From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?B?TXlsw6huZQ==?= Josserand Subject: Re: [PATCH v6 07/11] ARM: sun9i: smp: Rename clusters's power-off Date: Wed, 18 Apr 2018 07:51:51 +0200 Message-ID: <20180418075151.3542f7cd@dell-desktop.home> References: <20180416215032.5023-1-mylene.josserand@bootlin.com> <20180416215032.5023-8-mylene.josserand@bootlin.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8BIT Return-path: In-Reply-To: Sender: linux-kernel-owner@vger.kernel.org To: Sergei Shtylyov Cc: linux@armlinux.org.uk, maxime.ripard@bootlin.com, wens@csie.org, marc.zyngier@arm.com, mark.rutland@arm.com, robh+dt@kernel.org, horms@verge.net.au, geert@linux-m68k.org, magnus.damm@gmail.com, linux-renesas-soc@vger.kernel.org, devicetree@vger.kernel.org, clabbe.montjoie@gmail.com, quentin.schulz@bootlin.com, thomas.petazzoni@bootlin.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org List-Id: devicetree@vger.kernel.org Hello, On Tue, 17 Apr 2018 11:21:02 +0300 Sergei Shtylyov wrote: > 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... Thank you for the correction. Best regards, Mylène -- Mylène Josserand, Bootlin (formerly Free Electrons) Embedded Linux and Kernel engineering http://bootlin.com > > > 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 > > Acked-by: Maxime Ripard > > Reviewed-by: Chen-Yu Tsai > > --- > > 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