Merge "regulator: cpr-regulator: add a linked list for cpr-regulator devices" (33aaa73a) · Commits · e / devices / android_kernel_sony_msm8994

drivers/regulator/cpr-regulator.c

+13 −0

Original line number	Diff line number	Diff line
		@@ -17,6 +17,7 @@
		#include <linux/err.h>
		#include <linux/string.h>
		#include <linux/kernel.h>
		#include <linux/list.h>
		#include <linux/init.h>
		#include <linux/io.h>
		#include <linux/bitops.h>
		@@ -192,6 +193,7 @@ enum voltage_change_dir {
		};

		struct cpr_regulator {
		struct list_head list;
		struct regulator_desc rdesc;
		struct regulator_dev *rdev;
		bool vreg_enabled;
		@@ -275,6 +277,9 @@ static int cpr_debug_enable = CPR_DEBUG_MASK_IRQ;
		static struct dentry *cpr_debugfs_base;
		#endif

		static DEFINE_MUTEX(cpr_regulator_list_mutex);
		static LIST_HEAD(cpr_regulator_list);

		module_param_named(debug_enable, cpr_debug_enable, int, S_IRUGO \| S_IWUSR);
		#define cpr_debug(message, ...) \
		do { \
		@@ -2837,6 +2842,10 @@ static int cpr_regulator_probe(struct platform_device *pdev)
		platform_set_drvdata(pdev, cpr_vreg);
		cpr_debugfs_init(cpr_vreg);

		mutex_lock(&cpr_regulator_list_mutex);
		list_add(&cpr_vreg->list, &cpr_regulator_list);
		mutex_unlock(&cpr_regulator_list_mutex);

		return 0;

		err_out:
		@@ -2856,6 +2865,10 @@ static int cpr_regulator_remove(struct platform_device *pdev)
		cpr_irq_set(cpr_vreg, 0);
		}

		mutex_lock(&cpr_regulator_list_mutex);
		list_del(&cpr_vreg->list);
		mutex_unlock(&cpr_regulator_list_mutex);

		cpr_apc_exit(cpr_vreg);
		cpr_debugfs_remove(cpr_vreg);
		regulator_unregister(cpr_vreg->rdev);