[PATCH 2/2] usb: core: config: using bit mask instead of individual bits

Pavel Hofman
2021-12-10T08:52:28Z

Using standard USB_EP_MAXP_MULT_MASK instead of individual bits for
extracting multiple-transactions bits from wMaxPacketSize value.

Signed-off-by: Pavel Hofman <pavel.hofman@ivitera.com>
---
drivers/usb/core/config.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c
index 74eb356c8767..00e28456e4cc 100644
--- a/drivers/usb/core/config.c
+++ b/drivers/usb/core/config.c
@@ -422,9 +422,9 @@ static int usb_parse_endpoint(struct device *ddev, int cfgno,
maxpacket_maxes = full_speed_maxpacket_maxes;
break;
case USB_SPEED_HIGH:
- /* Bits 12..11 are allowed only for HS periodic endpoints */
+ /* Multiple-transactions bits are allowed only for HS periodic endpoints */
if (usb_endpoint_xfer_int(d) || usb_endpoint_xfer_isoc(d)) {
- i = maxp & (BIT(12) | BIT(11));
+ i = maxp & USB_EP_MAXP_MULT_MASK;
maxp &= ~i;
}
fallthrough;
--
2.25.1