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(parent: c1d2deb) | patch
serial: auart: check clk_enable() return in console write
authorZhaoyang Yu <2426767509@qq.com>
Sun, 1 Mar 2026 16:22:56 +0000 (16:22 +0000)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Thu, 12 Mar 2026 14:24:23 +0000 (15:24 +0100)
commit2c8c3487b25b2e599528299224a54941e0b835ed
tree45c7d5e32d55e3b205545ef6b687dc3986d80869tree | snapshot
parentc1d2deb6492fbd900392f4ebd47572ca4903d0fecommit | diff
serial: auart: check clk_enable() return in console write

Add a check for clk_enable() in auart_console_write(). If
clk_enable() fails, return immediately to avoid accessing
hardware registers while the clock is not enabled.

Signed-off-by: Zhaoyang Yu <2426767509@qq.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/tencent_AB29FADF1FAD67D818283B6BB4FDF66F2F08@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/mxs-auart.c diff | blob | blame | history
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