#include <linux/mtd/partitions.h>
#include <linux/slab.h>
#include <linux/of_device.h>
+#include <linux/of.h>
#include <linux/platform_data/mtd-davinci.h>
#include <linux/platform_data/mtd-davinci-aemif.h>
return pdev->dev.platform_data;
}
#else
-#define davinci_nand_of_match NULL
static struct davinci_nand_pdata
*nand_davinci_get_pdata(struct platform_device *pdev)
{
if (pdev->id < 0 || pdev->id > 3)
return -ENODEV;
- info = kzalloc(sizeof(*info), GFP_KERNEL);
+ info = devm_kzalloc(&pdev->dev, sizeof(*info), GFP_KERNEL);
if (!info) {
dev_err(&pdev->dev, "unable to allocate memory\n");
ret = -ENOMEM;
goto err_nomem;
}
- vaddr = ioremap(res1->start, resource_size(res1));
- base = ioremap(res2->start, resource_size(res2));
+ vaddr = devm_request_and_ioremap(&pdev->dev, res1);
+ base = devm_request_and_ioremap(&pdev->dev, res2);
if (!vaddr || !base) {
dev_err(&pdev->dev, "ioremap failed\n");
- ret = -EINVAL;
+ ret = -EADDRNOTAVAIL;
goto err_ioremap;
}
}
info->chip.ecc.mode = ecc_mode;
- info->clk = clk_get(&pdev->dev, "aemif");
+ info->clk = devm_clk_get(&pdev->dev, "aemif");
if (IS_ERR(info->clk)) {
ret = PTR_ERR(info->clk);
dev_dbg(&pdev->dev, "unable to get AEMIF clock, err %d\n", ret);
clk_disable_unprepare(info->clk);
err_clk_enable:
- clk_put(info->clk);
-
spin_lock_irq(&davinci_nand_lock);
if (ecc_mode == NAND_ECC_HW_SYNDROME)
ecc4_busy = false;
err_ecc:
err_clk:
err_ioremap:
- if (base)
- iounmap(base);
- if (vaddr)
- iounmap(vaddr);
-
err_nomem:
- kfree(info);
return ret;
}
ecc4_busy = false;
spin_unlock_irq(&davinci_nand_lock);
- iounmap(info->base);
- iounmap(info->vaddr);
-
nand_release(&info->mtd);
clk_disable_unprepare(info->clk);
- clk_put(info->clk);
-
- kfree(info);
return 0;
}
.driver = {
.name = "davinci_nand",
.owner = THIS_MODULE,
- .of_match_table = davinci_nand_of_match,
+ .of_match_table = of_match_ptr(davinci_nand_of_match),
},
};
MODULE_ALIAS("platform:davinci_nand");
-static int __init nand_davinci_init(void)
-{
- return platform_driver_probe(&nand_davinci_driver, nand_davinci_probe);
-}
-module_init(nand_davinci_init);
-
-static void __exit nand_davinci_exit(void)
-{
- platform_driver_unregister(&nand_davinci_driver);
-}
-module_exit(nand_davinci_exit);
+module_platform_driver_probe(nand_davinci_driver, nand_davinci_probe);
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Texas Instruments");