On Tue, Oct 24, 2006 at 09:35:49PM -0700, Randy Dunlap wrote:
> >
> > Please grep for sysfs_create_bin_file, you will find plenty of examples.
>
> Hm, I thought that sysfs binary files were supposed to be
> for "transparent" blobs of data, not for structured data.
> E.g., a "firmware" blob would be OK.
Depends. Normally ASCII is greatly preferred, but passing in/out big
data structures can be a huge pain, thunking to/from ASCII.
> And I'm looking at current users. ISTM that this one:
>
> arch/ppc/syslib/mv64x60.c:2443:
> sysfs_create_bin_file(&mv64xxx_device.dev.kobj, &mv64xxx_hs_reg_attr);
>
> in its sysfs read function returns a string (binary data converted
> to a string) instead of returning binary data. Or did I misread it?
> or misunderstand sysfs binary data?
Yeah, that one shouldn't be using _bin_
Jeff
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