diff options
Diffstat (limited to 'drivers/i2c/omap24xx_i2c.c')
| -rw-r--r-- | drivers/i2c/omap24xx_i2c.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c index 3febd1f..b69d051 100644 --- a/drivers/i2c/omap24xx_i2c.c +++ b/drivers/i2c/omap24xx_i2c.c @@ -27,7 +27,7 @@ #include "omap24xx_i2c.h" -#define I2C_TIMEOUT 10 +#define I2C_TIMEOUT 1000 static void wait_for_bb (void); static u16 wait_for_pin (void); @@ -392,13 +392,13 @@ int i2c_write (uchar chip, uint addr, int alen, uchar * buffer, int len) static void wait_for_bb (void) { - int timeout = 10; + int timeout = I2C_TIMEOUT; u16 stat; writew(0xFFFF, &i2c_base->stat); /* clear current interruts...*/ while ((stat = readw (&i2c_base->stat) & I2C_STAT_BB) && timeout--) { writew (stat, &i2c_base->stat); - udelay (50000); + udelay(1000); } if (timeout <= 0) { @@ -411,7 +411,7 @@ static void wait_for_bb (void) static u16 wait_for_pin (void) { u16 status; - int timeout = 10; + int timeout = I2C_TIMEOUT; do { udelay (1000); @@ -424,8 +424,10 @@ static u16 wait_for_pin (void) if (timeout <= 0) { printf ("timed out in wait_for_pin: I2C_STAT=%x\n", readw (&i2c_base->stat)); - writew(0xFFFF, &i2c_base->stat); -} + writew(0xFFFF, &i2c_base->stat); + status = 0; + } + return status; } |