Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...

[pandora-kernel.git] / arch / arm / mach-omap2 / prcm.c

diff --git a/arch/arm/mach-omap2/prcm.c b/arch/arm/mach-omap2/prcm.c
index 96f4616..a51846e 100644 (file)
--- a/arch/arm/mach-omap2/prcm.c
+++ b/arch/arm/mach-omap2/prcm.c
@@ -26,7 +26,6 @@
 #include <plat/common.h>
 #include <plat/prcm.h>
 #include <plat/irqs.h>
-#include <plat/control.h>
 
 #include "clock.h"
 #include "clock2xxx.h"
@@ -34,6 +33,7 @@
 #include "prm.h"
 #include "prm-regbits-24xx.h"
 #include "prm-regbits-44xx.h"
+#include "control.h"
 
 static void __iomem *prm_base;
 static void __iomem *cm_base;
@@ -119,7 +119,7 @@ struct omap3_prcm_regs {
        u32 wkup_pm_wken;
 };
 
-struct omap3_prcm_regs prcm_context;
+static struct omap3_prcm_regs prcm_context;
 
 u32 omap_prcm_get_reset_sources(void)
 {
@@ -216,6 +216,30 @@ u32 prm_read_mod_bits_shift(s16 domain, s16 idx, u32 mask)
        return v;
 }
 
+/* Read a PRM register, AND it, and shift the result down to bit 0 */
+u32 omap4_prm_read_bits_shift(void __iomem *reg, u32 mask)
+{
+       u32 v;
+
+       v = __raw_readl(reg);
+       v &= mask;
+       v >>= __ffs(mask);
+
+       return v;
+}
+
+/* Read-modify-write a register in a PRM module. Caller must lock */
+u32 omap4_prm_rmw_reg_bits(u32 mask, u32 bits, void __iomem *reg)
+{
+       u32 v;
+
+       v = __raw_readl(reg);
+       v &= ~mask;
+       v |= bits;
+       __raw_writel(v, reg);
+
+       return v;
+}
 /* Read a register in a CM module */
 u32 cm_read_mod_reg(s16 module, u16 idx)
 {