From 9b1340bb2192826f6072c13a43012c6bef3dec42 Mon Sep 17 00:00:00 2001 From: Sergei Shtylyov Date: Wed, 2 May 2018 22:54:48 +0300 Subject: [PATCH 1229/1795] sh_eth: use TSU register accessors for TSU_POST There's no particularly good reason TSU_POST registers get accessed circumventing sh_eth_tsu_{read|write}() -- start using those, removing (badly named) sh_eth_tsu_get_post_reg_offset(), while at it... Signed-off-by: Sergei Shtylyov Signed-off-by: David S. Miller (cherry picked from commit 77cb065fde0a179f252caabfad5466cf9c522572) Signed-off-by: Simon Horman Signed-off-by: Geert Uytterhoeven --- drivers/net/ethernet/renesas/sh_eth.c | 20 ++++++-------------- 1 file changed, 6 insertions(+), 14 deletions(-) diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c index d14914495a65..b71f726abb53 100644 --- a/drivers/net/ethernet/renesas/sh_eth.c +++ b/drivers/net/ethernet/renesas/sh_eth.c @@ -2583,12 +2583,6 @@ static int sh_eth_change_mtu(struct net_device *ndev, int new_mtu) } /* For TSU_POSTn. Please refer to the manual about this (strange) bitfields */ -static void *sh_eth_tsu_get_post_reg_offset(struct sh_eth_private *mdp, - int entry) -{ - return sh_eth_tsu_get_offset(mdp, TSU_POST1) + (entry / 8 * 4); -} - static u32 sh_eth_tsu_get_post_mask(int entry) { return 0x0f << (28 - ((entry % 8) * 4)); @@ -2603,27 +2597,25 @@ static void sh_eth_tsu_enable_cam_entry_post(struct net_device *ndev, int entry) { struct sh_eth_private *mdp = netdev_priv(ndev); + int reg = TSU_POST1 + entry / 8; u32 tmp; - void *reg_offset; - reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); - tmp = ioread32(reg_offset); - iowrite32(tmp | sh_eth_tsu_get_post_bit(mdp, entry), reg_offset); + tmp = sh_eth_tsu_read(mdp, reg); + sh_eth_tsu_write(mdp, tmp | sh_eth_tsu_get_post_bit(mdp, entry), reg); } static bool sh_eth_tsu_disable_cam_entry_post(struct net_device *ndev, int entry) { struct sh_eth_private *mdp = netdev_priv(ndev); + int reg = TSU_POST1 + entry / 8; u32 post_mask, ref_mask, tmp; - void *reg_offset; - reg_offset = sh_eth_tsu_get_post_reg_offset(mdp, entry); post_mask = sh_eth_tsu_get_post_mask(entry); ref_mask = sh_eth_tsu_get_post_bit(mdp, entry) & ~post_mask; - tmp = ioread32(reg_offset); - iowrite32(tmp & ~post_mask, reg_offset); + tmp = sh_eth_tsu_read(mdp, reg); + sh_eth_tsu_write(mdp, tmp & ~post_mask, reg); /* If other port enables, the function returns "true" */ return tmp & ref_mask; -- 2.19.0