linux-kernel - Re: [PATCH v3] serial: 8250: Fix fifo underflow on flush

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Message-Id: <20250222131316.23214-1-guanwentao@uniontech.com>
Date: Sat, 22 Feb 2025 21:13:16 +0800
From: Wentao Guan <guanwentao@...ontech.com>
To: jkeeping@...usicbrands.com
Cc: gregkh@...uxfoundation.org,
	linux-kernel@...r.kernel.org,
	linux-serial@...r.kernel.org
Subject: Re: [PATCH v3] serial: 8250: Fix fifo underflow on flush

It seems strange that call 'dmaengine_terminate_async( **dma->rxchan** );' in
'serial8250_ **tx** _dma_flush' during code review.
I am not a professional reviewer in this module, could you explaim the change?

BRs
Wentao Guan