[U-Boot] [PATCH] imx: don't clobber reset cause

[Stefano Babic]

On 04/02/2015 22:51, Eric Nelson wrote:
> The cause of a reset is generally useful, and shouldn't be
> blindly cleared in the process of displaying it as a part
> of the boot announcement.
> 
> If a particular system wants to clear it out, this should
> be done later after there's an opportunity for code or
> boot commands to read the value.
> 
> Signed-off-by: Eric Nelson <eric.nelson at boundarydevices.com>
> ---
>  arch/arm/imx-common/cpu.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/arch/arm/imx-common/cpu.c b/arch/arm/imx-common/cpu.c
> index 28ccd29..3e0a582 100644
> --- a/arch/arm/imx-common/cpu.c
> +++ b/arch/arm/imx-common/cpu.c
> @@ -30,7 +30,6 @@ char *get_reset_cause(void)
>  	struct src *src_regs = (struct src *)SRC_BASE_ADDR;
>  
>  	cause = readl(&src_regs->srsr);
> -	writel(cause, &src_regs->srsr);
>  
>  	switch (cause) {
>  	case 0x00001:
> 

Acked-by: Stefano Babic <sbabic at denx.de>

Best regards,
Stefano Babic

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