linux-kernel - [PATCH v2 1/2] m68k: coldfire: Mark platform device resource arrays as const

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Message-Id: <20251107-b4-m5441x-add-rng-support-v2-1-f91d685832b9@yoseli.org>
Date: Fri, 07 Nov 2025 11:29:43 +0100
From: Jean-Michel Hautbois <jeanmichel.hautbois@...eli.org>
To: Greg Ungerer <gerg@...ux-m68k.org>, 
 Geert Uytterhoeven <geert@...ux-m68k.org>, 
 Olivia Mackall <olivia@...enic.com>, 
 Herbert Xu <herbert@...dor.apana.org.au>, Shawn Guo <shawnguo@...nel.org>, 
 Sascha Hauer <s.hauer@...gutronix.de>, 
 Pengutronix Kernel Team <kernel@...gutronix.de>, 
 Fabio Estevam <festevam@...il.com>
Cc: linux-m68k@...ts.linux-m68k.org, linux-kernel@...r.kernel.org, 
 linux-crypto@...r.kernel.org, imx@...ts.linux.dev, 
 linux-arm-kernel@...ts.infradead.org, 
 Jean-Michel Hautbois <jeanmichel.hautbois@...eli.org>, 
 Frank Li <Frank.Li@....com>
Subject: [PATCH v2 1/2] m68k: coldfire: Mark platform device resource
 arrays as const

Add 'const' qualifier to all static resource arrays in device.c.
These arrays are never modified at runtime, they are only read by
platform device registration functions.

Suggested-by: Frank Li <Frank.Li@....com>
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@...eli.org>
---
 arch/m68k/coldfire/device.c | 24 ++++++++++++------------
 1 file changed, 12 insertions(+), 12 deletions(-)

diff --git a/arch/m68k/coldfire/device.c b/arch/m68k/coldfire/device.c
index b6958ec2a220cf91a78a14fc7fa18749451412f7..20adba27a687029ef53249bad71b342d563d612b 100644
--- a/arch/m68k/coldfire/device.c
+++ b/arch/m68k/coldfire/device.c
@@ -111,7 +111,7 @@ static struct fec_platform_data fec_pdata = {
  *	block. It is Freescale's own hardware block. Some ColdFires
  *	have 2 of these.
  */
-static struct resource mcf_fec0_resources[] = {
+static const struct resource mcf_fec0_resources[] = {
 	{
 		.start		= MCFFEC_BASE0,
 		.end		= MCFFEC_BASE0 + MCFFEC_SIZE0 - 1,
@@ -148,7 +148,7 @@ static struct platform_device mcf_fec0 = {
 #endif /* MCFFEC_BASE0 */
 
 #ifdef MCFFEC_BASE1
-static struct resource mcf_fec1_resources[] = {
+static const struct resource mcf_fec1_resources[] = {
 	{
 		.start		= MCFFEC_BASE1,
 		.end		= MCFFEC_BASE1 + MCFFEC_SIZE1 - 1,
@@ -189,7 +189,7 @@ static struct platform_device mcf_fec1 = {
  *	The ColdFire QSPI module is an SPI protocol hardware block used
  *	on a number of different ColdFire CPUs.
  */
-static struct resource mcf_qspi_resources[] = {
+static const struct resource mcf_qspi_resources[] = {
 	{
 		.start		= MCFQSPI_BASE,
 		.end		= MCFQSPI_BASE + MCFQSPI_SIZE - 1,
@@ -340,7 +340,7 @@ static struct platform_device mcf_qspi = {
 #endif /* IS_ENABLED(CONFIG_SPI_COLDFIRE_QSPI) */
 
 #if IS_ENABLED(CONFIG_I2C_IMX)
-static struct resource mcf_i2c0_resources[] = {
+static const struct resource mcf_i2c0_resources[] = {
 	{
 		.start          = MCFI2C_BASE0,
 		.end            = MCFI2C_BASE0 + MCFI2C_SIZE0 - 1,
@@ -361,7 +361,7 @@ static struct platform_device mcf_i2c0 = {
 };
 #ifdef MCFI2C_BASE1
 
-static struct resource mcf_i2c1_resources[] = {
+static const struct resource mcf_i2c1_resources[] = {
 	{
 		.start          = MCFI2C_BASE1,
 		.end            = MCFI2C_BASE1 + MCFI2C_SIZE1 - 1,
@@ -385,7 +385,7 @@ static struct platform_device mcf_i2c1 = {
 
 #ifdef MCFI2C_BASE2
 
-static struct resource mcf_i2c2_resources[] = {
+static const struct resource mcf_i2c2_resources[] = {
 	{
 		.start          = MCFI2C_BASE2,
 		.end            = MCFI2C_BASE2 + MCFI2C_SIZE2 - 1,
@@ -409,7 +409,7 @@ static struct platform_device mcf_i2c2 = {
 
 #ifdef MCFI2C_BASE3
 
-static struct resource mcf_i2c3_resources[] = {
+static const struct resource mcf_i2c3_resources[] = {
 	{
 		.start          = MCFI2C_BASE3,
 		.end            = MCFI2C_BASE3 + MCFI2C_SIZE3 - 1,
@@ -433,7 +433,7 @@ static struct platform_device mcf_i2c3 = {
 
 #ifdef MCFI2C_BASE4
 
-static struct resource mcf_i2c4_resources[] = {
+static const struct resource mcf_i2c4_resources[] = {
 	{
 		.start          = MCFI2C_BASE4,
 		.end            = MCFI2C_BASE4 + MCFI2C_SIZE4 - 1,
@@ -457,7 +457,7 @@ static struct platform_device mcf_i2c4 = {
 
 #ifdef MCFI2C_BASE5
 
-static struct resource mcf_i2c5_resources[] = {
+static const struct resource mcf_i2c5_resources[] = {
 	{
 		.start          = MCFI2C_BASE5,
 		.end            = MCFI2C_BASE5 + MCFI2C_SIZE5 - 1,
@@ -507,7 +507,7 @@ static struct mcf_edma_platform_data mcf_edma_data = {
 	.slavecnt		= ARRAY_SIZE(mcf_edma_map),
 };
 
-static struct resource mcf_edma_resources[] = {
+static const struct resource mcf_edma_resources[] = {
 	{
 		.start		= MCFEDMA_BASE,
 		.end		= MCFEDMA_BASE + MCFEDMA_SIZE - 1,
@@ -560,7 +560,7 @@ static struct mcf_esdhc_platform_data mcf_esdhc_data = {
 	.cd_type = ESDHC_CD_NONE,
 };
 
-static struct resource mcf_esdhc_resources[] = {
+static const struct resource mcf_esdhc_resources[] = {
 	{
 		.start = MCFSDHC_BASE,
 		.end = MCFSDHC_BASE + MCFSDHC_SIZE - 1,
@@ -590,7 +590,7 @@ static struct flexcan_platform_data mcf5441x_flexcan_info = {
 	.clock_frequency = 120000000,
 };
 
-static struct resource mcf5441x_flexcan0_resource[] = {
+static const struct resource mcf5441x_flexcan0_resource[] = {
 	{
 		.start = MCFFLEXCAN_BASE0,
 		.end = MCFFLEXCAN_BASE0 + MCFFLEXCAN_SIZE,

-- 
2.39.5