Re: [PATCH v6 07/11] ARM: sun9i: smp: Rename clusters's power-off

Sergei Shtylyov
2018-04-17T08:21:02Z

Hello!

On 4/17/2018 12:50 AM, Mylène Josserand wrote:

> To prepare the support for sun8i-a83t, rename the variable name

s/variable/macro/ maybe? Also "rename the ... name" sounds tautological...

> that handles the power-off of clusters because it is different from
> sun9i-a80 to sun8i-a83t.
>
> The power off register for clusters are different from a80 and a83t.
>
> Signed-off-by: Mylène Josserand <mylene.josserand@bootlin.com>
> Acked-by: Maxime Ripard <maxime.ripard@bootlin.com>
> Reviewed-by: Chen-Yu Tsai <wens@csie.org>
> ---
> arch/arm/mach-sunxi/mc_smp.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/arch/arm/mach-sunxi/mc_smp.c b/arch/arm/mach-sunxi/mc_smp.c
> index 727968d6a3e5..03f021d0c73e 100644
> --- a/arch/arm/mach-sunxi/mc_smp.c
> +++ b/arch/arm/mach-sunxi/mc_smp.c
> @@ -60,7 +60,7 @@
> #define PRCM_CPU_PO_RST_CTRL_CORE(n) BIT(n)
> #define PRCM_CPU_PO_RST_CTRL_CORE_ALL 0xf
> #define PRCM_PWROFF_GATING_REG(c) (0x100 + 0x4 * (c))
> -#define PRCM_PWROFF_GATING_REG_CLUSTER BIT(4)
> +#define PRCM_PWROFF_GATING_REG_CLUSTER_SUN9I BIT(4)
> #define PRCM_PWROFF_GATING_REG_CORE(n) BIT(n)
> #define PRCM_PWR_SWITCH_REG(c, cpu) (0x140 + 0x10 * (c) + 0x4 * (cpu))
> #define PRCM_CPU_SOFT_ENTRY_REG 0x164
> @@ -255,7 +255,7 @@ static int sunxi_cluster_powerup(unsigned int cluster)
>
> /* clear cluster power gate */
> reg = readl(prcm_base + PRCM_PWROFF_GATING_REG(cluster));
> - reg &= ~PRCM_PWROFF_GATING_REG_CLUSTER;
> + reg &= ~PRCM_PWROFF_GATING_REG_CLUSTER_SUN9I;
> writel(reg, prcm_base + PRCM_PWROFF_GATING_REG(cluster));
> udelay(20);
>
> @@ -452,7 +452,7 @@ static int sunxi_cluster_powerdown(unsigned int cluster)
> /* gate cluster power */
> pr_debug("%s: gate cluster power\n", __func__);
> reg = readl(prcm_base + PRCM_PWROFF_GATING_REG(cluster));
> - reg |= PRCM_PWROFF_GATING_REG_CLUSTER;
> + reg |= PRCM_PWROFF_GATING_REG_CLUSTER_SUN9I;
> writel(reg, prcm_base + PRCM_PWROFF_GATING_REG(cluster));
> udelay(20);
>

MBR, Sergei

_______________________________________________
linux-arm-kernel mailing list
linux-arm-kernel@lists.infradead.org