powerpc/83xx: use resource_size

Use resource_size rather than a verbose computation on
the end and start fields.

The semantic patch that makes this change is as follows:
(http://coccinelle.lip6.fr/)

<smpl>
@@ struct resource ptr; @@
- (ptr.end - ptr.start + 1)
+ resource_size(&ptr)
</smpl>

Signed-off-by: Julia Lawall <Julia.Lawall@inria.fr>
Acked-by: Scott Wood <oss@buserror.net>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/1577900990-8588-6-git-send-email-Julia.Lawall@inria.fr

diff --git a/arch/powerpc/platforms/83xx/km83xx.c b/arch/powerpc/platforms/83xx/km83xx.c
index 273145a..b0d5471 100644 (file)
--- a/arch/powerpc/platforms/83xx/km83xx.c
+++ b/arch/powerpc/platforms/83xx/km83xx.c
@@ -64,7 +64,7 @@ static void quirk_mpc8360e_qe_enet10(void)
                return;
        }
 
-       base = ioremap(res.start, res.end - res.start + 1);
+       base = ioremap(res.start, resource_size(&res));
 
        /*
         * set output delay adjustments to default values according