diff options
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/Kconfig | 17 | ||||
| -rw-r--r-- | drivers/mtd/nand/au1550nd.c | 4 | ||||
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 26 |
3 files changed, 34 insertions, 13 deletions
diff --git a/drivers/mtd/nand/Kconfig b/drivers/mtd/nand/Kconfig index 1fc4c134d93..cfe288a6e85 100644 --- a/drivers/mtd/nand/Kconfig +++ b/drivers/mtd/nand/Kconfig @@ -178,17 +178,16 @@ config MTD_NAND_DISKONCHIP_BBTWRITE Even if you leave this disabled, you can enable BBT writes at module load time (assuming you build diskonchip as a module) with the module parameter "inftl_bbt_write=1". - - config MTD_NAND_SHARPSL - bool "Support for NAND Flash on Sharp SL Series (C7xx + others)" - depends on MTD_NAND && ARCH_PXA - - config MTD_NAND_NANDSIM - bool "Support for NAND Flash Simulator" - depends on MTD_NAND && MTD_PARTITIONS +config MTD_NAND_SHARPSL + tristate "Support for NAND Flash on Sharp SL Series (C7xx + others)" + depends on MTD_NAND && ARCH_PXA + +config MTD_NAND_NANDSIM + tristate "Support for NAND Flash Simulator" + depends on MTD_NAND && MTD_PARTITIONS help The simulator may simulate verious NAND flash chips for the MTD nand layer. - + endmenu diff --git a/drivers/mtd/nand/au1550nd.c b/drivers/mtd/nand/au1550nd.c index 201e1362da1..bde3550910a 100644 --- a/drivers/mtd/nand/au1550nd.c +++ b/drivers/mtd/nand/au1550nd.c @@ -55,8 +55,6 @@ static const struct mtd_partition partition_info[] = { .size = MTDPART_SIZ_FULL } }; -#define NB_OF(x) (sizeof(x)/sizeof(x[0])) - /** * au_read_byte - read one byte from the chip @@ -462,7 +460,7 @@ int __init au1xxx_nand_init (void) } /* Register the partitions */ - add_mtd_partitions(au1550_mtd, partition_info, NB_OF(partition_info)); + add_mtd_partitions(au1550_mtd, partition_info, ARRAY_SIZE(partition_info)); return 0; diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 5d222460b42..95e96fa1fce 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -80,6 +80,7 @@ #include <linux/mtd/compatmac.h> #include <linux/interrupt.h> #include <linux/bitops.h> +#include <linux/leds.h> #include <asm/io.h> #ifdef CONFIG_MTD_PARTITIONS @@ -515,6 +516,8 @@ static int nand_block_checkbad (struct mtd_info *mtd, loff_t ofs, int getchip, i return nand_isbad_bbt (mtd, ofs, allowbbt); } +DEFINE_LED_TRIGGER(nand_led_trigger); + /* * Wait for the ready pin, after a command * The timeout is catched later. @@ -524,12 +527,14 @@ static void nand_wait_ready(struct mtd_info *mtd) struct nand_chip *this = mtd->priv; unsigned long timeo = jiffies + 2; + led_trigger_event(nand_led_trigger, LED_FULL); /* wait until command is processed or timeout occures */ do { if (this->dev_ready(mtd)) - return; + break; touch_softlockup_watchdog(); } while (time_before(jiffies, timeo)); + led_trigger_event(nand_led_trigger, LED_OFF); } /** @@ -817,6 +822,8 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state) else timeo += (HZ * 20) / 1000; + led_trigger_event(nand_led_trigger, LED_FULL); + /* Apply this short delay always to ensure that we do wait tWB in * any case on any machine. */ ndelay (100); @@ -840,6 +847,8 @@ static int nand_wait(struct mtd_info *mtd, struct nand_chip *this, int state) } cond_resched(); } + led_trigger_event(nand_led_trigger, LED_OFF); + status = (int) this->read_byte(mtd); return status; } @@ -2724,6 +2733,21 @@ void nand_release (struct mtd_info *mtd) EXPORT_SYMBOL_GPL (nand_scan); EXPORT_SYMBOL_GPL (nand_release); + +static int __init nand_base_init(void) +{ + led_trigger_register_simple("nand-disk", &nand_led_trigger); + return 0; +} + +static void __exit nand_base_exit(void) +{ + led_trigger_unregister_simple(nand_led_trigger); +} + +module_init(nand_base_init); +module_exit(nand_base_exit); + MODULE_LICENSE ("GPL"); MODULE_AUTHOR ("Steven J. Hill <sjhill@realitydiluted.com>, Thomas Gleixner <tglx@linutronix.de>"); MODULE_DESCRIPTION ("Generic NAND flash driver code"); |