From: Jack Morgenstein Date: Mon, 10 Dec 2007 03:25:23 +0000 (+0200) Subject: mlx4_core: Fix max_eqs masking in QUERY_DEV_CAP X-Git-Tag: v2.6.25-rc1~1234^2~58 X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=5920869f1ec263fee4255ec71d333c118406a419 mlx4_core: Fix max_eqs masking in QUERY_DEV_CAP log_max_eqs is a 4-bit field, not a 3-bit field in the response to the QUERY_DEV_CAP FW command, so we should mask with 0xf instead of 0x7 when reading it. Found by Yossi Leybovitch of Mellanox. Signed-off-by: Jack Morgenstein Signed-off-by: Roland Dreier --- diff --git a/drivers/net/mlx4/fw.c b/drivers/net/mlx4/fw.c index 50648738d679..535a4461d88c 100644 --- a/drivers/net/mlx4/fw.c +++ b/drivers/net/mlx4/fw.c @@ -202,7 +202,7 @@ int mlx4_QUERY_DEV_CAP(struct mlx4_dev *dev, struct mlx4_dev_cap *dev_cap) MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_EQ_OFFSET); dev_cap->reserved_eqs = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_EQ_OFFSET); - dev_cap->max_eqs = 1 << (field & 0x7); + dev_cap->max_eqs = 1 << (field & 0xf); MLX4_GET(field, outbox, QUERY_DEV_CAP_RSVD_MTT_OFFSET); dev_cap->reserved_mtts = 1 << (field >> 4); MLX4_GET(field, outbox, QUERY_DEV_CAP_MAX_MRW_SZ_OFFSET);