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authorEmil Renner Berthing <kernel@esmil.dk>2021-07-27 12:25:52 +0300
committerLee Jones <lee.jones@linaro.org>2021-08-16 15:40:26 +0300
commite06f4abb1b79b31b712dc865f8ffc0e20ef2c416 (patch)
tree2a371c195e672334b29708c9fb2a930e5bdd1994 /drivers/mfd
parent68f0ba70ded62fa0d678922386ae82c689a737a4 (diff)
downloadlinux-e06f4abb1b79b31b712dc865f8ffc0e20ef2c416.tar.xz
mfd: tps65086: Make interrupt line optional
The BeagleV Starlight v0.9 board[1] doesn't have the IRQB line routed to the SoC, but it is still useful to be able to reach the PMIC over I2C for the other functionality it provides such as GPIOs and regulator settings. [1] https://github.com/beagleboard/beaglev-starlight Signed-off-by: Emil Renner Berthing <kernel@esmil.dk> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org>
Diffstat (limited to 'drivers/mfd')
-rw-r--r--drivers/mfd/tps65086.c21
1 files changed, 11 insertions, 10 deletions
diff --git a/drivers/mfd/tps65086.c b/drivers/mfd/tps65086.c
index 341466ef20cc..cc3478ee9a64 100644
--- a/drivers/mfd/tps65086.c
+++ b/drivers/mfd/tps65086.c
@@ -100,29 +100,30 @@ static int tps65086_probe(struct i2c_client *client,
(char)((version & TPS65086_DEVICEID_OTP_MASK) >> 4) + 'A',
(version & TPS65086_DEVICEID_REV_MASK) >> 6);
- ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
- &tps65086_irq_chip, &tps->irq_data);
- if (ret) {
- dev_err(tps->dev, "Failed to register IRQ chip\n");
- return ret;
+ if (tps->irq > 0) {
+ ret = regmap_add_irq_chip(tps->regmap, tps->irq, IRQF_ONESHOT, 0,
+ &tps65086_irq_chip, &tps->irq_data);
+ if (ret) {
+ dev_err(tps->dev, "Failed to register IRQ chip\n");
+ return ret;
+ }
}
ret = mfd_add_devices(tps->dev, PLATFORM_DEVID_AUTO, tps65086_cells,
ARRAY_SIZE(tps65086_cells), NULL, 0,
regmap_irq_get_domain(tps->irq_data));
- if (ret) {
+ if (ret && tps->irq > 0)
regmap_del_irq_chip(tps->irq, tps->irq_data);
- return ret;
- }
- return 0;
+ return ret;
}
static int tps65086_remove(struct i2c_client *client)
{
struct tps65086 *tps = i2c_get_clientdata(client);
- regmap_del_irq_chip(tps->irq, tps->irq_data);
+ if (tps->irq > 0)
+ regmap_del_irq_chip(tps->irq, tps->irq_data);
return 0;
}