1 files changed, 16 insertions, 4 deletions

diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 4b6e5157520f..d601f9405d11 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -65,9 +65,11 @@ static struct omap_mcbsp_platform_data omap2420_mcbsp_pdata[] = {
         },
 };
 #define OMAP2420_MCBSP_PDATA_SZ         ARRAY_SIZE(omap2420_mcbsp_pdata)
+#define OMAP2420_MCBSP_REG_NUM          (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
 #else
 #define omap2420_mcbsp_pdata            NULL
 #define OMAP2420_MCBSP_PDATA_SZ         0
+#define OMAP2420_MCBSP_REG_NUM          0
 #endif
 
 #ifdef CONFIG_ARCH_OMAP2430
@@ -114,9 +116,11 @@ static struct omap_mcbsp_platform_data omap2430_mcbsp_pdata[] = {
         },
 };
 #define OMAP2430_MCBSP_PDATA_SZ         ARRAY_SIZE(omap2430_mcbsp_pdata)
+#define OMAP2430_MCBSP_REG_NUM          (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
 #else
 #define omap2430_mcbsp_pdata            NULL
 #define OMAP2430_MCBSP_PDATA_SZ         0
+#define OMAP2430_MCBSP_REG_NUM          0
 #endif
 
 #ifdef CONFIG_ARCH_OMAP3
@@ -168,9 +172,11 @@ static struct omap_mcbsp_platform_data omap34xx_mcbsp_pdata[] = {
         },
 };
 #define OMAP34XX_MCBSP_PDATA_SZ         ARRAY_SIZE(omap34xx_mcbsp_pdata)
+#define OMAP34XX_MCBSP_REG_NUM          (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
 #else
 #define omap34xx_mcbsp_pdata            NULL
 #define OMAP34XX_MCBSP_PDATA_SZ         0
+#define OMAP34XX_MCBSP_REG_NUM          0
 #endif
 
 static struct omap_mcbsp_platform_data omap44xx_mcbsp_pdata[] = {
@@ -208,17 +214,23 @@ static struct omap_mcbsp_platform_data omap44xx_mcbsp_pdata[] = {
         },
 };
 #define OMAP44XX_MCBSP_PDATA_SZ         ARRAY_SIZE(omap44xx_mcbsp_pdata)
+#define OMAP44XX_MCBSP_REG_NUM          (OMAP_MCBSP_REG_RCCR / sizeof(u32) + 1)
 
 static int __init omap2_mcbsp_init(void)
 {
-        if (cpu_is_omap2420())
+        if (cpu_is_omap2420()) {
                 omap_mcbsp_count = OMAP2420_MCBSP_PDATA_SZ;
-        if (cpu_is_omap2430())
+                omap_mcbsp_cache_size = OMAP2420_MCBSP_REG_NUM * sizeof(u16);
+        } else if (cpu_is_omap2430()) {
                 omap_mcbsp_count = OMAP2430_MCBSP_PDATA_SZ;
-        if (cpu_is_omap34xx())
+                omap_mcbsp_cache_size = OMAP2430_MCBSP_REG_NUM * sizeof(u32);
+        } else if (cpu_is_omap34xx()) {
                 omap_mcbsp_count = OMAP34XX_MCBSP_PDATA_SZ;
-        if (cpu_is_omap44xx())
+                omap_mcbsp_cache_size = OMAP34XX_MCBSP_REG_NUM * sizeof(u32);
+        } else if (cpu_is_omap44xx()) {
                 omap_mcbsp_count = OMAP44XX_MCBSP_PDATA_SZ;
+                omap_mcbsp_cache_size = OMAP44XX_MCBSP_REG_NUM * sizeof(u32);
+        }
 
         mcbsp_ptr = kzalloc(omap_mcbsp_count * sizeof(struct omap_mcbsp *),
                                                                 GFP_KERNEL);