openwrt/target/linux/airoha/patches-6.6/405-PCI-mediatek-gen3-Rely-on-msleep-in-mtk_pcie_en7581_.patch
Christian Marangi 0f45601ccd
airoha: an7581: add pending PCI patch
Add pending PCI patch that should correctly fix mediatek driver with
Airoha SoC.

Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
(cherry picked from commit f22febae1a6b7c654eaf09ed02c0d0017be6d73a)
2025-01-17 22:11:54 +01:00

45 lines
1.9 KiB
Diff

From c98bee18d0a094e37100c85effe5e161418f8644 Mon Sep 17 00:00:00 2001
Message-ID: <c98bee18d0a094e37100c85effe5e161418f8644.1736960708.git.lorenzo@kernel.org>
In-Reply-To: <0e7a622da17da0042294860cdb7a2fac091d25b1.1736960708.git.lorenzo@kernel.org>
References: <0e7a622da17da0042294860cdb7a2fac091d25b1.1736960708.git.lorenzo@kernel.org>
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Wed, 8 Jan 2025 10:50:44 +0100
Subject: [PATCH 5/6] PCI: mediatek-gen3: Rely on msleep() in
mtk_pcie_en7581_power_up()
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
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Since mtk_pcie_en7581_power_up() runs in non-atomic context, rely on
msleep() routine instead of mdelay().
Link: https://lore.kernel.org/r/20250108-pcie-en7581-fixes-v6-5-21ac939a3b9b@kernel.org
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Krzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
---
drivers/pci/controller/pcie-mediatek-gen3.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
--- a/drivers/pci/controller/pcie-mediatek-gen3.c
+++ b/drivers/pci/controller/pcie-mediatek-gen3.c
@@ -885,7 +885,7 @@ static int mtk_pcie_en7581_power_up(stru
reset_control_assert(pcie->mac_reset);
/* Wait for the time needed to complete the reset lines assert. */
- mdelay(PCIE_EN7581_RESET_TIME_MS);
+ msleep(PCIE_EN7581_RESET_TIME_MS);
/*
* Unlike the other MediaTek Gen3 controllers, the Airoha EN7581
@@ -913,7 +913,7 @@ static int mtk_pcie_en7581_power_up(stru
* Wait for the time needed to complete the bulk de-assert above.
* This time is specific for EN7581 SoC.
*/
- mdelay(PCIE_EN7581_RESET_TIME_MS);
+ msleep(PCIE_EN7581_RESET_TIME_MS);
pm_runtime_enable(dev);
pm_runtime_get_sync(dev);