diff options
| author |   Tony Lindgren <tony@atomide.com> | 2015-01-28 11:33:05 -0800 |
|---|---|---|
| committer |   David S. Miller <davem@davemloft.net> | 2015-01-30 17:42:01 -0800 |
| commit | 9120bd6e9f779d921450ec53cea02eff07003eae (patch) | |
| tree | 379d30c613d0287e1c491b915841393c158bba1e /drivers | |
| parent | net: cpsw: Add a minimal cpsw-common module for shared code (diff) | |
| download | linux-dev-9120bd6e9f779d921450ec53cea02eff07003eae.tar.xz linux-dev-9120bd6e9f779d921450ec53cea02eff07003eae.zip | |
net: davinci_emac: Get device dm816x MAC address using the cpsw code
At least on dm81xx, we can get the davinci_emac MAC address the same
way as on am33xx cpsw.
Let's also use ether_addr_copy() for davinci_emac while at it.
Cc: Brian Hutchinson <b.hutchman@gmail.com>
Cc: Felipe Balbi <balbi@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/ti/davinci_emac.c | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 5fae4354722c..a7169384ff6e 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -69,6 +69,7 @@ #include <asm/irq.h> #include <asm/page.h> +#include "cpsw.h" #include "davinci_cpdma.h" static int debug_level; @@ -1838,7 +1839,7 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv) if (!is_valid_ether_addr(pdata->mac_addr)) { mac_addr = of_get_mac_address(np); if (mac_addr) - memcpy(pdata->mac_addr, mac_addr, ETH_ALEN); + ether_addr_copy(pdata->mac_addr, mac_addr); } of_property_read_u32(np, "ti,davinci-ctrl-reg-offset", @@ -1879,6 +1880,22 @@ davinci_emac_of_get_pdata(struct platform_device *pdev, struct emac_priv *priv) return pdata; } +static int davinci_emac_try_get_mac(struct platform_device *pdev, + int instance, u8 *mac_addr) +{ + int error = -EINVAL; + + if (!pdev->dev.of_node) + return error; + + if (of_device_is_compatible(pdev->dev.of_node, "ti,dm816-emac")) + error = cpsw_am33xx_cm_get_macid(&pdev->dev, 0x30, + instance, + mac_addr); + + return error; +} + /** * davinci_emac_probe - EMAC device probe * @pdev: The DaVinci EMAC device that we are removing @@ -2009,6 +2026,10 @@ static int davinci_emac_probe(struct platform_device *pdev) } ndev->irq = res->start; + rc = davinci_emac_try_get_mac(pdev, res_ctrl ? 0 : 1, priv->mac_addr); + if (!rc) + ether_addr_copy(ndev->dev_addr, priv->mac_addr); + if (!is_valid_ether_addr(priv->mac_addr)) { /* Use random MAC if none passed */ eth_hw_addr_random(ndev); |