msm: rtb: Convert RTB to platform device
Rather than have the size for rtb fixed in the driver,
make rtb be a platform device so the size can be passed
in as platform data. A module parameter isn't enough
since the contiguous block of memory needs to be pre-reserved.
Change-Id: I0c8f9534bb5a86f2573c85df6be7a236ff1d3691
Signed-off-by: Laura Abbott <lauraa@codeaurora.org>
diff --git a/arch/arm/mach-msm/board-8960.c b/arch/arm/mach-msm/board-8960.c
index a28ba9f..b207db9 100644
--- a/arch/arm/mach-msm/board-8960.c
+++ b/arch/arm/mach-msm/board-8960.c
@@ -79,6 +79,7 @@
#include <mach/ion.h>
#include <mach/mdm2.h>
#include <mach/mdm-peripheral.h>
+#include <mach/msm_rtb.h>
#include <linux/fmem.h>
@@ -270,6 +271,38 @@
},
};
+#if defined(CONFIG_MSM_RTB)
+static struct msm_rtb_platform_data msm_rtb_pdata = {
+ .size = SZ_1M,
+};
+
+static int __init msm_rtb_set_buffer_size(char *p)
+{
+ int s;
+
+ s = memparse(p, NULL);
+ msm_rtb_pdata.size = ALIGN(s, SZ_4K);
+ return 0;
+}
+early_param("msm_rtb_size", msm_rtb_set_buffer_size);
+
+
+static struct platform_device msm_rtb_device = {
+ .name = "msm_rtb",
+ .id = -1,
+ .dev = {
+ .platform_data = &msm_rtb_pdata,
+ },
+};
+#endif
+
+static void __init reserve_rtb_memory(void)
+{
+#if defined(CONFIG_MSM_RTB)
+ msm8960_reserve_table[MEMTYPE_EBI1].size += msm_rtb_pdata.size;
+#endif
+}
+
static void __init size_pmem_devices(void)
{
#ifdef CONFIG_ANDROID_PMEM
@@ -543,6 +576,7 @@
reserve_pmem_memory();
reserve_ion_memory();
reserve_mdp_memory();
+ reserve_rtb_memory();
}
static struct reserve_info msm8960_reserve_info __initdata = {
@@ -1950,6 +1984,9 @@
#endif
&msm_device_dspcrashd_8960,
&msm8960_device_watchdog,
+#ifdef CONFIG_MSM_RTB
+ &msm_rtb_device,
+#endif
};
static struct platform_device *sim_devices[] __initdata = {