X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fhwmon%2Fvt1211.c;h=7dfcc8dd316dcadceb4362b13aaf877f9e0e7d79;hb=0c3b091b9a7a5184011e75afa7f0206d288ddb06;hp=89c23d6add7be174190cbc90f2cf2f1b25d2be10;hpb=42eaf0d8f2e7b8201afc00b0ebe1bd89ea51d42d;p=linux-2.6-omap-h63xx.git diff --git a/drivers/hwmon/vt1211.c b/drivers/hwmon/vt1211.c index 89c23d6add7..7dfcc8dd316 100644 --- a/drivers/hwmon/vt1211.c +++ b/drivers/hwmon/vt1211.c @@ -31,6 +31,7 @@ #include #include #include +#include #include static int uch_config = -1; @@ -107,7 +108,7 @@ static const u8 bitalarmfan[] = {6, 7}; struct vt1211_data { unsigned short addr; const char *name; - struct class_device *class_dev; + struct device *hwmon_dev; struct mutex update_lock; char valid; /* !=0 if following fields are valid */ @@ -794,7 +795,7 @@ static ssize_t set_pwm_auto_point_pwm(struct device *dev, if ((val < 0) || (val > 255)) { dev_err(dev, "pwm value %ld is out of range. " - "Choose a value between 0 and 255." , val); + "Choose a value between 0 and 255.\n" , val); return -EINVAL; } @@ -1130,6 +1131,12 @@ static int __devinit vt1211_probe(struct platform_device *pdev) } res = platform_get_resource(pdev, IORESOURCE_IO, 0); + if (!request_region(res->start, res->end - res->start + 1, DRVNAME)) { + err = -EBUSY; + dev_err(dev, "Failed to request region 0x%lx-0x%lx\n", + (unsigned long)res->start, (unsigned long)res->end); + goto EXIT_KFREE; + } data->addr = res->start; data->name = DRVNAME; mutex_init(&data->update_lock); @@ -1184,9 +1191,9 @@ static int __devinit vt1211_probe(struct platform_device *pdev) } /* Register device */ - data->class_dev = hwmon_device_register(dev); - if (IS_ERR(data->class_dev)) { - err = PTR_ERR(data->class_dev); + data->hwmon_dev = hwmon_device_register(dev); + if (IS_ERR(data->hwmon_dev)) { + err = PTR_ERR(data->hwmon_dev); dev_err(dev, "Class registration failed (%d)\n", err); goto EXIT_DEV_REMOVE_SILENT; } @@ -1197,6 +1204,8 @@ EXIT_DEV_REMOVE: dev_err(dev, "Sysfs interface creation failed (%d)\n", err); EXIT_DEV_REMOVE_SILENT: vt1211_remove_sysfs(pdev); + release_region(res->start, res->end - res->start + 1); +EXIT_KFREE: platform_set_drvdata(pdev, NULL); kfree(data); EXIT: @@ -1206,12 +1215,16 @@ EXIT: static int __devexit vt1211_remove(struct platform_device *pdev) { struct vt1211_data *data = platform_get_drvdata(pdev); + struct resource *res; - hwmon_device_unregister(data->class_dev); + hwmon_device_unregister(data->hwmon_dev); vt1211_remove_sysfs(pdev); platform_set_drvdata(pdev, NULL); kfree(data); + res = platform_get_resource(pdev, IORESOURCE_IO, 0); + release_region(res->start, res->end - res->start + 1); + return 0; }