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path: root/drivers/usb/host/ohci-sa1111.c
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Diffstat (limited to 'drivers/usb/host/ohci-sa1111.c')
-rw-r--r--drivers/usb/host/ohci-sa1111.c26
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/usb/host/ohci-sa1111.c b/drivers/usb/host/ohci-sa1111.c
index 3a9ea32508df..ebec9a7699e3 100644
--- a/drivers/usb/host/ohci-sa1111.c
+++ b/drivers/usb/host/ohci-sa1111.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-1.0+
/*
* OHCI HCD (Host Controller Driver) for USB.
*
@@ -42,7 +43,7 @@
#if 0
static void dump_hci_status(struct usb_hcd *hcd, const char *label)
{
- unsigned long status = sa1111_readl(hcd->regs + USB_STATUS);
+ unsigned long status = readl_relaxed(hcd->regs + USB_STATUS);
printk(KERN_DEBUG "%s USB_STATUS = { %s%s%s%s%s}\n", label,
((status & USB_STATUS_IRQHCIRMTWKUP) ? "IRQHCIRMTWKUP " : ""),
@@ -134,7 +135,7 @@ static int sa1111_start_hc(struct sa1111_dev *dev)
* Configure the power sense and control lines. Place the USB
* host controller in reset.
*/
- sa1111_writel(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET,
+ writel_relaxed(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET,
dev->mapbase + USB_RESET);
/*
@@ -144,7 +145,7 @@ static int sa1111_start_hc(struct sa1111_dev *dev)
ret = sa1111_enable_device(dev);
if (ret == 0) {
udelay(11);
- sa1111_writel(usb_rst, dev->mapbase + USB_RESET);
+ writel_relaxed(usb_rst, dev->mapbase + USB_RESET);
}
return ret;
@@ -159,8 +160,8 @@ static void sa1111_stop_hc(struct sa1111_dev *dev)
/*
* Put the USB host controller into reset.
*/
- usb_rst = sa1111_readl(dev->mapbase + USB_RESET);
- sa1111_writel(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET,
+ usb_rst = readl_relaxed(dev->mapbase + USB_RESET);
+ writel_relaxed(usb_rst | USB_RESET_FORCEIFRESET | USB_RESET_FORCEHCRESET,
dev->mapbase + USB_RESET);
/*
@@ -178,7 +179,7 @@ static void sa1111_stop_hc(struct sa1111_dev *dev)
static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev)
{
struct usb_hcd *hcd;
- int ret;
+ int ret, irq;
if (usb_disabled())
return -ENODEV;
@@ -196,6 +197,12 @@ static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev)
hcd->rsrc_start = dev->res.start;
hcd->rsrc_len = resource_size(&dev->res);
+ irq = sa1111_get_irq(dev, 1);
+ if (irq <= 0) {
+ ret = irq ? : -ENXIO;
+ goto err1;
+ }
+
if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len, hcd_name)) {
dev_dbg(&dev->dev, "request_mem_region failed\n");
ret = -EBUSY;
@@ -208,7 +215,7 @@ static int ohci_hcd_sa1111_probe(struct sa1111_dev *dev)
if (ret)
goto err2;
- ret = usb_add_hcd(hcd, dev->irq[1], 0);
+ ret = usb_add_hcd(hcd, irq, 0);
if (ret == 0) {
device_wakeup_enable(hcd->self.controller);
return ret;
@@ -241,8 +248,9 @@ static int ohci_hcd_sa1111_remove(struct sa1111_dev *dev)
return 0;
}
-static void ohci_hcd_sa1111_shutdown(struct sa1111_dev *dev)
+static void ohci_hcd_sa1111_shutdown(struct device *_dev)
{
+ struct sa1111_dev *dev = to_sa1111_device(_dev);
struct usb_hcd *hcd = sa1111_get_drvdata(dev);
if (test_bit(HCD_FLAG_HW_ACCESSIBLE, &hcd->flags)) {
@@ -255,9 +263,9 @@ static struct sa1111_driver ohci_hcd_sa1111_driver = {
.drv = {
.name = "sa1111-ohci",
.owner = THIS_MODULE,
+ .shutdown = ohci_hcd_sa1111_shutdown,
},
.devid = SA1111_DEVID_USB,
.probe = ohci_hcd_sa1111_probe,
.remove = ohci_hcd_sa1111_remove,
- .shutdown = ohci_hcd_sa1111_shutdown,
};