diff options
| author | Dave Airlie <airlied@redhat.com> | 2010-10-19 01:48:34 +0200 |
|---|---|---|
| committer | Dave Airlie <airlied@redhat.com> | 2010-10-19 01:48:34 +0200 |
| commit | b7ae5056c94a8191c1fd0b5697707377516c0c5d (patch) | |
| tree | 394f68003ea0bc2a0c24e510a7c5b13f479ce743 /drivers/i2c/busses/i2c-pca-platform.c | |
| parent | drm/radeon/kms: make sure blit addr masks are 64 bit (diff) | |
| parent | drm/radeon/kms: avivo cursor workaround applies to evergreen as well (diff) | |
| download | linux-b7ae5056c94a8191c1fd0b5697707377516c0c5d.tar.xz linux-b7ae5056c94a8191c1fd0b5697707377516c0c5d.zip | |
Merge branch 'drm-fixes' of /home/airlied/kernel/linux-2.6 into drm-core-next
Conflicts:
drivers/gpu/drm/i915/intel_fb.c
drivers/gpu/drm/radeon/r600_blit_kms.c
drivers/gpu/drm/ttm/ttm_bo.c
Diffstat (limited to 'drivers/i2c/busses/i2c-pca-platform.c')
| -rw-r--r-- | drivers/i2c/busses/i2c-pca-platform.c | 11 |
1 files changed, 7 insertions, 4 deletions
diff --git a/drivers/i2c/busses/i2c-pca-platform.c b/drivers/i2c/busses/i2c-pca-platform.c index ef5c78487eb7..5f6d7f89e225 100644 --- a/drivers/i2c/busses/i2c-pca-platform.c +++ b/drivers/i2c/busses/i2c-pca-platform.c @@ -80,8 +80,8 @@ static void i2c_pca_pf_writebyte32(void *pd, int reg, int val) static int i2c_pca_pf_waitforcompletion(void *pd) { struct i2c_pca_pf_data *i2c = pd; - long ret = ~0; unsigned long timeout; + long ret; if (i2c->irq) { ret = wait_event_timeout(i2c->wait, @@ -90,10 +90,13 @@ static int i2c_pca_pf_waitforcompletion(void *pd) } else { /* Do polling */ timeout = jiffies + i2c->adap.timeout; - while (((i2c->algo_data.read_byte(i2c, I2C_PCA_CON) - & I2C_PCA_CON_SI) == 0) - && (ret = time_before(jiffies, timeout))) + do { + ret = time_before(jiffies, timeout); + if (i2c->algo_data.read_byte(i2c, I2C_PCA_CON) + & I2C_PCA_CON_SI) + break; udelay(100); + } while (ret); } return ret > 0; |