Platform drivers sometimes need to perform specific handling of hub
control requests. Make this possible by exporting the ohci_hub_control()
function which can then be called from a custom hub control handler in
the default case.
Signed-off-by: Laurent Pinchart <laurent.pinch...@ideasonboard.com>
---
drivers/usb/host/ohci-at91.c | 6 +-----
drivers/usb/host/ohci-hub.c | 4 ++--
drivers/usb/host/ohci-s3c2410.c | 7 ++-----
drivers/usb/host/ohci.h | 2 ++
4 files changed, 7 insertions(+), 12 deletions(-)
diff --git a/drivers/usb/host/ohci-at91.c b/drivers/usb/host/ohci-at91.c
index 091ae49..0b7a999 100644
--- a/drivers/usb/host/ohci-at91.c
+++ b/drivers/usb/host/ohci-at91.c
@@ -46,8 +46,6 @@ static const char hcd_name[] = "ohci-atmel";
static struct hc_driver __read_mostly ohci_at91_hc_driver;
static int clocked;
-static int (*orig_ohci_hub_control)(struct usb_hcd *hcd, u16 typeReq,
- u16 wValue, u16 wIndex, char *buf, u16 wLength);
static int (*orig_ohci_hub_status_data)(struct usb_hcd *hcd, char *buf);
extern int usb_disabled(void);
@@ -340,8 +338,7 @@ static int ohci_at91_hub_control(struct usb_hcd *hcd, u16
typeReq, u16 wValue,
break;
}
- ret = orig_ohci_hub_control(hcd, typeReq, wValue, wIndex + 1,
- buf, wLength);
+ ret = ohci_hub_control(hcd, typeReq, wValue, wIndex + 1, buf, wLength);
if (ret)
goto out;
@@ -690,7 +687,6 @@ static int __init ohci_at91_init(void)
* too easy.
*/
- orig_ohci_hub_control = ohci_at91_hc_driver.hub_control;
orig_ohci_hub_status_data = ohci_at91_hc_driver.hub_status_data;
ohci_at91_hc_driver.hub_status_data = ohci_at91_hub_status_data;
diff --git a/drivers/usb/host/ohci-hub.c b/drivers/usb/host/ohci-hub.c
index c81c872..70013c6 100644
--- a/drivers/usb/host/ohci-hub.c
+++ b/drivers/usb/host/ohci-hub.c
@@ -646,7 +646,7 @@ static inline int root_port_reset (struct ohci_hcd *ohci,
unsigned port)
return 0;
}
-static int ohci_hub_control (
+int ohci_hub_control (
struct usb_hcd *hcd,
u16 typeReq,
u16 wValue,
@@ -772,4 +772,4 @@ error:
}
return retval;
}
-
+EXPORT_SYMBOL_GPL(ohci_hub_control);
diff --git a/drivers/usb/host/ohci-s3c2410.c b/drivers/usb/host/ohci-s3c2410.c
index ff7c8f1..95809c5 100644
--- a/drivers/usb/host/ohci-s3c2410.c
+++ b/drivers/usb/host/ohci-s3c2410.c
@@ -45,8 +45,6 @@ static struct clk *usb_clk;
/* forward definitions */
-static int (*orig_ohci_hub_control)(struct usb_hcd *hcd, u16 typeReq,
- u16 wValue, u16 wIndex, char *buf, u16 wLength);
static int (*orig_ohci_hub_status_data)(struct usb_hcd *hcd, char *buf);
static void s3c2410_hcd_oc(struct s3c2410_hcd_info *info, int port_oc);
@@ -181,7 +179,7 @@ static int ohci_s3c2410_hub_control(
* process the request straight away and exit */
if (info == NULL) {
- ret = orig_ohci_hub_control(hcd, typeReq, wValue,
+ ret = ohci_hub_control(hcd, typeReq, wValue,
wIndex, buf, wLength);
goto out;
}
@@ -231,7 +229,7 @@ static int ohci_s3c2410_hub_control(
break;
}
- ret = orig_ohci_hub_control(hcd, typeReq, wValue, wIndex, buf, wLength);
+ ret = ohci_hub_control(hcd, typeReq, wValue, wIndex, buf, wLength);
if (ret)
goto out;
@@ -489,7 +487,6 @@ static int __init ohci_s3c2410_init(void)
* override these functions by making it too easy.
*/
- orig_ohci_hub_control = ohci_s3c2410_hc_driver.hub_control;
orig_ohci_hub_status_data = ohci_s3c2410_hc_driver.hub_status_data;
ohci_s3c2410_hc_driver.hub_status_data = ohci_s3c2410_hub_status_data;
diff --git a/drivers/usb/host/ohci.h b/drivers/usb/host/ohci.h
index 9250cad..f317de6 100644
--- a/drivers/usb/host/ohci.h
+++ b/drivers/usb/host/ohci.h
@@ -727,3 +727,5 @@ extern int ohci_setup(struct usb_hcd *hcd);
extern int ohci_suspend(struct usb_hcd *hcd, bool do_wakeup);
extern int ohci_resume(struct usb_hcd *hcd, bool hibernated);
#endif
+extern int ohci_hub_control(struct usb_hcd *hcd, u16 typeReq, u16 wValue,
+ u16 wIndex, char *buf, u16 wLength);
--
1.8.3.2
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
