diff options
| -rw-r--r-- | target/linux/ar7/files/drivers/vlynq/vlynq.c | 54 | ||||
| -rw-r--r-- | target/linux/ar7/files/include/linux/vlynq.h | 2 |
2 files changed, 42 insertions, 14 deletions
diff --git a/target/linux/ar7/files/drivers/vlynq/vlynq.c b/target/linux/ar7/files/drivers/vlynq/vlynq.c index 3358bb711a..1de5789b7c 100644 --- a/target/linux/ar7/files/drivers/vlynq/vlynq.c +++ b/target/linux/ar7/files/drivers/vlynq/vlynq.c @@ -304,20 +304,36 @@ static int vlynq_device_match(struct device *dev, struct plat_vlynq_ops *ops = dev->platform_data; struct vlynq_device_id *ids = vdrv->id_table; u32 id = 0; - int result; + int result, flag; while (ids->id) { - vdev->divisor = ids->divisor; - result = __vlynq_enable_device(vdev); - if (result == 0) { - id = vlynq_reg_read(vdev->remote->chip); - ops->off(vdev); - if (ids->id == id) { - vlynq_set_drvdata(vdev, ids); - return 1; - } + flag = 0; + if (ids->divisor != vlynq_div_auto + && vdev->divisor == vlynq_div_auto) { + flag = 1; + vdev->divisor = ids->divisor; + result = __vlynq_enable_device(vdev); + if (result == 0) { + id = vlynq_reg_read(vdev->remote->chip); + vlynq_reg_write(vdev->local->control, 0); + vlynq_reg_write(vdev->remote->control, 0); + ops->off(vdev); + } else + id = vdev->dev_id; + } else + id = vdev->dev_id; + if (ids->id == id) { + vdev->dev_id = id; + vlynq_set_drvdata(vdev, ids); + printk(KERN_INFO "Driver found for VLYNQ " \ + "device: %08x\n", id); + return 1; } + printk(KERN_INFO "Not using the %08x VLYNQ device's " \ + "driver for VLYNQ device: %08x\n", ids->id, id); ids++; + if (flag) + vdev->divisor = vlynq_div_auto; } return 0; } @@ -602,6 +618,18 @@ static int vlynq_probe(struct platform_device *pdev) dev->dev.bus_id, (void *)dev->regs_start, dev->irq, (void *)dev->mem_start); + dev->divisor = vlynq_div_auto; + result = __vlynq_enable_device(dev); + if (result == 0) { + dev->dev_id = vlynq_reg_read(dev->remote->chip); + vlynq_reg_write(dev->local->control, 0); + vlynq_reg_write(dev->remote->control, 0); + ((struct plat_vlynq_ops *)(dev->dev.platform_data))->off(dev); + } else + dev->dev_id = 0; + if (dev->dev_id) + printk(KERN_INFO "Found a VLYNQ device: %08x\n", dev->dev_id); + return 0; fail_register: @@ -626,7 +654,7 @@ static int vlynq_remove(struct platform_device *pdev) return 0; } -static struct platform_driver vlynq_driver = { +static struct platform_driver vlynq_platform_driver = { .driver.name = "vlynq", .probe = vlynq_probe, .remove = __devexit_p(vlynq_remove), @@ -648,7 +676,7 @@ static int __devinit vlynq_init(void) if (res) goto fail_bus; - res = platform_driver_register(&vlynq_driver); + res = platform_driver_register(&vlynq_platform_driver); if (res) goto fail_platform; @@ -662,7 +690,7 @@ fail_bus: static void __devexit vlynq_exit(void) { - platform_driver_unregister(&vlynq_driver); + platform_driver_unregister(&vlynq_platform_driver); bus_unregister(&vlynq_bus_type); } diff --git a/target/linux/ar7/files/include/linux/vlynq.h b/target/linux/ar7/files/include/linux/vlynq.h index 7658fe4149..8f6a95882b 100644 --- a/target/linux/ar7/files/include/linux/vlynq.h +++ b/target/linux/ar7/files/include/linux/vlynq.h @@ -59,7 +59,7 @@ struct vlynq_device_id { struct vlynq_regs; struct vlynq_device { - u32 id; + u32 id, dev_id; int local_irq; int remote_irq; enum vlynq_divisor divisor; |