diff options
Diffstat (limited to 'drivers/power/reset/qcom-pon.c')
| -rw-r--r-- | drivers/power/reset/qcom-pon.c | 50 |
1 files changed, 29 insertions, 21 deletions
diff --git a/drivers/power/reset/qcom-pon.c b/drivers/power/reset/qcom-pon.c index 16bc01738be9..7e108982a582 100644 --- a/drivers/power/reset/qcom-pon.c +++ b/drivers/power/reset/qcom-pon.c @@ -17,7 +17,9 @@ #define GEN1_REASON_SHIFT 2 #define GEN2_REASON_SHIFT 1 -struct pm8916_pon { +#define NO_REASON_SHIFT 0 + +struct qcom_pon { struct device *dev; struct regmap *regmap; u32 baseaddr; @@ -25,11 +27,11 @@ struct pm8916_pon { long reason_shift; }; -static int pm8916_reboot_mode_write(struct reboot_mode_driver *reboot, +static int qcom_pon_reboot_mode_write(struct reboot_mode_driver *reboot, unsigned int magic) { - struct pm8916_pon *pon = container_of - (reboot, struct pm8916_pon, reboot_mode); + struct qcom_pon *pon = container_of + (reboot, struct qcom_pon, reboot_mode); int ret; ret = regmap_update_bits(pon->regmap, @@ -42,9 +44,10 @@ static int pm8916_reboot_mode_write(struct reboot_mode_driver *reboot, return ret; } -static int pm8916_pon_probe(struct platform_device *pdev) +static int qcom_pon_probe(struct platform_device *pdev) { - struct pm8916_pon *pon; + struct qcom_pon *pon; + long reason_shift; int error; pon = devm_kzalloc(&pdev->dev, sizeof(*pon), GFP_KERNEL); @@ -64,13 +67,17 @@ static int pm8916_pon_probe(struct platform_device *pdev) if (error) return error; - pon->reboot_mode.dev = &pdev->dev; - pon->reason_shift = (long)of_device_get_match_data(&pdev->dev); - pon->reboot_mode.write = pm8916_reboot_mode_write; - error = devm_reboot_mode_register(&pdev->dev, &pon->reboot_mode); - if (error) { - dev_err(&pdev->dev, "can't register reboot mode\n"); - return error; + reason_shift = (long)of_device_get_match_data(&pdev->dev); + + if (reason_shift != NO_REASON_SHIFT) { + pon->reboot_mode.dev = &pdev->dev; + pon->reason_shift = reason_shift; + pon->reboot_mode.write = qcom_pon_reboot_mode_write; + error = devm_reboot_mode_register(&pdev->dev, &pon->reboot_mode); + if (error) { + dev_err(&pdev->dev, "can't register reboot mode\n"); + return error; + } } platform_set_drvdata(pdev, pon); @@ -78,23 +85,24 @@ static int pm8916_pon_probe(struct platform_device *pdev) return devm_of_platform_populate(&pdev->dev); } -static const struct of_device_id pm8916_pon_id_table[] = { +static const struct of_device_id qcom_pon_id_table[] = { { .compatible = "qcom,pm8916-pon", .data = (void *)GEN1_REASON_SHIFT }, + { .compatible = "qcom,pm8941-pon", .data = (void *)NO_REASON_SHIFT }, { .compatible = "qcom,pms405-pon", .data = (void *)GEN1_REASON_SHIFT }, { .compatible = "qcom,pm8998-pon", .data = (void *)GEN2_REASON_SHIFT }, { .compatible = "qcom,pmk8350-pon", .data = (void *)GEN2_REASON_SHIFT }, { } }; -MODULE_DEVICE_TABLE(of, pm8916_pon_id_table); +MODULE_DEVICE_TABLE(of, qcom_pon_id_table); -static struct platform_driver pm8916_pon_driver = { - .probe = pm8916_pon_probe, +static struct platform_driver qcom_pon_driver = { + .probe = qcom_pon_probe, .driver = { - .name = "pm8916-pon", - .of_match_table = of_match_ptr(pm8916_pon_id_table), + .name = "qcom-pon", + .of_match_table = qcom_pon_id_table, }, }; -module_platform_driver(pm8916_pon_driver); +module_platform_driver(qcom_pon_driver); -MODULE_DESCRIPTION("pm8916 Power On driver"); +MODULE_DESCRIPTION("Qualcomm Power On driver"); MODULE_LICENSE("GPL v2"); |