On Sun, Mar 06, 2005 at 02:09:46PM -0600, Hendrik Hoeth wrote:
> I'm using a serial CardBus card (Sony Ericsson GC79 -- combined GPRS and
> WiFi, I'm talking about the GPRS modem part of it) in a Samsung P35
> laptop, kernel version 2.6.11. If I put the laptop in S3 leaving the
> card in the laptop, the card does not wake up on resume. I need to
> remove and reinsert the card.
Looks like the card wasn't resumed properly. Please try this patch:
diff -up -x BitKeeper -x ChangeSet -x SCCS -x _xlk -x *.orig -x *.rej
orig/drivers/serial/8250_pci.c linux/drivers/serial/8250_pci.c
--- orig/drivers/serial/8250_pci.c Wed Mar 2 14:40:16 2005
+++ linux/drivers/serial/8250_pci.c Sun Mar 6 22:38:46 2005
@@ -1759,7 +1759,7 @@ static void __devexit pciserial_remove_o
}
}
-static int pciserial_suspend_one(struct pci_dev *dev, u32 state)
+static int pciserial_suspend_one(struct pci_dev *dev, pm_message_t state)
{
struct serial_private *priv = pci_get_drvdata(dev);
@@ -1769,6 +1769,8 @@ static int pciserial_suspend_one(struct
for (i = 0; i < priv->nr; i++)
serial8250_suspend_port(priv->line[i]);
}
+ pci_save_state(dev);
+ pci_set_power_state(dev, pci_choose_state(dev, state));
return 0;
}
@@ -1776,10 +1778,18 @@ static int pciserial_resume_one(struct p
{
struct serial_private *priv = pci_get_drvdata(dev);
+ pci_set_power_state(dev, PCI_D0);
+ pci_restore_state(dev);
+
if (priv) {
int i;
/*
+ * The device may have been disabled. Re-enable it.
+ */
+ pci_enable_device(dev);
+
+ /*
* Ensure that the board is correctly configured.
*/
if (priv->quirk->init)
--
Russell King
Linux kernel 2.6 ARM Linux - http://www.arm.linux.org.uk/
maintainer of: 2.6 Serial core
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