From: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org
commit f050e56de80591fee55bedbdf5b6b998c740cd0c upstream.
The driver's probe() first registers regulators in a loop and then in a second loop passes them as irq data to the interrupt handlers. However the function to get the regulator for given name tps65219_get_rdev_by_name() was a no-op due to argument passed by value, not pointer, thus the second loop assigned always same value - from previous loop. The interrupts, when fired, where executed with wrong data. Compiler also noticed it:
drivers/regulator/tps65219-regulator.c: In function ‘tps65219_get_rdev_by_name’: drivers/regulator/tps65219-regulator.c:292:60: error: parameter ‘dev’ set but not used [-Werror=unused-but-set-parameter]
Fixes: c12ac5fc3e0a ("regulator: drivers: Add TI TPS65219 PMIC regulators support") Cc: <stable@vger.kernel.org Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org Reviewed-by: Markus Schneider-Pargmann <msp@baylibre.com Link: https://lore.kernel.org/r/20230507144656.192800-1-krzysztof.kozlowski@linaro... Signed-off-by: Mark Brown <broonie@kernel.org Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/regulator/tps65219-regulator.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-)
--- a/drivers/regulator/tps65219-regulator.c +++ b/drivers/regulator/tps65219-regulator.c @@ -289,13 +289,13 @@ static irqreturn_t tps65219_regulator_ir
static int tps65219_get_rdev_by_name(const char *regulator_name, struct regulator_dev *rdevtbl[7], - struct regulator_dev *dev) + struct regulator_dev **dev) { int i;
for (i = 0; i < ARRAY_SIZE(regulators); i++) { if (strcmp(regulator_name, regulators[i].name) == 0) { - dev = rdevtbl[i]; + *dev = rdevtbl[i]; return 0; } } @@ -348,7 +348,7 @@ static int tps65219_regulator_probe(stru irq_data[i].dev = tps->dev; irq_data[i].type = irq_type;
- tps65219_get_rdev_by_name(irq_type->regulator_name, rdevtbl, rdev); + tps65219_get_rdev_by_name(irq_type->regulator_name, rdevtbl, &rdev); if (IS_ERR(rdev)) { dev_err(tps->dev, "Failed to get rdev for %s\n", irq_type->regulator_name);