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regulator: TPS65910: Create an array for init data

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Create an array of fixed size for the platform to pass regulator
initalization data through.

Passing an array of pointers to init data also allows more flexible
definition of init data as well as prevents reading past the end of the
array should the platform define an incorrectly sized array.

Signed-off-by: Kyle Manna <kyle.manna@fuel7.com>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
This commit is contained in:
Kyle Manna 2011-11-03 12:08:06 -05:00 committed by Mark Brown
parent 72c108cc49
commit c1fc148024
2 changed files with 14 additions and 4 deletions
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13
drivers/regulator/tps65910-regulator.c
View File

@ -861,8 +861,6 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
if (!pmic_plat_data)
return -EINVAL;
reg_data = pmic_plat_data->tps65910_pmic_init_data;
pmic = kzalloc(sizeof(*pmic), GFP_KERNEL);
if (!pmic)
return -ENOMEM;
@ -913,7 +911,16 @@ static __devinit int tps65910_probe(struct platform_device *pdev)
goto err_free_info;
}
for (i = 0; i < pmic->num_regulators; i++, info++, reg_data++) {
for (i = 0; i < pmic->num_regulators && i < TPS65910_NUM_REGS;
i++, info++) {
reg_data = pmic_plat_data->tps65910_pmic_init_data[i];
/* Regulator API handles empty constraints but not NULL
* constraints */
if (!reg_data)
continue;
/* Register the regulators */
pmic->info[i] = info;

5
include/linux/mfd/tps65910.h
View File

@ -764,6 +764,9 @@
#define TPS65911_REG_LDO7 11
#define TPS65911_REG_LDO8 12
/* Max number of TPS65910/11 regulators */
#define TPS65910_NUM_REGS 13
/**
* struct tps65910_board
* Board platform data may be used to initialize regulators.
@ -775,7 +778,7 @@ struct tps65910_board {
int irq_base;
int vmbch_threshold;
int vmbch2_threshold;
struct regulator_init_data *tps65910_pmic_init_data;
struct regulator_init_data *tps65910_pmic_init_data[TPS65910_NUM_REGS];
};
/**