linux-kernel - Re: [PATCH 2/2 v2] ARM: i.MX25: globally disable supervisor protect

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Date:   Tue, 4 Apr 2017 21:14:52 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Martin Kaiser <martin@...ser.cx>
Cc:     devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        Sascha Hauer <kernel@...gutronix.de>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2 v2] ARM: i.MX25: globally disable supervisor protect

On Mon, Apr 03, 2017 at 09:47:05PM +0200, Martin Kaiser wrote:
> The problem described in 6befda9a272b98bfb1dc772efc3564644cbfb270

This causes the following checkpatch error.

ERROR: Please use git commit description style 'commit <12+ chars of
sha1> ("<title line>")' - ie: 'commit 6befda9a272b ("ARM: i.MX53:
globally disable supervisor protect")'

I fixed it and applied the patch.

Shawn

> for the i.MX53 platform applies to i.MX25 as well.
> 
> E.g. CSPI1+SDMA and SSI1+SDMA are not working with the default AIPS
> configuration. Modifiy the AIPS configuration to allow access to the bus
> by SDMA and peripherals.
> 
> Signed-off-by: Martin Kaiser <martin@...ser.cx>
> ---
> v2:
>    rebased against latest linux-next
>    re-sending both patches, it seems they got lost along the way
> 
>  arch/arm/mach-imx/mach-imx25.c | 6 ++++++
>  1 file changed, 6 insertions(+)
> 
> diff --git a/arch/arm/mach-imx/mach-imx25.c b/arch/arm/mach-imx/mach-imx25.c
> index 32dcb5e..353b86e 100644
> --- a/arch/arm/mach-imx/mach-imx25.c
> +++ b/arch/arm/mach-imx/mach-imx25.c
> @@ -23,6 +23,11 @@ static void __init imx25_init_early(void)
>  	mxc_set_cpu_type(MXC_CPU_MX25);
>  }
>  
> +static void __init imx25_dt_init(void)
> +{
> +	imx_aips_allow_unprivileged_access("fsl,imx25-aips");
> +}
> +
>  static void __init mx25_init_irq(void)
>  {
>  	struct device_node *np;
> @@ -41,6 +46,7 @@ static const char * const imx25_dt_board_compat[] __initconst = {
>  
>  DT_MACHINE_START(IMX25_DT, "Freescale i.MX25 (Device Tree Support)")
>  	.init_early	= imx25_init_early,
> +	.init_machine	= imx25_dt_init,
>  	.init_late      = imx25_pm_init,
>  	.init_irq	= mx25_init_irq,
>  	.dt_compat	= imx25_dt_board_compat,
> -- 
> 2.1.4
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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