diff options
| author | Giuseppe CAVALLARO | 2011-10-18 02:01:23 +0200 |
|---|---|---|
| committer | David S. Miller | 2011-10-20 01:24:17 +0200 |
| commit | 38fe7a93fc734357c4811f1c710b1906a87d315c (patch) | |
| tree | 3b3fff1fcbbf9f39cb766ba004290976c99b0912 /drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | |
| parent | stmmac: use predefined macros for HW cap register fields (V4) (diff) | |
| download | kernel-qcow2-linux-38fe7a93fc734357c4811f1c710b1906a87d315c.tar.gz kernel-qcow2-linux-38fe7a93fc734357c4811f1c710b1906a87d315c.tar.xz kernel-qcow2-linux-38fe7a93fc734357c4811f1c710b1906a87d315c.zip | |
stmmac: allow mmc usage only if feature actually available (V4)
Enable the MMC support if it is actually available from the
HW capability register.
Signed-off-by: Rayagond Kokatanur <rayagond@vayavyalabs.com>
Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c')
| -rw-r--r-- | drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c | 24 |
1 files changed, 14 insertions, 10 deletions
diff --git a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c index aedff9a90ebc..406404f6e321 100644 --- a/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c +++ b/drivers/net/ethernet/stmicro/stmmac/stmmac_ethtool.c @@ -96,7 +96,7 @@ static const struct stmmac_stats stmmac_gstrings_stats[] = { { #m, FIELD_SIZEOF(struct stmmac_counters, m), \ offsetof(struct stmmac_priv, mmc.m)} -static const struct stmmac_stats stmmac_gstr_mmc[] = { +static const struct stmmac_stats stmmac_mmc[] = { STMMAC_MMC_STAT(mmc_tx_octetcount_gb), STMMAC_MMC_STAT(mmc_tx_framecount_gb), STMMAC_MMC_STAT(mmc_tx_broadcastframe_g), @@ -177,7 +177,7 @@ static const struct stmmac_stats stmmac_gstr_mmc[] = { STMMAC_MMC_STAT(mmc_rx_icmp_gd_octets), STMMAC_MMC_STAT(mmc_rx_icmp_err_octets), }; -#define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_gstr_mmc) +#define STMMAC_MMC_STATS_LEN ARRAY_SIZE(stmmac_mmc) static void stmmac_ethtool_getdrvinfo(struct net_device *dev, struct ethtool_drvinfo *info) @@ -348,13 +348,17 @@ static void stmmac_get_ethtool_stats(struct net_device *dev, priv->ioaddr); else { /* If supported, for new GMAC chips expose the MMC counters */ - dwmac_mmc_read(priv->ioaddr, &priv->mmc); + if (priv->dma_cap.rmon) { + dwmac_mmc_read(priv->ioaddr, &priv->mmc); - for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { - char *p = (char *)priv + stmmac_gstr_mmc[i].stat_offset; + for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { + char *p; + p = (char *)priv + stmmac_mmc[i].stat_offset; - data[j++] = (stmmac_gstr_mmc[i].sizeof_stat == - sizeof(u64)) ? (*(u64 *)p) : (*(u32 *)p); + data[j++] = (stmmac_mmc[i].sizeof_stat == + sizeof(u64)) ? (*(u64 *)p) : + (*(u32 *)p); + } } } for (i = 0; i < STMMAC_STATS_LEN; i++) { @@ -373,7 +377,7 @@ static int stmmac_get_sset_count(struct net_device *netdev, int sset) case ETH_SS_STATS: len = STMMAC_STATS_LEN; - if (priv->plat->has_gmac) + if (priv->dma_cap.rmon) len += STMMAC_MMC_STATS_LEN; return len; @@ -390,9 +394,9 @@ static void stmmac_get_strings(struct net_device *dev, u32 stringset, u8 *data) switch (stringset) { case ETH_SS_STATS: - if (priv->plat->has_gmac) + if (priv->dma_cap.rmon) for (i = 0; i < STMMAC_MMC_STATS_LEN; i++) { - memcpy(p, stmmac_gstr_mmc[i].stat_string, + memcpy(p, stmmac_mmc[i].stat_string, ETH_GSTRING_LEN); p += ETH_GSTRING_LEN; } |