Merge "qcom: common_log: add support to dump PMIC registers" (38fe46f7) · Commits · e / devices / android_kernel_sony_msm8994

drivers/soc/qcom/common_log.c

+38 −0

Original line number	Diff line number	Diff line
		@@ -19,6 +19,7 @@
		#include <soc/qcom/memory_dump.h>

		#define MISC_DUMP_DATA_LEN 4096
		#define PMIC_DUMP_DATA_LEN 4096

		void register_misc_dump(void)
		{
		@@ -55,6 +56,42 @@ err0:
		}
		}

		static void register_pmic_dump(void)
		{
		static void *dump_addr;
		int ret;
		struct msm_dump_entry dump_entry;
		struct msm_dump_data *dump_data;

		if (MSM_DUMP_MAJOR(msm_dump_table_version()) > 1) {
		dump_data = kzalloc(sizeof(struct msm_dump_data), GFP_KERNEL);
		if (!dump_data) {
		pr_err("dump data structure allocation failed\n");
		return;
		}
		dump_addr = kzalloc(PMIC_DUMP_DATA_LEN, GFP_KERNEL);
		if (!dump_addr) {
		pr_err("buffer space allocation failed\n");
		goto err0;
		}

		dump_data->addr = virt_to_phys(dump_addr);
		dump_data->len = PMIC_DUMP_DATA_LEN;
		dump_entry.id = MSM_DUMP_DATA_PMIC;
		dump_entry.addr = virt_to_phys(dump_data);
		ret = msm_dump_data_register(MSM_DUMP_TABLE_APPS, &dump_entry);
		if (ret) {
		pr_err("Registering pmic dump region failed\n");
		goto err1;
		}
		return;
		err1:
		kfree(dump_addr);
		err0:
		kfree(dump_data);
		}
		}

		static void __init common_log_register_log_buf(void)
		{
		char **log_bufp;
		@@ -122,6 +159,7 @@ static int __init msm_common_log_init(void)
		{
		common_log_register_log_buf();
		register_misc_dump();
		register_pmic_dump();
		return 0;
		}
		late_initcall(msm_common_log_init);

+1 −0