From: Pavel Hofman Date: Fri, 10 Dec 2021 08:52:19 +0000 (+0100) Subject: usb: core: config: using bit mask instead of individual bits X-Git-Tag: accepted/tizen/unified/20230118.172025~4309 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=d861bc26fe68d6fc61c2b5ff31128805ef115df6;p=platform%2Fkernel%2Flinux-rpi.git usb: core: config: using bit mask instead of individual bits commit ca5737396927afd4d57b133fd2874bbcf3421cdb upstream. Using standard USB_EP_MAXP_MULT_MASK instead of individual bits for extracting multiple-transactions bits from wMaxPacketSize value. Acked-by: Alan Stern Signed-off-by: Pavel Hofman Link: https://lore.kernel.org/r/20211210085219.16796-2-pavel.hofman@ivitera.com Signed-off-by: Greg Kroah-Hartman --- diff --git a/drivers/usb/core/config.c b/drivers/usb/core/config.c index 74eb356c..00e2845 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;