serial: sh-sci: Fix deadlock during RSCI FIFO overrun error

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commit 75a9f4c547 upstream.

On RSCI IP, a deadlock occurs during a FIFO overrun error, as it uses a
different register to clear the FIFO overrun error status.

Cc: stable@kernel.org
Fixes: 0666e3fe95 ("serial: sh-sci: Add support for RZ/T2H SCI")
Signed-off-by: Biju Das <biju.das.jz@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Link: https://patch.msgid.link/20251114101350.106699-3-biju.das.jz@bp.renesas.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

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Biju Das 2025-11-14 10:13:47 +00:00 • committed by Greg Kroah-Hartman

parent a136ffb888

commit a1210a4023

1 changed files with 10 additions and 2 deletions

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drivers/tty/serial/sh-sci.c

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