#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"
if (ndev->irq == -ENXIO) {
netdev_err(ndev, "No irq resource\n");
ret = ndev->irq;
- goto out;
+ goto out_iounmap;
}
db->clk = devm_clk_get(&pdev->dev, NULL);
if (IS_ERR(db->clk)) {
ret = PTR_ERR(db->clk);
- goto out;
+ goto out_iounmap;
+ }
+
+ ret = clk_prepare_enable(db->clk);
+ if (ret) {
+ dev_err(&pdev->dev, "Error couldn't enable clock (%d)\n", ret);
+ goto out_iounmap;
}
- 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_clk_disable_unprepare;
+ }
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 */
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",
return 0;
+out_release_sram:
+ sunxi_sram_release(&pdev->dev);
+out_clk_disable_unprepare:
+ clk_disable_unprepare(db->clk);
+out_iounmap:
+ iounmap(db->membase);
out:
dev_err(db->dev, "not found (%d).\n", ret);
static int emac_remove(struct platform_device *pdev)
{
struct net_device *ndev = platform_get_drvdata(pdev);
+ struct emac_board_info *db = netdev_priv(ndev);
unregister_netdev(ndev);
+ sunxi_sram_release(&pdev->dev);
+ clk_disable_unprepare(db->clk);
+ iounmap(db->membase);
free_netdev(ndev);
dev_dbg(&pdev->dev, "released and freed device\n");