Hi!
This is what I'd like to push to akpm. It is not yet rediffed against
-rc1-mm2. For preview only, I need to get some sleep.
Pavel
--- clean/drivers/base/power/resume.c 2004-12-25 13:34:59.000000000 +0100
+++ linux/drivers/base/power/resume.c 2005-03-22 12:20:53.000000000 +0100
@@ -41,7 +41,7 @@
list_add_tail(entry, &dpm_active);
up(&dpm_list_sem);
- if (!dev->power.prev_state)
+ if (!dev->power.prev_state.event)
resume_device(dev);
down(&dpm_list_sem);
put_device(dev);
--- clean/drivers/base/power/runtime.c 2005-01-12 11:07:39.000000000 +0100
+++ linux/drivers/base/power/runtime.c 2005-03-22 12:20:53.000000000 +0100
@@ -13,10 +13,10 @@
static void runtime_resume(struct device * dev)
{
dev_dbg(dev, "resuming\n");
- if (!dev->power.power_state)
+ if (!dev->power.power_state.event)
return;
if (!resume_device(dev))
- dev->power.power_state = 0;
+ dev->power.power_state = PMSG_ON;
}
@@ -49,10 +49,10 @@
int error = 0;
down(&dpm_sem);
- if (dev->power.power_state == state)
+ if (dev->power.power_state.event == state.event)
goto Done;
- if (dev->power.power_state)
+ if (dev->power.power_state.event)
runtime_resume(dev);
if (!(error = suspend_device(dev, state)))
--- clean/drivers/base/power/shutdown.c 2004-08-15 19:14:55.000000000 +0200
+++ linux/drivers/base/power/shutdown.c 2005-03-22 12:20:53.000000000 +0100
@@ -29,7 +29,8 @@
dev->driver->shutdown(dev);
return 0;
}
- return dpm_runtime_suspend(dev, dev->detach_state);
+ /* FIXME */
+ return dpm_runtime_suspend(dev, PMSG_FREEZE);
}
--- clean/drivers/base/power/suspend.c 2005-01-12 11:07:39.000000000 +0100
+++ linux/drivers/base/power/suspend.c 2005-03-22 12:20:53.000000000 +0100
@@ -43,7 +43,7 @@
dev->power.prev_state = dev->power.power_state;
- if (dev->bus && dev->bus->suspend && !dev->power.power_state)
+ if (dev->bus && dev->bus->suspend && (!dev->power.power_state.event))
error = dev->bus->suspend(dev, state);
return error;
--- clean/drivers/base/power/sysfs.c 2004-08-15 19:14:55.000000000 +0200
+++ linux/drivers/base/power/sysfs.c 2005-03-22 12:20:53.000000000 +0100
@@ -26,19 +26,20 @@
static ssize_t state_show(struct device * dev, char * buf)
{
- return sprintf(buf, "%u\n", dev->power.power_state);
+ return sprintf(buf, "%u\n", dev->power.power_state.event);
}
static ssize_t state_store(struct device * dev, const char * buf, size_t n)
{
- u32 state;
+ pm_message_t state;
char * rest;
int error = 0;
- state = simple_strtoul(buf, &rest, 10);
+ state.event = simple_strtoul(buf, &rest, 10);
+// state.flags = PFL_RUNTIME;
if (*rest)
return -EINVAL;
- if (state)
+ if (state.event)
error = dpm_runtime_suspend(dev, state);
else
dpm_runtime_resume(dev);
--- clean/drivers/ide/ide.c 2005-03-19 00:31:23.000000000 +0100
+++ linux/drivers/ide/ide.c 2005-03-22 12:20:53.000000000 +0100
@@ -1390,7 +1390,7 @@
rq.special = &args;
rq.pm = &rqpm;
rqpm.pm_step = ide_pm_state_start_suspend;
- rqpm.pm_state = state;
+ rqpm.pm_state = state.event;
return ide_do_drive_cmd(drive, &rq, ide_wait);
}
@@ -1409,7 +1409,7 @@
rq.special = &args;
rq.pm = &rqpm;
rqpm.pm_step = ide_pm_state_start_resume;
- rqpm.pm_state = 0;
+ rqpm.pm_state = PM_EVENT_ON;
return ide_do_drive_cmd(drive, &rq, ide_head_wait);
}
--- clean/drivers/pci/pci.c 2005-03-19 00:31:43.000000000 +0100
+++ linux/drivers/pci/pci.c 2005-03-22 12:20:53.000000000 +0100
@@ -312,22 +312,24 @@
/**
* pci_choose_state - Choose the power state of a PCI device
* @dev: PCI device to be suspended
- * @state: target sleep state for the whole system
+ * @state: target sleep state for the whole system. This is the value
+ * that is passed to suspend() function.
*
* Returns PCI power state suitable for given device and given system
* message.
*/
-pci_power_t pci_choose_state(struct pci_dev *dev, u32 state)
+pci_power_t pci_choose_state(struct pci_dev *dev, pm_message_t state)
{
- if (!pci_find_capability(dev, PCI_CAP_ID_PM))
+ switch (state.event) {
+ case PM_EVENT_ON:
return PCI_D0;
-
- switch (state) {
- case 0: return PCI_D0;
- case 2: return PCI_D2;
- case 3: return PCI_D3hot;
- default: BUG();
+ case PM_EVENT_FREEZE:
+ case PM_EVENT_SUSPEND:
+ return PCI_D3hot;
+ default:
+ printk("They asked me for state %d\n", state.event);
+ BUG();
}
return PCI_D0;
}
--- clean/drivers/usb/core/hcd-pci.c 2005-03-19 00:31:51.000000000 +0100
+++ linux/drivers/usb/core/hcd-pci.c 2005-03-22 12:20:53.000000000 +0100
@@ -68,7 +68,7 @@
if (pci_enable_device (dev) < 0)
return -ENODEV;
dev->current_state = 0;
- dev->dev.power.power_state = 0;
+ dev->dev.power.power_state.event = 0;
if (!dev->irq) {
dev_err (&dev->dev,
@@ -291,9 +294,6 @@
break;
}
- /* update power_state **ONLY** to make sysfs happier */
- if (retval == 0)
- dev->dev.power.power_state = state;
return retval;
}
EXPORT_SYMBOL (usb_hcd_pci_suspend);
--- clean/drivers/usb/core/hub.c 2005-03-19 00:31:51.000000000 +0100
+++ linux/drivers/usb/core/hub.c 2005-03-22 12:20:53.000000000 +0100
@@ -1557,7 +1557,7 @@
struct usb_driver *driver;
intf = udev->actconfig->interface[i];
- if (state <= intf->dev.power.power_state)
+ if (state.event <= intf->dev.power.power_state.event)
continue;
if (!intf->dev.driver)
continue;
@@ -1565,11 +1565,11 @@
if (driver->suspend) {
status = driver->suspend(intf, state);
- if (intf->dev.power.power_state != state
+ if (intf->dev.power.power_state.event != state.event
|| status)
dev_err(&intf->dev,
"suspend %d fail, code %d\n",
- state, status);
+ state.event, status);
}
/* only drivers with suspend() can ever resume();
@@ -1582,7 +1582,7 @@
* since we know every driver's probe/disconnect works
* even for drivers that can't suspend.
*/
- if (!driver->suspend || state > PM_SUSPEND_MEM) {
+ if (!driver->suspend || state.event > PM_EVENT_FREEZE) {
#if 1
dev_warn(&intf->dev, "resume is unsafe!\n");
#else
@@ -1603,7 +1603,7 @@
* policies (when HNP doesn't apply) once we have mechanisms to
* turn power back on! (Likely not before 2.7...)
*/
- if (state > PM_SUSPEND_MEM) {
+ if (state.event > PM_EVENT_FREEZE) {
dev_warn(&udev->dev, "no poweroff yet, suspending instead\n");
}
@@ -1718,7 +1718,7 @@
struct usb_driver *driver;
intf = udev->actconfig->interface[i];
- if (intf->dev.power.power_state == PM_SUSPEND_ON)
+ if (intf->dev.power.power_state.event == PM_EVENT_ON)
continue;
if (!intf->dev.driver) {
/* FIXME maybe force to alt 0 */
@@ -1732,11 +1732,11 @@
/* can we do better than just logging errors? */
status = driver->resume(intf);
- if (intf->dev.power.power_state != PM_SUSPEND_ON
+ if (intf->dev.power.power_state.event != PM_EVENT_ON
|| status)
dev_dbg(&intf->dev,
"resume fail, state %d code %d\n",
- intf->dev.power.power_state, status);
+ intf->dev.power.power_state.event, status);
}
status = 0;
@@ -1917,7 +1917,7 @@
unsigned port1;
int status;
- if (intf->dev.power.power_state == PM_SUSPEND_ON)
+ if (intf->dev.power.power_state.event == PM_EVENT_ON)
return 0;
for (port1 = 1; port1 <= hdev->maxchild; port1++) {
--- clean/drivers/usb/core/usb.c 2005-03-19 00:31:51.000000000 +0100
+++ linux/drivers/usb/core/usb.c 2005-03-22 12:20:53.000000000 +0100
@@ -1367,7 +1367,7 @@
driver = to_usb_driver(dev->driver);
/* there's only one USB suspend state */
- if (intf->dev.power.power_state)
+ if (intf->dev.power.power_state.event)
return 0;
if (driver->suspend)
--- clean/drivers/usb/host/ehci-dbg.c 2005-01-12 11:07:40.000000000 +0100
+++ linux/drivers/usb/host/ehci-dbg.c 2005-03-22 12:20:53.000000000 +0100
@@ -641,7 +641,7 @@
spin_lock_irqsave (&ehci->lock, flags);
- if (bus->controller->power.power_state) {
+ if (bus->controller->power.power_state.event) {
size = scnprintf (next, size,
"bus %s, device %s (driver " DRIVER_VERSION ")\n"
"SUSPENDED (no register access)\n",
--- clean/drivers/usb/host/ohci-dbg.c 2005-03-19 00:31:53.000000000 +0100
+++ linux/drivers/usb/host/ohci-dbg.c 2005-03-22 12:20:53.000000000 +0100
@@ -625,7 +625,7 @@
hcd->self.controller->bus_id,
hcd_name);
- if (bus->controller->power.power_state) {
+ if (bus->controller->power.power_state.event) {
size -= scnprintf (next, size,
"SUSPENDED (no register access)\n");
goto done;
--- clean/drivers/usb/host/sl811-hcd.c 2005-03-19 00:31:53.000000000 +0100
+++ linux/drivers/usb/host/sl811-hcd.c 2005-03-22 12:20:53.000000000 +0100
@@ -1781,9 +1781,9 @@
if (phase != SUSPEND_POWER_DOWN)
return retval;
- if (state <= PM_SUSPEND_MEM)
+ if (state.event == PM_EVENT_FREEZE)
retval = sl811h_hub_suspend(hcd);
- else
+ else if (state.event == PM_EVENT_SUSPEND)
port_power(sl811, 0);
if (retval == 0)
dev->power.power_state = state;
@@ -1802,14 +1802,14 @@
/* with no "check to see if VBUS is still powered" board hook,
* let's assume it'd only be powered to enable remote wakeup.
*/
- if (dev->power.power_state > PM_SUSPEND_MEM
+ if (dev->power.power_state.event == PM_EVENT_SUSPEND
|| !hcd->can_wakeup) {
sl811->port1 = 0;
port_power(sl811, 1);
return 0;
}
- dev->power.power_state = PM_SUSPEND_ON;
+ dev->power.power_state = PMSG_ON;
return sl811h_hub_resume(hcd);
}
--- clean/drivers/video/aty/atyfb_base.c 2005-03-19 00:31:59.000000000 +0100
+++ linux/drivers/video/aty/atyfb_base.c 2005-03-22 12:20:53.000000000 +0100
@@ -2070,12 +2070,12 @@
struct fb_info *info = pci_get_drvdata(pdev);
struct atyfb_par *par = (struct atyfb_par *) info->par;
- if (pdev->dev.power.power_state == 0)
+ if (pdev->dev.power.power_state.event == PM_EVENT_ON)
return 0;
acquire_console_sem();
- if (pdev->dev.power.power_state == 2)
+ if (pdev->dev.power.power_state.event == 2)
aty_power_mgmt(0, par);
par->asleep = 0;
--- clean/drivers/video/aty/radeon_pm.c 2005-03-19 00:31:59.000000000 +0100
+++ linux/drivers/video/aty/radeon_pm.c 2005-03-22 12:20:53.000000000 +0100
@@ -2519,33 +2519,26 @@
}
-static/*extern*/ int susdisking = 0;
-
-int radeonfb_pci_suspend(struct pci_dev *pdev, u32 state)
+int radeonfb_pci_suspend(struct pci_dev *pdev, pm_message_t state)
{
struct fb_info *info = pci_get_drvdata(pdev);
struct radeonfb_info *rinfo = info->par;
u8 agp;
int i;
- if (state == pdev->dev.power.power_state)
+ if (state.event == pdev->dev.power.power_state.event)
return 0;
printk(KERN_DEBUG "radeonfb (%s): suspending to state: %d...\n",
- pci_name(pdev), state);
+ pci_name(pdev), state.event);
/* For suspend-to-disk, we cheat here. We don't suspend anything and
* let fbcon continue drawing until we are all set. That shouldn't
* really cause any problem at this point, provided that the wakeup
* code knows that any state in memory may not match the HW
*/
- if (state != PM_SUSPEND_MEM)
- goto done;
- if (susdisking) {
- printk("radeonfb (%s): suspending to disk but state = %d\n",
- pci_name(pdev), state);
+ if (state.event == PM_EVENT_FREEZE)
goto done;
- }
acquire_console_sem();
@@ -2637,7 +2630,7 @@
struct radeonfb_info *rinfo = info->par;
int rc = 0;
- if (pdev->dev.power.power_state == 0)
+ if (pdev->dev.power.power_state.event == PM_EVENT_ON)
return 0;
if (rinfo->no_schedule) {
@@ -2647,7 +2640,7 @@
acquire_console_sem();
printk(KERN_DEBUG "radeonfb (%s): resuming from state: %d...\n",
- pci_name(pdev), pdev->dev.power.power_state);
+ pci_name(pdev), pdev->dev.power.power_state.event);
if (pci_enable_device(pdev)) {
@@ -2658,7 +2651,7 @@
}
pci_set_master(pdev);
- if (pdev->dev.power.power_state == PM_SUSPEND_MEM) {
+ if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
/* Wakeup chip. Check from config space if we were powered off
* (todo: additionally, check CLK_PIN_CNTL too)
*/
--- clean/drivers/video/i810/i810_main.c 2005-03-19 00:32:00.000000000 +0100
+++ linux/drivers/video/i810/i810_main.c 2005-03-22 12:20:53.000000000 +0100
@@ -1492,18 +1492,18 @@
/***********************************************************************
* Power Management *
***********************************************************************/
-static int i810fb_suspend(struct pci_dev *dev, u32 state)
+static int i810fb_suspend(struct pci_dev *dev, pm_message_t state)
{
struct fb_info *info = pci_get_drvdata(dev);
struct i810fb_par *par = (struct i810fb_par *) info->par;
int blank = 0, prev_state = par->cur_state;
- if (state == prev_state)
+ if (state.event == prev_state)
return 0;
- par->cur_state = state;
+ par->cur_state = state.event;
- switch (state) {
+ switch (state.event) {
case 1:
blank = VESA_VSYNC_SUSPEND;
break;
@@ -1524,7 +1524,7 @@
pci_disable_device(dev);
}
pci_save_state(dev);
- pci_set_power_state(dev, state);
+ pci_set_power_state(dev, pci_choose_state(dev, state));
return 0;
}
--- clean/include/linux/pm.h 2005-03-19 00:32:25.000000000 +0100
+++ linux/include/linux/pm.h 2005-03-22 12:25:54.000000000 +0100
@@ -185,7 +185,10 @@
struct device;
-typedef u32 __bitwise pm_message_t;
+typedef struct pm_message {
+ int event;
+ int flags;
+} pm_message_t;
/*
* There are 4 important states driver can be in:
@@ -205,9 +208,15 @@
* or something similar soon.
*/
-#define PMSG_FREEZE ((__force pm_message_t) 3)
-#define PMSG_SUSPEND ((__force pm_message_t) 3)
-#define PMSG_ON ((__force pm_message_t) 0)
+#define PM_EVENT_ON 0
+#define PM_EVENT_FREEZE 1
+#define PM_EVENT_SUSPEND 2
+
+#define PFL_RUNTIME 1
+
+#define PMSG_FREEZE ({struct pm_message m; m.event = PM_EVENT_FREEZE; m.flags = 0; m; })
+#define PMSG_SUSPEND ({struct pm_message m; m.event = PM_EVENT_SUSPEND; m.flags = 0; m; })
+#define PMSG_ON ({struct pm_message m; m.event = PM_EVENT_ON; m.flags = 0; m; })
struct dev_pm_info {
pm_message_t power_state;
--
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
