}
res_size = resource_size(res);
+
+ if (!request_mem_region(res->start, res_size, DRIVER_NAME)) {
+ ret = -EBUSY;
+ goto fail0;
+ }
+
base = ioremap(res->start, res_size);
if (!base) {
dev_err(&pdev->dev, "ioremap failed\n");
ret = -EIO;
- goto fail0;
+ goto fail1;
}
i2c_imx = kzalloc(sizeof(struct imx_i2c_struct), GFP_KERNEL);
if (!i2c_imx) {
dev_err(&pdev->dev, "can't allocate interface\n");
ret = -ENOMEM;
- goto fail1;
- }
-
- if (!request_mem_region(res->start, res_size, DRIVER_NAME)) {
- ret = -EBUSY;
goto fail2;
}
fail4:
clk_put(i2c_imx->clk);
fail3:
- release_mem_region(i2c_imx->res->start, resource_size(res));
-fail2:
kfree(i2c_imx);
-fail1:
+fail2:
iounmap(base);
+fail1:
+ release_mem_region(res->start, resource_size(res));
fail0:
if (pdata && pdata->exit)
pdata->exit(&pdev->dev);
clk_put(i2c_imx->clk);
- release_mem_region(i2c_imx->res->start, resource_size(i2c_imx->res));
iounmap(i2c_imx->base);
+ release_mem_region(i2c_imx->res->start, resource_size(i2c_imx->res));
kfree(i2c_imx);
return 0;
}