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Message-Id: <201205121256.14283.arnd@arndb.de> Date: Sat, 12 May 2012 12:56:14 +0000 From: Arnd Bergmann <arnd@...db.de> To: Thierry Reding <thierry.reding@...onic-design.de> Cc: linux-kernel@...r.kernel.org, Linus Walleij <linus.walleij@...ricsson.com>, Grant Likely <grant.likely@...retlab.ca> Subject: Re: [PATCH] gpiolib: Use seq_file's iterator interface On Thursday 12 April 2012, Thierry Reding wrote: > When dumping a collection of items via seq_file, it is recommended to > use the iterator interface. For the gpiolib debugfs interface this can > be done to dump each GPIO chip in turn. > > Note that for gpiolib this is a little cumbersome because it does not > provide a list of registered GPIO chips and the only way to iterate is > over each GPIO individually. Once a chip is found, the number of GPIOs > it provides can be skipped as a small optimization. > > This patch was requested by Arnd Bergmann here: > > http://article.gmane.org/gmane.linux.ports.tegra/3535 > > Signed-off-by: Thierry Reding <thierry.reding@...onic-design.de> > Cc: Linus Walleij <linus.walleij@...ricsson.com> > Cc: Grant Likely <grant.likely@...retlab.ca> > Cc: Arnd Bergmann <arnd@...db.de> > Cc: linux-kernel@...r.kernel.org Reviewed-by: Arnd Bergmann <arnd@...db.de> -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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