From: Felipe Balbi <felipe.balbi@linux.intel.com>
Date: Wed, 28 Sep 2016 10:27:55 +0000 (+0300)
Subject: usb: core: devices: make use of new usb_endpoint_maxp_mult()
X-Git-Tag: v4.10-rc1~150^2~57^2~150
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=91f97521bb3f42f7a0447c130c789cb7c1810714;p=platform%2Fkernel%2Flinux-exynos.git

usb: core: devices: make use of new usb_endpoint_maxp_mult()

We have introduced a helper to calculate multiplier
value from wMaxPacketSize. Start using it.

Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
---

diff --git a/drivers/usb/core/devices.c b/drivers/usb/core/devices.c
index ef04b50..00d1b26 100644
--- a/drivers/usb/core/devices.c
+++ b/drivers/usb/core/devices.c
@@ -182,14 +182,8 @@ static char *usb_dump_endpoint_descriptor(int speed, char *start, char *end,
 
 	dir = usb_endpoint_dir_in(desc) ? 'I' : 'O';
 
-	if (speed == USB_SPEED_HIGH) {
-		switch (usb_endpoint_maxp(desc) & (0x03 << 11)) {
-		case 1 << 11:
-			bandwidth = 2; break;
-		case 2 << 11:
-			bandwidth = 3; break;
-		}
-	}
+	if (speed == USB_SPEED_HIGH)
+		bandwidth = usb_endpoint_maxp_mult(desc);
 
 	/* this isn't checking for illegal values */
 	switch (usb_endpoint_type(desc)) {