linux-kernel - Re: [PATCH] ARM: imx6ull: Make suspend/resume work like on 6ul

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Message-ID: <20170605053722.GI4094@dragon>
Date:   Mon, 5 Jun 2017 13:37:23 +0800
From:   Shawn Guo <shawnguo@...nel.org>
To:     Leonard Crestez <leonard.crestez@....com>
Cc:     Peter Chen <peter.chen@....com>, Anson Huang <Anson.Huang@....com>,
        linux-kernel@...r.kernel.org,
        Fabio Estevam <fabio.estevam@....com>,
        linux-arm-kernel@...ts.infradead.org,
        Lucas Stach <l.stach@...gutronix.de>
Subject: Re: [PATCH] ARM: imx6ull: Make suspend/resume work like on 6ul

On Tue, May 30, 2017 at 07:11:19PM +0300, Leonard Crestez wrote:
> Suspend and resume on imx6ull is currenty not working because of some
> missed checks where behavior should match imx6ul.
> 
> Signed-off-by: Leonard Crestez <leonard.crestez@....com>
> ---
>  arch/arm/mach-imx/mxc.h     | 6 ++++++
>  arch/arm/mach-imx/pm-imx6.c | 6 ++++--
>  2 files changed, 10 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm/mach-imx/mxc.h b/arch/arm/mach-imx/mxc.h
> index 34f2ff6..e00d626 100644
> --- a/arch/arm/mach-imx/mxc.h
> +++ b/arch/arm/mach-imx/mxc.h
> @@ -39,6 +39,7 @@
>  #define MXC_CPU_IMX6SX		0x62
>  #define MXC_CPU_IMX6Q		0x63
>  #define MXC_CPU_IMX6UL		0x64
> +#define MXC_CPU_IMX6ULL		0x65

Since you are adding a new CPU type, you should probably patch
imx_soc_device_init() for it as well.

Shawn

>  #define MXC_CPU_IMX7D		0x72
>  
>  #define IMX_DDR_TYPE_LPDDR2		1
> @@ -73,6 +74,11 @@ static inline bool cpu_is_imx6ul(void)
>  	return __mxc_cpu_type == MXC_CPU_IMX6UL;
>  }
>  
> +static inline bool cpu_is_imx6ull(void)
> +{
> +	return __mxc_cpu_type == MXC_CPU_IMX6ULL;
> +}
> +
>  static inline bool cpu_is_imx6q(void)
>  {
>  	return __mxc_cpu_type == MXC_CPU_IMX6Q;
> diff --git a/arch/arm/mach-imx/pm-imx6.c b/arch/arm/mach-imx/pm-imx6.c
> index e61b1d1..ecdf071 100644
> --- a/arch/arm/mach-imx/pm-imx6.c
> +++ b/arch/arm/mach-imx/pm-imx6.c
> @@ -295,7 +295,8 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode)
>  		val &= ~BM_CLPCR_SBYOS;
>  		if (cpu_is_imx6sl())
>  			val |= BM_CLPCR_BYPASS_PMIC_READY;
> -		if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul())
> +		if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul() ||
> +		    cpu_is_imx6ull())
>  			val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS;
>  		else
>  			val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS;
> @@ -312,7 +313,8 @@ int imx6_set_lpm(enum mxc_cpu_pwr_mode mode)
>  		val |= BM_CLPCR_SBYOS;
>  		if (cpu_is_imx6sl() || cpu_is_imx6sx())
>  			val |= BM_CLPCR_BYPASS_PMIC_READY;
> -		if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul())
> +		if (cpu_is_imx6sl() || cpu_is_imx6sx() || cpu_is_imx6ul() ||
> +		    cpu_is_imx6ull())
>  			val |= BM_CLPCR_BYP_MMDC_CH0_LPM_HS;
>  		else
>  			val |= BM_CLPCR_BYP_MMDC_CH1_LPM_HS;
> -- 
> 2.7.4
> 
> 
> _______________________________________________
> linux-arm-kernel mailing list
> linux-arm-kernel@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

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