[PATCH net-next 7/24] bnx2x: do not call link update without HW notification
From: Vlad Zolotarov <hidden>
Date: 2011-06-14 11:34:21
Subsystem:
networking drivers, the rest · Maintainers:
Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
From: Yaniv Rosner <redacted> Signed-off-by: Yaniv Rosner <redacted> Signed-off-by: Vladislav Zolotarov <redacted> Signed-off-by: Eilon Greenstein <redacted> --- drivers/net/bnx2x/bnx2x_main.c | 10 ++++++++-- 1 files changed, 8 insertions(+), 2 deletions(-)
diff --git a/drivers/net/bnx2x/bnx2x_main.c b/drivers/net/bnx2x/bnx2x_main.c
index e6439a3..0e8d302 100644
--- a/drivers/net/bnx2x/bnx2x_main.c
+++ b/drivers/net/bnx2x/bnx2x_main.c@@ -2885,9 +2885,15 @@ static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) /* save nig interrupt mask */ nig_mask = REG_RD(bp, nig_int_mask_addr); - REG_WR(bp, nig_int_mask_addr, 0); - bnx2x_link_attn(bp); + /* If nig_mask is not set, no need to call the update + * function. + */ + if (nig_mask) { + REG_WR(bp, nig_int_mask_addr, 0); + + bnx2x_link_attn(bp); + } /* handle unicore attn? */ }
--
1.7.2.2