Linux Remote Processor Subsystem development
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From: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
To: "Nícolas F. R. A. Prado" <nfraprado@collabora.com>,
	"Bjorn Andersson" <andersson@kernel.org>,
	"Mathieu Poirier" <mathieu.poirier@linaro.org>,
	"Matthias Brugger" <matthias.bgg@gmail.com>,
	"Tzung-Bi Shih" <tzungbi@kernel.org>
Cc: kernel@collabora.com, linux-remoteproc@vger.kernel.org,
	linux-kernel@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org,
	linux-mediatek@lists.infradead.org
Subject: Re: [PATCH] remoteproc: mediatek: Don't attempt to remap l1tcm memory if missing
Date: Fri, 28 Jun 2024 11:53:23 +0200	[thread overview]
Message-ID: <b50df7c0-1005-4e90-a518-6abee33e7539@collabora.com> (raw)
In-Reply-To: <20240627-scp-invalid-resource-l1tcm-v1-1-7d221e6c495a@collabora.com>

Il 27/06/24 23:20, Nícolas F. R. A. Prado ha scritto:
> The current code doesn't check whether platform_get_resource_byname()
> succeeded to get the l1tcm memory, which is optional, before attempting
> to map it. This results in the following error message when it is
> missing:
> 
>    mtk-scp 10500000.scp: error -EINVAL: invalid resource (null)
> 
> Add a check so that the remapping is only attempted if the memory region
> exists. This also allows to simplify the logic handling failure to
> remap, since a failure then is always a failure.
> 
> Fixes: ca23ecfdbd44 ("remoteproc/mediatek: support L1TCM")
> Signed-off-by: Nícolas F. R. A. Prado <nfraprado@collabora.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>



  parent reply	other threads:[~2024-06-28  9:53 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-06-27 21:20 [PATCH] remoteproc: mediatek: Don't attempt to remap l1tcm memory if missing Nícolas F. R. A. Prado
2024-06-28  3:12 ` Tzung-Bi Shih
2024-06-28  9:53 ` AngeloGioacchino Del Regno [this message]
2024-06-28 18:04 ` Mathieu Poirier

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