ac422c9788
Changelog: https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.132 Removed upstreamed: bcm53xx/patches-5.15/037-v6.6-0006-ARM-dts-BCM53573-Add-cells-sizes-to-PCIe-node.patch[1] bcm53xx/patches-5.15/037-v6.6-0007-ARM-dts-BCM53573-Use-updated-spi-gpio-binding-proper.patch[2] bcm53xx/patches-5.15/037-v6.6-0008-ARM-dts-BCM5301X-Extend-RAM-to-full-256MB-for-Linksy.patch[3] All other patches automatically rebased. 1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=b35f3ca1877e024887df205ede952863d65dad36 2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=2840d9b9c8750be270fb1153ccd5b983cbb5d592 3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.132&id=f086e859ddc252c32f0438edff241859c0f022ce Build system: x86_64 Build-tested: ramips/tplink_archer-a6-v3 Run-tested: ramips/tplink_archer-a6-v3 Signed-off-by: John Audia <therealgraysky@proton.me>
125 lines
3.3 KiB
Diff
125 lines
3.3 KiB
Diff
From: Lorenzo Bianconi <lorenzo@kernel.org>
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Date: Sat, 14 Jan 2023 18:01:32 +0100
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Subject: [PATCH] net: ethernet: mtk_wed: add reset/reset_complete callbacks
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Introduce reset and reset_complete wlan callback to schedule WLAN driver
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reset when ethernet/wed driver is resetting.
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Tested-by: Daniel Golle <daniel@makrotopia.org>
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Co-developed-by: Sujuan Chen <sujuan.chen@mediatek.com>
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Signed-off-by: Sujuan Chen <sujuan.chen@mediatek.com>
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Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
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Signed-off-by: Paolo Abeni <pabeni@redhat.com>
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---
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--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
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@@ -3632,6 +3632,11 @@ static void mtk_pending_work(struct work
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set_bit(MTK_RESETTING, ð->state);
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mtk_prepare_for_reset(eth);
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+ mtk_wed_fe_reset();
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+ /* Run again reset preliminary configuration in order to avoid any
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+ * possible race during FE reset since it can run releasing RTNL lock.
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+ */
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+ mtk_prepare_for_reset(eth);
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/* stop all devices to make sure that dma is properly shut down */
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for (i = 0; i < MTK_MAC_COUNT; i++) {
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@@ -3669,6 +3674,8 @@ static void mtk_pending_work(struct work
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clear_bit(MTK_RESETTING, ð->state);
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+ mtk_wed_fe_reset_complete();
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+
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rtnl_unlock();
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}
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--- a/drivers/net/ethernet/mediatek/mtk_wed.c
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+++ b/drivers/net/ethernet/mediatek/mtk_wed.c
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@@ -205,6 +205,48 @@ mtk_wed_wo_reset(struct mtk_wed_device *
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iounmap(reg);
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}
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+void mtk_wed_fe_reset(void)
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+{
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+ int i;
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+
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+ mutex_lock(&hw_lock);
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+
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+ for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
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+ struct mtk_wed_hw *hw = hw_list[i];
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+ struct mtk_wed_device *dev = hw->wed_dev;
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+ int err;
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+
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+ if (!dev || !dev->wlan.reset)
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+ continue;
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+
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+ /* reset callback blocks until WLAN reset is completed */
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+ err = dev->wlan.reset(dev);
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+ if (err)
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+ dev_err(dev->dev, "wlan reset failed: %d\n", err);
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+ }
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+
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+ mutex_unlock(&hw_lock);
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+}
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+
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+void mtk_wed_fe_reset_complete(void)
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+{
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+ int i;
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+
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+ mutex_lock(&hw_lock);
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+
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+ for (i = 0; i < ARRAY_SIZE(hw_list); i++) {
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+ struct mtk_wed_hw *hw = hw_list[i];
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+ struct mtk_wed_device *dev = hw->wed_dev;
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+
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+ if (!dev || !dev->wlan.reset_complete)
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+ continue;
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+
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+ dev->wlan.reset_complete(dev);
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+ }
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+
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+ mutex_unlock(&hw_lock);
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+}
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+
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static struct mtk_wed_hw *
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mtk_wed_assign(struct mtk_wed_device *dev)
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{
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--- a/drivers/net/ethernet/mediatek/mtk_wed.h
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+++ b/drivers/net/ethernet/mediatek/mtk_wed.h
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@@ -128,6 +128,8 @@ void mtk_wed_add_hw(struct device_node *
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void mtk_wed_exit(void);
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int mtk_wed_flow_add(int index);
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void mtk_wed_flow_remove(int index);
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+void mtk_wed_fe_reset(void);
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+void mtk_wed_fe_reset_complete(void);
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#else
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static inline void
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mtk_wed_add_hw(struct device_node *np, struct mtk_eth *eth,
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@@ -147,6 +149,13 @@ static inline void mtk_wed_flow_remove(i
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{
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}
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+static inline void mtk_wed_fe_reset(void)
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+{
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+}
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+
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+static inline void mtk_wed_fe_reset_complete(void)
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+{
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+}
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#endif
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#ifdef CONFIG_DEBUG_FS
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--- a/include/linux/soc/mediatek/mtk_wed.h
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+++ b/include/linux/soc/mediatek/mtk_wed.h
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@@ -151,6 +151,8 @@ struct mtk_wed_device {
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void (*release_rx_buf)(struct mtk_wed_device *wed);
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void (*update_wo_rx_stats)(struct mtk_wed_device *wed,
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struct mtk_wed_wo_rx_stats *stats);
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+ int (*reset)(struct mtk_wed_device *wed);
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+ void (*reset_complete)(struct mtk_wed_device *wed);
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} wlan;
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#endif
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};
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