From mboxrd@z Thu Jan 1 00:00:00 1970 From: Michael Ellerman Date: Fri, 01 Sep 2017 13:29:45 +0000 Subject: Re: [08/15] powerpc/iommu: use permission-specific DEVICE_ATTR variants Message-Id: <3xkKpy0Lxrz9t2d@ozlabs.org> List-Id: In-Reply-To: <1477769829-22230-9-git-send-email-Julia.Lawall@lip6.fr> MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: Julia Lawall , Benjamin Herrenschmidt Cc: Paul Mackerras , kernel-janitors@vger.kernel.org, linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org On Sat, 2016-10-29 at 19:37:02 UTC, Julia Lawall wrote: > Use DEVICE_ATTR_RW for read-write attributes. This simplifies the > source code, improves readbility, and reduces the chance of > inconsistencies. > > The semantic patch that makes this change is as follows: > (http://coccinelle.lip6.fr/) > > // > @rw@ > declarer name DEVICE_ATTR; > identifier x,x_show,x_store; > @@ > > DEVICE_ATTR(x, \(0644\|S_IRUGO|S_IWUSR\), x_show, x_store); > > @script:ocaml@ > x << rw.x; > x_show << rw.x_show; > x_store << rw.x_store; > @@ > > if not (x^"_show" = x_show && x^"_store" = x_store) > then Coccilib.include_match false > > @@ > declarer name DEVICE_ATTR_RW; > identifier rw.x,rw.x_show,rw.x_store; > @@ > > - DEVICE_ATTR(x, \(0644\|S_IRUGO|S_IWUSR\), x_show, x_store); > + DEVICE_ATTR_RW(x); > // > > Signed-off-by: Julia Lawall > Acked-by: Michael Ellerman (powerpc) Applied to powerpc next, thanks. https://git.kernel.org/powerpc/c/8a7aef2cb3dafd2e8560750f4e5ad2 cheers