Re: [PATCH/RFC] mmc: sh_mmcif: Increase MMCIF clock rate to 97.5MHz

Sergei Shtylyov
2014-11-12T13:40:58Z

Hello.

On 11/11/2014 9:42 AM, Yoshihiro Kaneko wrote:

> From: Shinobu Uehara <shinobu.uehara.xc@renesas.com>

> Signed-off-by: Shinobu Uehara <shinobu.uehara.xc@renesas.com>
> Signed-off-by: Yoshihiro Kaneko <ykaneko0929@gmail.com>
> ---

> This patch is based on mmc-next branch of Chris Ball's mmc tree.

> drivers/mmc/host/sh_mmcif.c | 14 ++++++++++++++
> 1 file changed, 14 insertions(+)

> diff --git a/drivers/mmc/host/sh_mmcif.c b/drivers/mmc/host/sh_mmcif.c
> index 656fbba..fe9a8b7 100644
> --- a/drivers/mmc/host/sh_mmcif.c
> +++ b/drivers/mmc/host/sh_mmcif.c
[...]
> @@ -1371,6 +1373,8 @@ static int sh_mmcif_probe(struct platform_device *pdev)
> struct resource *res;
> void __iomem *reg;
> const char *name;
> + struct device_node *np = pdev->dev.of_node;
> + int clk_rate;

'u32'.

>
> irq[0] = platform_get_irq(pdev, 0);
> irq[1] = platform_get_irq(pdev, 1);
> @@ -1433,6 +1437,16 @@ static int sh_mmcif_probe(struct platform_device *pdev)
> dev_err(&pdev->dev, "cannot get clock: %d\n", ret);
> goto eclkget;
> }
> +
> + if (np && !of_property_read_u32(np, "renesas,clk-rate", &clk_rate)) {

Doesn't the standard "clock-frequency" prop fit here?

WBR, Sergei