Merge "memdump_v2: add support to dump miscellaneous registers" (a68ab469) · Commits · e / devices / android_kernel_sony_msm8994

drivers/soc/qcom/common_log.c

+38 −0

Original line number	Diff line number	Diff line
		@@ -18,6 +18,43 @@
		#include <linux/slab.h>
		#include <soc/qcom/memory_dump.h>

		#define MISC_DUMP_DATA_LEN 4096

		void register_misc_dump(void)
		{
		void *misc_buf;
		int ret;
		struct msm_dump_entry dump_entry;
		struct msm_dump_data *misc_data;

		if (MSM_DUMP_MAJOR(msm_dump_table_version()) > 1) {
		misc_data = kzalloc(sizeof(struct msm_dump_data), GFP_KERNEL);
		if (!misc_data) {
		pr_err("misc dump data structure allocation failed\n");
		return;
		}
		misc_buf = kzalloc(MISC_DUMP_DATA_LEN, GFP_KERNEL);
		if (!misc_buf) {
		pr_err("misc buffer space allocation failed\n");
		goto err0;
		}
		misc_data->addr = virt_to_phys(misc_buf);
		misc_data->len = MISC_DUMP_DATA_LEN;
		dump_entry.id = MSM_DUMP_DATA_MISC;
		dump_entry.addr = virt_to_phys(misc_data);
		ret = msm_dump_data_register(MSM_DUMP_TABLE_APPS, &dump_entry);
		if (ret) {
		pr_err("Registering misc dump region failed\n");
		goto err1;
		}
		return;
		err1:
		kfree(misc_buf);
		err0:
		kfree(misc_data);
		}
		}

		static void __init common_log_register_log_buf(void)
		{
		char **log_bufp;
		@@ -84,6 +121,7 @@ static void __init common_log_register_log_buf(void)
		static int __init msm_common_log_init(void)
		{
		common_log_register_log_buf();
		register_misc_dump();
		return 0;
		}
		late_initcall(msm_common_log_init);

+1 −0