From: WingMan Kwok Date: Thu, 23 Jul 2015 19:57:20 +0000 (-0400) Subject: net: netcp: Fixes hw statistics module base setting error X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=a94bcd09c554e8df3a32ef3f25ecfd74e73b9651;p=linux-beck.git net: netcp: Fixes hw statistics module base setting error 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 Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/ti/netcp_ethss.c b/drivers/net/ethernet/ti/netcp_ethss.c index cabf97728b2d..b954856f1198 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;