diff options
| author | Sascha Hauer <s.hauer@pengutronix.de> | 2009-10-21 16:01:02 +0200 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2009-11-12 08:33:38 +0100 |
| commit | c110eaf4659efcb110de2d7c90878240be5a13fa (patch) | |
| tree | 53029baa84767872c00a14d2f1b097ac88e59f58 /drivers/mtd/nand/mxc_nand.c | |
| parent | f1372055df21734f042f12ab92852e9d350be8d0 (diff) | |
mxc_nand: remove TROP_US_DELAY
wait_op_done is only called with the same timeout, so
code the timeout into the function itself.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'drivers/mtd/nand/mxc_nand.c')
| -rw-r--r-- | drivers/mtd/nand/mxc_nand.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/drivers/mtd/nand/mxc_nand.c b/drivers/mtd/nand/mxc_nand.c index 044a57483027..30eeb4c65528 100644 --- a/drivers/mtd/nand/mxc_nand.c +++ b/drivers/mtd/nand/mxc_nand.c @@ -118,9 +118,6 @@ struct mxc_nand_host { int spare_len; }; -/* Define delays in microsec for NAND device operations */ -#define TROP_US_DELAY 2000 - /* OOB placement block for use with hardware ecc generation */ static struct nand_ecclayout nandv1_hw_eccoob_smallpage = { .eccbytes = 5, @@ -185,10 +182,10 @@ static irqreturn_t mxc_nfc_irq(int irq, void *dev_id) /* This function polls the NANDFC to wait for the basic operation to * complete by checking the INT bit of config2 register. */ -static void wait_op_done(struct mxc_nand_host *host, int max_retries, - int useirq) +static void wait_op_done(struct mxc_nand_host *host, int useirq) { uint32_t tmp; + int max_retries = 2000; if (useirq) { if ((readw(host->regs + NFC_CONFIG2) & NFC_INT) == 0) { @@ -230,7 +227,7 @@ static void send_cmd(struct mxc_nand_host *host, uint16_t cmd, int useirq) writew(NFC_CMD, host->regs + NFC_CONFIG2); /* Wait for operation to complete */ - wait_op_done(host, TROP_US_DELAY, useirq); + wait_op_done(host, useirq); } /* This function sends an address (or partial address) to the @@ -244,7 +241,7 @@ static void send_addr(struct mxc_nand_host *host, uint16_t addr, int islast) writew(NFC_ADDR, host->regs + NFC_CONFIG2); /* Wait for operation to complete */ - wait_op_done(host, TROP_US_DELAY, islast); + wait_op_done(host, islast); } static void send_page(struct mtd_info *mtd, unsigned int ops) @@ -266,7 +263,7 @@ static void send_page(struct mtd_info *mtd, unsigned int ops) writew(ops, host->regs + NFC_CONFIG2); /* Wait for operation to complete */ - wait_op_done(host, TROP_US_DELAY, true); + wait_op_done(host, true); } } @@ -281,7 +278,7 @@ static void send_read_id(struct mxc_nand_host *host) writew(NFC_ID, host->regs + NFC_CONFIG2); /* Wait for operation to complete */ - wait_op_done(host, TROP_US_DELAY, true); + wait_op_done(host, true); if (this->options & NAND_BUSWIDTH_16) { void __iomem *main_buf = host->main_area0; @@ -313,7 +310,7 @@ static uint16_t get_dev_status(struct mxc_nand_host *host) writew(NFC_STATUS, host->regs + NFC_CONFIG2); /* Wait for operation to complete */ - wait_op_done(host, TROP_US_DELAY, true); + wait_op_done(host, true); /* Status is placed in first word of main buffer */ /* get status, then recovery area 1 data */ |