From: Ulf Hansson <ulf.hansson@linaro.org>
To: Stefan Wahren <wahrenst@gmx.net>
Cc: Florian Fainelli <f.fainelli@gmail.com>,
Scott Branden <sbranden@broadcom.com>,
Ray Jui <rjui@broadcom.com>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
Eric Anholt <eric@anholt.net>, Lukas Wunner <lukas@wunner.de>,
Linux ARM <linux-arm-kernel@lists.infradead.org>
Subject: Re: [PATCH] mmc: bcm2835: Take SWIOTLB memory size limitation into account
Date: Tue, 27 Aug 2019 15:49:35 +0200 [thread overview]
Message-ID: <CAPDyKFo6cWqRkJg=aoVzjHiR_Q6CWHe4et7QimWeWVZyLntQ9Q@mail.gmail.com> (raw)
In-Reply-To: <1566628264-3289-1-git-send-email-wahrenst@gmx.net>
On Sat, 24 Aug 2019 at 08:31, Stefan Wahren <wahrenst@gmx.net> wrote:
>
> Make sure the sdhost driver doesn't use requests bigger than SWIOTLB
> can handle.
>
> Signed-off-by: Stefan Wahren <wahrenst@gmx.net>
Applies for next, thanks!
Kind regards
Uffe
> ---
> drivers/mmc/host/bcm2835.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/bcm2835.c b/drivers/mmc/host/bcm2835.c
> index 7e0d3a4..7ec0d95 100644
> --- a/drivers/mmc/host/bcm2835.c
> +++ b/drivers/mmc/host/bcm2835.c
> @@ -1314,7 +1314,7 @@ static int bcm2835_add_host(struct bcm2835_host *host)
> }
>
> mmc->max_segs = 128;
> - mmc->max_req_size = 524288;
> + mmc->max_req_size = min_t(size_t, 524288, dma_max_mapping_size(dev));
> mmc->max_seg_size = mmc->max_req_size;
> mmc->max_blk_size = 1024;
> mmc->max_blk_count = 65535;
> --
> 2.7.4
>
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prev parent reply other threads:[~2019-08-27 13:50 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-24 6:31 [PATCH] mmc: bcm2835: Take SWIOTLB memory size limitation into account Stefan Wahren
2019-08-27 13:49 ` Ulf Hansson [this message]
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