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mfd: constify regmap_irq_chip structures

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Declare regmap_irq_chip structures as const as they are only stored
in the regmap_irq_chip field of a rk808 structure. This field is of
type const, so regmap_irq_chip structures having this property can be
made const too.
Done using Coccinelle:

@r disable optional_qualifier@
identifier x;
position p;
@@
static struct regmap_irq_chip x@p={...};

@ok@
struct rk808 a;
identifier r.x;
position p;
@@
a.regmap_irq_chip=&x@p;

@bad@
position p != {r.p,ok.p};
identifier r.x;
@@
x@p

@depends on !bad disable optional_qualifier@
identifier r.x;
@@
+const
struct regmap_irq_chip x;

File size before:
   text	   data	    bss	    dec	    hex	filename
   5033	    584	     16	   5633	   1601	drivers/mfd/rk808.o

File size after:
   text	   data	    bss	    dec	    hex	filename
   5225	    392	     16	   5633	   1601	drivers/mfd/rk808.o

Signed-off-by: Bhumika Goyal <bhumirks@gmail.com>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
This commit is contained in:
Bhumika Goyal 2017-01-25 00:55:24 +05:30 committed by Lee Jones
parent 29a0729dd9
commit 24e34b9d75
1 changed files with 2 additions and 2 deletions
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4
drivers/mfd/rk808.c
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@ -247,7 +247,7 @@ static const struct regmap_irq rk818_irqs[] = {
},
};
static struct regmap_irq_chip rk808_irq_chip = {
static const struct regmap_irq_chip rk808_irq_chip = {
.name = "rk808",
.irqs = rk808_irqs,
.num_irqs = ARRAY_SIZE(rk808_irqs),
@ -259,7 +259,7 @@ static struct regmap_irq_chip rk808_irq_chip = {
.init_ack_masked = true,
};
static struct regmap_irq_chip rk818_irq_chip = {
static const struct regmap_irq_chip rk818_irq_chip = {
.name = "rk818",
.irqs = rk818_irqs,
.num_irqs = ARRAY_SIZE(rk818_irqs),