Messages in this thread Patch in this message | | | Date | Wed, 23 Nov 2022 11:19:49 +0200 | From | Matti Vaittinen <> | Subject | [PATCH] mfd: rohm-bd*: Use dev_err_probe() |
| |
The dev_err_probe() has (at least) following benefits over dev_err() when printing an error print for a failed function call at a device driver probe: - Omit error level print if error is 'EPRBE_DEFER' - Standardized print format for returned error - return the error value allowing shortening calls like:
if (ret) { dev_err(...); return ret; }
to
if (ret) return dev_err_probe(...);
Convert the ROHM BD71828, ROHM BD718x7 and ROHM BD9576 core drivers to use the dev_err_probe() when returned error is not hard-coded constant.
Signed-off-by: Matti Vaittinen <mazziesaccount@gmail.com> --- drivers/mfd/rohm-bd71828.c | 23 ++++++++++------------- drivers/mfd/rohm-bd718x7.c | 21 ++++++++------------- drivers/mfd/rohm-bd9576.c | 17 ++++++++--------- 3 files changed, 26 insertions(+), 35 deletions(-)
diff --git a/drivers/mfd/rohm-bd71828.c b/drivers/mfd/rohm-bd71828.c index 714d9fcbf07b..ae5430500599 100644 --- a/drivers/mfd/rohm-bd71828.c +++ b/drivers/mfd/rohm-bd71828.c @@ -515,27 +515,24 @@ static int bd71828_i2c_probe(struct i2c_client *i2c) } regmap = devm_regmap_init_i2c(i2c, regmap_config); - if (IS_ERR(regmap)) { - dev_err(&i2c->dev, "Failed to initialize Regmap\n"); - return PTR_ERR(regmap); - } + if (IS_ERR(regmap)) + return dev_err_probe(&i2c->dev, PTR_ERR(regmap), + "Failed to initialize Regmap\n"); ret = devm_regmap_add_irq_chip(&i2c->dev, regmap, i2c->irq, IRQF_ONESHOT, 0, irqchip, &irq_data); - if (ret) { - dev_err(&i2c->dev, "Failed to add IRQ chip\n"); - return ret; - } + if (ret) + return dev_err_probe(&i2c->dev, ret, + "Failed to add IRQ chip\n"); dev_dbg(&i2c->dev, "Registered %d IRQs for chip\n", irqchip->num_irqs); if (button_irq) { ret = regmap_irq_get_virq(irq_data, button_irq); - if (ret < 0) { - dev_err(&i2c->dev, "Failed to get the power-key IRQ\n"); - return ret; - } + if (ret < 0) + return dev_err_probe(&i2c->dev, ret, + "Failed to get the power-key IRQ\n"); button.irq = ret; } @@ -547,7 +544,7 @@ static int bd71828_i2c_probe(struct i2c_client *i2c) ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, mfd, cells, NULL, 0, regmap_irq_get_domain(irq_data)); if (ret) - dev_err(&i2c->dev, "Failed to create subdevices\n"); + dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n"); return ret; } diff --git a/drivers/mfd/rohm-bd718x7.c b/drivers/mfd/rohm-bd718x7.c index bfd81f78beae..1c0f6419ee4f 100644 --- a/drivers/mfd/rohm-bd718x7.c +++ b/drivers/mfd/rohm-bd718x7.c @@ -158,18 +158,15 @@ static int bd718xx_i2c_probe(struct i2c_client *i2c, } regmap = devm_regmap_init_i2c(i2c, &bd718xx_regmap_config); - if (IS_ERR(regmap)) { - dev_err(&i2c->dev, "regmap initialization failed\n"); - return PTR_ERR(regmap); - } + if (IS_ERR(regmap)) + return dev_err_probe(&i2c->dev, PTR_ERR(regmap), + "regmap initialization failed\n"); ret = devm_regmap_add_irq_chip(&i2c->dev, regmap, i2c->irq, IRQF_ONESHOT, 0, &bd718xx_irq_chip, &irq_data); - if (ret) { - dev_err(&i2c->dev, "Failed to add irq_chip\n"); - return ret; - } + if (ret) + return dev_err_probe(&i2c->dev, ret, "Failed to add irq_chip\n"); ret = bd718xx_init_press_duration(regmap, &i2c->dev); if (ret) @@ -177,10 +174,8 @@ static int bd718xx_i2c_probe(struct i2c_client *i2c, ret = regmap_irq_get_virq(irq_data, BD718XX_INT_PWRBTN_S); - if (ret < 0) { - dev_err(&i2c->dev, "Failed to get the IRQ\n"); - return ret; - } + if (ret < 0) + return dev_err_probe(&i2c->dev, ret, "Failed to get the IRQ\n"); button.irq = ret; @@ -188,7 +183,7 @@ static int bd718xx_i2c_probe(struct i2c_client *i2c, mfd, cells, NULL, 0, regmap_irq_get_domain(irq_data)); if (ret) - dev_err(&i2c->dev, "Failed to create subdevices\n"); + dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n"); return ret; } diff --git a/drivers/mfd/rohm-bd9576.c b/drivers/mfd/rohm-bd9576.c index f37cd4f27aeb..c421867af6c9 100644 --- a/drivers/mfd/rohm-bd9576.c +++ b/drivers/mfd/rohm-bd9576.c @@ -122,10 +122,9 @@ static int bd957x_i2c_probe(struct i2c_client *i2c, } regmap = devm_regmap_init_i2c(i2c, &bd957x_regmap); - if (IS_ERR(regmap)) { - dev_err(&i2c->dev, "Failed to initialize Regmap\n"); - return PTR_ERR(regmap); - } + if (IS_ERR(regmap)) + return dev_err_probe(&i2c->dev, PTR_ERR(regmap), + "Failed to initialize Regmap\n"); /* * BD9576 behaves badly. It kepts IRQ line asserted for the whole @@ -146,10 +145,10 @@ static int bd957x_i2c_probe(struct i2c_client *i2c, ret = devm_regmap_add_irq_chip(&i2c->dev, regmap, i2c->irq, IRQF_ONESHOT, 0, &bd9576_irq_chip, &irq_data); - if (ret) { - dev_err(&i2c->dev, "Failed to add IRQ chip\n"); - return ret; - } + if (ret) + return dev_err_probe(&i2c->dev, ret, + "Failed to add IRQ chip\n"); + domain = regmap_irq_get_domain(irq_data); } else { ret = regmap_update_bits(regmap, BD957X_REG_INT_MAIN_MASK, @@ -163,7 +162,7 @@ static int bd957x_i2c_probe(struct i2c_client *i2c, ret = devm_mfd_add_devices(&i2c->dev, PLATFORM_DEVID_AUTO, cells, num_cells, NULL, 0, domain); if (ret) - dev_err(&i2c->dev, "Failed to create subdevices\n"); + dev_err_probe(&i2c->dev, ret, "Failed to create subdevices\n"); return ret; } base-commit: 094226ad94f471a9f19e8f8e7140a09c2625abaa -- 2.38.1
-- Matti Vaittinen, Linux device drivers ROHM Semiconductors, Finland SWDC Kiviharjunlenkki 1E 90220 OULU FINLAND
~~~ "I don't think so," said Rene Descartes. Just then he vanished ~~~ Simon says - in Latin please. ~~~ "non cogito me" dixit Rene Descarte, deinde evanescavit ~~~ Thanks to Simon Glass for the translation =] [unhandled content-type:application/pgp-signature] | |