OpenWRT/target/linux/generic/backport-5.15/729-07-v6.1-net-ethernet-mtk_eth_soc-remove-cpu_relax-in-mtk_pen.patch
John Audia 8590531048 kernel: bump 5.15 to 5.15.123
Manually rebased:
	bcm4908/patches-5.15/071-v6.1-0001-net-broadcom-bcm4908_enet-handle-EPROBE_DEFER-when-g.patch
	bcm53xx/patches-5.15/180-usb-xhci-add-support-for-performing-fake-doorbell.patch
	ipq40xx/patches-5.15/902-dts-ipq4019-ap-dk04.1.patch[*]

Removed upstreamed:
	backport-5.15/735-v6.5-net-bgmac-postpone-turning-IRQs-off-to-avoid-SoC-han.patch[1]
	backport-5.15/817-v6.5-01-leds-trigger-netdev-Recheck-NETDEV_LED_MODE_LINKUP-o.patch[2]
	pending-5.15/143-jffs2-reduce-stack-usage-in-jffs2_build_xattr_subsys.patch[3]
	pending-5.15/160-workqueue-fix-enum-type-for-gcc-13.patch[4]
	bcm53xx/patches-5.15/036-v6.5-0003-ARM-dts-BCM5301X-Drop-clock-names-from-the-SPI-node.patch[5]
	bcm53xx/patches-5.15/036-v6.5-0015-ARM-dts-BCM5301X-fix-duplex-full-full-duplex.patch[6]

All other patches automatically rebased.

1. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=02474292a44205c1eb5a03634ead155a3c9134f4
2. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=86b93cbfe104e99fd3d25a49748b99fb88101573
3. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=79b9ab357b6f5675007f4c02ff8765cbd8dc06a2
4. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=d528faa9e828b9fc46dfb684a2a9fd8c2e860ed8
5. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=5899bc4058e89d5110a23797ff94439c53b77c25
6. https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.15.123&id=95afd2c7c7d26087730dc938709e025a303e5499

Build system: x86/64
Build-tested: ramips/tplink_archer-a6-v3
Run-tested: ramips/tplink_archer-a6-v3

Co-authored-by: Hauke Mehrtens <hauke@hauke-m.de>
Signed-off-by: John Audia <therealgraysky@proton.me>
[rebased ipq40xx/patches-5.15/902-dts-ipq4019-ap-dk04.1.patch ]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
2023-07-30 18:02:47 +02:00

37 lines
1.2 KiB
Diff

From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Thu, 17 Nov 2022 00:58:46 +0100
Subject: [PATCH] net: ethernet: mtk_eth_soc: remove cpu_relax in
mtk_pending_work
Get rid of cpu_relax in mtk_pending_work routine since MTK_RESETTING is
set only in mtk_pending_work() and it runs holding rtnl lock
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
--- a/drivers/net/ethernet/mediatek/mtk_eth_soc.c
+++ b/drivers/net/ethernet/mediatek/mtk_eth_soc.c
@@ -3420,11 +3420,8 @@ static void mtk_pending_work(struct work
rtnl_lock();
dev_dbg(eth->dev, "[%s][%d] reset\n", __func__, __LINE__);
+ set_bit(MTK_RESETTING, &eth->state);
- while (test_and_set_bit_lock(MTK_RESETTING, &eth->state))
- cpu_relax();
-
- dev_dbg(eth->dev, "[%s][%d] mtk_stop starts\n", __func__, __LINE__);
/* stop all devices to make sure that dma is properly shut down */
for (i = 0; i < MTK_MAC_COUNT; i++) {
if (!eth->netdev[i])
@@ -3458,7 +3455,7 @@ static void mtk_pending_work(struct work
dev_dbg(eth->dev, "[%s][%d] reset done\n", __func__, __LINE__);
- clear_bit_unlock(MTK_RESETTING, &eth->state);
+ clear_bit(MTK_RESETTING, &eth->state);
rtnl_unlock();
}