From: Mark Brown <broonie@kernel.org>
To: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: linux-spi@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
Mason Yang <masonccyang@mxic.com.tw>,
Julien Su <juliensu@mxic.com.tw>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Boris Brezillon <boris.brezillon@collabora.com>,
stable@vger.kernel.org
Subject: Re: [PATCH 1/4] spi: mxic: Fix transmit path
Date: Fri, 20 Sep 2019 12:02:06 +0100 [thread overview]
Message-ID: <20190920110206.GC3822@sirena.co.uk> (raw)
In-Reply-To: <20190919202504.9619-1-miquel.raynal@bootlin.com>
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On Thu, Sep 19, 2019 at 10:25:01PM +0200, Miquel Raynal wrote:
> In certain circumstances, it is needed to check INT_TX_EMPTY and
> INT_RX_NOT_EMPTY in the transmit path, not only in the receive
> path. In both cases, the delay penalty is negligible.
In which circumstances and why is this required?
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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Miquel Raynal <miquel.raynal@bootlin.com>
Cc: Julien Su <juliensu@mxic.com.tw>,
stable@vger.kernel.org, linux-spi@vger.kernel.org,
Boris Brezillon <boris.brezillon@collabora.com>,
Thomas Petazzoni <thomas.petazzoni@bootlin.com>,
Mason Yang <masonccyang@mxic.com.tw>,
linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH 1/4] spi: mxic: Fix transmit path
Date: Fri, 20 Sep 2019 12:02:06 +0100 [thread overview]
Message-ID: <20190920110206.GC3822@sirena.co.uk> (raw)
In-Reply-To: <20190919202504.9619-1-miquel.raynal@bootlin.com>
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On Thu, Sep 19, 2019 at 10:25:01PM +0200, Miquel Raynal wrote:
> In certain circumstances, it is needed to check INT_TX_EMPTY and
> INT_RX_NOT_EMPTY in the transmit path, not only in the receive
> path. In both cases, the delay penalty is negligible.
In which circumstances and why is this required?
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next prev parent reply other threads:[~2019-09-20 11:02 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-19 20:25 [PATCH 1/4] spi: mxic: Fix transmit path Miquel Raynal
2019-09-20 11:02 ` Mark Brown [this message]
2019-09-20 11:02 ` Mark Brown
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