Messages in this thread Patch in this message | | | From | Antoine Tenart <> | Subject | [PATCH net-next] net: mscc: simplify retrieving the tag type from the frame header | Date | Fri, 13 Jul 2018 16:57:57 +0200 |
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The tag type in the frame extraction header is only a bit wide. There's no need to use GENMASK when retrieving the information. This patch simplify the code by dropping GENMASK and using BIT instead.
Signed-off-by: Antoine Tenart <antoine.tenart@bootlin.com> --- drivers/net/ethernet/mscc/ocelot_board.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/mscc/ocelot_board.c b/drivers/net/ethernet/mscc/ocelot_board.c index 18df7d934e81..26bb3b18f3be 100644 --- a/drivers/net/ethernet/mscc/ocelot_board.c +++ b/drivers/net/ethernet/mscc/ocelot_board.c @@ -29,7 +29,7 @@ static int ocelot_parse_ifh(u32 *ifh, struct frame_info *info) info->port = (ifh[2] & GENMASK(14, 11)) >> 11; info->cpuq = (ifh[3] & GENMASK(27, 20)) >> 20; - info->tag_type = (ifh[3] & GENMASK(16, 16)) >> 16; + info->tag_type = (ifh[3] & BIT(16)) >> 16; info->vid = ifh[3] & GENMASK(11, 0); return 0; -- 2.17.1
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