summaryrefslogtreecommitdiff
path: root/common
diff options
context:
space:
mode:
Diffstat (limited to 'common')
-rw-r--r--common/usb_hub.c14
1 files changed, 9 insertions, 5 deletions
diff --git a/common/usb_hub.c b/common/usb_hub.c
index f35ad95..32750e8 100644
--- a/common/usb_hub.c
+++ b/common/usb_hub.c
@@ -43,6 +43,7 @@
#include <common.h>
#include <command.h>
#include <asm/processor.h>
+#include <asm/unaligned.h>
#include <linux/ctype.h>
#include <asm/byteorder.h>
#include <asm/unaligned.h>
@@ -269,6 +270,7 @@ static int usb_hub_configure(struct usb_device *dev)
int i;
ALLOC_CACHE_ALIGN_BUFFER(unsigned char, buffer, USB_BUFSIZ);
unsigned char *bitmap;
+ short hubCharacteristics;
struct usb_hub_descriptor *descriptor;
struct usb_hub_device *hub;
#ifdef USB_HUB_DEBUG
@@ -304,8 +306,9 @@ static int usb_hub_configure(struct usb_device *dev)
}
memcpy((unsigned char *)&hub->desc, buffer, descriptor->bLength);
/* adjust 16bit values */
- hub->desc.wHubCharacteristics =
- le16_to_cpu(descriptor->wHubCharacteristics);
+ put_unaligned(le16_to_cpu(get_unaligned(
+ &descriptor->wHubCharacteristics)),
+ &hub->desc.wHubCharacteristics);
/* set the bitmap */
bitmap = (unsigned char *)&hub->desc.DeviceRemovable[0];
/* devices not removable by default */
@@ -322,7 +325,8 @@ static int usb_hub_configure(struct usb_device *dev)
dev->maxchild = descriptor->bNbrPorts;
USB_HUB_PRINTF("%d ports detected\n", dev->maxchild);
- switch (hub->desc.wHubCharacteristics & HUB_CHAR_LPSM) {
+ hubCharacteristics = get_unaligned(&hub->desc.wHubCharacteristics);
+ switch (hubCharacteristics & HUB_CHAR_LPSM) {
case 0x00:
USB_HUB_PRINTF("ganged power switching\n");
break;
@@ -335,12 +339,12 @@ static int usb_hub_configure(struct usb_device *dev)
break;
}
- if (hub->desc.wHubCharacteristics & HUB_CHAR_COMPOUND)
+ if (hubCharacteristics & HUB_CHAR_COMPOUND)
USB_HUB_PRINTF("part of a compound device\n");
else
USB_HUB_PRINTF("standalone hub\n");
- switch (hub->desc.wHubCharacteristics & HUB_CHAR_OCPM) {
+ switch (hubCharacteristics & HUB_CHAR_OCPM) {
case 0x00:
USB_HUB_PRINTF("global over-current protection\n");
break;