From: Petr Tesarik <ptesarik@xxxxxxx>
The request type is in fact made of three fields that already have
symbolic constants.
While I was rewriting those lines, I also converted the pre-processor
defines into an enum, so they are seen by debuggers.
Signed-off-by: Petr Tesarik <ptesarik@xxxxxxxx>
---
drivers/usb/serial/cp210x.c | 14 ++++++++++----
1 file changed, 10 insertions(+), 4 deletions(-)
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index eac7cca..1bae015 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -226,10 +226,16 @@ static struct usb_serial_driver * const serial_drivers[] = {
};
/* Config request types */
-#define REQTYPE_HOST_TO_INTERFACE 0x41
-#define REQTYPE_INTERFACE_TO_HOST 0xc1
-#define REQTYPE_HOST_TO_DEVICE 0x40
-#define REQTYPE_DEVICE_TO_HOST 0xc0
+enum cp210x_request_type {
+ REQTYPE_HOST_TO_INTERFACE =
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+ REQTYPE_INTERFACE_TO_HOST =
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_INTERFACE,
+ REQTYPE_HOST_TO_DEVICE =
+ USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+ REQTYPE_DEVICE_TO_HOST =
+ USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE,
+};
/* Config request codes */
#define CP210X_IFC_ENABLE 0x00
--
2.1.4
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