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authorMauro Carvalho Chehab <mchehab@redhat.com>2012-12-27 15:44:11 +0100
committerMauro Carvalho Chehab <mchehab@redhat.com>2012-12-27 15:44:11 +0100
commita44dca1717ce2c2381339e21c07d1731a63a7888 (patch)
tree3d0b3bd26492f9fa1f1f1c1ad838315b266da7c1 /drivers/usb/musb/ux500.c
parent[media] rc: unlock on error in show_protocols() (diff)
parentLinux 3.8-rc1 (diff)
downloadlinux-a44dca1717ce2c2381339e21c07d1731a63a7888.tar.xz
linux-a44dca1717ce2c2381339e21c07d1731a63a7888.zip
Merge tag 'v3.8-rc1' into staging/for_v3.9
Linux 3.8-rc1 * tag 'v3.8-rc1': (10696 commits) Linux 3.8-rc1 Revert "nfsd: warn on odd reply state in nfsd_vfs_read" ARM: dts: fix duplicated build target and alphabetical sort out for exynos dm stripe: add WRITE SAME support dm: remove map_info dm snapshot: do not use map_context dm thin: dont use map_context dm raid1: dont use map_context dm flakey: dont use map_context dm raid1: rename read_record to bio_record dm: move target request nr to dm_target_io dm snapshot: use per_bio_data dm verity: use per_bio_data dm raid1: use per_bio_data dm: introduce per_bio_data dm kcopyd: add WRITE SAME support to dm_kcopyd_zero dm linear: add WRITE SAME support dm: add WRITE SAME support dm: prepare to support WRITE SAME dm ioctl: use kmalloc if possible ... Conflicts: MAINTAINERS
Diffstat (limited to 'drivers/usb/musb/ux500.c')
-rw-r--r--drivers/usb/musb/ux500.c62
1 files changed, 29 insertions, 33 deletions
diff --git a/drivers/usb/musb/ux500.c b/drivers/usb/musb/ux500.c
index 0e62f504410e..a27ca1a9c994 100644
--- a/drivers/usb/musb/ux500.c
+++ b/drivers/usb/musb/ux500.c
@@ -36,6 +36,26 @@ struct ux500_glue {
};
#define glue_to_musb(g) platform_get_drvdata(g->musb)
+static irqreturn_t ux500_musb_interrupt(int irq, void *__hci)
+{
+ unsigned long flags;
+ irqreturn_t retval = IRQ_NONE;
+ struct musb *musb = __hci;
+
+ spin_lock_irqsave(&musb->lock, flags);
+
+ musb->int_usb = musb_readb(musb->mregs, MUSB_INTRUSB);
+ musb->int_tx = musb_readw(musb->mregs, MUSB_INTRTX);
+ musb->int_rx = musb_readw(musb->mregs, MUSB_INTRRX);
+
+ if (musb->int_usb || musb->int_tx || musb->int_rx)
+ retval = musb_interrupt(musb);
+
+ spin_unlock_irqrestore(&musb->lock, flags);
+
+ return retval;
+}
+
static int ux500_musb_init(struct musb *musb)
{
musb->xceiv = usb_get_phy(USB_PHY_TYPE_USB2);
@@ -44,6 +64,8 @@ static int ux500_musb_init(struct musb *musb)
return -ENODEV;
}
+ musb->isr = ux500_musb_interrupt;
+
return 0;
}
@@ -59,13 +81,12 @@ static const struct musb_platform_ops ux500_ops = {
.exit = ux500_musb_exit,
};
-static int __devinit ux500_probe(struct platform_device *pdev)
+static int ux500_probe(struct platform_device *pdev)
{
struct musb_hdrc_platform_data *pdata = pdev->dev.platform_data;
struct platform_device *musb;
struct ux500_glue *glue;
struct clk *clk;
- int musbid;
int ret = -ENOMEM;
glue = kzalloc(sizeof(*glue), GFP_KERNEL);
@@ -74,18 +95,10 @@ static int __devinit ux500_probe(struct platform_device *pdev)
goto err0;
}
- /* get the musb id */
- musbid = musb_get_id(&pdev->dev, GFP_KERNEL);
- if (musbid < 0) {
- dev_err(&pdev->dev, "failed to allocate musb id\n");
- ret = -ENOMEM;
- goto err1;
- }
-
- musb = platform_device_alloc("musb-hdrc", musbid);
+ musb = platform_device_alloc("musb-hdrc", PLATFORM_DEVID_AUTO);
if (!musb) {
dev_err(&pdev->dev, "failed to allocate musb device\n");
- goto err2;
+ goto err1;
}
clk = clk_get(&pdev->dev, "usb");
@@ -101,7 +114,6 @@ static int __devinit ux500_probe(struct platform_device *pdev)
goto err4;
}
- musb->id = musbid;
musb->dev.parent = &pdev->dev;
musb->dev.dma_mask = pdev->dev.dma_mask;
musb->dev.coherent_dma_mask = pdev->dev.coherent_dma_mask;
@@ -144,9 +156,6 @@ err4:
err3:
platform_device_put(musb);
-err2:
- musb_put_id(&pdev->dev, musbid);
-
err1:
kfree(glue);
@@ -154,13 +163,11 @@ err0:
return ret;
}
-static int __devexit ux500_remove(struct platform_device *pdev)
+static int ux500_remove(struct platform_device *pdev)
{
struct ux500_glue *glue = platform_get_drvdata(pdev);
- musb_put_id(&pdev->dev, glue->musb->id);
- platform_device_del(glue->musb);
- platform_device_put(glue->musb);
+ platform_device_unregister(glue->musb);
clk_disable(glue->clk);
clk_put(glue->clk);
kfree(glue);
@@ -209,7 +216,7 @@ static const struct dev_pm_ops ux500_pm_ops = {
static struct platform_driver ux500_driver = {
.probe = ux500_probe,
- .remove = __devexit_p(ux500_remove),
+ .remove = ux500_remove,
.driver = {
.name = "musb-ux500",
.pm = DEV_PM_OPS,
@@ -219,15 +226,4 @@ static struct platform_driver ux500_driver = {
MODULE_DESCRIPTION("UX500 MUSB Glue Layer");
MODULE_AUTHOR("Mian Yousaf Kaukab <mian.yousaf.kaukab@stericsson.com>");
MODULE_LICENSE("GPL v2");
-
-static int __init ux500_init(void)
-{
- return platform_driver_register(&ux500_driver);
-}
-module_init(ux500_init);
-
-static void __exit ux500_exit(void)
-{
- platform_driver_unregister(&ux500_driver);
-}
-module_exit(ux500_exit);
+module_platform_driver(ux500_driver);