From mboxrd@z Thu Jan 1 00:00:00 1970 From: pankaj.dubey@samsung.com (Pankaj Dubey) Date: Mon, 14 Nov 2016 10:32:06 +0530 Subject: [PATCH 11/16] ARM: rockchip: use generic API for enabling SCU In-Reply-To: <1479099731-28108-1-git-send-email-pankaj.dubey@samsung.com> References: <1479099731-28108-1-git-send-email-pankaj.dubey@samsung.com> Message-ID: <1479099731-28108-12-git-send-email-pankaj.dubey@samsung.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org Now as we have of_scu_enable which takes care of mapping scu base from DT, lets use it. CC: Heiko Stuebner CC: linux-rockchip at lists.infradead.org Signed-off-by: Pankaj Dubey --- arch/arm/mach-rockchip/platsmp.c | 12 +++--------- 1 file changed, 3 insertions(+), 9 deletions(-) diff --git a/arch/arm/mach-rockchip/platsmp.c b/arch/arm/mach-rockchip/platsmp.c index 4d827a0..31169cf 100644 --- a/arch/arm/mach-rockchip/platsmp.c +++ b/arch/arm/mach-rockchip/platsmp.c @@ -282,21 +282,15 @@ static void __init rockchip_smp_prepare_cpus(unsigned int max_cpus) if (has_pmu && rockchip_smp_prepare_pmu()) return; - if (read_cpuid_part() == ARM_CPU_PART_CORTEX_A9) { + if (scu_a9_has_base()) { if (rockchip_smp_prepare_sram(node)) return; /* enable the SCU power domain */ pmu_set_power_domain(PMU_PWRDN_SCU, true); - node = of_find_compatible_node(NULL, NULL, "arm,cortex-a9-scu"); - if (!node) { - pr_err("%s: missing scu\n", __func__); - return; - } - - scu_base_addr = of_iomap(node, 0); - if (!scu_base_addr) { + scu_base_addr = of_scu_get_base(); + if (IS_ERR(scu_base_addr)) { pr_err("%s: could not map scu registers\n", __func__); return; } -- 2.7.4