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greybus: es2.c: Don't use magic value for USB control request 

Signed-off-by: Alexandre Bailon <abailon@baylibre.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>
This commit is contained in:
Alexandre Bailon 2015-06-15 18:08:11 +02:00 committed by Greg Kroah-Hartman
parent 799baa24db
commit 611c17390e
1 changed files with 8 additions and 2 deletions
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10
drivers/staging/greybus/es2.c
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@ -46,6 +46,12 @@ static DEFINE_KFIFO(apb1_log_fifo, char, APB1_LOG_SIZE);
*/
#define NUM_CPORT_OUT_URB 8
/* vendor request AP message */
#define REQUEST_SVC 0x01
/* vendor request APB1 log */
#define REQUEST_LOG 0x02
/**
* es1_ap_dev - ES1 USB Bridge to AP structure
* @usb_dev: pointer to the USB device we are.
@ -103,7 +109,7 @@ static int submit_svc(struct svc_msg *svc_msg, struct greybus_host_device *hd)
retval = usb_control_msg(es1->usb_dev,
usb_sndctrlpipe(es1->usb_dev,
es1->control_endpoint),
0x01, /* vendor request AP message */
REQUEST_SVC,
USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
0x00, 0x00,
(char *)svc_msg,
@ -410,7 +416,7 @@ static void apb1_log_get(struct es1_ap_dev *es1, char *buf)
retval = usb_control_msg(es1->usb_dev,
usb_rcvctrlpipe(es1->usb_dev,
es1->control_endpoint),
0x02, /* vendor request APB1 log */
REQUEST_LOG,
USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
0x00, 0x00,
buf,