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authorGeert Uytterhoeven <geert+renesas@glider.be>2018-05-18 14:48:50 +0200
committerSimon Horman <horms+renesas@verge.net.au>2018-06-18 12:00:21 +0200
commitf13e47ee48e283e0b5aab8f899d438ae54b1d05d (patch)
tree6ddebc40e438ae5acd6eb978dede5c9bbc6ff47d /arch/arm/mach-shmobile/smp-r8a7790.c
parentLinux 4.18-rc1 (diff)
downloadlinux-f13e47ee48e283e0b5aab8f899d438ae54b1d05d.tar.xz
linux-f13e47ee48e283e0b5aab8f899d438ae54b1d05d.zip
ARM: shmobile: r8a7790: Remove legacy SMP fallback code
As of commit f5d70b9cee2282ec ("ARM: shmobile: r8a7790: Prioritize DT APMU support") in v4.8, non-DT enablement of SMP was left as a fallback for backwards compatibility with old DTBs. The time has come to drop backwards compatibility, hence remove the fallback code. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
Diffstat (limited to 'arch/arm/mach-shmobile/smp-r8a7790.c')
-rw-r--r--arch/arm/mach-shmobile/smp-r8a7790.c71
1 files changed, 0 insertions, 71 deletions
diff --git a/arch/arm/mach-shmobile/smp-r8a7790.c b/arch/arm/mach-shmobile/smp-r8a7790.c
deleted file mode 100644
index 28f26d5362d8..000000000000
--- a/arch/arm/mach-shmobile/smp-r8a7790.c
+++ /dev/null
@@ -1,71 +0,0 @@
-/*
- * SMP support for r8a7790
- *
- * Copyright (C) 2012-2013 Renesas Solutions Corp.
- * Copyright (C) 2012 Takashi Yoshii <takashi.yoshii.ze@renesas.com>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- */
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/smp.h>
-#include <linux/io.h>
-#include <linux/soc/renesas/rcar-sysc.h>
-
-#include <asm/smp_plat.h>
-
-#include "common.h"
-#include "platsmp-apmu.h"
-#include "rcar-gen2.h"
-#include "r8a7790.h"
-
-static const struct rcar_sysc_ch r8a7790_ca15_scu = {
- .chan_offs = 0x180, /* PWRSR5 .. PWRER5 */
- .isr_bit = 12, /* CA15-SCU */
-};
-
-static const struct rcar_sysc_ch r8a7790_ca7_scu = {
- .chan_offs = 0x100, /* PWRSR3 .. PWRER3 */
- .isr_bit = 21, /* CA7-SCU */
-};
-
-static struct rcar_apmu_config r8a7790_apmu_config[] = {
- {
- .iomem = DEFINE_RES_MEM(0xe6152000, 0x188),
- .cpus = { 0, 1, 2, 3 },
- },
- {
- .iomem = DEFINE_RES_MEM(0xe6151000, 0x188),
- .cpus = { 0x100, 0x0101, 0x102, 0x103 },
- }
-};
-
-static void __init r8a7790_smp_prepare_cpus(unsigned int max_cpus)
-{
- /* let APMU code install data related to shmobile_boot_vector */
- shmobile_smp_apmu_prepare_cpus(max_cpus,
- r8a7790_apmu_config,
- ARRAY_SIZE(r8a7790_apmu_config));
-
- /* turn on power to SCU */
- rcar_gen2_pm_init();
- rcar_sysc_power_up(&r8a7790_ca15_scu);
- rcar_sysc_power_up(&r8a7790_ca7_scu);
-}
-
-const struct smp_operations r8a7790_smp_ops __initconst = {
- .smp_prepare_cpus = r8a7790_smp_prepare_cpus,
- .smp_boot_secondary = shmobile_smp_apmu_boot_secondary,
-#ifdef CONFIG_HOTPLUG_CPU
- .cpu_can_disable = shmobile_smp_cpu_can_disable,
- .cpu_die = shmobile_smp_apmu_cpu_die,
- .cpu_kill = shmobile_smp_apmu_cpu_kill,
-#endif
-};