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 <hdego...@redhat.com>
---
drivers/net/ethernet/allwinner/sun4i-emac.c | 13 +++++++++++--
1 file changed, 11 insertions(+), 2 deletions(-)
diff --git a/drivers/net/ethernet/allwinner/sun4i-emac.c
b/drivers/net/ethernet/allwinner/sun4i-emac.c
index bab01c84..48ce83e 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);
--
2.4.3
--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
