On Wed, Dec 20, 2017 at 01:24:44AM -0800, Joe Perches wrote: > On Wed, 2017-12-20 at 10:34 +0200, Jarkko Nikula wrote: > > On Tue, Dec 19, 2017 at 10:15:07AM -0800, Joe Perches wrote: > > > Convert DEVICE_ATTR uses to DEVICE_ATTR_RW where possible. > [] > > > diff --git a/sound/soc/omap/mcbsp.c b/sound/soc/omap/mcbsp.c > [] > > > @@ -854,7 +854,7 @@ static ssize_t dma_op_mode_store(struct device *dev, > > > return size; > > > } > > > > > > -static DEVICE_ATTR(dma_op_mode, 0644, dma_op_mode_show, dma_op_mode_store); > > > +static DEVICE_ATTR_RW(dma_op_mode); > > > > > > > While I can ack this part here if it helps generic cleanup effort I > > don't understart would it improve code readability in general? Mode 644 > > is clear and don't need any grepping but for DEVICE_ATTR_RW() I had to go > > through all of these files in order to see what does it mean: Yeah, 644 is "clear", but _RW() is even more clear. Ideally I want to get rid of all of the "non-standard" users that set random modes of sysfs files, as we get it wrong too many times. Using the "defaults" is much better. > Are you suggesting that device.h (as that is where > DEVICE_ATTR and the other DEVICE_ATTR_<FOO> variants > are #defined) should have better comments for the > _<FOO> variants? > > > DEVICE_ATTR_RW: include/linux/device.h > > __ATTR_RW: include/linux/sysfs.h > > S_IWUSR: include/uapi/linux/stat.h > > S_IRUGO: include/linux/stat.h > > btw: patch 1/4 of the series does remove the uses of > S_<PERMS> from these macros in sysfs.h and converts > them to simple octal instead. Why you didn't send that patch to the sysfs maintainer is a bit odd... :) I should be taking this whole series through my tree. Joe, thanks for doing this in an automated way, I've been wanting to see this done for a long time. thanks, greg k-h -- To unsubscribe from this list: send the line "unsubscribe linux-serial" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
