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authorIvo van Doorn <ivdoorn@gmail.com>2008-04-21 19:01:58 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-05-07 15:02:21 -0400
commitbd394a74a0e81efb15feaa8d7d10a0eaa8f4bf07 (patch)
treeee2a9b666c87fc9a1a1cbbcbe49a3a33cdec0e8f /drivers/net/wireless/rt2x00/rt2x00usb.h
parente58c6aca99357d7f85f18e0b661d8c5a87f926a9 (diff)
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rt2x00: Add helper macros
Add some helper macro's to help determining the the timeout for USB register access. Signed-off-by: Ivo van Doorn <IvDoorn@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/rt2x00/rt2x00usb.h')
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00usb.h19
1 files changed, 16 insertions, 3 deletions
diff --git a/drivers/net/wireless/rt2x00/rt2x00usb.h b/drivers/net/wireless/rt2x00/rt2x00usb.h
index 11e55180cba..1efaaae0463 100644
--- a/drivers/net/wireless/rt2x00/rt2x00usb.h
+++ b/drivers/net/wireless/rt2x00/rt2x00usb.h
@@ -47,6 +47,20 @@
#define REGISTER_TIMEOUT 500
#define REGISTER_TIMEOUT_FIRMWARE 1000
+/**
+ * REGISTER_TIMEOUT16 - Determine the timeout for 16bit register access
+ * @__datalen: Data length
+ */
+#define REGISTER_TIMEOUT16(__datalen) \
+ ( REGISTER_TIMEOUT * ((__datalen) / sizeof(u16)) )
+
+/**
+ * REGISTER_TIMEOUT32 - Determine the timeout for 32bit register access
+ * @__datalen: Data length
+ */
+#define REGISTER_TIMEOUT32(__datalen) \
+ ( REGISTER_TIMEOUT * ((__datalen) / sizeof(u32)) )
+
/*
* Cache size
*/
@@ -187,11 +201,10 @@ static inline int rt2x00usb_vendor_request_sw(struct rt2x00_dev *rt2x00dev,
static inline int rt2x00usb_eeprom_read(struct rt2x00_dev *rt2x00dev,
__le16 *eeprom, const u16 lenght)
{
- int timeout = REGISTER_TIMEOUT * (lenght / sizeof(u16));
-
return rt2x00usb_vendor_request(rt2x00dev, USB_EEPROM_READ,
USB_VENDOR_REQUEST_IN, 0, 0,
- eeprom, lenght, timeout);
+ eeprom, lenght,
+ REGISTER_TIMEOUT16(lenght));
}
/*