From mboxrd@z Thu Jan 1 00:00:00 1970 From: sboyd@codeaurora.org (Stephen Boyd) Date: Mon, 30 Jul 2012 11:19:41 -0700 Subject: [PATCH] ARM: formalize an IPI for CPU wake-ups In-Reply-To: <0e0201cd5f2f$2c2f6e60$848e4b20$%kim@samsung.com> References: <20120611155716.GA18267@n2100.arm.linux.org.uk> <20120611165115.GB18267@n2100.arm.linux.org.uk> <4FD62DBB.8070407@codeaurora.org> <20120611192519.GF18267@n2100.arm.linux.org.uk> <4FE1FB15.3090305@codeaurora.org> <0e0201cd5f2f$2c2f6e60$848e4b20$%kim@samsung.com> Message-ID: <5016D03D.8010607@codeaurora.org> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On 07/10/12 23:34, Kukjin Kim wrote: > Stephen Boyd wrote: >> Great. Kukjin Kim, can exynos use SGI0? It looks like exynos is the only >> one left to move to SGI0. >> > Yeah, EXYNOS can use SGI0 instead of SGI1 :) > > Russell, can we apply something like this? diff --git a/arch/arm/mach-exynos/platsmp.c b/arch/arm/mach-exynos/platsmp.c index 36c3984..090e32b 100644 --- a/arch/arm/mach-exynos/platsmp.c +++ b/arch/arm/mach-exynos/platsmp.c @@ -139,7 +139,7 @@ int __cpuinit boot_secondary(unsigned int cpu, struct task_struct *idle) __raw_writel(virt_to_phys(exynos4_secondary_startup), CPU1_BOOT_REG); - gic_raise_softirq(cpumask_of(cpu), 1); + gic_raise_softirq(cpumask_of(cpu), 0); if (pen_release == -1) break; I see we have another user of SGI1. Magnus/Rafael, can we move smp-emev2.c to use SGI0 instead of SGI1? -- Sent by an employee of the Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum.