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Commit f701b399 authored by Nicolas Palix's avatar Nicolas Palix Committed by Paul Mundt
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sh: Replace an explicit computation by the use of the container_of macro 

The macro container_of from kernel.h performs the same
pointer arithmetic operation.

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

)

// <smpl>
@@
type T;
expression mptr;
expression member;
@@

- (void *)((char *)mptr - offsetof(T, member))
+ container_of(mptr, T, member)
// </smpl>

Signed-off-by: default avatarNicolas Palix <npalix@diku.dk>
Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 87a705dd

arch/sh/kernel/cpu/irq/ipr.c

+4 −3
Original line number Diff line number Diff line
@@ -17,16 +17,17 @@ 
 * for more details.

 */

#include <linux/init.h>

#include <linux/interrupt.h>

#include <linux/io.h>

#include <linux/irq.h>

#include <linux/kernel.h>

#include <linux/module.h>

#include <linux/io.h>

#include <linux/interrupt.h>

#include <linux/topology.h>



static inline struct ipr_desc *get_ipr_desc(unsigned int irq)

{

	struct irq_chip *chip = get_irq_chip(irq);

	return (void *)((char *)chip - offsetof(struct ipr_desc, chip));

	return container_of(chip, struct ipr_desc, chip);

}



static void disable_ipr_irq(unsigned int irq)