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authorTom Rini <trini@ti.com>2013-06-12 16:33:49 -0400
committerTom Rini <trini@ti.com>2013-06-12 16:33:49 -0400
commitb7ab8b8ff092ab8214eeb86e8a79573154f448b9 (patch)
tree0594417cbd3052fd0232d0b967c7bb240e374df9 /common
parent077becc345717c3cf32e88316298b74d0cff6581 (diff)
parentc67b0e42a59c7ef15495bfde006398abaf2f562f (diff)
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Merge branch 'master' of git://git.denx.de/u-boot-usb
Diffstat (limited to 'common')
-rw-r--r--common/usb_hub.c15
-rw-r--r--common/usb_kbd.c10
2 files changed, 20 insertions, 5 deletions
diff --git a/common/usb_hub.c b/common/usb_hub.c
index 0d79ec3..774ba63 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -53,6 +53,10 @@
#include <asm/4xx_pci.h>
#endif
+#ifndef CONFIG_USB_HUB_MIN_POWER_ON_DELAY
+#define CONFIG_USB_HUB_MIN_POWER_ON_DELAY 100
+#endif
+
#define USB_BUFSIZ 512
static struct usb_hub_device hub_dev[USB_MAX_HUB];
@@ -148,8 +152,8 @@ static void usb_hub_power_on(struct usb_hub_device *hub)
debug("port %d returns %lX\n", i + 1, dev->status);
}
- /* Wait at least 100 msec for power to become stable */
- mdelay(max(pgood_delay, (unsigned)100));
+ /* Wait for power to become stable */
+ mdelay(max(pgood_delay, CONFIG_USB_HUB_MIN_POWER_ON_DELAY));
}
void usb_hub_reset(void)
@@ -485,7 +489,11 @@ static int usb_hub_configure(struct usb_device *dev)
i + 1, portstatus);
usb_clear_port_feature(dev, i + 1,
USB_PORT_FEAT_C_ENABLE);
-
+ /*
+ * The following hack causes a ghost device problem
+ * to Faraday EHCI
+ */
+#ifndef CONFIG_USB_EHCI_FARADAY
/* EM interference sometimes causes bad shielded USB
* devices to be shutdown by the hub, this hack enables
* them again. Works at least with mouse driver */
@@ -497,6 +505,7 @@ static int usb_hub_configure(struct usb_device *dev)
"re-enabling...\n", i + 1);
usb_hub_port_connect_change(dev, i);
}
+#endif
}
if (portstatus & USB_PORT_STAT_SUSPEND) {
debug("port %d suspend change\n", i + 1);
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index b962849..3174b5e 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -461,8 +461,13 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum)
usb_set_idle(dev, iface->desc.bInterfaceNumber, REPEAT_RATE, 0);
debug("USB KBD: enable interrupt pipe...\n");
- usb_submit_int_msg(dev, pipe, data->new, maxp > 8 ? 8 : maxp,
- ep->bInterval);
+ if (usb_submit_int_msg(dev, pipe, data->new, maxp > 8 ? 8 : maxp,
+ ep->bInterval) < 0) {
+ printf("Failed to get keyboard state from device %04x:%04x\n",
+ dev->descriptor.idVendor, dev->descriptor.idProduct);
+ /* Abort, we don't want to use that non-functional keyboard. */
+ return 0;
+ }
/* Success. */
return 1;
@@ -496,6 +501,7 @@ int drv_usb_kbd_init(void)
if (old_dev) {
/* Already registered, just return ok. */
debug("USB KBD: is already registered.\n");
+ usb_kbd_deregister();
return 1;
}