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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@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Sergei Shtylyov 2018-07-23 21:11:19 +03:00 committed by David S. Miller
parent 388c4bb4dc
commit 41414f0a85
1 changed files with 14 additions and 10 deletions
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24
drivers/net/ethernet/renesas/sh_eth.c
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@ -439,9 +439,9 @@ static void sh_eth_modify(struct net_device *ndev, int enum_index, u32 clear,
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 *reg, u8 *addr)
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_table(struct net_device *ndev,
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_table(struct net_device *ndev,
~(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_table(struct net_device *ndev,
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 net_device *ndev, const u8 *addr)
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 net_device *ndev)
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);
}