ARM: keystone: remove redundant reset stuff

Remove reset stuff in flavour of using keystone reset driver:
driver/power/reset/keystone-reset.c

Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Ivan Khoronzhuk <ivan.khoronzhuk@ti.com>
Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com>

1 files changed, 0 insertions, 34 deletions

diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c
index 59b8383cbdb0..1f9ae89ee06d 100644
--- a/arch/arm/mach-keystone/keystone.c
+++ b/arch/arm/mach-keystone/keystone.c
@@ -26,11 +26,6 @@
 
 #include "keystone.h"
 
-#define PLL_RESET_WRITE_KEY_MASK                0xffff0000
-#define PLL_RESET_WRITE_KEY                     0x5a69
-#define PLL_RESET                               BIT(16)
-
-static void __iomem *keystone_rstctrl;
 static struct notifier_block platform_nb;
 static unsigned long keystone_dma_pfn_offset __read_mostly;
 
@@ -55,16 +50,6 @@ static int keystone_platform_notifier(struct notifier_block *nb,
 
 static void __init keystone_init(void)
 {
-        struct device_node *node;
-
-        node = of_find_compatible_node(NULL, NULL, "ti,keystone-reset");
-        if (WARN_ON(!node))
-                pr_warn("ti,keystone-reset node undefined\n");
-
-        keystone_rstctrl = of_iomap(node, 0);
-        if (WARN_ON(!keystone_rstctrl))
-                pr_warn("ti,keystone-reset iomap error\n");
-
         keystone_pm_runtime_init();
         if (platform_nb.notifier_call)
                 bus_register_notifier(&platform_bus_type, &platform_nb);
@@ -123,24 +108,6 @@ static const char *keystone_match[] __initconst = {
         NULL,
 };
 
-void keystone_restart(enum reboot_mode mode, const char *cmd)
-{
-        u32 val;
-
-        BUG_ON(!keystone_rstctrl);
-
-        /* Enable write access to RSTCTRL */
-        val = readl(keystone_rstctrl);
-        val &= PLL_RESET_WRITE_KEY_MASK;
-        val |= PLL_RESET_WRITE_KEY;
-        writel(val, keystone_rstctrl);
-
-        /* Reset the SOC */
-        val = readl(keystone_rstctrl);
-        val &= ~PLL_RESET;
-        writel(val, keystone_rstctrl);
-}
-
 DT_MACHINE_START(KEYSTONE, "Keystone")
 #if defined(CONFIG_ZONE_DMA) && defined(CONFIG_ARM_LPAE)
         .dma_zone_size  = SZ_2G,
@@ -148,6 +115,5 @@ DT_MACHINE_START(KEYSTONE, "Keystone")
         .smp            = smp_ops(keystone_smp_ops),
         .init_machine   = keystone_init,
         .dt_compat      = keystone_match,
-        .restart        = keystone_restart,
         .init_meminfo   = keystone_init_meminfo,
 MACHINE_END