usb: gadget: replace usb_gadget::is_dualspeed with max_speed

This commit replaces usb_gadget's is_dualspeed field with
a max_speed field.

[ balbi@ti.com : Fixed DWC3 driver ]

Signed-off-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>

1 files changed, 20 insertions, 6 deletions

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 6939e17f4580..0b0d12ccc487 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -371,14 +371,28 @@ static ssize_t usb_udc_softconn_store(struct device *dev,
 }
 static DEVICE_ATTR(soft_connect, S_IWUSR, NULL, usb_udc_softconn_store);
 
-static ssize_t usb_udc_speed_show(struct device *dev,
+#define USB_UDC_SPEED_ATTR(name, param)                                 \
+ssize_t usb_udc_##param##_show(struct device *dev,                      \
+                struct device_attribute *attr, char *buf)               \
+{                                                                       \
+        struct usb_udc *udc = container_of(dev, struct usb_udc, dev);   \
+        return snprintf(buf, PAGE_SIZE, "%s\n",                         \
+                        usb_speed_string(udc->gadget->param));          \
+}                                                                       \
+static DEVICE_ATTR(name, S_IRUSR, usb_udc_##param##_show, NULL)
+
+static USB_UDC_SPEED_ATTR(current_speed, speed);
+static USB_UDC_SPEED_ATTR(maximum_speed, max_speed);
+
+/* TODO: Scheduled for removal in 3.8. */
+static ssize_t usb_udc_is_dualspeed_show(struct device *dev,
                 struct device_attribute *attr, char *buf)
 {
         struct usb_udc          *udc = container_of(dev, struct usb_udc, dev);
-        return snprintf(buf, PAGE_SIZE, "%s\n",
-                        usb_speed_string(udc->gadget->speed));
+        return snprintf(buf, PAGE_SIZE, "%d\n",
+                        gadget_is_dualspeed(udc->gadget));
 }
-static DEVICE_ATTR(speed, S_IRUGO, usb_udc_speed_show, NULL);
+static DEVICE_ATTR(is_dualspeed, S_IRUSR, usb_udc_is_dualspeed_show, NULL);
 
 #define USB_UDC_ATTR(name)                                      \
 ssize_t usb_udc_##name##_show(struct device *dev,               \
@@ -391,7 +405,6 @@ ssize_t usb_udc_##name##_show(struct device *dev,		\
 }                                                               \
 static DEVICE_ATTR(name, S_IRUGO, usb_udc_##name##_show, NULL)
 
-static USB_UDC_ATTR(is_dualspeed);
 static USB_UDC_ATTR(is_otg);
 static USB_UDC_ATTR(is_a_peripheral);
 static USB_UDC_ATTR(b_hnp_enable);
@@ -401,7 +414,8 @@ static USB_UDC_ATTR(a_alt_hnp_support);
 static struct attribute *usb_udc_attrs[] = {
         &dev_attr_srp.attr,
         &dev_attr_soft_connect.attr,
-        &dev_attr_speed.attr,
+        &dev_attr_current_speed.attr,
+        &dev_attr_maximum_speed.attr,
 
         &dev_attr_is_dualspeed.attr,
         &dev_attr_is_otg.attr,