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

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Message-Id: <20250222132627.25818-1-guanwentao@uniontech.com>
Date: Sat, 22 Feb 2025 21:26:27 +0800
From: Wentao Guan <guanwentao@...ontech.com>
To: jkeeping@...usicbrands.com
Cc: andriy.shevchenko@...ux.intel.com,
	arnd@...db.de,
	fancer.lancer@...il.com,
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	john.ogness@...utronix.de,
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Subject: Re: [PATCH v3] serial: 8250: Fix fifo underflow on flush

Hello John,

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