linux-kernel - [PATCH] irqchip: mmp: make mmp_intc

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Message-Id: <1503570381-8541-1-git-send-email-bhumirks@gmail.com>
Date:   Thu, 24 Aug 2017 15:56:21 +0530
From:   Bhumika Goyal <bhumirks@...il.com>
To:     julia.lawall@...6.fr, tglx@...utronix.de, jason@...edaemon.net,
        marc.zyngier@....com, linux-kernel@...r.kernel.org
Cc:     Bhumika Goyal <bhumirks@...il.com>
Subject: [PATCH] irqchip: mmp: make mmp_intc_conf const

Make these const as they are only used during a copy operation. Done
using Coccinelle.

@match disable optional_qualifier@
identifier s;
@@
static struct mmp_intc_conf s = {...};

@ref@
position p;
identifier match.s;
@@
s@p

@good1@
position ref.p;
identifier match.s,f,c;
expression e;
@@
(
e = s@p
|
e = s@p.f
|
c(...,s@p.f,...)
|
c(...,s@p,...)
)

@bad depends on  !good1@
position ref.p;
identifier match.s;
@@
s@p

@depends on forall !bad disable optional_qualifier@
identifier match.s;
@@
static
+ const
struct mmp_intc_conf s;

Signed-off-by: Bhumika Goyal <bhumirks@...il.com>
---
 drivers/irqchip/irq-mmp.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/irqchip/irq-mmp.c b/drivers/irqchip/irq-mmp.c
index 013fc96..25f32e1 100644
--- a/drivers/irqchip/irq-mmp.c
+++ b/drivers/irqchip/irq-mmp.c
@@ -181,13 +181,13 @@ static int mmp_irq_domain_xlate(struct irq_domain *d, struct device_node *node,
 	.xlate		= mmp_irq_domain_xlate,
 };
 
-static struct mmp_intc_conf mmp_conf = {
+static const struct mmp_intc_conf mmp_conf = {
 	.conf_enable	= 0x51,
 	.conf_disable	= 0x0,
 	.conf_mask	= 0x7f,
 };
 
-static struct mmp_intc_conf mmp2_conf = {
+static const struct mmp_intc_conf mmp2_conf = {
 	.conf_enable	= 0x20,
 	.conf_disable	= 0x0,
 	.conf_mask	= 0x7f,
-- 
1.9.1