usb: phy: generic: Convert to devm_clk_get_optional()

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The generic USB PHY driver uses the existence of the "clocks" property
to see if a clock is optional or not.  Use devm_clk_get_optional()
instead, which exists for this purpose.  As usb_phy_generic.clk is now
either a valid clock pointer or NULL, and all clock operations handle
NULL pointers gracefully, several IS_ERR() checks can be removed,
simplifying the code.

Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>

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Link: https://patch.msgid.link/5cc21d821edf5d40f56a74cd251bb1b982876b72.1769004444.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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This commit is contained in:

Geert Uytterhoeven 2026-01-21 15:11:21 +01:00 • committed by Greg Kroah-Hartman

parent 62b718d233

commit 300034f97b

1 changed files with 9 additions and 19 deletions

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drivers/usb/phy/phy-generic.c

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