Commit 1527b076 authored by Johan Hovold's avatar Johan Hovold Committed by Mark Brown

spi: zynqmp-gqspi: fix clock imbalance on probe failure

Make sure that the device is not runtime suspended before explicitly
disabling the clocks on probe failure and on driver unbind to avoid a
clock enable-count imbalance.

Fixes: 9e3a0003 ("spi: zynqmp: Add pm runtime support")
Cc: stable@vger.kernel.org	# 4.19
Cc: Naga Sureshkumar Relli <naga.sureshkumar.relli@xilinx.com>
Cc: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: default avatarJohan Hovold <johan+linaro@kernel.org>
Link: https://lore.kernel.org/r/Message-Id: <20230622082435.7873-1-johan+linaro@kernel.org>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 9d7054fb
......@@ -1342,9 +1342,9 @@ static int zynqmp_qspi_probe(struct platform_device *pdev)
return 0;
clk_dis_all:
pm_runtime_put_sync(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
clk_disable_unprepare(xqspi->refclk);
clk_dis_pclk:
clk_disable_unprepare(xqspi->pclk);
......@@ -1368,11 +1368,15 @@ static void zynqmp_qspi_remove(struct platform_device *pdev)
{
struct zynqmp_qspi *xqspi = platform_get_drvdata(pdev);
pm_runtime_get_sync(&pdev->dev);
zynqmp_gqspi_write(xqspi, GQSPI_EN_OFST, 0x0);
pm_runtime_disable(&pdev->dev);
pm_runtime_put_noidle(&pdev->dev);
pm_runtime_set_suspended(&pdev->dev);
clk_disable_unprepare(xqspi->refclk);
clk_disable_unprepare(xqspi->pclk);
pm_runtime_set_suspended(&pdev->dev);
pm_runtime_disable(&pdev->dev);
}
MODULE_DEVICE_TABLE(of, zynqmp_qspi_of_match);
......
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