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Date: Mon, 23 Jul 2018 21:11:19 +0300
From: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
To: netdev@...r.kernel.org, "David S. Miller" <davem@...emloft.net>
Cc: linux-renesas-soc@...r.kernel.org
Subject: [PATCH 2/5] sh_eth: make sh_eth_tsu_get_offset() match its name
sh_eth_tsu_get_offset(), despite its name, returns a TSU register's address,
not its offset. Make this function match its name and return a register's
offset from the TSU registers base address instead.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@...entembedded.com>
---
drivers/net/ethernet/renesas/sh_eth.c | 24 ++++++++++++++----------
1 file changed, 14 insertions(+), 10 deletions(-)
Index: net-next/drivers/net/ethernet/renesas/sh_eth.c
===================================================================
--- net-next.orig/drivers/net/ethernet/renesas/sh_eth.c
+++ net-next/drivers/net/ethernet/renesas/sh_eth.c
@@ -439,9 +439,9 @@ static void sh_eth_modify(struct net_dev
enum_index);
}
-static void *sh_eth_tsu_get_offset(struct sh_eth_private *mdp, int enum_index)
+static u16 sh_eth_tsu_get_offset(struct sh_eth_private *mdp, int enum_index)
{
- return mdp->tsu_addr + mdp->reg_offset[enum_index];
+ return mdp->reg_offset[enum_index];
}
static void sh_eth_tsu_write(struct sh_eth_private *mdp, u32 data,
@@ -2712,12 +2712,12 @@ static void sh_eth_tsu_read_entry(void *
static int sh_eth_tsu_find_entry(struct net_device *ndev, const u8 *addr)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int i;
u8 c_addr[ETH_ALEN];
for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) {
- sh_eth_tsu_read_entry(reg_offset, c_addr);
+ sh_eth_tsu_read_entry(mdp->tsu_addr + reg_offset, c_addr);
if (ether_addr_equal(addr, c_addr))
return i;
}
@@ -2739,7 +2739,7 @@ static int sh_eth_tsu_disable_cam_entry_
int entry)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int ret;
u8 blank[ETH_ALEN];
@@ -2747,7 +2747,9 @@ static int sh_eth_tsu_disable_cam_entry_
~(1 << (31 - entry)), TSU_TEN);
memset(blank, 0, sizeof(blank));
- ret = sh_eth_tsu_write_entry(ndev, reg_offset + entry * 8, blank);
+ ret = sh_eth_tsu_write_entry(ndev,
+ mdp->tsu_addr + reg_offset + entry * 8,
+ blank);
if (ret < 0)
return ret;
return 0;
@@ -2756,7 +2758,7 @@ static int sh_eth_tsu_disable_cam_entry_
static int sh_eth_tsu_add_entry(struct net_device *ndev, const u8 *addr)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int i, ret;
if (!mdp->cd->tsu)
@@ -2768,7 +2770,9 @@ static int sh_eth_tsu_add_entry(struct n
i = sh_eth_tsu_find_empty(ndev);
if (i < 0)
return -ENOMEM;
- ret = sh_eth_tsu_write_entry(ndev, reg_offset + i * 8, addr);
+ ret = sh_eth_tsu_write_entry(ndev,
+ mdp->tsu_addr + reg_offset + i * 8,
+ addr);
if (ret < 0)
return ret;
@@ -2830,15 +2834,15 @@ static int sh_eth_tsu_purge_all(struct n
static void sh_eth_tsu_purge_mcast(struct net_device *ndev)
{
struct sh_eth_private *mdp = netdev_priv(ndev);
+ u16 reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
u8 addr[ETH_ALEN];
- void *reg_offset = sh_eth_tsu_get_offset(mdp, TSU_ADRH0);
int i;
if (!mdp->cd->tsu)
return;
for (i = 0; i < SH_ETH_TSU_CAM_ENTRIES; i++, reg_offset += 8) {
- sh_eth_tsu_read_entry(reg_offset, addr);
+ sh_eth_tsu_read_entry(mdp->tsu_addr + reg_offset, addr);
if (is_multicast_ether_addr(addr))
sh_eth_tsu_del_entry(ndev, addr);
}
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