[PATCH V5] regulator: da9062: Make the use of IRQ optional

Christoph Niedermaier
2023-07-13T09:21:47Z

This patch makes the use of IRQ optional to make the DA9061/62 usable
for designs that don't have the IRQ pin connected, because the regulator
is usable without IRQ.

Signed-off-by: Christoph Niedermaier <cniedermaier@dh-electronics.com>
Acked-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Adam Ward <DLG-Adam.Ward.opensource@dm.renesas.com>
Reviewed-by: Marek Vasut <marex@denx.de>
Reported-by: kernel test robot <lkp@intel.com>
Link: https://lore.kernel.org/oe-kbuild-all/202303082246.GuLdPL0t-lkp@intel.com/
---
Cc: Support Opensource <support.opensource@diasemi.com>
Cc: Adam Thomson <Adam.Thomson.Opensource@diasemi.com>
Cc: Liam Girdwood <lgirdwood@gmail.com>
Cc: Mark Brown <broonie@kernel.org>
Cc: Marek Vasut <marex@denx.de>
Cc: kernel@dh-electronics.com
Cc: linux-kernel@vger.kernel.org
To: linux-arm-kernel@lists.infradead.org
---
V2: - Rebase on current next 20230209
- Add Reviewed-by and Acked-by tags
V3: - Rebase on current next 20230307
v4: - Rebase on current next 20230309
- Fix a missing variable change reported by kernel test robot
v5: - Rebase on current next 20230713
- Add Marek's Reviewed-by tag
---
drivers/regulator/da9062-regulator.c | 11 +++++------
1 file changed, 5 insertions(+), 6 deletions(-)

diff --git a/drivers/regulator/da9062-regulator.c b/drivers/regulator/da9062-regulator.c
index c28b061eef02..1d354db0c1bd 100644
--- a/drivers/regulator/da9062-regulator.c
+++ b/drivers/regulator/da9062-regulator.c
@@ -924,7 +924,7 @@ static int da9062_regulator_probe(struct platform_device *pdev)
struct da9062_regulator *regl;
struct regulator_config config = { };
const struct da9062_regulator_info *rinfo;
- int irq, n, ret;
+ int n, ret;
int max_regulators;

switch (chip->chip_type) {
@@ -1012,12 +1012,11 @@ static int da9062_regulator_probe(struct platform_device *pdev)
}

/* LDOs overcurrent event support */
- irq = platform_get_irq_byname(pdev, "LDO_LIM");
- if (irq < 0)
- return irq;
- regulators->irq_ldo_lim = irq;
+ regulators->irq_ldo_lim = platform_get_irq_byname_optional(pdev, "LDO_LIM");
+ if (regulators->irq_ldo_lim < 0)
+ return 0;

- ret = devm_request_threaded_irq(&pdev->dev, irq,
+ ret = devm_request_threaded_irq(&pdev->dev, regulators->irq_ldo_lim,
NULL, da9062_ldo_lim_event,
IRQF_TRIGGER_LOW | IRQF_ONESHOT,
"LDO_LIM", regulators);
--
2.11.0