From: "Németh Márton" <nm127@freemail.hu>
To: linux-serial@vger.kernel.org
Cc: LKML <linux-kernel@vger.kernel.org>, cocci@diku.dk
Subject: [PATCH 3/3] serial: make PCI device id constant
Date: Sun, 10 Jan 2010 17:59:40 +0100 [thread overview]
Message-ID: <4B4A077C.7020406@freemail.hu> (raw)
From: Márton Németh <nm127@freemail.hu>
The id_table field of the struct pci_driver is constant in <linux/pci.h>
so it is worth to make 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@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
---
diff -u -p a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
--- a/drivers/serial/8250_pci.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/serial/8250_pci.c 2010-01-08 18:40:05.000000000 +0100
@@ -2567,7 +2567,7 @@ static int pciserial_resume_one(struct p
}
#endif
-static struct pci_device_id serial_pci_tbl[] = {
+static const struct pci_device_id serial_pci_tbl[] = {
/* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */
{ PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620,
PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0,
diff -u -p a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
--- a/drivers/serial/jsm/jsm_driver.c 2010-01-07 19:08:45.000000000 +0100
+++ b/drivers/serial/jsm/jsm_driver.c 2010-01-08 18:41:09.000000000 +0100
@@ -218,7 +218,7 @@ static void __devexit jsm_remove_one(str
kfree(brd);
}
-static struct pci_device_id jsm_pci_tbl[] = {
+static const struct pci_device_id jsm_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2DB9), 0, 0, 0 },
{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2DB9PRI), 0, 0, 1 },
{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45), 0, 0, 2 },
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WARNING: multiple messages have this Message-ID (diff)
From: "Németh Márton" <nm127@freemail.hu>
To: linux-serial@vger.kernel.org
Cc: LKML <linux-kernel@vger.kernel.org>, Julia Lawall <julia@diku.dk>,
cocci@diku.dk
Subject: [PATCH 3/3] serial: make PCI device id constant
Date: Sun, 10 Jan 2010 17:59:40 +0100 [thread overview]
Message-ID: <4B4A077C.7020406@freemail.hu> (raw)
From: Márton Németh <nm127@freemail.hu>
The id_table field of the struct pci_driver is constant in <linux/pci.h>
so it is worth to make 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@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
---
diff -u -p a/drivers/serial/8250_pci.c b/drivers/serial/8250_pci.c
--- a/drivers/serial/8250_pci.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/serial/8250_pci.c 2010-01-08 18:40:05.000000000 +0100
@@ -2567,7 +2567,7 @@ static int pciserial_resume_one(struct p
}
#endif
-static struct pci_device_id serial_pci_tbl[] = {
+static const struct pci_device_id serial_pci_tbl[] = {
/* Advantech use PCI_DEVICE_ID_ADVANTECH_PCI3620 (0x3620) as 'PCI_SUBVENDOR_ID' */
{ PCI_VENDOR_ID_ADVANTECH, PCI_DEVICE_ID_ADVANTECH_PCI3620,
PCI_DEVICE_ID_ADVANTECH_PCI3620, 0x0001, 0, 0,
diff -u -p a/drivers/serial/jsm/jsm_driver.c b/drivers/serial/jsm/jsm_driver.c
--- a/drivers/serial/jsm/jsm_driver.c 2010-01-07 19:08:45.000000000 +0100
+++ b/drivers/serial/jsm/jsm_driver.c 2010-01-08 18:41:09.000000000 +0100
@@ -218,7 +218,7 @@ static void __devexit jsm_remove_one(str
kfree(brd);
}
-static struct pci_device_id jsm_pci_tbl[] = {
+static const struct pci_device_id jsm_pci_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2DB9), 0, 0, 0 },
{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2DB9PRI), 0, 0, 1 },
{ PCI_DEVICE(PCI_VENDOR_ID_DIGI, PCI_DEVICE_ID_NEO_2RJ45), 0, 0, 2 },
next reply other threads:[~2010-01-10 16:59 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-10 16:59 Németh Márton [this message]
2010-01-10 16:59 ` [PATCH 3/3] serial: make PCI device id constant Németh Márton
2010-01-10 17:51 ` Michał Mirosław
2010-01-10 19:43 ` Németh Márton
2010-01-10 19:43 ` Németh Márton
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