msm: board-7627a: Feed in reserved sizes via variable

ION reservation at boot-time is subject to change via
early parameter or dynamically at runtime. So, let's
not define all the sizes rigidly via macros, instead
use variables.

Change-Id: I46ac6ad2365e45de264041cf11a6c9daba837779
Signed-off-by: Chintan Pandya <cpandya@codeaurora.org>
(cherry picked from commit cb0a07a12c002d2f4d757466663c67bc34cb3152)

Signed-off-by: Sudhir Sharma <sudsha@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-qrd7627a.c b/arch/arm/mach-msm/board-qrd7627a.c
index 394e437..fec1f63 100644
--- a/arch/arm/mach-msm/board-qrd7627a.c
+++ b/arch/arm/mach-msm/board-qrd7627a.c
@@ -132,12 +132,12 @@
 #define MSM_PMEM_MDP_SIZE       0x1B00000
 #define MSM_PMEM_ADSP_SIZE      0x1200000
 
-#define MSM_ION_AUDIO_SIZE	(MSM_PMEM_AUDIO_SIZE + PMEM_KERNEL_EBI1_SIZE)
-#define MSM_ION_CAMERA_SIZE	MSM_PMEM_ADSP_SIZE
-#define MSM_ION_SF_SIZE		MSM_PMEM_MDP_SIZE
-#define MSM_ION_HEAP_NUM	4
 #ifdef CONFIG_ION_MSM
+#define MSM_ION_HEAP_NUM	4
 static struct platform_device ion_dev;
+static int msm_ion_camera_size;
+static int msm_ion_audio_size;
+static int msm_ion_sf_size;
 #endif
 #endif
 
@@ -786,6 +786,15 @@
 }
 early_param("pmem_audio_size", pmem_audio_size_setup);
 
+static void fix_sizes(void)
+{
+#ifdef CONFIG_ION_MSM
+	msm_ion_camera_size = pmem_adsp_size;
+	msm_ion_audio_size = (MSM_PMEM_AUDIO_SIZE + PMEM_KERNEL_EBI1_SIZE);
+	msm_ion_sf_size = pmem_mdp_size;
+#endif
+}
+
 #ifdef CONFIG_ION_MSM
 #ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
 static struct ion_co_heap_pdata co_ion_pdata = {
@@ -813,7 +822,6 @@
 			.id	= ION_CAMERA_HEAP_ID,
 			.type	= ION_HEAP_TYPE_CARVEOUT,
 			.name	= ION_CAMERA_HEAP_NAME,
-			.size	= MSM_ION_CAMERA_SIZE,
 			.memory_type = ION_EBI_TYPE,
 			.extra_data = (void *)&co_ion_pdata,
 		},
@@ -822,7 +830,6 @@
 			.id	= ION_AUDIO_HEAP_ID,
 			.type	= ION_HEAP_TYPE_CARVEOUT,
 			.name	= ION_AUDIO_HEAP_NAME,
-			.size	= MSM_ION_AUDIO_SIZE,
 			.memory_type = ION_EBI_TYPE,
 			.extra_data = (void *)&co_ion_pdata,
 		},
@@ -831,7 +838,6 @@
 			.id	= ION_SF_HEAP_ID,
 			.type	= ION_HEAP_TYPE_CARVEOUT,
 			.name	= ION_SF_HEAP_NAME,
-			.size	= MSM_ION_SF_SIZE,
 			.memory_type = ION_EBI_TYPE,
 			.extra_data = (void *)&co_ion_pdata,
 		},
@@ -911,19 +917,30 @@
 #endif
 }
 
+static void __init size_ion_devices(void)
+{
+#ifdef CONFIG_MSM_MULTIMEDIA_USE_ION
+	ion_pdata.heaps[1].size = msm_ion_camera_size;
+	ion_pdata.heaps[2].size = msm_ion_audio_size;
+	ion_pdata.heaps[3].size = msm_ion_sf_size;
+#endif
+}
+
 static void __init reserve_ion_memory(void)
 {
 #if defined(CONFIG_ION_MSM) && defined(CONFIG_MSM_MULTIMEDIA_USE_ION)
-	msm7627a_reserve_table[MEMTYPE_EBI1].size += MSM_ION_CAMERA_SIZE;
-	msm7627a_reserve_table[MEMTYPE_EBI1].size += MSM_ION_AUDIO_SIZE;
-	msm7627a_reserve_table[MEMTYPE_EBI1].size += MSM_ION_SF_SIZE;
+	msm7627a_reserve_table[MEMTYPE_EBI1].size += msm_ion_camera_size;
+	msm7627a_reserve_table[MEMTYPE_EBI1].size += msm_ion_audio_size;
+	msm7627a_reserve_table[MEMTYPE_EBI1].size += msm_ion_sf_size;
 #endif
 }
 
 static void __init msm7627a_calculate_reserve_sizes(void)
 {
+	fix_sizes();
 	size_pmem_devices();
 	reserve_pmem_memory();
+	size_ion_devices();
 	reserve_ion_memory();
 	reserve_rtb_memory();
 }