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Date: Mon, 24 Oct 2022 13:28:50 +0200 From: Greg Kroah-Hartman <gregkh@...uxfoundation.org> To: linux-kernel@...r.kernel.org Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>, stable@...r.kernel.org, Zhang Qilong <zhangqilong3@...wei.com>, Mark Brown <broonie@...nel.org>, Sasha Levin <sashal@...nel.org> Subject: [PATCH 5.15 186/530] spi: dw: Fix PM disable depth imbalance in dw_spi_bt1_probe From: Zhang Qilong <zhangqilong3@...wei.com> [ Upstream commit 618d815fc93477b1675878f3c04ff32657cc18b4 ] The pm_runtime_enable will increase power disable depth. Thus a pairing decrement is needed on the error handling path to keep it balanced according to context. Fixes:abf00907538e2 ("spi: dw: Add Baikal-T1 SPI Controller glue driver") Signed-off-by: Zhang Qilong <zhangqilong3@...wei.com> Link: https://lore.kernel.org/r/20220924121310.78331-3-zhangqilong3@huawei.com Signed-off-by: Mark Brown <broonie@...nel.org> Signed-off-by: Sasha Levin <sashal@...nel.org> --- drivers/spi/spi-dw-bt1.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-dw-bt1.c b/drivers/spi/spi-dw-bt1.c index 5be6b7b80c21..7e3ff54f6616 100644 --- a/drivers/spi/spi-dw-bt1.c +++ b/drivers/spi/spi-dw-bt1.c @@ -293,8 +293,10 @@ static int dw_spi_bt1_probe(struct platform_device *pdev) pm_runtime_enable(&pdev->dev); ret = dw_spi_add_host(&pdev->dev, dws); - if (ret) + if (ret) { + pm_runtime_disable(&pdev->dev); goto err_disable_clk; + } platform_set_drvdata(pdev, dwsbt1); -- 2.35.1
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