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Date: Wed, 8 Aug 2012 23:10:20 +0200
From: "Rafael J. Wysocki" <rjw@...k.pl>
To: LKML <linux-kernel@...r.kernel.org>
Cc: Linux PM list <linux-pm@...r.kernel.org>,
Len Brown <lenb@...nel.org>,
ACPI Devel Mailing List <linux-acpi@...r.kernel.org>,
Matthew Garrett <mjg@...hat.com>,
platform-driver-x86@...r.kernel.org
Subject: [PATCH 2/3] platform / x86/ PM: Fix unused function warnings for CONFIG_PM_SLEEP
According to compiler warnings, quite some suspend/resume functions
in platform x86 drivers are not used for CONFIG_PM_SLEEP unset, so
add #ifdefs to prevent them from being built in that case.
Signed-off-by: Rafael J. Wysocki <rjw@...k.pl>
---
drivers/platform/x86/classmate-laptop.c | 4 ++++
drivers/platform/x86/fujitsu-tablet.c | 2 ++
drivers/platform/x86/hdaps.c | 2 ++
drivers/platform/x86/hp_accel.c | 2 +-
drivers/platform/x86/msi-laptop.c | 4 ++++
drivers/platform/x86/panasonic-laptop.c | 4 ++++
drivers/platform/x86/sony-laptop.c | 12 +++++++++++-
drivers/platform/x86/thinkpad_acpi.c | 2 ++
drivers/platform/x86/toshiba_acpi.c | 2 ++
drivers/platform/x86/toshiba_bluetooth.c | 4 ++++
drivers/platform/x86/xo15-ebook.c | 2 ++
11 files changed, 38 insertions(+), 2 deletions(-)
Index: linux/drivers/platform/x86/classmate-laptop.c
===================================================================
--- linux.orig/drivers/platform/x86/classmate-laptop.c
+++ linux/drivers/platform/x86/classmate-laptop.c
@@ -350,6 +350,7 @@ static void cmpc_accel_idev_init_v4(stru
inputdev->close = cmpc_accel_close_v4;
}
+#ifdef CONFIG_PM_SLEEP
static int cmpc_accel_suspend_v4(struct device *dev)
{
struct input_dev *inputdev;
@@ -384,6 +385,7 @@ static int cmpc_accel_resume_v4(struct d
return 0;
}
+#endif
static int cmpc_accel_add_v4(struct acpi_device *acpi)
{
@@ -752,6 +754,7 @@ static int cmpc_tablet_remove(struct acp
return cmpc_remove_acpi_notify_device(acpi);
}
+#ifdef CONFIG_PM_SLEEP
static int cmpc_tablet_resume(struct device *dev)
{
struct input_dev *inputdev = dev_get_drvdata(dev);
@@ -761,6 +764,7 @@ static int cmpc_tablet_resume(struct dev
input_report_switch(inputdev, SW_TABLET_MODE, !val);
return 0;
}
+#endif
static SIMPLE_DEV_PM_OPS(cmpc_tablet_pm, NULL, cmpc_tablet_resume);
Index: linux/drivers/platform/x86/fujitsu-tablet.c
===================================================================
--- linux.orig/drivers/platform/x86/fujitsu-tablet.c
+++ linux/drivers/platform/x86/fujitsu-tablet.c
@@ -440,11 +440,13 @@ static int __devexit acpi_fujitsu_remove
return 0;
}
+#ifdef CONFIG_PM_SLEEP
static int acpi_fujitsu_resume(struct device *dev)
{
fujitsu_reset();
return 0;
}
+#endif
static SIMPLE_DEV_PM_OPS(acpi_fujitsu_pm, NULL, acpi_fujitsu_resume);
Index: linux/drivers/platform/x86/hdaps.c
===================================================================
--- linux.orig/drivers/platform/x86/hdaps.c
+++ linux/drivers/platform/x86/hdaps.c
@@ -305,10 +305,12 @@ static int hdaps_probe(struct platform_d
return 0;
}
+#ifdef CONFIG_PM_SLEEP
static int hdaps_resume(struct device *dev)
{
return hdaps_device_init();
}
+#endif
static SIMPLE_DEV_PM_OPS(hdaps_pm, NULL, hdaps_resume);
Index: linux/drivers/platform/x86/hp_accel.c
===================================================================
--- linux.orig/drivers/platform/x86/hp_accel.c
+++ linux/drivers/platform/x86/hp_accel.c
@@ -352,7 +352,7 @@ static int lis3lv02d_remove(struct acpi_
}
-#ifdef CONFIG_PM
+#ifdef CONFIG_PM_SLEEP
static int lis3lv02d_suspend(struct device *dev)
{
/* make sure the device is off when we suspend */
Index: linux/drivers/platform/x86/msi-laptop.c
===================================================================
--- linux.orig/drivers/platform/x86/msi-laptop.c
+++ linux/drivers/platform/x86/msi-laptop.c
@@ -85,7 +85,9 @@
#define MSI_STANDARD_EC_TOUCHPAD_ADDRESS 0xe4
#define MSI_STANDARD_EC_TOUCHPAD_MASK (1 << 4)
+#ifdef CONFIG_PM_SLEEP
static int msi_laptop_resume(struct device *device);
+#endif
static SIMPLE_DEV_PM_OPS(msi_laptop_pm, NULL, msi_laptop_resume);
#define MSI_STANDARD_EC_DEVICES_EXISTS_ADDRESS 0x2f
@@ -753,6 +755,7 @@ err_bluetooth:
return retval;
}
+#ifdef CONFIG_PM_SLEEP
static int msi_laptop_resume(struct device *device)
{
u8 data;
@@ -773,6 +776,7 @@ static int msi_laptop_resume(struct devi
return 0;
}
+#endif
static int __init msi_laptop_input_setup(void)
{
Index: linux/drivers/platform/x86/panasonic-laptop.c
===================================================================
--- linux.orig/drivers/platform/x86/panasonic-laptop.c
+++ linux/drivers/platform/x86/panasonic-laptop.c
@@ -188,7 +188,9 @@ static const struct acpi_device_id pcc_d
};
MODULE_DEVICE_TABLE(acpi, pcc_device_ids);
+#ifdef CONFIG_PM_SLEEP
static int acpi_pcc_hotkey_resume(struct device *dev);
+#endif
static SIMPLE_DEV_PM_OPS(acpi_pcc_hotkey_pm, NULL, acpi_pcc_hotkey_resume);
static struct acpi_driver acpi_pcc_driver = {
@@ -540,6 +542,7 @@ static void acpi_pcc_destroy_input(struc
/* kernel module interface */
+#ifdef CONFIG_PM_SLEEP
static int acpi_pcc_hotkey_resume(struct device *dev)
{
struct pcc_acpi *pcc;
@@ -556,6 +559,7 @@ static int acpi_pcc_hotkey_resume(struct
return acpi_pcc_write_sset(pcc, SINF_STICKY_KEY, pcc->sticky_mode);
}
+#endif
static int acpi_pcc_hotkey_add(struct acpi_device *device)
{
Index: linux/drivers/platform/x86/sony-laptop.c
===================================================================
--- linux.orig/drivers/platform/x86/sony-laptop.c
+++ linux/drivers/platform/x86/sony-laptop.c
@@ -140,7 +140,10 @@ MODULE_PARM_DESC(kbd_backlight_timeout,
"1 for 30 seconds, 2 for 60 seconds and 3 to disable timeout "
"(default: 0)");
+#ifdef CONFIG_PM_SLEEP
static void sony_nc_kbd_backlight_resume(void);
+static void sony_nc_thermal_resume(void);
+#endif
static int sony_nc_kbd_backlight_setup(struct platform_device *pd,
unsigned int handle);
static void sony_nc_kbd_backlight_cleanup(struct platform_device *pd);
@@ -151,7 +154,6 @@ static void sony_nc_battery_care_cleanup
static int sony_nc_thermal_setup(struct platform_device *pd);
static void sony_nc_thermal_cleanup(struct platform_device *pd);
-static void sony_nc_thermal_resume(void);
static int sony_nc_lid_resume_setup(struct platform_device *pd);
static void sony_nc_lid_resume_cleanup(struct platform_device *pd);
@@ -1431,6 +1433,7 @@ static void sony_nc_function_cleanup(str
sony_nc_handles_cleanup(pd);
}
+#ifdef CONFIG_PM_SLEEP
static void sony_nc_function_resume(void)
{
unsigned int i, result, bitmask, arg;
@@ -1508,6 +1511,7 @@ static int sony_nc_resume(struct device
return 0;
}
+#endif
static SIMPLE_DEV_PM_OPS(sony_nc_pm, NULL, sony_nc_resume);
@@ -1872,6 +1876,7 @@ static void sony_nc_kbd_backlight_cleanu
}
}
+#ifdef CONFIG_PM_SLEEP
static void sony_nc_kbd_backlight_resume(void)
{
int ignore = 0;
@@ -1888,6 +1893,7 @@ static void sony_nc_kbd_backlight_resume
(kbdbl_ctl->base + 0x200) |
(kbdbl_ctl->timeout << 0x10), &ignore);
}
+#endif
struct battery_care_control {
struct device_attribute attrs[2];
@@ -2210,6 +2216,7 @@ static void sony_nc_thermal_cleanup(stru
}
}
+#ifdef CONFIG_PM_SLEEP
static void sony_nc_thermal_resume(void)
{
unsigned int status = sony_nc_thermal_mode_get();
@@ -2217,6 +2224,7 @@ static void sony_nc_thermal_resume(void)
if (status != th_handle->mode)
sony_nc_thermal_mode_set(th_handle->mode);
}
+#endif
/* resume on LID open */
struct snc_lid_resume_control {
@@ -4287,6 +4295,7 @@ err_free_resources:
return result;
}
+#ifdef CONFIG_PM_SLEEP
static int sony_pic_suspend(struct device *dev)
{
if (sony_pic_disable(to_acpi_device(dev)))
@@ -4300,6 +4309,7 @@ static int sony_pic_resume(struct device
spic_dev.cur_ioport, spic_dev.cur_irq);
return 0;
}
+#endif
static SIMPLE_DEV_PM_OPS(sony_pic_pm, sony_pic_suspend, sony_pic_resume);
Index: linux/drivers/platform/x86/thinkpad_acpi.c
===================================================================
--- linux.orig/drivers/platform/x86/thinkpad_acpi.c
+++ linux/drivers/platform/x86/thinkpad_acpi.c
@@ -922,6 +922,7 @@ static struct input_dev *tpacpi_inputdev
static struct mutex tpacpi_inputdev_send_mutex;
static LIST_HEAD(tpacpi_all_drivers);
+#ifdef CONFIG_PM_SLEEP
static int tpacpi_suspend_handler(struct device *dev)
{
struct ibm_struct *ibm, *itmp;
@@ -949,6 +950,7 @@ static int tpacpi_resume_handler(struct
return 0;
}
+#endif
static SIMPLE_DEV_PM_OPS(tpacpi_pm,
tpacpi_suspend_handler, tpacpi_resume_handler);
Index: linux/drivers/platform/x86/toshiba_acpi.c
===================================================================
--- linux.orig/drivers/platform/x86/toshiba_acpi.c
+++ linux/drivers/platform/x86/toshiba_acpi.c
@@ -1296,6 +1296,7 @@ static void toshiba_acpi_notify(struct a
}
}
+#ifdef CONFIG_PM_SLEEP
static int toshiba_acpi_suspend(struct device *device)
{
struct toshiba_acpi_dev *dev = acpi_driver_data(to_acpi_device(device));
@@ -1317,6 +1318,7 @@ static int toshiba_acpi_resume(struct de
return 0;
}
+#endif
static SIMPLE_DEV_PM_OPS(toshiba_acpi_pm,
toshiba_acpi_suspend, toshiba_acpi_resume);
Index: linux/drivers/platform/x86/toshiba_bluetooth.c
===================================================================
--- linux.orig/drivers/platform/x86/toshiba_bluetooth.c
+++ linux/drivers/platform/x86/toshiba_bluetooth.c
@@ -41,7 +41,9 @@ static const struct acpi_device_id bt_de
};
MODULE_DEVICE_TABLE(acpi, bt_device_ids);
+#ifdef CONFIG_PM_SLEEP
static int toshiba_bt_resume(struct device *dev);
+#endif
static SIMPLE_DEV_PM_OPS(toshiba_bt_pm, NULL, toshiba_bt_resume);
static struct acpi_driver toshiba_bt_rfkill_driver = {
@@ -90,10 +92,12 @@ static void toshiba_bt_rfkill_notify(str
toshiba_bluetooth_enable(device->handle);
}
+#ifdef CONFIG_PM_SLEEP
static int toshiba_bt_resume(struct device *dev)
{
return toshiba_bluetooth_enable(to_acpi_device(dev)->handle);
}
+#endif
static int toshiba_bt_rfkill_add(struct acpi_device *device)
{
Index: linux/drivers/platform/x86/xo15-ebook.c
===================================================================
--- linux.orig/drivers/platform/x86/xo15-ebook.c
+++ linux/drivers/platform/x86/xo15-ebook.c
@@ -77,10 +77,12 @@ static void ebook_switch_notify(struct a
}
}
+#ifdef CONFIG_PM_SLEEP
static int ebook_switch_resume(struct device *dev)
{
return ebook_send_state(to_acpi_device(dev));
}
+#endif
static SIMPLE_DEV_PM_OPS(ebook_switch_pm, NULL, ebook_switch_resume);
--
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