From: Wolfram Sang <wsa+renesas@sang-engineering.com>
To: linux-i2c@vger.kernel.org
Cc: Hans Verkuil <hverkuil-cisco@xs4all.nl>,
Mauro Carvalho Chehab <mchehab@kernel.org>,
linux-media@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC 2/3] media: i2c: adv7842: remove open coded version of SMBus block read
Date: Tue, 12 Jan 2021 17:44:34 +0100 [thread overview]
Message-ID: <20210112164434.GA47645@kunai> (raw)
In-Reply-To: <20210112164130.47895-3-wsa+renesas@sang-engineering.com>
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On Tue, Jan 12, 2021 at 05:41:28PM +0100, Wolfram Sang wrote:
> The open coded version differs from the one in the core in one way: the
> buffer will be always copied back, even when the transfer failed. It
> looks like it is expected that the sanity check for a correct CRC and
> header will bail out later.
>
> Use the block read from the I2C core and propagate a potential errno
> further to the sanity check.
>
> Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
$subject should say "adv7511", sorry!
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next prev parent reply other threads:[~2021-01-12 16:45 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-01-12 16:41 [PATCH RFC 0/3] treewide: remove open coded SMBus block transfers Wolfram Sang
2021-01-12 16:41 ` [PATCH RFC 1/3] media: i2c: adv7842: remove open coded version of SMBus block write Wolfram Sang
2021-01-18 9:24 ` Hans Verkuil
2021-01-18 9:32 ` Wolfram Sang
2021-01-12 16:41 ` [PATCH RFC 2/3] media: i2c: adv7842: remove open coded version of SMBus block read Wolfram Sang
2021-01-12 16:44 ` Wolfram Sang [this message]
2021-01-12 19:41 ` Wolfram Sang
2021-01-18 9:22 ` Hans Verkuil
2021-01-18 9:33 ` Wolfram Sang
2021-01-12 16:41 ` [PATCH RFC 3/3] ipmi: remove open coded version of SMBus block write Wolfram Sang
2021-01-14 0:48 ` Corey Minyard
2021-01-14 14:04 ` Wolfram Sang
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