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serial: sh-sci: describe locking requirements for invalidating RXDMA
authorWolfram Sang <wsa+renesas@sang-engineering.com>
Mon, 6 May 2024 11:40:18 +0000 (13:40 +0200)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Fri, 10 May 2024 10:48:33 +0000 (11:48 +0100)
commit8efc440549087de41abadf62f4bde1d827135338
treef9a63a685c7f286b49d0754927231a53ebbd69cftree | snapshot
parentaae20f6e34cd0cbd67a1d0e5877561c40109a81bcommit | diff
serial: sh-sci: describe locking requirements for invalidating RXDMA

Make sure everyone knows that calling this function needs protection.

Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/20240506114016.30498-8-wsa+renesas@sang-engineering.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
drivers/tty/serial/sh-sci.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git