From: Kamal Dasu <kdasu.kdev@gmail.com>
To: Richard Weinberger <richard@nod.at>
Cc: Vignesh Raghavendra <vigneshr@ti.com>,
Boris Brezillon <bbrezillon@kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Schrempf Frieder <frieder.schrempf@kontron.de>,
Marek Vasut <marek.vasut@gmail.com>,
Boris Brezillon <boris.brezillon@collabora.com>,
linux-mtd <linux-mtd@lists.infradead.org>,
Miquel Raynal <miquel.raynal@bootlin.com>,
bcm-kernel-feedback-list@broadcom.com,
Brian Norris <computersforpeace@gmail.com>,
David Woodhouse <dwmw2@infradead.org>,
Kamal Dasu <kamal.dasu@broadcom.com>
Subject: Re: [PATCH 2/2] mtd: rawnand: use bounce buffer when vmalloced data buf detected
Date: Tue, 1 Oct 2019 13:07:43 -0400 [thread overview]
Message-ID: <CAC=U0a0Jqf68zmB9TvkkCsUHjZ1tLrPBR2Bodj+odkTh+BE6_A@mail.gmail.com> (raw)
In-Reply-To: <724490481.10665.1569872374621.JavaMail.zimbra@nod.at>
I was testing with UBI/UBIFS where vmalloced data buffers can be
passed to the nand_base and then o the controller driver. Probably
applies to older kernel 4.1.
Can the Patch1/2 be accepted or you want me to send it separately by
removing the nand_base changes ?.
Kamal
Kamal
On Mon, Sep 30, 2019 at 3:39 PM Richard Weinberger <richard@nod.at> wrote:
>
> ----- Ursprüngliche Mail -----
> > Von: "Kamal Dasu" <kamal.dasu@broadcom.com>
> > This has been observed on MIPS4K and MIPS5K architectures. There is a
> > check on the controller driver to use pio in such cases.
>
> I fear your kernel misses commit:
> 074a1e1167af ("MIPS: Bounds check virt_addr_valid")
>
> Thanks,
> //richard
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next prev parent reply other threads:[~2019-10-01 17:08 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-06 19:47 [PATCH 1/2] mtd: nand: brcmnand: Add support for flash-dma v0 Kamal Dasu
2019-09-06 19:47 ` [PATCH 2/2] mtd: rawnand: use bounce buffer when vmalloced data buf detected Kamal Dasu
2019-09-30 16:01 ` Kamal Dasu
2019-09-30 16:24 ` Boris Brezillon
2019-09-30 16:33 ` Kamal Dasu
2019-09-30 19:39 ` Richard Weinberger
2019-10-01 17:07 ` Kamal Dasu [this message]
2019-10-04 16:04 ` [PATCH 1/2] mtd: nand: brcmnand: Add support for flash-dma v0 Miquel Raynal
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