From: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
To: Samarth Narang <samarth.colleges@gmail.com>
Cc: Jiri Slaby <jirislaby@kernel.org>,
Russell King <linux@armlinux.org.uk>, Frank Li <Frank.Li@nxp.com>,
Sascha Hauer <s.hauer@pengutronix.de>,
Pengutronix Kernel Team <kernel@pengutronix.de>,
Fabio Estevam <festevam@gmail.com>,
linux-serial@vger.kernel.org, imx@lists.linux.dev,
linux-arm-kernel@lists.infradead.org,
linux-kernel@vger.kernel.org
Subject: Re: [BUG] serial: amba-pl011, imx, fsl_lpuart: ->flush_buffer() unmaps the TX DMA buffer before the transfer has stopped
Date: Sat, 31 Oct 2026 09:55:34 +0100 [thread overview]
Message-ID: <2026103106-pessimist-brisket-25b7@gregkh> (raw)
In-Reply-To: <20261031005425.3351240-1-samarth.colleges@gmail.com>
On Sat, Oct 31, 2026 at 12:54:25AM +0000, Samarth Narang wrote:
> I have compile-tested candidate patches for amba-pl011 and
> fsl_lpuart using this general approach. I can send them for review,
> or adapt them if the maintainers prefer a different synchronization
> strategy.
Please always just send patches, you do not need "permission" to do so.
thanks,
greg k-h
next prev parent reply other threads:[~2026-10-31 8:55 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-10-31 0:54 [BUG] serial: amba-pl011, imx, fsl_lpuart: ->flush_buffer() unmaps the TX DMA buffer before the transfer has stopped Samarth Narang
2026-10-31 8:55 ` Greg Kroah-Hartman [this message]
2026-10-31 12:37 ` [PATCH 0/2] serial: keep the flushed TX buffer mapped until DMA " Samarth Narang
2026-10-31 12:37 ` [PATCH 1/2] serial: amba-pl011: keep the flushed TX buffer mapped until DMA stops Samarth Narang
2026-10-31 12:52 ` sashiko-bot
2026-10-31 12:37 ` [PATCH 2/2] tty: serial: fsl_lpuart: don't unmap TX buffer before DMA has stopped Samarth Narang
2026-10-31 12:53 ` sashiko-bot
2026-10-31 13:00 ` [PATCH 0/2] serial: keep the flushed TX buffer mapped until " Greg Kroah-Hartman
2026-10-31 13:44 ` Samarth Narang
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