Change usb_kbd driver to obey alignment requirements for USB DMA on the buffer used for data transfer. This is necessary for architectures that enable dcache and enable USB DMA.
Signed-off-by: Allen Martin amartin@nvidia.com --- common/usb_kbd.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/common/usb_kbd.c b/common/usb_kbd.c index 19f01db..57928d9 100644 --- a/common/usb_kbd.c +++ b/common/usb_kbd.c @@ -106,15 +106,15 @@ static const unsigned char usb_kbd_num_keypad[] = { (USB_KBD_NUMLOCK | USB_KBD_CAPSLOCK | USB_KBD_SCROLLLOCK)
struct usb_kbd_pdata { + uint8_t new[8]; + uint8_t old[8]; + uint32_t repeat_delay;
uint32_t usb_in_pointer; uint32_t usb_out_pointer; uint8_t usb_kbd_buffer[USB_KBD_BUFFER_LEN];
- uint8_t new[8]; - uint8_t old[8]; - uint8_t flags; };
@@ -426,7 +426,7 @@ static int usb_kbd_probe(struct usb_device *dev, unsigned int ifnum)
USB_KBD_PRINTF("USB KBD: found set protocol...\n");
- data = malloc(sizeof(struct usb_kbd_pdata)); + data = memalign(USB_DMA_MINALIGN, sizeof(struct usb_kbd_pdata)); if (!data) { printf("USB KBD: Error allocating private data\n"); return 0;