Merge tag 'soc-for-linus-3' of git://git.kernel.org/pub/scm/linux/kernel/git/arm...

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / arm / mach-imx / gpc.c

diff --git a/arch/arm/mach-imx/gpc.c b/arch/arm/mach-imx/gpc.c
index 02b61cdf39b97bbf5c7aee5f92b74a8c3fb86684..44a65e9ff1fc9366bb62c35242c4f6dcc188a0d2 100644 (file)
--- a/arch/arm/mach-imx/gpc.c
+++ b/arch/arm/mach-imx/gpc.c
@@ -1,5 +1,5 @@
 /*
- * Copyright 2011 Freescale Semiconductor, Inc.
+ * Copyright 2011-2013 Freescale Semiconductor, Inc.
  * Copyright 2011 Linaro Ltd.
  *
  * The code contained herein is licensed under the GNU General Public
@@ -69,6 +69,27 @@ static int imx_gpc_irq_set_wake(struct irq_data *d, unsigned int on)
        return 0;
 }
 
+void imx_gpc_mask_all(void)
+{
+       void __iomem *reg_imr1 = gpc_base + GPC_IMR1;
+       int i;
+
+       for (i = 0; i < IMR_NUM; i++) {
+               gpc_saved_imrs[i] = readl_relaxed(reg_imr1 + i * 4);
+               writel_relaxed(~0, reg_imr1 + i * 4);
+       }
+
+}
+
+void imx_gpc_restore_all(void)
+{
+       void __iomem *reg_imr1 = gpc_base + GPC_IMR1;
+       int i;
+
+       for (i = 0; i < IMR_NUM; i++)
+               writel_relaxed(gpc_saved_imrs[i], reg_imr1 + i * 4);
+}
+
 static void imx_gpc_irq_unmask(struct irq_data *d)
 {
        void __iomem *reg;