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 <amar...@nvidia.com>
---
common/usb_kbd.c | 9 +++++----
1 file changed, 5 insertions(+), 4 deletions(-)
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
index 19f01db..cfc1281 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
@@ -28,6 +28,7 @@
#include <malloc.h>
#include <stdio_dev.h>
#include <asm/byteorder.h>
+#include <linux/compiler.h>
#include <usb.h>
@@ -106,17 +107,17 @@ 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;
-};
+} __aligned(USB_DMA_MINALIGN);
/* Generic keyboard event polling. */
void usb_kbd_generic_poll(void)
--
1.7.10.4
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