From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Praveenkumar I <ipkumar@codeaurora.org>,
miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
sivaprak@codeaurora.org, peter.ujfalusi@ti.com,
boris.brezillon@collabora.com, linux-mtd@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: kathirav@codeaurora.org, stable@vger.kernel.org
Subject: Re: [PATCH] mtd: rawnand: qcom: Fix DMA sync on FLASH_STATUS register read
Date: Fri, 30 Oct 2020 18:27:38 +0100 [thread overview]
Message-ID: <20201030172738.29290-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <1602230872-25616-1-git-send-email-ipkumar@codeaurora.org>
On Fri, 2020-10-09 at 08:07:52 UTC, Praveenkumar I wrote:
> After each codeword NAND_FLASH_STATUS is read for possible operational
> failures. But there is no DMA sync for CPU operation before reading it
> and this leads to incorrect or older copy of DMA buffer in reg_read_buf.
>
> This patch adds the DMA sync on reg_read_buf for CPU before reading it.
>
> Fixes: 5bc36b2bf6e2 ("mtd: rawnand: qcom: check for operation errors in case of raw read")
> Signed-off-by: Praveenkumar I <ipkumar@codeaurora.org>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.
Miquel
WARNING: multiple messages have this Message-ID (diff)
From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Praveenkumar I <ipkumar@codeaurora.org>,
miquel.raynal@bootlin.com, richard@nod.at, vigneshr@ti.com,
sivaprak@codeaurora.org, peter.ujfalusi@ti.com,
boris.brezillon@collabora.com, linux-mtd@lists.infradead.org,
linux-kernel@vger.kernel.org
Cc: kathirav@codeaurora.org, stable@vger.kernel.org
Subject: Re: [PATCH] mtd: rawnand: qcom: Fix DMA sync on FLASH_STATUS register read
Date: Fri, 30 Oct 2020 18:27:38 +0100 [thread overview]
Message-ID: <20201030172738.29290-1-miquel.raynal@bootlin.com> (raw)
In-Reply-To: <1602230872-25616-1-git-send-email-ipkumar@codeaurora.org>
On Fri, 2020-10-09 at 08:07:52 UTC, Praveenkumar I wrote:
> After each codeword NAND_FLASH_STATUS is read for possible operational
> failures. But there is no DMA sync for CPU operation before reading it
> and this leads to incorrect or older copy of DMA buffer in reg_read_buf.
>
> This patch adds the DMA sync on reg_read_buf for CPU before reading it.
>
> Fixes: 5bc36b2bf6e2 ("mtd: rawnand: qcom: check for operation errors in case of raw read")
> Signed-off-by: Praveenkumar I <ipkumar@codeaurora.org>
Applied to https://git.kernel.org/pub/scm/linux/kernel/git/mtd/linux.git nand/next, thanks.
Miquel
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http://lists.infradead.org/mailman/listinfo/linux-mtd/
next prev parent reply other threads:[~2020-10-30 17:27 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-09 8:07 [PATCH] mtd: rawnand: qcom: Fix DMA sync on FLASH_STATUS register read Praveenkumar I
2020-10-09 8:07 ` Praveenkumar I
2020-10-28 10:08 ` Miquel Raynal
2020-10-28 10:08 ` Miquel Raynal
[not found] ` <24a781a3-488c-b638-1b92-0f279807446f@codeaurora.org>
2020-10-28 14:23 ` Miquel Raynal
2020-10-28 14:23 ` Miquel Raynal
2020-10-30 17:27 ` Miquel Raynal [this message]
2020-10-30 17:27 ` Miquel Raynal
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