gpu: host1x: mipi: Benefit from devm_clk_get_prepared()
When using devm_clk_get_prepared() instead of devm_clk_get() the clock is already returned prepared. So probe doesn't need to call clk_prepare() and at remove time the call to clk_unprepare() can be dropped. The latter makes the remove callback empty, so it can be dropped, too. Acked-by: Thierry Reding <treding@nvidia.com> Link: https://lore.kernel.org/r/20240409165043.105137-2-u.kleine-koenig@pengutronix.de Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
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@ -501,7 +501,6 @@ static int tegra_mipi_probe(struct platform_device *pdev)
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{
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const struct of_device_id *match;
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struct tegra_mipi *mipi;
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int err;
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match = of_match_node(tegra_mipi_of_match, pdev->dev.of_node);
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if (!match)
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@ -520,35 +519,21 @@ static int tegra_mipi_probe(struct platform_device *pdev)
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mutex_init(&mipi->lock);
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mipi->clk = devm_clk_get(&pdev->dev, NULL);
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mipi->clk = devm_clk_get_prepared(&pdev->dev, NULL);
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if (IS_ERR(mipi->clk)) {
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dev_err(&pdev->dev, "failed to get clock\n");
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return PTR_ERR(mipi->clk);
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}
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err = clk_prepare(mipi->clk);
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if (err < 0)
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return err;
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platform_set_drvdata(pdev, mipi);
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return 0;
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}
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static int tegra_mipi_remove(struct platform_device *pdev)
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{
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struct tegra_mipi *mipi = platform_get_drvdata(pdev);
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clk_unprepare(mipi->clk);
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return 0;
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}
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struct platform_driver tegra_mipi_driver = {
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.driver = {
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.name = "tegra-mipi",
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.of_match_table = tegra_mipi_of_match,
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},
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.probe = tegra_mipi_probe,
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.remove = tegra_mipi_remove,
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};
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