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| author | Manu Abraham <abraham.manu@gmail.com> | 2009-12-04 15:02:00 +0300 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2010-01-17 16:55:43 +0300 |
| commit | 281859179f731b28aae78d13b2e8720219492000 (patch) | |
| tree | 6ec9551dd6b54588138141857d61bc64e1860bb5 | |
| parent | 68fe255cd15cf1fe04877fbbb0eafe80c43eff5d (diff) | |
| download | linux-281859179f731b28aae78d13b2e8720219492000.tar.xz | |
V4L/DVB (13800): [Mantis] I2C optimization. Required delay is much lesser than 1mS.
Do not wait, keep looping instead.
Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
| -rw-r--r-- | drivers/media/dvb/mantis/mantis_i2c.c | 5 |
1 files changed, 0 insertions, 5 deletions
diff --git a/drivers/media/dvb/mantis/mantis_i2c.c b/drivers/media/dvb/mantis/mantis_i2c.c index 758f32a63b2f..9d2b51d2e4b6 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; |