linux-kernel - [PATCH 1/3] staging: make PCI device id constant

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Date:	Sun, 10 Jan 2010 00:18:26 +0100
From:	Németh Márton <nm127@...email.hu>
To:	Greg Kroah-Hartman <gregkh@...e.de>
CC:	devel@...verdev.osuosl.org, LKML <linux-kernel@...r.kernel.org>,
	Julia Lawall <julia@...u.dk>, cocci@...u.dk
Subject: [PATCH 1/3] staging: make PCI device id constant

From: Márton Németh <nm127@...email.hu>

The id_table field of the struct pci_driver is constant in <linux/pci.h>
so it is worth to make the initialization data also constant.

The semantic match that finds this kind of pattern is as follows:
(http://coccinelle.lip6.fr/)

// <smpl>
@r@
disable decl_init,const_decl_init;
identifier I1, I2, x;
@@
	struct I1 {
	  ...
	  const struct I2 *x;
	  ...
	};
@s@
identifier r.I1, y;
identifier r.x, E;
@@
	struct I1 y = {
	  .x = E,
	};
@c@
identifier r.I2;
identifier s.E;
@@
	const struct I2 E[] = ... ;
@depends on !c@
identifier r.I2;
identifier s.E;
@@
+	const
	struct I2 E[] = ...;
// </smpl>

Signed-off-by: Márton Németh <nm127@...email.hu>
Cc: Julia Lawall <julia@...u.dk>
Cc: cocci@...u.dk
---
diff -u -p a/drivers/staging/sm7xx/smtcfb.c b/drivers/staging/sm7xx/smtcfb.c
--- a/drivers/staging/sm7xx/smtcfb.c 2010-01-07 19:08:46.000000000 +0100
+++ b/drivers/staging/sm7xx/smtcfb.c 2010-01-08 09:56:41.000000000 +0100
@@ -1103,7 +1103,7 @@ static int __init smtcfb_pci_probe(struc


 /* Jason (08/11/2009) PCI_DRV wrapper essential structs */
-static struct pci_device_id smtcfb_pci_table[] = {
+static const struct pci_device_id smtcfb_pci_table[] = {
 	{0x126f, 0x710, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{0x126f, 0x712, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
 	{0x126f, 0x720, PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
diff -u -p a/drivers/staging/sep/sep_driver.c b/drivers/staging/sep/sep_driver.c
--- a/drivers/staging/sep/sep_driver.c 2010-01-07 19:08:46.000000000 +0100
+++ b/drivers/staging/sep/sep_driver.c 2010-01-08 09:57:33.000000000 +0100
@@ -2586,7 +2586,7 @@ end_function:
 	return error;
 }

-static struct pci_device_id sep_pci_id_tbl[] = {
+static const struct pci_device_id sep_pci_id_tbl[] = {
 	{PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x080c)},
 	{0}
 };
diff -u -p a/drivers/staging/vme/bridges/vme_tsi148.c b/drivers/staging/vme/bridges/vme_tsi148.c
--- a/drivers/staging/vme/bridges/vme_tsi148.c 2010-01-07 19:08:46.000000000 +0100
+++ b/drivers/staging/vme/bridges/vme_tsi148.c 2010-01-08 10:26:28.000000000 +0100
@@ -80,7 +80,7 @@ struct mutex vme_int;	/*

 static char driver_name[] = "vme_tsi148";

-static struct pci_device_id tsi148_ids[] = {
+static const struct pci_device_id tsi148_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_TSI148) },
 	{ },
 };
diff -u -p a/drivers/staging/vme/bridges/vme_ca91cx42.c b/drivers/staging/vme/bridges/vme_ca91cx42.c
--- a/drivers/staging/vme/bridges/vme_ca91cx42.c 2010-01-07 19:08:46.000000000 +0100
+++ b/drivers/staging/vme/bridges/vme_ca91cx42.c 2010-01-08 10:26:58.000000000 +0100
@@ -56,7 +56,7 @@ struct mutex vme_int;   /*

 static char driver_name[] = "vme_ca91cx42";

-static struct pci_device_id ca91cx42_ids[] = {
+static const struct pci_device_id ca91cx42_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_TUNDRA, PCI_DEVICE_ID_TUNDRA_CA91C142) },
 	{ },
 };
diff -u -p a/drivers/staging/phison/phison.c b/drivers/staging/phison/phison.c
--- a/drivers/staging/phison/phison.c 2010-01-07 19:08:45.000000000 +0100
+++ b/drivers/staging/phison/phison.c 2010-01-08 10:27:46.000000000 +0100
@@ -69,7 +69,7 @@ static int phison_init_one(struct pci_de
 	return ret;
 }

-static struct pci_device_id phison_pci_tbl[] = {
+static const struct pci_device_id phison_pci_tbl[] = {
 	{ PCI_VENDOR_ID_PHISON, PCI_DEVICE_ID_PS5000, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_IDE << 8, 0xffff00, 0 },
 	{ 0, },
diff -u -p a/drivers/staging/rar/rar_driver.c b/drivers/staging/rar/rar_driver.c
--- a/drivers/staging/rar/rar_driver.c 2010-01-07 19:08:45.000000000 +0100
+++ b/drivers/staging/rar/rar_driver.c 2010-01-08 11:11:53.000000000 +0100
@@ -70,7 +70,7 @@ static void __exit rar_exit_handler(void
 */
 static int __devinit rar_probe(struct pci_dev *pdev, const struct pci_device_id *ent);

-static struct pci_device_id rar_pci_id_tbl[] = {
+static const struct pci_device_id rar_pci_id_tbl[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, 0x4110) },
 	{ 0 }
 };
--
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