From: Roger Quadros <rogerq@ti.com>
To: Franklin S Cooper Jr <fcooper@ti.com>,
linux-kernel@vger.kernel.org, devicetree@vger.kernel.org,
linux-omap@vger.kernel.org, linux-mtd@lists.infradead.org,
nsekhar@ti.com, computersforpeace@gmail.com, dwmw2@infradead.org,
tony@atomide.com
Subject: Re: [PATCH 1/5] mtd: nand: omap2: Support parsing dma channel information from DT
Date: Wed, 14 Oct 2015 14:36:47 +0300 [thread overview]
Message-ID: <561E3E4F.9020302@ti.com> (raw)
In-Reply-To: <1444700338-27582-2-git-send-email-fcooper@ti.com>
On 13/10/15 04:38, Franklin S Cooper Jr wrote:
> Switch from dma_request_channel to allow passing dma channel
> information from DT rather than hardcoding a value.
>
> Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Acked-by: Roger Quadros <rogerq@ti.com>
> ---
> drivers/mtd/nand/omap2.c | 4 +++-
> 1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mtd/nand/omap2.c b/drivers/mtd/nand/omap2.c
> index d0f2620..957c32f 100644
> --- a/drivers/mtd/nand/omap2.c
> +++ b/drivers/mtd/nand/omap2.c
> @@ -1866,7 +1866,9 @@ static int omap_nand_probe(struct platform_device *pdev)
> dma_cap_zero(mask);
> dma_cap_set(DMA_SLAVE, mask);
> sig = OMAP24XX_DMA_GPMC;
> - info->dma = dma_request_channel(mask, omap_dma_filter_fn, &sig);
> + info->dma = dma_request_slave_channel_compat(mask,
> + omap_dma_filter_fn, &sig, pdev->dev.parent, "rxtx");
> +
> if (!info->dma) {
> dev_err(&pdev->dev, "DMA engine request failed\n");
> err = -ENXIO;
>
cheers,
-roger
next prev parent reply other threads:[~2015-10-14 11:36 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-13 1:38 [PATCH 0/5] mtd: nand: Fix support for NAND DMA Prefetch Franklin S Cooper Jr
2015-10-13 1:38 ` [PATCH 1/5] mtd: nand: omap2: Support parsing dma channel information from DT Franklin S Cooper Jr
2015-10-14 11:36 ` Roger Quadros [this message]
2015-10-14 11:52 ` Roger Quadros
2015-10-14 13:26 ` Franklin S Cooper Jr.
2015-10-14 14:11 ` Roger Quadros
[not found] ` <561E629F.5070202-l0cyMroinI0@public.gmane.org>
2015-10-14 14:32 ` Franklin S Cooper Jr.
[not found] ` <561E6791.3030404-l0cyMroinI0@public.gmane.org>
2015-10-14 16:18 ` Tony Lindgren
[not found] ` <20151014161813.GC10113-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2015-10-14 16:23 ` Franklin S Cooper Jr.
2015-10-14 18:13 ` Tony Lindgren
[not found] ` <20151014181337.GF10113-4v6yS6AI5VpBDgjK7y7TUQ@public.gmane.org>
2015-10-14 20:03 ` Franklin S Cooper Jr.
2015-10-15 7:35 ` Roger Quadros
2015-10-15 17:12 ` Franklin S Cooper Jr.
2015-10-13 1:38 ` [PATCH 2/5] mtd: nand: omap2: Start dma request before enabling prefetch Franklin S Cooper Jr
2015-10-14 11:41 ` Roger Quadros
[not found] ` <561E3F5B.6040102-l0cyMroinI0@public.gmane.org>
2015-10-14 13:45 ` Franklin S Cooper Jr.
2015-10-13 1:38 ` [PATCH 3/5] mtd: nand: omap2: Fix high memory dma prefetch transfer Franklin S Cooper Jr
2015-10-13 1:38 ` [PATCH 4/5] ARM: dts: am437x/am33xx/omap3/dm816x: Add gpmc dma channel Franklin S Cooper Jr
2015-10-14 11:44 ` Roger Quadros
2015-10-14 13:57 ` Franklin S Cooper Jr.
2015-10-13 1:38 ` [PATCH 5/5] ARM: OMAP2+: Update gpmc and nand DT binding documentation Franklin S Cooper Jr
2015-10-14 11:50 ` Roger Quadros
2015-10-15 17:14 ` Franklin S Cooper Jr.
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