From: "Németh Márton" <nm127@freemail.hu>
To: Karsten Keil <isdn@linux-pingi.de>
Cc: isdn4linux@listserv.isdn4linux.de,
LKML <linux-kernel@vger.kernel.org>, Julia Lawall <julia@diku.dk>,
cocci@diku.dk
Subject: [PATCH] isdn: make USB device id constant
Date: Tue, 12 Jan 2010 08:52:50 +0100 [thread overview]
Message-ID: <4B4C2A52.70800@freemail.hu> (raw)
From: Márton Németh <nm127@freemail.hu>
The id_table field of the struct usb_device_id is constant in <linux/usb.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@freemail.hu>
Cc: Julia Lawall <julia@diku.dk>
Cc: cocci@diku.dk
---
diff -u -p a/drivers/isdn/hardware/mISDN/hfcsusb.h b/drivers/isdn/hardware/mISDN/hfcsusb.h
--- a/drivers/isdn/hardware/mISDN/hfcsusb.h 2010-01-07 19:08:40.000000000 +0100
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.h 2010-01-08 13:36:54.000000000 +0100
@@ -337,7 +337,7 @@ static const char *HFC_NT_LAYER1_STATES[
};
/* supported devices */
-static struct usb_device_id hfcsusb_idtab[] = {
+static const struct usb_device_id hfcsusb_idtab[] = {
{
USB_DEVICE(0x0959, 0x2bd0),
.driver_info = (unsigned long) &((struct hfcsusb_vdata)
diff -u -p a/drivers/isdn/hisax/hfc_usb.c b/drivers/isdn/hisax/hfc_usb.c
--- a/drivers/isdn/hisax/hfc_usb.c 2010-01-07 19:08:40.000000000 +0100
+++ b/drivers/isdn/hisax/hfc_usb.c 2010-01-08 13:49:53.000000000 +0100
@@ -64,7 +64,7 @@ typedef struct {
} hfcsusb_vdata;
/* VID/PID device list */
-static struct usb_device_id hfcusb_idtab[] = {
+static const struct usb_device_id hfcusb_idtab[] = {
{
USB_DEVICE(0x0959, 0x2bd0),
.driver_info = (unsigned long) &((hfcsusb_vdata)
diff -u -p a/drivers/isdn/hisax/st5481_init.c b/drivers/isdn/hisax/st5481_init.c
--- a/drivers/isdn/hisax/st5481_init.c 2009-12-03 04:51:21.000000000 +0100
+++ b/drivers/isdn/hisax/st5481_init.c 2010-01-08 13:50:45.000000000 +0100
@@ -160,7 +160,7 @@ static void disconnect_st5481(struct usb
/*
* The last 4 bits in the Product Id is set with 4 pins on the chip.
*/
-static struct usb_device_id st5481_ids[] = {
+static const struct usb_device_id st5481_ids[] = {
{ USB_DEVICE(ST_VENDOR_ID, ST5481_PRODUCT_ID+0x0) },
{ USB_DEVICE(ST_VENDOR_ID, ST5481_PRODUCT_ID+0x1) },
{ USB_DEVICE(ST_VENDOR_ID, ST5481_PRODUCT_ID+0x2) },
next reply other threads:[~2010-01-12 7:52 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-12 7:52 Németh Márton [this message]
2010-01-12 14:35 ` [PATCH] isdn: make USB device id constant Tilman Schmidt
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