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From: Mark Brown <broonie@kernel.org>
To: Tang Bin <tangbin@cmss.chinamobile.com>
Cc: olivier.moysan@foss.st.com, arnaud.pouliquen@foss.st.com,
	lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Subject: Re: [PATCH] ASoC: stm32: spdifrx: Delete unnecessary check in the probe function
Date: Wed, 11 Aug 2021 12:58:46 +0100	[thread overview]
Message-ID: <20210811115846.GC4167@sirena.org.uk> (raw)
In-Reply-To: <20210811115523.17232-1-tangbin@cmss.chinamobile.com>


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On Wed, Aug 11, 2021 at 07:55:23PM +0800, Tang Bin wrote:
> The function stm32_spdifrx_parse_of() is only called by the function
> stm32_spdifrx_probe(), and the probe function is only called with
> an openfirmware platform device. Therefore there is no need to check
> the device_node in probe function.

What is the benefit of not doing the check?  It seems like reasonable
defensive programming.

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WARNING: multiple messages have this Message-ID (diff)
From: Mark Brown <broonie@kernel.org>
To: Tang Bin <tangbin@cmss.chinamobile.com>
Cc: olivier.moysan@foss.st.com, arnaud.pouliquen@foss.st.com,
	lgirdwood@gmail.com, perex@perex.cz, tiwai@suse.com,
	linux-stm32@st-md-mailman.stormreply.com,
	linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org,
	Zhang Shengju <zhangshengju@cmss.chinamobile.com>
Subject: Re: [PATCH] ASoC: stm32: spdifrx: Delete unnecessary check in the probe function
Date: Wed, 11 Aug 2021 12:58:46 +0100	[thread overview]
Message-ID: <20210811115846.GC4167@sirena.org.uk> (raw)
In-Reply-To: <20210811115523.17232-1-tangbin@cmss.chinamobile.com>

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On Wed, Aug 11, 2021 at 07:55:23PM +0800, Tang Bin wrote:
> The function stm32_spdifrx_parse_of() is only called by the function
> stm32_spdifrx_probe(), and the probe function is only called with
> an openfirmware platform device. Therefore there is no need to check
> the device_node in probe function.

What is the benefit of not doing the check?  It seems like reasonable
defensive programming.

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  reply	other threads:[~2021-08-11 12:01 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-08-11 11:55 [PATCH] ASoC: stm32: spdifrx: Delete unnecessary check in the probe function Tang Bin
2021-08-11 11:55 ` Tang Bin
2021-08-11 11:58 ` Mark Brown [this message]
2021-08-11 11:58   ` Mark Brown
2021-08-11 12:09   ` [PATCH] ASoC: stm32: spdifrx: Delete unnecessary check in theprobe function tangbin
2021-08-11 12:09     ` tangbin
2021-08-11 12:19     ` Mark Brown
2021-08-11 12:19       ` Mark Brown
2021-08-11 12:28       ` [PATCH] ASoC: stm32: spdifrx: Delete unnecessary check in the probe function tangbin
2021-08-11 12:28         ` tangbin

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