X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/8631d395e17adfd4c61ef1bf856cbf6a1cb7c307..d2b8246b44ea4956f89668794d05f6b040d1f081:/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c diff --git a/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c b/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c index ca9d8adb5..1cb8f8240 100644 --- a/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c +++ b/target/linux/ar71xx/files/drivers/mtd/nand/rb4xx_nand.c @@ -1,7 +1,7 @@ /* * NAND flash driver for the MikroTik RouterBoard 4xx series * - * Copyright (C) 2008-2010 Gabor Juhos + * Copyright (C) 2008-2011 Gabor Juhos * Copyright (C) 2008 Imre Kaloz * * This file was based on the driver for Linux 2.6.22 published by @@ -12,6 +12,8 @@ * by the Free Software Foundation. */ +#include +#include #include #include #include @@ -22,8 +24,8 @@ #include #include -#include -#include +#include +#include #define DRV_NAME "rb4xx-nand" #define DRV_VERSION "0.2.0" @@ -71,7 +73,7 @@ static struct mtd_partition rb4xx_nand_partitions[] = { static int rb4xx_nand_dev_ready(struct mtd_info *mtd) { - return gpio_get_value(RB4XX_NAND_GPIO_READY); + return gpio_get_value_cansleep(RB4XX_NAND_GPIO_READY); } static void rb4xx_nand_write_cmd(unsigned char cmd) @@ -88,9 +90,12 @@ static void rb4xx_nand_cmd_ctrl(struct mtd_info *mtd, int cmd, unsigned int ctrl) { if (ctrl & NAND_CTRL_CHANGE) { - gpio_set_value(RB4XX_NAND_GPIO_CLE, (ctrl & NAND_CLE) ? 1 : 0); - gpio_set_value(RB4XX_NAND_GPIO_ALE, (ctrl & NAND_ALE) ? 1 : 0); - gpio_set_value(RB4XX_NAND_GPIO_NCE, (ctrl & NAND_NCE) ? 0 : 1); + gpio_set_value_cansleep(RB4XX_NAND_GPIO_CLE, + (ctrl & NAND_CLE) ? 1 : 0); + gpio_set_value_cansleep(RB4XX_NAND_GPIO_ALE, + (ctrl & NAND_ALE) ? 1 : 0); + gpio_set_value_cansleep(RB4XX_NAND_GPIO_NCE, + (ctrl & NAND_NCE) ? 0 : 1); } if (cmd != NAND_CMD_NONE) @@ -131,7 +136,7 @@ static void rb4xx_nand_read_buf(struct mtd_info *mtd, unsigned char *buf, pr_err("rb4xx_nand: read buf failed, err=%d\n", err); } -static int __init rb4xx_nand_probe(struct platform_device *pdev) +static int __devinit rb4xx_nand_probe(struct platform_device *pdev) { struct rb4xx_nand_info *info; int ret; @@ -210,7 +215,9 @@ static int __init rb4xx_nand_probe(struct platform_device *pdev) info->chip.read_byte = rb4xx_nand_read_byte; info->chip.write_buf = rb4xx_nand_write_buf; info->chip.read_buf = rb4xx_nand_read_buf; -// info->chip.verify_buf = rb4xx_nand_verify_buf; +#if 0 + info->chip.verify_buf = rb4xx_nand_verify_buf; +#endif info->chip.chip_delay = 25; info->chip.ecc.mode = NAND_ECC_SOFT; @@ -218,7 +225,7 @@ static int __init rb4xx_nand_probe(struct platform_device *pdev) platform_set_drvdata(pdev, info); - ret = nand_scan_ident(&info->mtd, 1); + ret = nand_scan_ident(&info->mtd, 1, NULL); if (ret) { ret = -ENXIO; goto err_free_info; @@ -233,32 +240,28 @@ static int __init rb4xx_nand_probe(struct platform_device *pdev) goto err_set_drvdata; } -#ifdef CONFIG_MTD_PARTITIONS - ret = add_mtd_partitions(&info->mtd, rb4xx_nand_partitions, + mtd_device_register(&info->mtd, rb4xx_nand_partitions, ARRAY_SIZE(rb4xx_nand_partitions)); -#else - ret = add_mtd_device(&info->mtd); -#endif if (ret) goto err_release_nand; return 0; - err_release_nand: +err_release_nand: nand_release(&info->mtd); - err_set_drvdata: +err_set_drvdata: platform_set_drvdata(pdev, NULL); - err_free_info: +err_free_info: kfree(info); - err_free_gpio_nce: +err_free_gpio_nce: gpio_free(RB4XX_NAND_GPIO_NCE); - err_free_gpio_cle: +err_free_gpio_cle: gpio_free(RB4XX_NAND_GPIO_CLE); - err_free_gpio_ale: +err_free_gpio_ale: gpio_free(RB4XX_NAND_GPIO_ALE); - err_free_gpio_ready: +err_free_gpio_ready: gpio_free(RB4XX_NAND_GPIO_READY); - err: +err: return ret; }