ARM: DRA7xx: Do not enable srcomp for DRA7xx Soc's

Slew rate compensation cells are not present for DRA7xx
Soc's. So return from function srcomp_enable() if soc is not
OMAP54xx.

Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>

diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c
index afb700022734b9efa4fa2327eeb3a4e819e55139..40dbf45705ef93cc9a4f4ce6b31037d47015185d 100644 (file)
--- a/arch/arm/cpu/armv7/omap5/hwinit.c
+++ b/arch/arm/cpu/armv7/omap5/hwinit.c
@@ -201,6 +201,9 @@ void srcomp_enable(void)
        u32 sysclk_ind  = get_sys_clk_index();
        u32 omap_rev    = omap_revision();
 
+       if (!is_omap54xx())
+               return;
+
        mul_factor = srcomp_parameters[sysclk_ind].multiply_factor;
        div_factor = srcomp_parameters[sysclk_ind].divide_factor;
 

diff --git a/arch/arm/include/asm/omap_common.h b/arch/arm/include/asm/omap_common.h
index f51fccce5911cff57aca6fa3e974309d8f8260d0..f33f28baf0941dfaa79ff323d5f0671bb8ab027e 100644 (file)
--- a/arch/arm/include/asm/omap_common.h
+++ b/arch/arm/include/asm/omap_common.h
@@ -597,6 +597,14 @@ static inline u32 omap_revision(void)
        extern u32 *const omap_si_rev;
        return *omap_si_rev;
 }
+
+#define OMAP54xx       0x54000000
+
+static inline u8 is_omap54xx(void)
+{
+       extern u32 *const omap_si_rev;
+       return ((*omap_si_rev & 0xFF000000) == OMAP54xx);
+}
 #endif
 
 /*