linux-kernel - Re: [PATCH] imx27: pinctrl: fix wrong offset to ICONFB

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Date:	Tue, 21 Jan 2014 11:24:52 +0100
From:	Markus Pargmann <mpa@...gutronix.de>
To:	Chris Ruehl <chris.ruehl@...ys.com.hk>
Cc:	linus.walleij@...aro.org, linux-kernel@...r.kernel.org,
	linux-arm@...ts.infradead.org
Subject: Re: [PATCH] imx27: pinctrl: fix wrong offset to ICONFB

Hi,

On Thu, Jan 16, 2014 at 09:18:23AM +0800, Chris Ruehl wrote:
> The offset to ICONFB was incorrect, this patch set the correct value 0x14.
> dev_dbg in function imx1_write_2bit print the wrong address and had been
> moved after address calculation.
> 
> Signed-off-by: Chris Ruehl <chris.ruehl@...ys.com.hk>

Reviewed-by: Markus Pargmann <mpa@...gutronix.de>

Perhaps this should go to the stable tree too for 3.13 and 3.14?

Regards,

Markus

> ---
>  drivers/pinctrl/pinctrl-imx1-core.c |    8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/pinctrl/pinctrl-imx1-core.c b/drivers/pinctrl/pinctrl-imx1-core.c
> index f77914a..8dfc3dc 100644
> --- a/drivers/pinctrl/pinctrl-imx1-core.c
> +++ b/drivers/pinctrl/pinctrl-imx1-core.c
> @@ -45,7 +45,7 @@ struct imx1_pinctrl {
>  #define MX1_DDIR 0x00
>  #define MX1_OCR 0x04
>  #define MX1_ICONFA 0x0c
> -#define MX1_ICONFB 0x10
> +#define MX1_ICONFB 0x14
>  #define MX1_GIUS 0x20
>  #define MX1_GPR 0x38
>  #define MX1_PUEN 0x40
> @@ -97,13 +97,13 @@ static void imx1_write_2bit(struct imx1_pinctrl *ipctl, unsigned int pin_id,
>  	u32 old_val;
>  	u32 new_val;
>  
> -	dev_dbg(ipctl->dev, "write: register 0x%p offset %d value 0x%x\n",
> -			reg, offset, value);
> -
>  	/* Use the next register if the pin's port pin number is >=16 */
>  	if (pin_id % 32 >= 16)
>  		reg += 0x04;
>  
> +	dev_dbg(ipctl->dev, "write: register 0x%p offset %d value 0x%x\n",
> +			reg, offset, value);
> +
>  	/* Get current state of pins */
>  	old_val = readl(reg);
>  	old_val &= mask;
> -- 
> 1.7.10.4
> 
> 

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