From mboxrd@z Thu Jan 1 00:00:00 1970 From: WingMan Kwok Subject: [net-next PATCH v0 2/6] net: netcp: Fixes hw statistics module base setting error Date: Thu, 23 Jul 2015 09:32:44 -0400 Message-ID: <1437658368-1679-3-git-send-email-w-kwok2@ti.com> References: <1437658368-1679-1-git-send-email-w-kwok2@ti.com> Mime-Version: 1.0 Content-Type: text/plain Cc: WingMan Kwok To: , , , Return-path: Received: from bear.ext.ti.com ([192.94.94.41]:38155 "EHLO bear.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752945AbbGWNdJ (ORCPT ); Thu, 23 Jul 2015 09:33:09 -0400 In-Reply-To: <1437658368-1679-1-git-send-email-w-kwok2@ti.com> Sender: netdev-owner@vger.kernel.org List-ID: This patch fixes error in the setting of the hw statistics module base for K2HK platform. In K2HK although there are 4 hw statistics modules, but only 2 are visible at a time. Thus when setting up the pointers to the base of the corresponding hw statistics modules, modules 0 and 2 should point to one base, while modules 1 and 3 should point to the other. Signed-off-by: WingMan Kwok --- drivers/net/ethernet/ti/netcp_ethss.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index cabf977..b954856 100644 --- a/drivers/net/ethernet/ti/netcp_ethss.c +++ b/drivers/net/ethernet/ti/netcp_ethss.c @@ -2675,10 +2675,14 @@ static int set_gbe_ethss14_priv(struct gbe_priv *gbe_dev, gbe_dev->sgmii_port_regs = gbe_dev->ss_regs + GBE13_SGMII_MODULE_OFFSET; gbe_dev->host_port_regs = gbe_dev->switch_regs + GBE13_HOST_PORT_OFFSET; + /* K2HK has only 2 hw stats modules visible at a time, so + * module 0 & 2 points to one base and + * module 1 & 3 points to the other base + */ for (i = 0; i < gbe_dev->max_num_slaves; i++) { gbe_dev->hw_stats_regs[i] = gbe_dev->switch_regs + GBE13_HW_STATS_OFFSET + - (GBE_HW_STATS_REG_MAP_SZ * i); + (GBE_HW_STATS_REG_MAP_SZ * (i & 0x1)); } gbe_dev->ale_reg = gbe_dev->switch_regs + GBE13_ALE_OFFSET; -- 1.7.9.5