xiaomi-sm8450/android_kernel_xiaomi_sm8450
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Merge branch 'next-mtd' of git://aeryn.fluff.org.uk/bjdooks/linux

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This commit is contained in:
David Woodhouse
2009-06-08 12:21:27 +01:00
parent 143070e746 947391cfba
commit e635a01ea0
697 changed files with 19088 additions and 5198 deletions
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40
drivers/mtd/nand/mxc_nand.c
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@@ -842,6 +842,7 @@ static void mxc_nand_command(struct mtd_info *mtd, unsigned command,
break;
case NAND_CMD_READID:
host->col_addr = 0;
send_read_id(host);
break;
@@ -878,6 +879,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
mtd->priv = this;
mtd->owner = THIS_MODULE;
mtd->dev.parent = &pdev->dev;
mtd->name = "mxc_nand";
/* 50 us command delay time */
this->chip_delay = 5;
@@ -893,8 +895,10 @@ static int __init mxcnd_probe(struct platform_device *pdev)
this->verify_buf = mxc_nand_verify_buf;
host->clk = clk_get(&pdev->dev, "nfc");
if (IS_ERR(host->clk))
if (IS_ERR(host->clk)) {
err = PTR_ERR(host->clk);
goto eclk;
}
clk_enable(host->clk);
host->clk_act = 1;
@@ -907,7 +911,7 @@ static int __init mxcnd_probe(struct platform_device *pdev)
host->regs = ioremap(res->start, res->end - res->start + 1);
if (!host->regs) {
err = -EIO;
err = -ENOMEM;
goto eres;
}
@@ -1053,25 +1057,35 @@ static int __devexit mxcnd_remove(struct platform_device *pdev)
#ifdef CONFIG_PM
static int mxcnd_suspend(struct platform_device *pdev, pm_message_t state)
{
struct mtd_info *info = platform_get_drvdata(pdev);
struct mtd_info *mtd = platform_get_drvdata(pdev);
struct nand_chip *nand_chip = mtd->priv;
struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND suspend\n");
/* Disable the NFC clock */
clk_disable(nfc_clk); /* FIXME */
if (mtd) {
ret = mtd->suspend(mtd);
/* Disable the NFC clock */
clk_disable(host->clk);
}
return ret;
}
static int mxcnd_resume(struct platform_device *pdev)
{
struct mtd_info *info = platform_get_drvdata(pdev);
struct mtd_info *mtd = platform_get_drvdata(pdev);
struct nand_chip *nand_chip = mtd->priv;
struct mxc_nand_host *host = nand_chip->priv;
int ret = 0;
DEBUG(MTD_DEBUG_LEVEL0, "MXC_ND : NAND resume\n");
/* Enable the NFC clock */
clk_enable(nfc_clk); /* FIXME */
if (mtd) {
/* Enable the NFC clock */
clk_enable(host->clk);
mtd->resume(mtd);
}
return ret;
}
@@ -1092,13 +1106,7 @@ static struct platform_driver mxcnd_driver = {
static int __init mxc_nd_init(void)
{
/* Register the device driver structure. */
pr_info("MXC MTD nand Driver\n");
if (platform_driver_probe(&mxcnd_driver, mxcnd_probe) != 0) {
printk(KERN_ERR "Driver register failed for mxcnd_driver\n");
return -ENODEV;
}
return 0;
return platform_driver_probe(&mxcnd_driver, mxcnd_probe);
}
static void __exit mxc_nd_cleanup(void)