Message ID | 1423401155-8955-1-git-send-email-hofrat@osadl.org |
---|---|
State | Superseded |
Headers | show |
On 08/02/15 13:12, Nicholas Mc Guire wrote: > Return type of wait_for_completion_timeout is unsigned long not int. ret in > img_i2c_reset_bus() was exclusively used for wait_for_completion_timeout so > its type is simply adjusted. In img_i2c_xfer an appropriately typed variable > is added and assignment fixed up. > > Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Looks good to me, Acked-by: James Hogan <james.hogan@imgtec.com> Thanks James > --- > > Patch was compile tested with x86_64_defconfig + CONFIG_COMPILE_TEST=y > CONFIG_I2C_IMG=m > > Patch is against 3.19.0-rc7 (localversion-next is -next-20150204) > > drivers/i2c/busses/i2c-img-scb.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c > index 0fcc169..4f3a153 100644 > --- a/drivers/i2c/busses/i2c-img-scb.c > +++ b/drivers/i2c/busses/i2c-img-scb.c > @@ -988,7 +988,7 @@ out: > static int img_i2c_reset_bus(struct img_i2c *i2c) > { > unsigned long flags; > - int ret; > + unsigned long ret; > > spin_lock_irqsave(&i2c->lock, flags); > reinit_completion(&i2c->msg_complete); > @@ -1007,6 +1007,7 @@ static int img_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, > struct img_i2c *i2c = i2c_get_adapdata(adap); > bool atomic = false; > int i, ret; > + unsigned long timeout; > > if (i2c->mode == MODE_SUSPEND) { > WARN(1, "refusing to service transaction in suspended state\n"); > @@ -1068,11 +1069,11 @@ static int img_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, > img_i2c_write(i2c); > spin_unlock_irqrestore(&i2c->lock, flags); > > - ret = wait_for_completion_timeout(&i2c->msg_complete, > - IMG_I2C_TIMEOUT); > + timeout = wait_for_completion_timeout(&i2c->msg_complete, > + IMG_I2C_TIMEOUT); > del_timer_sync(&i2c->check_timer); > > - if (ret == 0) { > + if (timeout == 0) { > dev_err(adap->dev.parent, "i2c transfer timed out\n"); > i2c->msg_status = -ETIMEDOUT; > break; >
On Sun, Feb 08, 2015 at 08:12:35AM -0500, Nicholas Mc Guire wrote: > Return type of wait_for_completion_timeout is unsigned long not int. ret in > img_i2c_reset_bus() was exclusively used for wait_for_completion_timeout so > its type is simply adjusted. In img_i2c_xfer an appropriately typed variable > is added and assignment fixed up. > > Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> Same as for the axxia driver: Please rename the variable because ret being an int is kind of an idiom. > --- > > Patch was compile tested with x86_64_defconfig + CONFIG_COMPILE_TEST=y > CONFIG_I2C_IMG=m > > Patch is against 3.19.0-rc7 (localversion-next is -next-20150204) > > drivers/i2c/busses/i2c-img-scb.c | 9 +++++---- > 1 file changed, 5 insertions(+), 4 deletions(-) > > diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c > index 0fcc169..4f3a153 100644 > --- a/drivers/i2c/busses/i2c-img-scb.c > +++ b/drivers/i2c/busses/i2c-img-scb.c > @@ -988,7 +988,7 @@ out: > static int img_i2c_reset_bus(struct img_i2c *i2c) > { > unsigned long flags; > - int ret; > + unsigned long ret; > > spin_lock_irqsave(&i2c->lock, flags); > reinit_completion(&i2c->msg_complete); > @@ -1007,6 +1007,7 @@ static int img_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, > struct img_i2c *i2c = i2c_get_adapdata(adap); > bool atomic = false; > int i, ret; > + unsigned long timeout; > > if (i2c->mode == MODE_SUSPEND) { > WARN(1, "refusing to service transaction in suspended state\n"); > @@ -1068,11 +1069,11 @@ static int img_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, > img_i2c_write(i2c); > spin_unlock_irqrestore(&i2c->lock, flags); > > - ret = wait_for_completion_timeout(&i2c->msg_complete, > - IMG_I2C_TIMEOUT); > + timeout = wait_for_completion_timeout(&i2c->msg_complete, > + IMG_I2C_TIMEOUT); > del_timer_sync(&i2c->check_timer); > > - if (ret == 0) { > + if (timeout == 0) { > dev_err(adap->dev.parent, "i2c transfer timed out\n"); > i2c->msg_status = -ETIMEDOUT; > break; > -- > 1.7.10.4 >
On Mon, 09 Feb 2015, Wolfram Sang wrote: > On Sun, Feb 08, 2015 at 08:12:35AM -0500, Nicholas Mc Guire wrote: > > Return type of wait_for_completion_timeout is unsigned long not int. ret in > > img_i2c_reset_bus() was exclusively used for wait_for_completion_timeout so > > its type is simply adjusted. In img_i2c_xfer an appropriately typed variable > > is added and assignment fixed up. > > > > Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> > > Same as for the axxia driver: Please rename the variable because ret > being an int is kind of an idiom. > added "don't break idioms" to my list of Checks - maybe something like this even should be in SubmittingPatches ? will fix up and resend. thx! hofrat -- To unsubscribe from this list: send the line "unsubscribe linux-i2c" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
diff --git a/drivers/i2c/busses/i2c-img-scb.c b/drivers/i2c/busses/i2c-img-scb.c index 0fcc169..4f3a153 100644 --- a/drivers/i2c/busses/i2c-img-scb.c +++ b/drivers/i2c/busses/i2c-img-scb.c @@ -988,7 +988,7 @@ out: static int img_i2c_reset_bus(struct img_i2c *i2c) { unsigned long flags; - int ret; + unsigned long ret; spin_lock_irqsave(&i2c->lock, flags); reinit_completion(&i2c->msg_complete); @@ -1007,6 +1007,7 @@ static int img_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, struct img_i2c *i2c = i2c_get_adapdata(adap); bool atomic = false; int i, ret; + unsigned long timeout; if (i2c->mode == MODE_SUSPEND) { WARN(1, "refusing to service transaction in suspended state\n"); @@ -1068,11 +1069,11 @@ static int img_i2c_xfer(struct i2c_adapter *adap, struct i2c_msg *msgs, img_i2c_write(i2c); spin_unlock_irqrestore(&i2c->lock, flags); - ret = wait_for_completion_timeout(&i2c->msg_complete, - IMG_I2C_TIMEOUT); + timeout = wait_for_completion_timeout(&i2c->msg_complete, + IMG_I2C_TIMEOUT); del_timer_sync(&i2c->check_timer); - if (ret == 0) { + if (timeout == 0) { dev_err(adap->dev.parent, "i2c transfer timed out\n"); i2c->msg_status = -ETIMEDOUT; break;
Return type of wait_for_completion_timeout is unsigned long not int. ret in img_i2c_reset_bus() was exclusively used for wait_for_completion_timeout so its type is simply adjusted. In img_i2c_xfer an appropriately typed variable is added and assignment fixed up. Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org> --- Patch was compile tested with x86_64_defconfig + CONFIG_COMPILE_TEST=y CONFIG_I2C_IMG=m Patch is against 3.19.0-rc7 (localversion-next is -next-20150204) drivers/i2c/busses/i2c-img-scb.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)