From mboxrd@z Thu Jan 1 00:00:00 1970 From: Nathan Sullivan Subject: [PATCH] net: macb: Do not enable RX buffer used interrupt Date: Mon, 4 May 2015 12:43:15 -0500 Message-ID: <1430761396-4878-1-git-send-email-nathan.sullivan@ni.com> Cc: linux-kernel@vger.kernel.org, Nathan Sullivan To: netdev@vger.kernel.org Return-path: Received: from skprod2.natinst.com ([130.164.80.23]:58684 "EHLO ni.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1750779AbbEDRns (ORCPT ); Mon, 4 May 2015 13:43:48 -0400 Sender: netdev-owner@vger.kernel.org List-ID: This driver does not handle the RX buffer used interrupt, nor does it need to due to handling the RX overflow interrupt already. Enabling the interrupt would lead to an infinite loop in the ISR. Signed-off-by: Nathan Sullivan --- drivers/net/ethernet/cadence/macb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/net/ethernet/cadence/macb.c b/drivers/net/ethernet/cadence/macb.c index 4104d49..b466697 100644 --- a/drivers/net/ethernet/cadence/macb.c +++ b/drivers/net/ethernet/cadence/macb.c @@ -44,8 +44,7 @@ /* level of occupied TX descriptors under which we wake up TX process */ #define MACB_TX_WAKEUP_THRESH (3 * TX_RING_SIZE / 4) -#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(RXUBR) \ - | MACB_BIT(ISR_ROVR)) +#define MACB_RX_INT_FLAGS (MACB_BIT(RCOMP) | MACB_BIT(ISR_ROVR)) #define MACB_TX_ERR_FLAGS (MACB_BIT(ISR_TUND) \ | MACB_BIT(ISR_RLE) \ | MACB_BIT(TXERR)) -- 1.7.10.4