From 281859179f731b28aae78d13b2e8720219492000 Mon Sep 17 00:00:00 2001 From: Manu Abraham Date: Fri, 4 Dec 2009 09:02:00 -0300 Subject: V4L/DVB (13800): [Mantis] I2C optimization. Required delay is much lesser than 1mS. Do not wait, keep looping instead. Signed-off-by: Manu Abraham Signed-off-by: Mauro Carvalho Chehab --- drivers/media/dvb/mantis/mantis_i2c.c | 5 ----- 1 file changed, 5 deletions(-) (limited to 'drivers/media/dvb') diff --git a/drivers/media/dvb/mantis/mantis_i2c.c b/drivers/media/dvb/mantis/mantis_i2c.c index 758f32a63b2..9d2b51d2e4b 100644 --- a/drivers/media/dvb/mantis/mantis_i2c.c +++ b/drivers/media/dvb/mantis/mantis_i2c.c @@ -58,7 +58,6 @@ static int mantis_i2c_read(struct mantis_pci *mantis, const struct i2c_msg *msg) /* wait for xfer completion */ for (trials = 0; trials < TRIALS; trials++) { - msleep(1); stat = mmread(MANTIS_INT_STAT); if (stat & MANTIS_INT_I2CDONE) break; @@ -71,7 +70,6 @@ static int mantis_i2c_read(struct mantis_pci *mantis, const struct i2c_msg *msg) stat = mmread(MANTIS_INT_STAT); if (stat & MANTIS_INT_I2CRACK) break; - msleep(1); } dprintk(MANTIS_TMG, 0, "I2CRACK: trials=%d\n", trials); @@ -108,7 +106,6 @@ static int mantis_i2c_write(struct mantis_pci *mantis, const struct i2c_msg *msg /* wait for xfer completion */ for (trials = 0; trials < TRIALS; trials++) { - msleep(1); stat = mmread(MANTIS_INT_STAT); if (stat & MANTIS_INT_I2CDONE) break; @@ -121,7 +118,6 @@ static int mantis_i2c_write(struct mantis_pci *mantis, const struct i2c_msg *msg stat = mmread(MANTIS_INT_STAT); if (stat & MANTIS_INT_I2CRACK) break; - msleep(1); } dprintk(MANTIS_TMG, 0, "I2CRACK: trials=%d\n", trials); @@ -164,7 +160,6 @@ static int mantis_i2c_xfer(struct i2c_adapter *adapter, struct i2c_msg *msgs, in mmwrite(txd, MANTIS_I2CDATA_CTL); /* wait for xfer completion */ for (trials = 0; trials < TRIALS; trials++) { - msleep(1); stat = mmread(MANTIS_INT_STAT); if (stat & MANTIS_INT_I2CDONE) break; -- cgit v1.2.3