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authorAlexandre TORGUE <alexandre.torgue@st.com>2016-04-01 09:37:27 (GMT)
committerDavid S. Miller <davem@davemloft.net>2016-04-03 00:23:07 (GMT)
commitc623d149b18cbdb7e9f782ced0c859b1836ef3cd (patch)
treee376c08333fddd54506db90e1484df1bd94ff2d2 /drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
parentd0225e7de6229068df99ba8dacebc826d27e1cd5 (diff)
downloadlinux-c623d149b18cbdb7e9f782ced0c859b1836ef3cd.tar.xz
stmmac: rework synopsys id read, moved to dwmac setup
synopsys_uid is only used once after setup, to get synopsys_id by using shitf/mask operation. It's no longer used then. So, remove this temporary variable and directly compute synopsys_id from setup routine. Acked-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@st.com> Signed-off-by: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_main.c')
-rw-r--r--drivers/net/ethernet/stmicro/stmmac/stmmac_main.c31
1 files changed, 3 insertions, 28 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
index 0c9a2b9..1186ac9 100644
--- a/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
+++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_main.c
@@ -1462,29 +1462,6 @@ static void stmmac_mmc_setup(struct stmmac_priv *priv)
}
/**
- * stmmac_get_synopsys_id - return the SYINID.
- * @priv: driver private structure
- * Description: this simple function is to decode and return the SYINID
- * starting from the HW core register.
- */
-static u32 stmmac_get_synopsys_id(struct stmmac_priv *priv)
-{
- u32 hwid = priv->hw->synopsys_uid;
-
- /* Check Synopsys Id (not available on old chips) */
- if (likely(hwid)) {
- u32 uid = ((hwid & 0x0000ff00) >> 8);
- u32 synid = (hwid & 0x000000ff);
-
- pr_info("stmmac - user ID: 0x%x, Synopsys ID: 0x%x\n",
- uid, synid);
-
- return synid;
- }
- return 0;
-}
-
-/**
* stmmac_selec_desc_mode - to select among: normal/alternate/extend descriptors
* @priv: driver private structure
* Description: select the Enhanced/Alternate or Normal descriptors.
@@ -2757,18 +2734,16 @@ static int stmmac_hw_init(struct stmmac_priv *priv)
priv->dev->priv_flags |= IFF_UNICAST_FLT;
mac = dwmac1000_setup(priv->ioaddr,
priv->plat->multicast_filter_bins,
- priv->plat->unicast_filter_entries);
+ priv->plat->unicast_filter_entries,
+ &priv->synopsys_id);
} else {
- mac = dwmac100_setup(priv->ioaddr);
+ mac = dwmac100_setup(priv->ioaddr, &priv->synopsys_id);
}
if (!mac)
return -ENOMEM;
priv->hw = mac;
- /* Get and dump the chip ID */
- priv->synopsys_id = stmmac_get_synopsys_id(priv);
-
/* To use the chained or ring mode */
if (chain_mode) {
priv->hw->mode = &chain_mode_ops;