Re: [PATCH 6/8] DMA: shdma: pass SoC-specific configuration to thedriver via OF matching

From: Sergei Shtylyov
Date: Fri Jul 12 2013 - 15:49:28 EST


Hello.

On 07/12/2013 05:43 PM, Guennadi Liakhovetski wrote:

Similar to the non-DT case, this patch passes SoC-specific configuration
to the driver via device ID matching, instead of platform data.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski+renesas@xxxxxxxxx>
[...]

diff --git a/drivers/dma/sh/shdmac.c b/drivers/dma/sh/shdmac.c
index a6d53fa..b095d74 100644
--- a/drivers/dma/sh/shdmac.c
+++ b/drivers/dma/sh/shdmac.c
[...]
@@ -665,6 +666,14 @@ static const struct shdma_ops sh_dmae_shdma_ops = {
.get_partial = sh_dmae_get_partial,
};

+static const struct of_device_id sh_dmae_of_match[] = {
+ {.compatible = "renesas,shdma",},
+ {.compatible = "renesas,shdma-r8a73a4", .data = r8a73a4_shdma_devid,},
+ {.compatible = "renesas,shdma-r8a7740", .data = r8a7740_shdma_devid,},

Previously used style assumed spaced after { and before }. Indeed, that would be more consistent with the following line.

+ { }
+};
+MODULE_DEVICE_TABLE(of, sh_dmae_of_match);
+
static int sh_dmae_probe(struct platform_device *pdev)
{
struct sh_dmae_pdata *pdata;
[...]
@@ -915,12 +928,6 @@ static int sh_dmae_remove(struct platform_device *pdev)
return 0;
}

-static const struct of_device_id sh_dmae_of_match[] = {
- { .compatible = "renesas,shdma", },
- { }
-};
-MODULE_DEVICE_TABLE(of, sh_dmae_of_match);
-

WBR, Sergei


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