linux-kernel - [PATCH 7/8] mfd: sun4i-gpadc: Constify static struct resource

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Date:   Tue, 22 Sep 2020 21:26:58 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>,
        Maxime Ripard <mripard@...nel.org>,
        Chen-Yu Tsai <wens@...e.org>,
        linux-arm-kernel@...ts.infradead.org
Subject: [PATCH 7/8] mfd: sun4i-gpadc: Constify static struct resource

Constify adc_resources[]. The only usage is to assign its address to the
resources field of the mfd_cell struct. This allows the compiler to put
it in read-only memory. Done with the help of Coccinelle.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/mfd/sun4i-gpadc.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/sun4i-gpadc.c b/drivers/mfd/sun4i-gpadc.c
index b346fbce3c01..aaa233d916b2 100644
--- a/drivers/mfd/sun4i-gpadc.c
+++ b/drivers/mfd/sun4i-gpadc.c
@@ -18,7 +18,7 @@
 #define ARCH_SUN5I_A13 1
 #define ARCH_SUN6I_A31 2
 
-static struct resource adc_resources[] = {
+static const struct resource adc_resources[] = {
 	DEFINE_RES_IRQ_NAMED(SUN4I_GPADC_IRQ_FIFO_DATA, "FIFO_DATA_PENDING"),
 	DEFINE_RES_IRQ_NAMED(SUN4I_GPADC_IRQ_TEMP_DATA, "TEMP_DATA_PENDING"),
 };
-- 
2.28.0