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path: root/drivers/usb/host/ehci-msm.c
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Diffstat (limited to 'drivers/usb/host/ehci-msm.c')
-rw-r--r--drivers/usb/host/ehci-msm.c91
1 files changed, 42 insertions, 49 deletions
diff --git a/drivers/usb/host/ehci-msm.c b/drivers/usb/host/ehci-msm.c
index 88a49c87e748..0f717dc688b7 100644
--- a/drivers/usb/host/ehci-msm.c
+++ b/drivers/usb/host/ehci-msm.c
@@ -22,16 +22,26 @@
* along with this program; if not, you can find it at http://www.fsf.org
*/
-#include <linux/platform_device.h>
#include <linux/clk.h>
#include <linux/err.h>
+#include <linux/io.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
-
#include <linux/usb/otg.h>
#include <linux/usb/msm_hsusb_hw.h>
+#include <linux/usb.h>
+#include <linux/usb/hcd.h>
+
+#include "ehci.h"
#define MSM_USB_BASE (hcd->regs)
+#define DRIVER_DESC "Qualcomm On-Chip EHCI Host Controller"
+
+static const char hcd_name[] = "ehci-msm";
+static struct hc_driver __read_mostly msm_hc_driver;
static struct usb_phy *phy;
static int ehci_msm_reset(struct usb_hcd *hcd)
@@ -56,52 +66,6 @@ static int ehci_msm_reset(struct usb_hcd *hcd)
return 0;
}
-static struct hc_driver msm_hc_driver = {
- .description = hcd_name,
- .product_desc = "Qualcomm On-Chip EHCI Host Controller",
- .hcd_priv_size = sizeof(struct ehci_hcd),
-
- /*
- * generic hardware linkage
- */
- .irq = ehci_irq,
- .flags = HCD_USB2 | HCD_MEMORY,
-
- .reset = ehci_msm_reset,
- .start = ehci_run,
-
- .stop = ehci_stop,
- .shutdown = ehci_shutdown,
-
- /*
- * managing i/o requests and associated device resources
- */
- .urb_enqueue = ehci_urb_enqueue,
- .urb_dequeue = ehci_urb_dequeue,
- .endpoint_disable = ehci_endpoint_disable,
- .endpoint_reset = ehci_endpoint_reset,
- .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
-
- /*
- * scheduling support
- */
- .get_frame_number = ehci_get_frame,
-
- /*
- * root hub support
- */
- .hub_status_data = ehci_hub_status_data,
- .hub_control = ehci_hub_control,
- .relinquish_port = ehci_relinquish_port,
- .port_handed_over = ehci_port_handed_over,
-
- /*
- * PM support
- */
- .bus_suspend = ehci_bus_suspend,
- .bus_resume = ehci_bus_resume,
-};
-
static int ehci_msm_probe(struct platform_device *pdev)
{
struct usb_hcd *hcd;
@@ -145,7 +109,7 @@ static int ehci_msm_probe(struct platform_device *pdev)
* management.
*/
phy = devm_usb_get_phy(&pdev->dev, USB_PHY_TYPE_USB2);
- if (IS_ERR_OR_NULL(phy)) {
+ if (IS_ERR(phy)) {
dev_err(&pdev->dev, "unable to find transceiver\n");
ret = -ENODEV;
goto put_hcd;
@@ -165,6 +129,8 @@ static int ehci_msm_probe(struct platform_device *pdev)
pm_runtime_no_callbacks(&pdev->dev);
pm_runtime_enable(&pdev->dev);
+ /* FIXME: need to call usb_add_hcd() here? */
+
return 0;
put_hcd:
@@ -183,6 +149,8 @@ static int ehci_msm_remove(struct platform_device *pdev)
otg_set_host(phy->otg, NULL);
+ /* FIXME: need to call usb_remove_hcd() here? */
+
usb_put_hcd(hcd);
return 0;
@@ -226,3 +194,28 @@ static struct platform_driver ehci_msm_driver = {
.pm = &ehci_msm_dev_pm_ops,
},
};
+
+static const struct ehci_driver_overrides msm_overrides __initdata = {
+ .reset = ehci_msm_reset,
+};
+
+static int __init ehci_msm_init(void)
+{
+ if (usb_disabled())
+ return -ENODEV;
+
+ pr_info("%s: " DRIVER_DESC "\n", hcd_name);
+ ehci_init_driver(&msm_hc_driver, &msm_overrides);
+ return platform_driver_register(&ehci_msm_driver);
+}
+module_init(ehci_msm_init);
+
+static void __exit ehci_msm_cleanup(void)
+{
+ platform_driver_unregister(&ehci_msm_driver);
+}
+module_exit(ehci_msm_cleanup);
+
+MODULE_DESCRIPTION(DRIVER_DESC);
+MODULE_ALIAS("platform:msm-ehci");
+MODULE_LICENSE("GPL");