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staging: hikey9xx: hi6421-spmi-pmic: cleanup probe code 

Cleanup the error handling code, making the messages more
consistent and removing an uneeded call to free_irq().

While here, also remove debug messages and make the
error messages more consistent.

Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>
Link: https://lore.kernel.org/r/651b4053599b9f25efecac3b1d4ce6abce0bd097.1611949675.git.mchehab+huawei@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Mauro Carvalho Chehab 2021-01-29 20:51:50 +01:00 committed by Greg Kroah-Hartman
parent fcd732406c
commit a2e904fc59
1 changed files with 16 additions and 34 deletions
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50
drivers/staging/hikey9xx/hi6421-spmi-pmic.c
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@ -154,7 +154,7 @@ static void hi6421_spmi_pmic_irq_prc(struct hi6421_spmi_pmic *ddata)
}
}
static const struct regmap_config spmi_regmap_config = {
static const struct regmap_config regmap_config = {
.reg_bits = 16,
.val_bits = 8,
.max_register = 0xffff,
@ -166,7 +166,6 @@ static int hi6421_spmi_pmic_probe(struct spmi_device *pdev)
struct device *dev = &pdev->dev;
struct device_node *np = dev->of_node;
struct hi6421_spmi_pmic *ddata;
struct regmap *map;
unsigned int virq;
int ret, i;
@ -174,14 +173,13 @@ static int hi6421_spmi_pmic_probe(struct spmi_device *pdev)
if (!ddata)
return -ENOMEM;
map = devm_regmap_init_spmi_ext(pdev, &spmi_regmap_config);
if (IS_ERR(map))
return PTR_ERR(map);
ddata->regmap = devm_regmap_init_spmi_ext(pdev, &regmap_config);
if (IS_ERR(ddata->regmap))
return PTR_ERR(ddata->regmap);
spin_lock_init(&ddata->lock);
ddata->dev = dev;
ddata->regmap = map;
ddata->gpio = of_get_gpio(np, 0);
if (ddata->gpio < 0)
@ -192,7 +190,7 @@ static int hi6421_spmi_pmic_probe(struct spmi_device *pdev)
ret = devm_gpio_request_one(dev, ddata->gpio, GPIOF_IN, "pmic");
if (ret < 0) {
dev_err(dev, "failed to request gpio%d\n", ddata->gpio);
dev_err(dev, "Failed to request gpio%d\n", ddata->gpio);
return ret;
}
@ -201,57 +199,41 @@ static int hi6421_spmi_pmic_probe(struct spmi_device *pdev)
hi6421_spmi_pmic_irq_prc(ddata);
ddata->irqs = devm_kzalloc(dev, HISI_IRQ_NUM * sizeof(int), GFP_KERNEL);
if (!ddata->irqs) {
ret = -ENOMEM;
goto irq_malloc;
}
if (!ddata->irqs)
return -ENOMEM;
ddata->domain = irq_domain_add_simple(np, HISI_IRQ_NUM, 0,
&hi6421_spmi_domain_ops, ddata);
if (!ddata->domain) {
dev_err(dev, "failed irq domain add simple!\n");
ret = -ENODEV;
goto irq_malloc;
dev_err(dev, "Failed to create IRQ domain\n");
return -ENODEV;
}
for (i = 0; i < HISI_IRQ_NUM; i++) {
virq = irq_create_mapping(ddata->domain, i);
if (!virq) {
dev_err(dev, "Failed mapping hwirq\n");
ret = -ENOSPC;
goto irq_malloc;
dev_err(dev, "Failed to map H/W IRQ\n");
return -ENOSPC;
}
ddata->irqs[i] = virq;
dev_dbg(dev, "%s: ddata->irqs[%d] = %d\n",
__func__, i, ddata->irqs[i]);
}
ret = request_threaded_irq(ddata->irq, hi6421_spmi_irq_handler, NULL,
IRQF_TRIGGER_LOW | IRQF_SHARED | IRQF_NO_SUSPEND,
"pmic", ddata);
if (ret < 0) {
dev_err(dev, "could not claim pmic IRQ: error %d\n", ret);
goto irq_malloc;
dev_err(dev, "Failed to start IRQ handling thread: error %d\n",
ret);
return ret;
}
dev_set_drvdata(&pdev->dev, ddata);
/*
* The logic below will rely that the ddata is already stored at
* drvdata.
*/
dev_dbg(&pdev->dev, "SPMI-PMIC: adding children for %pOF\n",
pdev->dev.of_node);
ret = devm_mfd_add_devices(&pdev->dev, PLATFORM_DEVID_NONE,
hi6421v600_devs, ARRAY_SIZE(hi6421v600_devs),
NULL, 0, NULL);
if (!ret)
return 0;
dev_err(dev, "Failed to add child devices: %d\n", ret);
irq_malloc:
free_irq(ddata->irq, ddata);
if (ret < 0)
dev_err(dev, "Failed to add child devices: %d\n", ret);
return ret;
}