diff options
| author | Hans de Goede <hdegoede@redhat.com> | 2015-08-23 21:31:38 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-08-25 23:48:59 +0300 |
| commit | 542a64c7076565d73eea39057113914e1607db30 (patch) | |
| tree | 49e1268b1aca59004dfcc38a368aa2e1a5e9b833 /drivers | |
| parent | 2c0027cd54cc3ed856e87d9aeddb6ef00f5f17f4 (diff) | |
| download | linux-542a64c7076565d73eea39057113914e1607db30.tar.xz | |
net: sun4i-emac: Claim emac sram
Claim the emac sram ourselves, rather then relying on the bootloader
having mapped the sram to the emac controller during boot.
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/net/ethernet/allwinner/sun4i-emac.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c b/drivers/net/ethernet/allwinner/sun4i-emac.c index bab01c849165..48ce83e443c2 100644 --- a/drivers/net/ethernet/allwinner/sun4i-emac.c +++ b/drivers/net/ethernet/allwinner/sun4i-emac.c @@ -28,6 +28,7 @@ #include <linux/of_platform.h> #include <linux/platform_device.h> #include <linux/phy.h> +#include <linux/soc/sunxi/sunxi_sram.h> #include "sun4i-emac.h" @@ -857,11 +858,17 @@ static int emac_probe(struct platform_device *pdev) clk_prepare_enable(db->clk); + ret = sunxi_sram_claim(&pdev->dev); + if (ret) { + dev_err(&pdev->dev, "Error couldn't map SRAM to device\n"); + goto out; + } + db->phy_node = of_parse_phandle(np, "phy", 0); if (!db->phy_node) { dev_err(&pdev->dev, "no associated PHY\n"); ret = -ENODEV; - goto out; + goto out_release_sram; } /* Read MAC-address from DT */ @@ -893,7 +900,7 @@ static int emac_probe(struct platform_device *pdev) if (ret) { dev_err(&pdev->dev, "Registering netdev failed!\n"); ret = -ENODEV; - goto out; + goto out_release_sram; } dev_info(&pdev->dev, "%s: at %p, IRQ %d MAC: %pM\n", @@ -901,6 +908,8 @@ static int emac_probe(struct platform_device *pdev) return 0; +out_release_sram: + sunxi_sram_release(&pdev->dev); out: dev_err(db->dev, "not found (%d).\n", ret); |