usb: host: xhci-plat: Improve clock handling in probe()

It is always better to acquire all the clock resources first and
then do the clock operations.

This patch acquires all the optional clocks first and then calls
corresponding prepare_enable().

There is no functional change.

Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/20230121145853.4792-8-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Biju Das 2023-01-21 14:58:48 +00:00 committed by Greg Kroah-Hartman
parent 3827fa1ef3
commit 8c6e8b0961

View File

@ -257,16 +257,16 @@ static int xhci_plat_probe(struct platform_device *pdev)
goto put_hcd;
}
ret = clk_prepare_enable(xhci->reg_clk);
if (ret)
goto put_hcd;
xhci->clk = devm_clk_get_optional(&pdev->dev, NULL);
if (IS_ERR(xhci->clk)) {
ret = PTR_ERR(xhci->clk);
goto disable_reg_clk;
goto put_hcd;
}
ret = clk_prepare_enable(xhci->reg_clk);
if (ret)
goto put_hcd;
ret = clk_prepare_enable(xhci->clk);
if (ret)
goto disable_reg_clk;