>-----Original Message-----
>From: devel <driverdev-devel-boun...@linuxdriverproject.org> On Behalf Of
>Define separate simple show functions for each attribute instead of having a
>one big one containing a chain of conditionals.
>
>+static ssize_t s2c_dma_ch_show(struct device *dev,
>+ struct device_attribute *attr, char *buf)
>+{
>+ return 0;
>+}
>+
>+static ssize_t c2s_dma_ch_show(struct device *dev,
>+ struct device_attribute *attr, char *buf)
>+{
>+ return 0;
>+}
These two can be removed. Technically, that would be a userspace-breaking
change, but I can guarantee that all existing userspace consumers don't actually
read that sysfs node.
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