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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:50:19 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:50:19 -0700
commitdf6d3916f3b7b7e2067567a256dd4f0c1ea854a2 (patch)
tree0fdeab1ab5d566605fc99aeb5ea3f621f11e7608 /drivers
parent74add80cbd7fe246c893b93ee75ac59acdd01dd4 (diff)
parent197686dfe0038fd190326d118b743ff65ad20c0e (diff)
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (77 commits) [POWERPC] Abolish powerpc_flash_init() [POWERPC] Early serial debug support for PPC44x [POWERPC] Support for the Ebony 440GP reference board in arch/powerpc [POWERPC] Add device tree for Ebony [POWERPC] Add powerpc/platforms/44x, disable platforms/4xx for now [POWERPC] MPIC U3/U4 MSI backend [POWERPC] MPIC MSI allocator [POWERPC] Enable MSI mappings for MPIC [POWERPC] Tell Phyp we support MSI [POWERPC] RTAS MSI implementation [POWERPC] PowerPC MSI infrastructure [POWERPC] Rip out the existing powerpc msi stubs [POWERPC] Remove use of 4level-fixup.h for ppc32 [POWERPC] Add powerpc PCI-E reset API implementation [POWERPC] Holly bootwrapper [POWERPC] Holly DTS [POWERPC] Holly defconfig [POWERPC] Add support for 750CL Holly board [POWERPC] Generalize tsi108 PCI setup [POWERPC] Generalize tsi108 PHY types ... Fixed conflict in include/asm-powerpc/kdebug.h manually Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/sata_svw.c2
-rw-r--r--drivers/char/agp/uninorth-agp.c2
-rw-r--r--drivers/char/briq_panel.c2
-rw-r--r--drivers/char/hvc_iseries.c2
-rw-r--r--drivers/char/hvc_vio.c2
-rw-r--r--drivers/char/tpm/tpm_atmel.h4
-rw-r--r--drivers/hwmon/ams/ams-core.c6
-rw-r--r--drivers/hwmon/ams/ams-i2c.c2
-rw-r--r--drivers/hwmon/ams/ams-pmu.c2
-rw-r--r--drivers/ide/pci/pdc202xx_new.c2
-rw-r--r--drivers/ide/ppc/pmac.c18
-rw-r--r--drivers/infiniband/hw/ehca/ehca_main.c2
-rw-r--r--drivers/macintosh/Kconfig12
-rw-r--r--drivers/macintosh/apm_emu.c521
-rw-r--r--drivers/macintosh/mac_hid.c8
-rw-r--r--drivers/macintosh/macio_sysfs.c27
-rw-r--r--drivers/macintosh/smu.c2
-rw-r--r--drivers/macintosh/therm_adt746x.c4
-rw-r--r--drivers/macintosh/via-pmu-led.c35
-rw-r--r--drivers/macintosh/via-pmu.c12
-rw-r--r--drivers/macintosh/windfarm_lm75_sensor.c4
-rw-r--r--drivers/macintosh/windfarm_max6690_sensor.c2
-rw-r--r--drivers/macintosh/windfarm_smu_controls.c2
-rw-r--r--drivers/macintosh/windfarm_smu_sat.c2
-rw-r--r--drivers/mtd/maps/physmap_of.c8
-rw-r--r--drivers/net/bmac.c5
-rw-r--r--drivers/net/ehea/ehea_main.c13
-rw-r--r--drivers/net/mace.c4
-rw-r--r--drivers/net/pasemi_mac.c2
-rw-r--r--drivers/net/spider_net.c4
-rw-r--r--drivers/net/sungem.c2
-rw-r--r--drivers/net/sungem_phy.c2
-rw-r--r--drivers/net/tsi108_eth.c12
-rw-r--r--drivers/net/tsi108_eth.h9
-rw-r--r--drivers/net/ucc_geth.c18
-rw-r--r--drivers/net/ucc_geth_mii.c4
-rw-r--r--drivers/pci/hotplug/rpaphp_core.c10
-rw-r--r--drivers/ps3/vuart.c8
-rw-r--r--drivers/scsi/ibmvscsi/ibmvstgt.c8
-rw-r--r--drivers/scsi/ibmvscsi/rpa_vscsi.c4
-rw-r--r--drivers/scsi/mac53c94.c2
-rw-r--r--drivers/scsi/mesh.c2
-rw-r--r--drivers/serial/mpc52xx_uart.c7
-rw-r--r--drivers/serial/of_serial.c4
-rw-r--r--drivers/serial/pmac_zilog.c8
-rw-r--r--drivers/usb/host/ehci-ps3.c4
-rw-r--r--drivers/usb/host/ohci-ppc-of.c4
-rw-r--r--drivers/usb/host/ohci-ps3.c4
-rw-r--r--drivers/video/aty/radeon_base.c6
-rw-r--r--drivers/video/aty/radeon_monitor.c11
-rw-r--r--drivers/video/aty/radeon_pm.c2
-rw-r--r--drivers/video/nvidia/nv_of.c8
-rw-r--r--drivers/video/offb.c32
-rw-r--r--drivers/video/ps3fb.c12
-rw-r--r--drivers/video/riva/fbdev.c4
55 files changed, 213 insertions, 687 deletions
diff --git a/drivers/ata/sata_svw.c b/drivers/ata/sata_svw.c
index cc07aac10e8..17246734fe7 100644
--- a/drivers/ata/sata_svw.c
+++ b/drivers/ata/sata_svw.c
@@ -288,7 +288,7 @@ static int k2_sata_proc_info(struct Scsi_Host *shost, char *page, char **start,
/* Match it to a port node */
index = (ap == ap->host->ports[0]) ? 0 : 1;
for (np = np->child; np != NULL; np = np->sibling) {
- const u32 *reg = get_property(np, "reg", NULL);
+ const u32 *reg = of_get_property(np, "reg", NULL);
if (!reg)
continue;
if (index == *reg)
diff --git a/drivers/char/agp/uninorth-agp.c b/drivers/char/agp/uninorth-agp.c
index 91b062126a6..42c0a600b1a 100644
--- a/drivers/char/agp/uninorth-agp.c
+++ b/drivers/char/agp/uninorth-agp.c
@@ -613,7 +613,7 @@ static int __devinit agp_uninorth_probe(struct pci_dev *pdev,
uninorth_node = of_find_node_by_name(NULL, "u3");
}
if (uninorth_node) {
- const int *revprop = get_property(uninorth_node,
+ const int *revprop = of_get_property(uninorth_node,
"device-rev", NULL);
if (revprop != NULL)
uninorth_rev = *revprop & 0x3f;
diff --git a/drivers/char/briq_panel.c b/drivers/char/briq_panel.c
index c70d52ace8b..ed53f541d9e 100644
--- a/drivers/char/briq_panel.c
+++ b/drivers/char/briq_panel.c
@@ -206,7 +206,7 @@ static int __init briq_panel_init(void)
const char *machine;
int i;
- machine = get_property(root, "model", NULL);
+ machine = of_get_property(root, "model", NULL);
if (!machine || strncmp(machine, "TotalImpact,BRIQ-1", 18) != 0) {
of_node_put(root);
return -ENODEV;
diff --git a/drivers/char/hvc_iseries.c b/drivers/char/hvc_iseries.c
index ec420fe8a90..b37f1d5a5be 100644
--- a/drivers/char/hvc_iseries.c
+++ b/drivers/char/hvc_iseries.c
@@ -579,7 +579,7 @@ static int hvc_find_vtys(void)
if (!vtermno)
continue;
- if (!device_is_compatible(vty, "IBM,iSeries-vty"))
+ if (!of_device_is_compatible(vty, "IBM,iSeries-vty"))
continue;
if (num_found == 0)
diff --git a/drivers/char/hvc_vio.c b/drivers/char/hvc_vio.c
index 94a542e20ef..79711aa4b41 100644
--- a/drivers/char/hvc_vio.c
+++ b/drivers/char/hvc_vio.c
@@ -157,7 +157,7 @@ static int hvc_find_vtys(void)
if (!vtermno)
continue;
- if (device_is_compatible(vty, "hvterm1")) {
+ if (of_device_is_compatible(vty, "hvterm1")) {
hvc_instantiate(*vtermno, num_found, &hvc_get_put_ops);
++num_found;
}
diff --git a/drivers/char/tpm/tpm_atmel.h b/drivers/char/tpm/tpm_atmel.h
index 3c852009196..c912d8691cb 100644
--- a/drivers/char/tpm/tpm_atmel.h
+++ b/drivers/char/tpm/tpm_atmel.h
@@ -47,12 +47,12 @@ static void __iomem * atmel_get_base_addr(unsigned long *base, int *region_size)
if (!dn)
return NULL;
- if (!device_is_compatible(dn, "AT97SC3201")) {
+ if (!of_device_is_compatible(dn, "AT97SC3201")) {
of_node_put(dn);
return NULL;
}
- reg = get_property(dn, "reg", &reglen);
+ reg = of_get_property(dn, "reg", &reglen);
naddrc = of_n_addr_cells(dn);
nsizec = of_n_size_cells(dn);
diff --git a/drivers/hwmon/ams/ams-core.c b/drivers/hwmon/ams/ams-core.c
index f5ebad56141..dbe6a32c064 100644
--- a/drivers/hwmon/ams/ams-core.c
+++ b/drivers/hwmon/ams/ams-core.c
@@ -144,7 +144,7 @@ int ams_sensor_attach(void)
const u32 *prop;
/* Get orientation */
- prop = get_property(ams_info.of_node, "orientation", NULL);
+ prop = of_get_property(ams_info.of_node, "orientation", NULL);
if (!prop)
return -ENODEV;
ams_info.orient1 = *prop;
@@ -208,14 +208,14 @@ int __init ams_init(void)
#ifdef CONFIG_SENSORS_AMS_I2C
np = of_find_node_by_name(NULL, "accelerometer");
- if (np && device_is_compatible(np, "AAPL,accelerometer_1"))
+ if (np && of_device_is_compatible(np, "AAPL,accelerometer_1"))
/* Found I2C motion sensor */
return ams_i2c_init(np);
#endif
#ifdef CONFIG_SENSORS_AMS_PMU
np = of_find_node_by_name(NULL, "sms");
- if (np && device_is_compatible(np, "sms"))
+ if (np && of_device_is_compatible(np, "sms"))
/* Found PMU motion sensor */
return ams_pmu_init(np);
#endif
diff --git a/drivers/hwmon/ams/ams-i2c.c b/drivers/hwmon/ams/ams-i2c.c
index 485d333bcb3..ccd5cefae90 100644
--- a/drivers/hwmon/ams/ams-i2c.c
+++ b/drivers/hwmon/ams/ams-i2c.c
@@ -276,7 +276,7 @@ int __init ams_i2c_init(struct device_node *np)
ams_info.bustype = BUS_I2C;
/* look for bus either using "reg" or by path */
- prop = get_property(ams_info.of_node, "reg", NULL);
+ prop = of_get_property(ams_info.of_node, "reg", NULL);
if (!prop) {
result = -ENODEV;
diff --git a/drivers/hwmon/ams/ams-pmu.c b/drivers/hwmon/ams/ams-pmu.c
index 1b01c215bfe..9463e9768f6 100644
--- a/drivers/hwmon/ams/ams-pmu.c
+++ b/drivers/hwmon/ams/ams-pmu.c
@@ -160,7 +160,7 @@ int __init ams_pmu_init(struct device_node *np)
ams_info.bustype = BUS_HOST;
/* Get PMU command, should be 0x4e, but we can never know */
- prop = get_property(ams_info.of_node, "reg", NULL);
+ prop = of_get_property(ams_info.of_node, "reg", NULL);
if (!prop) {
result = -ENODEV;
goto exit;
diff --git a/drivers/ide/pci/pdc202xx_new.c b/drivers/ide/pci/pdc202xx_new.c
index 2da5cbb5356..2cdd629c653 100644
--- a/drivers/ide/pci/pdc202xx_new.c
+++ b/drivers/ide/pci/pdc202xx_new.c
@@ -395,7 +395,7 @@ static void __devinit apple_kiwi_init(struct pci_dev *pdev)
unsigned int class_rev = 0;
u8 conf;
- if (np == NULL || !device_is_compatible(np, "kiwi-root"))
+ if (np == NULL || !of_device_is_compatible(np, "kiwi-root"))
return;
pci_read_config_dword(pdev, PCI_CLASS_REVISION, &class_rev);
diff --git a/drivers/ide/ppc/pmac.c b/drivers/ide/ppc/pmac.c
index 071a030ec26..a49ebe44bab 100644
--- a/drivers/ide/ppc/pmac.c
+++ b/drivers/ide/ppc/pmac.c
@@ -1157,32 +1157,32 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
pmif->cable_80 = 0;
pmif->broken_dma = pmif->broken_dma_warn = 0;
- if (device_is_compatible(np, "shasta-ata"))
+ if (of_device_is_compatible(np, "shasta-ata"))
pmif->kind = controller_sh_ata6;
- else if (device_is_compatible(np, "kauai-ata"))
+ else if (of_device_is_compatible(np, "kauai-ata"))
pmif->kind = controller_un_ata6;
- else if (device_is_compatible(np, "K2-UATA"))
+ else if (of_device_is_compatible(np, "K2-UATA"))
pmif->kind = controller_k2_ata6;
- else if (device_is_compatible(np, "keylargo-ata")) {
+ else if (of_device_is_compatible(np, "keylargo-ata")) {
if (strcmp(np->name, "ata-4") == 0)
pmif->kind = controller_kl_ata4;
else
pmif->kind = controller_kl_ata3;
- } else if (device_is_compatible(np, "heathrow-ata"))
+ } else if (of_device_is_compatible(np, "heathrow-ata"))
pmif->kind = controller_heathrow;
else {
pmif->kind = controller_ohare;
pmif->broken_dma = 1;
}
- bidp = get_property(np, "AAPL,bus-id", NULL);
+ bidp = of_get_property(np, "AAPL,bus-id", NULL);
pmif->aapl_bus_id = bidp ? *bidp : 0;
/* Get cable type from device-tree */
if (pmif->kind == controller_kl_ata4 || pmif->kind == controller_un_ata6
|| pmif->kind == controller_k2_ata6
|| pmif->kind == controller_sh_ata6) {
- const char* cable = get_property(np, "cable-type", NULL);
+ const char* cable = of_get_property(np, "cable-type", NULL);
if (cable && !strncmp(cable, "80-", 3))
pmif->cable_80 = 1;
}
@@ -1190,8 +1190,8 @@ pmac_ide_setup_device(pmac_ide_hwif_t *pmif, ide_hwif_t *hwif)
* they have a 80 conductor cable, this seem to be always the case unless
* the user mucked around
*/
- if (device_is_compatible(np, "K2-UATA") ||
- device_is_compatible(np, "shasta-ata"))
+ if (of_device_is_compatible(np, "K2-UATA") ||
+ of_device_is_compatible(np, "shasta-ata"))
pmif->cable_80 = 1;
/* On Kauai-type controllers, we make sure the FCR is correct */
diff --git a/drivers/infiniband/hw/ehca/ehca_main.c b/drivers/infiniband/hw/ehca/ehca_main.c
index 2d370543e96..fe90e745456 100644
--- a/drivers/infiniband/hw/ehca/ehca_main.c
+++ b/drivers/infiniband/hw/ehca/ehca_main.c
@@ -570,7 +570,7 @@ static int __devinit ehca_probe(struct ibmebus_dev *dev,
struct ib_pd *ibpd;
int ret;
- handle = get_property(dev->ofdev.node, "ibm,hca-handle", NULL);
+ handle = of_get_property(dev->ofdev.node, "ibm,hca-handle", NULL);
if (!handle) {
ehca_gen_err("Cannot get eHCA handle for adapter: %s.",
dev->ofdev.node->full_name);
diff --git a/drivers/macintosh/Kconfig b/drivers/macintosh/Kconfig
index 1a86387e23b..a32c91e27b3 100644
--- a/drivers/macintosh/Kconfig
+++ b/drivers/macintosh/Kconfig
@@ -1,6 +1,10 @@
-menu "Macintosh device drivers"
+menuconfig MACINTOSH_DRIVERS
+ bool "Macintosh device drivers"
depends on PPC || MAC || X86
+ default y
+
+if MACINTOSH_DRIVERS
config ADB
bool "Apple Desktop Bus (ADB) support"
@@ -109,7 +113,9 @@ config PMAC_SMU
config PMAC_APM_EMU
tristate "APM emulation"
- depends on PPC_PMAC && PPC32 && PM && ADB_PMU
+ select SYS_SUPPORTS_APM_EMULATION
+ select APM_EMULATION
+ depends on ADB_PMU && PM
config PMAC_MEDIABAY
bool "Support PowerBook hotswap media bay"
@@ -234,4 +240,4 @@ config PMAC_RACKMETER
This driver procides some support to control the front panel
blue LEDs "vu-meter" of the XServer macs.
-endmenu
+endif # MACINTOSH_DRIVERS
diff --git a/drivers/macintosh/apm_emu.c b/drivers/macintosh/apm_emu.c
index cdb0bead991..9821e6361e6 100644
--- a/drivers/macintosh/apm_emu.c
+++ b/drivers/macintosh/apm_emu.c
@@ -1,9 +1,7 @@
-/* APM emulation layer for PowerMac
- *
- * Copyright 2001 Benjamin Herrenschmidt (benh@kernel.crashing.org)
+/*
+ * APM emulation for PMU-based machines
*
- * Lots of code inherited from apm.c, see appropriate notice in
- * arch/i386/kernel/apm.c
+ * Copyright 2001 Benjamin Herrenschmidt (benh@kernel.crashing.org)
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
@@ -18,429 +16,39 @@
*
*/
-#include <linux/module.h>
-
-#include <linux/poll.h>
-#include <linux/types.h>
-#include <linux/stddef.h>
-#include <linux/timer.h>
-#include <linux/fcntl.h>
-#include <linux/slab.h>
-#include <linux/stat.h>
-#include <linux/proc_fs.h>
-#include <linux/miscdevice.h>
-#include <linux/apm_bios.h>
-#include <linux/init.h>
-#include <linux/sched.h>
-#include <linux/pm.h>
#include <linux/kernel.h>
-#include <linux/smp_lock.h>
-
+#include <linux/module.h>
+#include <linux/apm-emulation.h>
#include <linux/adb.h>
#include <linux/pmu.h>
-#include <asm/system.h>
-#include <asm/uaccess.h>
-#include <asm/machdep.h>
-
-#undef DEBUG
-
-#ifdef DEBUG
-#define DBG(args...) printk(KERN_DEBUG args)
-//#define DBG(args...) xmon_printf(args)
-#else
-#define DBG(args...) do { } while (0)
-#endif
-
-/*
- * The apm_bios device is one of the misc char devices.
- * This is its minor number.
- */
-#define APM_MINOR_DEV 134
-
-/*
- * Maximum number of events stored
- */
-#define APM_MAX_EVENTS 20
-
-#define FAKE_APM_BIOS_VERSION 0x0101
-
-#define APM_USER_NOTIFY_TIMEOUT (5*HZ)
-
-/*
- * The per-file APM data
- */
-struct apm_user {
- int magic;
- struct apm_user * next;
- int suser: 1;
- int suspend_waiting: 1;
- int suspends_pending;
- int suspends_read;
- int event_head;
- int event_tail;
- apm_event_t events[APM_MAX_EVENTS];
-};
-
-/*
- * The magic number in apm_user
- */
-#define APM_BIOS_MAGIC 0x4101
-
-/*
- * Local variables
- */
-static int suspends_pending;
-
-static DECLARE_WAIT_QUEUE_HEAD(apm_waitqueue);
-static DECLARE_WAIT_QUEUE_HEAD(apm_suspend_waitqueue);
-static struct apm_user * user_list;
-
-static void apm_notify_sleep(struct pmu_sleep_notifier *self, int when);
-static struct pmu_sleep_notifier apm_sleep_notifier = {
- apm_notify_sleep,
- SLEEP_LEVEL_USERLAND,
-};
-
-static const char driver_version[] = "0.5"; /* no spaces */
-
-#ifdef DEBUG
-static char * apm_event_name[] = {
- "system standby",
- "system suspend",
- "normal resume",
- "critical resume",
- "low battery",
- "power status change",
- "update time",
- "critical suspend",
- "user standby",
- "user suspend",
- "system standby resume",
- "capabilities change"
-};
-#define NR_APM_EVENT_NAME \
- (sizeof(apm_event_name) / sizeof(apm_event_name[0]))
-
-#endif
-
-static int queue_empty(struct apm_user *as)
-{
- return as->event_head == as->event_tail;
-}
-
-static apm_event_t get_queued_event(struct apm_user *as)
-{
- as->event_tail = (as->event_tail + 1) % APM_MAX_EVENTS;
- return as->events[as->event_tail];
-}
-
-static void queue_event(apm_event_t event, struct apm_user *sender)
-{
- struct apm_user * as;
-
- DBG("apm_emu: queue_event(%s)\n", apm_event_name[event-1]);
- if (user_list == NULL)
- return;
- for (as = user_list; as != NULL; as = as->next) {
- if (as == sender)
- continue;
- as->event_head = (as->event_head + 1) % APM_MAX_EVENTS;
- if (as->event_head == as->event_tail) {
- static int notified;
-
- if (notified++ == 0)
- printk(KERN_ERR "apm_emu: an event queue overflowed\n");
- as->event_tail = (as->event_tail + 1) % APM_MAX_EVENTS;
- }
- as->events[as->event_head] = event;
- if (!as->suser)
- continue;
- switch (event) {
- case APM_SYS_SUSPEND:
- case APM_USER_SUSPEND:
- as->suspends_pending++;
- suspends_pending++;
- break;
- case APM_NORMAL_RESUME:
- as->suspend_waiting = 0;
- break;
- }
- }
- wake_up_interruptible(&apm_waitqueue);
-}
-
-static int check_apm_user(struct apm_user *as, const char *func)
-{
- if ((as == NULL) || (as->magic != APM_BIOS_MAGIC)) {
- printk(KERN_ERR "apm_emu: %s passed bad filp\n", func);
- return 1;
- }
- return 0;
-}
-
-static ssize_t do_read(struct file *fp, char __user *buf, size_t count, loff_t *ppos)
-{
- struct apm_user * as;
- size_t i;
- apm_event_t event;
- DECLARE_WAITQUEUE(wait, current);
-
- as = fp->private_data;
- if (check_apm_user(as, "read"))
- return -EIO;
- if (count < sizeof(apm_event_t))
- return -EINVAL;
- if (queue_empty(as)) {
- if (fp->f_flags & O_NONBLOCK)
- return -EAGAIN;
- add_wait_queue(&apm_waitqueue, &wait);
-repeat:
- set_current_state(TASK_INTERRUPTIBLE);
- if (queue_empty(as) && !signal_pending(current)) {
- schedule();
- goto repeat;
- }
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&apm_waitqueue, &wait);
- }
- i = count;
- while ((i >= sizeof(event)) && !queue_empty(as)) {
- event = get_queued_event(as);
- DBG("apm_emu: do_read, returning: %s\n", apm_event_name[event-1]);
- if (copy_to_user(buf, &event, sizeof(event))) {
- if (i < count)
- break;
- return -EFAULT;
- }
- switch (event) {
- case APM_SYS_SUSPEND:
- case APM_USER_SUSPEND:
- as->suspends_read++;
- break;
- }
- buf += sizeof(event);
- i -= sizeof(event);
- }
- if (i < count)
- return count - i;
- if (signal_pending(current))
- return -ERESTARTSYS;
- return 0;
-}
-
-static unsigned int do_poll(struct file *fp, poll_table * wait)
-{
- struct apm_user * as;
-
- as = fp->private_data;
- if (check_apm_user(as, "poll"))
- return 0;
- poll_wait(fp, &apm_waitqueue, wait);
- if (!queue_empty(as))
- return POLLIN | POLLRDNORM;
- return 0;
-}
-
-static int do_ioctl(struct inode * inode, struct file *filp,
- u_int cmd, u_long arg)
-{
- struct apm_user * as;
- DECLARE_WAITQUEUE(wait, current);
-
- as = filp->private_data;
- if (check_apm_user(as, "ioctl"))
- return -EIO;
- if (!as->suser)
- return -EPERM;
- switch (cmd) {
- case APM_IOC_SUSPEND:
- /* If a suspend message was sent to userland, we
- * consider this as a confirmation message
- */
- if (as->suspends_read > 0) {
- as->suspends_read--;
- as->suspends_pending--;
- suspends_pending--;
- } else {
- // Route to PMU suspend ?
- break;
- }
- as->suspend_waiting = 1;
- add_wait_queue(&apm_waitqueue, &wait);
- DBG("apm_emu: ioctl waking up sleep waiter !\n");
- wake_up(&apm_suspend_waitqueue);
- mb();
- while(as->suspend_waiting && !signal_pending(current)) {
- set_current_state(TASK_INTERRUPTIBLE);
- schedule();
- }
- set_current_state(TASK_RUNNING);
- remove_wait_queue(&apm_waitqueue, &wait);
- break;
- default:
- return -EINVAL;
- }
- return 0;
-}
-
-static int do_release(struct inode * inode, struct file * filp)
-{
- struct apm_user * as;
-
- as = filp->private_data;
- if (check_apm_user(as, "release"))
- return 0;
- filp->private_data = NULL;
- lock_kernel();
- if (as->suspends_pending > 0) {
- suspends_pending -= as->suspends_pending;
- if (suspends_pending <= 0)
- wake_up(&apm_suspend_waitqueue);
- }
- if (user_list == as)
- user_list = as->next;
- else {
- struct apm_user * as1;
-
- for (as1 = user_list;
- (as1 != NULL) && (as1->next != as);
- as1 = as1->next)
- ;
- if (as1 == NULL)
- printk(KERN_ERR "apm: filp not in user list\n");
- else
- as1->next = as->next;
- }
- unlock_kernel();
- kfree(as);
- return 0;
-}
-
-static int do_open(struct inode * inode, struct file * filp)
-{
- struct apm_user * as;
-
- as = kmalloc(sizeof(*as), GFP_KERNEL);
- if (as == NULL) {
- printk(KERN_ERR "apm: cannot allocate struct of size %d bytes\n",
- sizeof(*as));
- return -ENOMEM;
- }
- as->magic = APM_BIOS_MAGIC;
- as->event_tail = as->event_head = 0;
- as->suspends_pending = 0;
- as->suspends_read = 0;
- /*
- * XXX - this is a tiny bit broken, when we consider BSD
- * process accounting. If the device is opened by root, we
- * instantly flag that we used superuser privs. Who knows,
- * we might close the device immediately without doing a
- * privileged operation -- cevans
- */
- as->suser = capable(CAP_SYS_ADMIN);
- as->next = user_list;
- user_list = as;
- filp->private_data = as;
-
- DBG("apm_emu: opened by %s, suser: %d\n", current->comm, (int)as->suser);
-
- return 0;
-}
-
-/* Wait for all clients to ack the suspend request. APM API
- * doesn't provide a way to NAK, but this could be added
- * here.
- */
-static void wait_all_suspend(void)
-{
- DECLARE_WAITQUEUE(wait, current);
-
- add_wait_queue(&apm_suspend_waitqueue,