Commit 6a06e895 authored by Jeffy Chen's avatar Jeffy Chen Committed by Mark Brown
Browse files

spi: rockchip: Fix clock handling in remove



We are assuming clocks enabled when calling rockchip_spi_remove, which
is not always true. Those clocks might already been disabled by the
runtime PM at that time.

Call pm_runtime_get_sync before trying to disable clocks to avoid that.

Signed-off-by: default avatarJeffy Chen <jeffy.chen@rock-chips.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent 43de979d
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+5 −1
Original line number Diff line number Diff line
@@ -816,11 +816,15 @@ static int rockchip_spi_remove(struct platform_device *pdev)
	struct spi_master *master = spi_master_get(platform_get_drvdata(pdev));
	struct rockchip_spi *rs = spi_master_get_devdata(master);

	pm_runtime_disable(&pdev->dev);
	pm_runtime_get_sync(&pdev->dev);

	clk_disable_unprepare(rs->spiclk);
	clk_disable_unprepare(rs->apb_pclk);

	pm_runtime_put_noidle(&pdev->dev);
	pm_runtime_disable(&pdev->dev);
	pm_runtime_set_suspended(&pdev->dev);

	if (rs->dma_tx.ch)
		dma_release_channel(rs->dma_tx.ch);
	if (rs->dma_rx.ch)