sh_eth: TSU_QTAG0/1 registers the same as TSU_QTAGM0/1

The TSU_QTAG0/1 registers found in the Gigabit Ether controllers actually
have the same long name  as the TSU_QTAGM0/1 registers in the early Ether
controllers:  Qtag Addition/Deletion Set Register (Port 0/1 to 1/0); thus
there's no need to make a difference in sh_eth_tsu_init() between those
controllers. Unfortunately, we can't just remove TSU_QTAG0/1 from the
register *enum* because that would break the ethtool register dump...

Fixes: b0ca2a21f769 ("sh_eth: Add support of SH7763 to sh_eth")
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index d7d5a6d..4502ff7 100644 (file)
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -123,8 +123,8 @@ static const u16 sh_eth_offset_gigabit[SH_ETH_MAX_REGISTER_OFFSET] = {
        [TSU_FWSL0]     = 0x0030,
        [TSU_FWSL1]     = 0x0034,
        [TSU_FWSLC]     = 0x0038,
-       [TSU_QTAG0]     = 0x0040,
-       [TSU_QTAG1]     = 0x0044,
+       [TSU_QTAGM0]    = 0x0040,
+       [TSU_QTAGM1]    = 0x0044,
        [TSU_FWSR]      = 0x0050,
        [TSU_FWINMK]    = 0x0054,
        [TSU_ADQT0]     = 0x0048,
@@ -2097,8 +2097,6 @@ static size_t __sh_eth_get_regs(struct net_device *ndev, u32 *buf)
                add_tsu_reg(TSU_FWSL0);
                add_tsu_reg(TSU_FWSL1);
                add_tsu_reg(TSU_FWSLC);
-               add_tsu_reg(TSU_QTAG0);
-               add_tsu_reg(TSU_QTAG1);
                add_tsu_reg(TSU_QTAGM0);
                add_tsu_reg(TSU_QTAGM1);
                add_tsu_reg(TSU_FWSR);
@@ -2934,13 +2932,8 @@ static void sh_eth_tsu_init(struct sh_eth_private *mdp)
        sh_eth_tsu_write(mdp, 0, TSU_FWSL0);
        sh_eth_tsu_write(mdp, 0, TSU_FWSL1);
        sh_eth_tsu_write(mdp, TSU_FWSLC_POSTENU | TSU_FWSLC_POSTENL, TSU_FWSLC);
-       if (sh_eth_is_gether(mdp)) {
-               sh_eth_tsu_write(mdp, 0, TSU_QTAG0);    /* Disable QTAG(0->1) */
-               sh_eth_tsu_write(mdp, 0, TSU_QTAG1);    /* Disable QTAG(1->0) */
-       } else {
-               sh_eth_tsu_write(mdp, 0, TSU_QTAGM0);   /* Disable QTAG(0->1) */
-               sh_eth_tsu_write(mdp, 0, TSU_QTAGM1);   /* Disable QTAG(1->0) */
-       }
+       sh_eth_tsu_write(mdp, 0, TSU_QTAGM0);   /* Disable QTAG(0->1) */
+       sh_eth_tsu_write(mdp, 0, TSU_QTAGM1);   /* Disable QTAG(1->0) */
        sh_eth_tsu_write(mdp, 0, TSU_FWSR);     /* all interrupt status clear */
        sh_eth_tsu_write(mdp, 0, TSU_FWINMK);   /* Disable all interrupt */
        sh_eth_tsu_write(mdp, 0, TSU_TEN);      /* Disable all CAM entry */

diff --git a/drivers/net/ethernet/renesas/sh_eth.h b/drivers/net/ethernet/renesas/sh_eth.h
index a6753cc..35bfeeb 100644 (file)
--- a/drivers/net/ethernet/renesas/sh_eth.h
+++ b/drivers/net/ethernet/renesas/sh_eth.h
@@ -118,8 +118,8 @@ enum {
        TSU_FWSL0,
        TSU_FWSL1,
        TSU_FWSLC,
-       TSU_QTAG0,
-       TSU_QTAG1,
+       TSU_QTAG0,                      /* Same as TSU_QTAGM0 */
+       TSU_QTAG1,                      /* Same as TSU_QTAGM1 */
        TSU_QTAGM0,
        TSU_QTAGM1,
        TSU_FWSR,