lkml.org 
[lkml]   [2004]   [Nov]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
Date
From
SubjectAdapt drivers to type-safe pci
Hi!

This adapts few drivers to type-safe pci powermanagment. I introduced
device_to_pci_state helper that will be usefull to few drivers... Does
it look okay? If so, Patrick, please apply.

[device_to_pci_power will have to change in near future. Still that's
better than changing 30 drivers.]
Pavel

--- linux.middle/drivers/media/video/bttv-driver.c 2004-10-19 14:38:02.000000000 +0200
+++ linux/drivers/media/video/bttv-driver.c 2004-11-01 21:25:09.000000000 +0100
@@ -3945,7 +3945,7 @@

/* save pci state */
pci_save_state(pci_dev, btv->state.pci_cfg);
- if (0 != pci_set_power_state(pci_dev, state)) {
+ if (0 != pci_set_power_state(pci_dev, device_to_pci_power(pci_dev, state))) {
pci_disable_device(pci_dev);
btv->state.disabled = 1;
}
@@ -3964,7 +3964,7 @@
pci_enable_device(pci_dev);
btv->state.disabled = 0;
}
- pci_set_power_state(pci_dev, 0);
+ pci_set_power_state(pci_dev, PCI_D0);
pci_restore_state(pci_dev, btv->state.pci_cfg);

/* restore bt878 state */
--- linux.middle/drivers/net/8139too.c 2004-10-19 14:38:06.000000000 +0200
+++ linux/drivers/net/8139too.c 2004-11-01 20:41:29.000000000 +0100
@@ -2608,7 +2608,7 @@

spin_unlock_irqrestore (&tp->lock, flags);

- pci_set_power_state (pdev, 3);
+ pci_set_power_state (pdev, PCI_D3hot);

return 0;
}
@@ -2622,7 +2622,7 @@
pci_restore_state (pdev, tp->pci_state);
if (!netif_running (dev))
return 0;
- pci_set_power_state (pdev, 0);
+ pci_set_power_state (pdev, PCI_D0);
rtl8139_init_ring (dev);
rtl8139_hw_start (dev);
netif_device_attach (dev);
--- linux.middle/drivers/net/via-rhine.c 2004-10-21 12:32:56.000000000 +0200
+++ linux/drivers/net/via-rhine.c 2004-11-01 20:35:30.000000000 +0100
@@ -1974,7 +1974,7 @@
if (request_irq(dev->irq, rhine_interrupt, SA_SHIRQ, dev->name, dev))
printk(KERN_ERR "via-rhine %s: request_irq failed\n", dev->name);

- ret = pci_set_power_state(pdev, 0);
+ ret = pci_set_power_state(pdev, PCI_D0);
if (debug > 1)
printk(KERN_INFO "%s: Entering power state D0 %s (%d).\n",
dev->name, ret ? "failed" : "succeeded", ret);
--- linux.middle/include/linux/pci.h 2004-10-25 23:25:41.000000000 +0200
+++ linux/include/linux/pci.h 2004-11-01 21:24:17.000000000 +0100
@@ -488,6 +488,16 @@
#define PCI_D3hot ((pci_power_t __force) 3)
#define PCI_D3cold ((pci_power_t __force) 4)

+static inline pci_power_t device_to_pci_power(struct pci_dev *dev, u32 state)
+{
+ switch (state) {
+ case 0: return PCI_D0;
+ case 2: return PCI_D2;
+ case 3: return PCI_D3hot;
+ default: BUG();
+ }
+}
+
/*
* The pci_dev structure is used to describe PCI devices.
*/
--
People were complaining that M$ turns users into beta-testers...
...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl!
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 14:07    [W:0.037 / U:0.172 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site