serial: sh-sci: Use devm_clk_get_optional()

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The sh-sci driver supports up to four input clocks, of which only the
first one is mandatory.

Replace devm_clk_get() and custom error checking by
devm_clk_get_optional(), to simplify the code and to catch all real
errors.

Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://lore.kernel.org/r/bce27288cb570952dd96b441e1af8768ad8b4870.1639663832.git.geert+renesas@glider.be
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Geert Uytterhoeven 2021-12-16 15:17:34 +01:00 • committed by Greg Kroah-Hartman

parent 0d1bc829a7

commit 8a1dcae95c

1 changed files with 7 additions and 8 deletions

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drivers/tty/serial/sh-sci.c

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