From: sashiko-bot@kernel.org
To: "Nicolai Buchwitz" <nb@tipi-net.de>
Cc: linux-serial@vger.kernel.org
Subject: Re: [PATCH] serial: amba-pl011: honour delay_rts_before_send for every write
Date: Sun, 11 Oct 2026 20:30:24 +0000 [thread overview]
Message-ID: <sashiko-outbox-167451@kernel.org> (raw)
In-Reply-To: <20261011-fix-pl011-rs485-rts-delay-v1-1-5078e61bc408@tipi-net.de>
> While the driver waits out delay_rts_before_send, another write calls
> pl011_start_tx() again. pl011_rs485_tx_start() then switches straight
> to SEND, and the data goes out before the delay has passed.
>
> Leave the start to the trigger_start_tx timer while it is pending.
>
> Fixes: 2c1fd53af21b ("serial: amba-pl011: Fix RTS handling in RS485 mode")
> Cc: stable@vger.kernel.org
> Signed-off-by: Nicolai Buchwitz <nb@tipi-net.de>
Sashiko has reviewed this patch and found no issues. It looks great!
--
Sashiko AI review · https://sashiko.dev/#/patchset/20261011-fix-pl011-rs485-rts-delay-v1-1-5078e61bc408@tipi-net.de?part=1
prev parent reply other threads:[~2026-10-11 20:30 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-11 20:23 [PATCH] serial: amba-pl011: honour delay_rts_before_send for every write Nicolai Buchwitz
2026-10-11 20:30 ` sashiko-bot [this message]
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