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Date: Sun, 27 Jan 2008 12:15:21 +0800
From: WANG Cong <xiyou.wangcong@...il.com>
To: Sam Ravnborg <sam@...nborg.org>
Cc: Jeff Garzik <jeff@...zik.org>,
WANG Cong <xiyou.wangcong@...il.com>, Greg KH <gregkh@...e.de>,
LKML <linux-kernel@...r.kernel.org>,
Andrew Morton <akpm@...l.org>
Subject: (Updated) [Patch] Shut up warnings from files under drivers/
>Investigating a bit more I realized that gcc looses the
>__used__ attribution due to the prototype.
>So there are two correct fixes:
>a) move the function up so we do not need the forward
> declaration
>b) add a __devexit to the forward decalration too.
>
>I strongly prefer the first version and this is the
>correct fix for these cases.
>
>Do we have a gcc bug here - I did not see a definitive answer in gcc docs?
>
Here is the updated version.
---->
Fix defined-but-not-used warnings from files under drivers/,
such as:
drivers/char/applicom.c:68: warning: ‘applicom_pci_tbl’ defined but not used
Compile tests passed.
Cc: Jeff Garzik <jeff@...zik.org>
Cc: Greg KH <gregkh@...e.de>
Cc: Sam Ravnborg <sam@...nborg.org>
Signed-off-by: WANG Cong <xiyou.wangcong@...il.com>
---
diff --git a/drivers/char/applicom.c b/drivers/char/applicom.c
index 1f0b752..97171ad 100644
--- a/drivers/char/applicom.c
+++ b/drivers/char/applicom.c
@@ -65,7 +65,7 @@ static char *applicom_pci_devnames[] = {
"PCI2000PFB"
};
-static struct pci_device_id applicom_pci_tbl[] = {
+static struct pci_device_id applicom_pci_tbl[] __used = {
{ PCI_VENDOR_ID_APPLICOM, PCI_DEVICE_ID_APPLICOM_PCIGENERIC,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0 },
{ PCI_VENDOR_ID_APPLICOM, PCI_DEVICE_ID_APPLICOM_PCI2000IBS_CAN,
diff --git a/drivers/char/synclink.c b/drivers/char/synclink.c
index 905d1f5..ae1f565 100644
--- a/drivers/char/synclink.c
+++ b/drivers/char/synclink.c
@@ -897,7 +897,6 @@ static char *driver_version = "$Revision: 4.38 $";
static int synclink_init_one (struct pci_dev *dev,
const struct pci_device_id *ent);
-static void synclink_remove_one (struct pci_dev *dev);
static struct pci_device_id synclink_pci_tbl[] = {
{ PCI_VENDOR_ID_MICROGATE, PCI_DEVICE_ID_MICROGATE_USC, PCI_ANY_ID, PCI_ANY_ID, },
@@ -908,6 +907,10 @@ MODULE_DEVICE_TABLE(pci, synclink_pci_tbl);
MODULE_LICENSE("GPL");
+static void __devexit synclink_remove_one (struct pci_dev *dev)
+{
+}
+
static struct pci_driver synclink_pci_driver = {
.name = "synclink",
.id_table = synclink_pci_tbl,
@@ -8166,7 +8169,3 @@ static int __devinit synclink_init_one (struct pci_dev *dev,
return 0;
}
-static void __devexit synclink_remove_one (struct pci_dev *dev)
-{
-}
-
diff --git a/drivers/crypto/hifn_795x.c b/drivers/crypto/hifn_795x.c
index dfbf24c..f33f82a 100644
--- a/drivers/crypto/hifn_795x.c
+++ b/drivers/crypto/hifn_795x.c
@@ -2730,7 +2730,7 @@ err_out_disable_pci_device:
return err;
}
-static void hifn_remove(struct pci_dev *pdev)
+static void __devexit hifn_remove(struct pci_dev *pdev)
{
int i;
struct hifn_device *dev;
diff --git a/drivers/telephony/ixj.c b/drivers/telephony/ixj.c
index 49cd979..1549c0b 100644
--- a/drivers/telephony/ixj.c
+++ b/drivers/telephony/ixj.c
@@ -284,7 +284,7 @@ static int samplerate = 100;
module_param(ixjdebug, int, 0);
-static struct pci_device_id ixj_pci_tbl[] __devinitdata = {
+static struct pci_device_id ixj_pci_tbl[] __used __devinitdata = {
{ PCI_VENDOR_ID_QUICKNET, PCI_DEVICE_ID_QUICKNET_XJ,
PCI_ANY_ID, PCI_ANY_ID, 0, 0, 0},
{ }
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index cbd3308..4e57fcf 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -165,7 +165,7 @@ static const char *r128_family[] __devinitdata = {
*/
static int aty128_probe(struct pci_dev *pdev,
const struct pci_device_id *ent);
-static void aty128_remove(struct pci_dev *pdev);
+static void __devexit aty128_remove(struct pci_dev *pdev);
static int aty128_pci_suspend(struct pci_dev *pdev, pm_message_t state);
static int aty128_pci_resume(struct pci_dev *pdev);
static int aty128_do_resume(struct pci_dev *pdev);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index d775eb6..eec1624 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -244,7 +244,9 @@ static int atyfb_sync(struct fb_info *info);
*/
static int aty_init(struct fb_info *info);
+#if defined(CONFIG_PM) && defined(CONFIG_PCI)
static void aty_resume_chip(struct fb_info *info);
+#endif
#ifdef CONFIG_ATARI
static int store_video_par(char *videopar, unsigned char m64_num);
#endif
@@ -2709,6 +2711,7 @@ aty_init_exit:
return -1;
}
+#if defined(CONFIG_PM) && defined(CONFIG_PCI)
static void aty_resume_chip(struct fb_info *info)
{
struct atyfb_par *par = info->par;
@@ -2721,6 +2724,7 @@ static void aty_resume_chip(struct fb_info *info)
if (par->aux_start)
aty_st_le32(BUS_CNTL, aty_ld_le32(BUS_CNTL, par) | BUS_APER_REG_DIS, par);
}
+#endif
#ifdef CONFIG_ATARI
static int __devinit store_video_par(char *video_str, unsigned char m64_num)
diff --git a/drivers/video/imsttfb.c b/drivers/video/imsttfb.c
index 3ab91bf..cdedd72 100644
--- a/drivers/video/imsttfb.c
+++ b/drivers/video/imsttfb.c
@@ -400,7 +400,6 @@ static struct imstt_regvals tvp_reg_init_20 = {
* PCI driver prototypes
*/
static int imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
-static void imsttfb_remove(struct pci_dev *pdev);
/*
* Register access
@@ -1328,6 +1327,21 @@ static struct pci_device_id imsttfb_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, imsttfb_pci_tbl);
+static void __devexit
+imsttfb_remove(struct pci_dev *pdev)
+{
+ struct fb_info *info = pci_get_drvdata(pdev);
+ struct imstt_par *par = info->par;
+ int size = pci_resource_len(pdev, 0);
+
+ unregister_framebuffer(info);
+ iounmap(par->cmap_regs);
+ iounmap(par->dc_regs);
+ iounmap(info->screen_base);
+ release_mem_region(info->fix.smem_start, size);
+ framebuffer_release(info);
+}
+
static struct pci_driver imsttfb_pci_driver = {
.name = "imsttfb",
.id_table = imsttfb_pci_tbl,
@@ -1533,21 +1547,6 @@ imsttfb_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
return 0;
}
-static void __devexit
-imsttfb_remove(struct pci_dev *pdev)
-{
- struct fb_info *info = pci_get_drvdata(pdev);
- struct imstt_par *par = info->par;
- int size = pci_resource_len(pdev, 0);
-
- unregister_framebuffer(info);
- iounmap(par->cmap_regs);
- iounmap(par->dc_regs);
- iounmap(info->screen_base);
- release_mem_region(info->fix.smem_start, size);
- framebuffer_release(info);
-}
-
#ifndef MODULE
static int __init
imsttfb_setup(char *options)
diff --git a/drivers/video/kyro/fbdev.c b/drivers/video/kyro/fbdev.c
index acb9370..6e49c7a 100644
--- a/drivers/video/kyro/fbdev.c
+++ b/drivers/video/kyro/fbdev.c
@@ -90,7 +90,6 @@ static int nomtrr __devinitdata = 0;
/* PCI driver prototypes */
static int kyrofb_probe(struct pci_dev *pdev, const struct pci_device_id *ent);
-static void kyrofb_remove(struct pci_dev *pdev);
static struct fb_videomode kyro_modedb[] __devinitdata = {
{
@@ -649,6 +648,36 @@ static struct pci_device_id kyrofb_pci_tbl[] = {
MODULE_DEVICE_TABLE(pci, kyrofb_pci_tbl);
+static void __devexit kyrofb_remove(struct pci_dev *pdev)
+{
+ struct fb_info *info = pci_get_drvdata(pdev);
+ struct kyrofb_info *par = info->par;
+
+ /* Reset the board */
+ StopVTG(deviceInfo.pSTGReg);
+ DisableRamdacOutput(deviceInfo.pSTGReg);
+
+ /* Sync up the PLL */
+ SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
+
+ deviceInfo.ulNextFreeVidMem = 0;
+ deviceInfo.ulOverlayOffset = 0;
+
+ iounmap(info->screen_base);
+ iounmap(par->regbase);
+
+#ifdef CONFIG_MTRR
+ if (par->mtrr_handle)
+ mtrr_del(par->mtrr_handle,
+ info->fix.smem_start,
+ info->fix.smem_len);
+#endif
+
+ unregister_framebuffer(info);
+ pci_set_drvdata(pdev, NULL);
+ framebuffer_release(info);
+}
+
static struct pci_driver kyrofb_pci_driver = {
.name = "kyrofb",
.id_table = kyrofb_pci_tbl,
@@ -754,36 +783,6 @@ out_unmap:
return -EINVAL;
}
-static void __devexit kyrofb_remove(struct pci_dev *pdev)
-{
- struct fb_info *info = pci_get_drvdata(pdev);
- struct kyrofb_info *par = info->par;
-
- /* Reset the board */
- StopVTG(deviceInfo.pSTGReg);
- DisableRamdacOutput(deviceInfo.pSTGReg);
-
- /* Sync up the PLL */
- SetCoreClockPLL(deviceInfo.pSTGReg, pdev);
-
- deviceInfo.ulNextFreeVidMem = 0;
- deviceInfo.ulOverlayOffset = 0;
-
- iounmap(info->screen_base);
- iounmap(par->regbase);
-
-#ifdef CONFIG_MTRR
- if (par->mtrr_handle)
- mtrr_del(par->mtrr_handle,
- info->fix.smem_start,
- info->fix.smem_len);
-#endif
-
- unregister_framebuffer(info);
- pci_set_drvdata(pdev, NULL);
- framebuffer_release(info);
-}
-
static int __init kyrofb_init(void)
{
#ifndef MODULE
diff --git a/drivers/watchdog/alim1535_wdt.c b/drivers/watchdog/alim1535_wdt.c
index b481cc0..fd2dfa1 100644
--- a/drivers/watchdog/alim1535_wdt.c
+++ b/drivers/watchdog/alim1535_wdt.c
@@ -311,7 +311,7 @@ static int ali_notify_sys(struct notifier_block *this, unsigned long code, void
* want to register another driver on the same PCI id.
*/
-static struct pci_device_id ali_pci_tbl[] = {
+static struct pci_device_id ali_pci_tbl[] __used = {
{ PCI_VENDOR_ID_AL, 0x1533, PCI_ANY_ID, PCI_ANY_ID,},
{ PCI_VENDOR_ID_AL, 0x1535, PCI_ANY_ID, PCI_ANY_ID,},
{ 0, },
diff --git a/drivers/watchdog/alim7101_wdt.c b/drivers/watchdog/alim7101_wdt.c
index 67aed9f..4bcae99 100644
--- a/drivers/watchdog/alim7101_wdt.c
+++ b/drivers/watchdog/alim7101_wdt.c
@@ -409,7 +409,7 @@ err_out:
module_init(alim7101_wdt_init);
module_exit(alim7101_wdt_unload);
-static struct pci_device_id alim7101_pci_tbl[] __devinitdata = {
+static struct pci_device_id alim7101_pci_tbl[] __used __devinitdata = {
{ PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M1533) },
{ PCI_DEVICE(PCI_VENDOR_ID_AL, PCI_DEVICE_ID_AL_M7101) },
{ }
--
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