Unverified Commit c98bee18 authored by Lorenzo Bianconi's avatar Lorenzo Bianconi Committed by Krzysztof Wilczyński
Browse files

PCI: mediatek-gen3: Rely on msleep() in mtk_pcie_en7581_power_up() 

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: default avatarLorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: default avatarKrzysztof Wilczyński <kwilczynski@kernel.org>
Reviewed-by: default avatarAngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Reviewed-by: default avatarManivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
parent 90d4e466

drivers/pci/controller/pcie-mediatek-gen3.c

+2 −2
Original line number Diff line number Diff line
@@ -923,7 +923,7 @@ static int mtk_pcie_en7581_power_up(struct mtk_gen3_pcie *pcie) 
	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
@@ -951,7 +951,7 @@ static int mtk_pcie_en7581_power_up(struct mtk_gen3_pcie *pcie) 
	 * 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);