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| author | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-30 23:49:17 +0200 |
|---|---|---|
| committer | Albert ARIBAUD <albert.u.boot@aribaud.net> | 2012-09-30 23:49:17 +0200 |
| commit | 1c27059a2f7158a9c9a8778535b030935d75179d (patch) | |
| tree | bf577d5c9f0da21c5d57feed1091214e54c39dec /common/usb_hub.c | |
| parent | 8f0732ac3dc3bdbbcada313dc4b4b38d5d2c376a (diff) | |
| parent | 4668a086bb0a769b741e3a4ffab85f1c41c7cdb8 (diff) | |
| download | u-boot-1c27059a2f7158a9c9a8778535b030935d75179d.tar.gz | |
Merge remote-tracking branch 'u-boot/master'
Diffstat (limited to 'common/usb_hub.c')
| -rw-r--r-- | common/usb_hub.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/common/usb_hub.c b/common/usb_hub.c index f35ad95324..32750e8d05 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; |