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: Nicolas Palix <npalix@diku.dk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
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@ -17,16 +17,17 @@
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* for more details.
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*/
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#include <linux/init.h>
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#include <linux/irq.h>
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#include <linux/module.h>
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#include <linux/io.h>
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#include <linux/interrupt.h>
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#include <linux/io.h>
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#include <linux/irq.h>
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#include <linux/kernel.h>
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#include <linux/module.h>
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#include <linux/topology.h>
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static inline struct ipr_desc *get_ipr_desc(unsigned int irq)
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{
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struct irq_chip *chip = get_irq_chip(irq);
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return (void *)((char *)chip - offsetof(struct ipr_desc, chip));
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return container_of(chip, struct ipr_desc, chip);
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}
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static void disable_ipr_irq(unsigned int irq)
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