From: <Tudor.Ambarus@microchip.com>
To: <novikov@ispras.ru>
Cc: <michael@walle.cc>, <p.yadav@ti.com>, <miquel.raynal@bootlin.com>,
<richard@nod.at>, <vigneshr@ti.com>, <lee.jones@linaro.org>,
<bianpan2016@163.com>, <linux-mtd@lists.infradead.org>,
<linux-kernel@vger.kernel.org>, <ldv-project@linuxtesting.org>
Subject: Re: [PATCH v2] mtd: spi-nor: hisi-sfc: Remove excessive clk_disable_unprepare()
Date: Tue, 19 Oct 2021 10:16:18 +0000 [thread overview]
Message-ID: <94539db8-e6d7-fd1e-46f1-af3ff1525685@microchip.com> (raw)
In-Reply-To: <20210709144529.31379-1-novikov@ispras.ru>
On 7/9/21 5:45 PM, Evgeny Novikov wrote:
> EXTERNAL EMAIL: Do not click links or open attachments unless you know the content is safe
>
> hisi_spi_nor_probe() invokes clk_disable_unprepare() on all paths after
> successful call of clk_prepare_enable(). Besides, the clock is enabled by
> hispi_spi_nor_prep() and disabled by hispi_spi_nor_unprep(). So at remove
> time it is not possible to have the clock enabled. The patch removes
> excessive clk_disable_unprepare() from hisi_spi_nor_remove().
>
> Found by Linux Driver Verification project (linuxtesting.org).
>
> Fixes: e523f11141bd ("mtd: spi-nor: add hisilicon spi-nor flash controller driver")
> Signed-off-by: Evgeny Novikov <novikov@ispras.ru>
> Reviewed-by: Pratyush Yadav <p.yadav@ti.com>
> ---
> v2: Fix notes from Pratyush Yadav:
> - Describe better why clock disabling is not necessary at remove time.
> - Add tag Fixes.
> ---
> drivers/mtd/spi-nor/controllers/hisi-sfc.c | 1 -
> 1 file changed, 1 deletion(-)
>
Applied, thanks.
prev parent reply other threads:[~2021-10-19 10:16 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-09 14:45 Evgeny Novikov
2021-10-19 10:16 ` Tudor.Ambarus [this message]
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