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ieee1394: restore config ROM when resuming

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After PM suspend + resume, the local configuration ROM was not restored.
This prevented remote nodes from recognizing the resuming machine.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Stefan Richter 2007-01-07 21:49:27 +01:00
parent 083922fe1c
commit 3360177c62
4 changed files with 12 additions and 9 deletions
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13
drivers/ieee1394/hosts.c
View file

@ -190,14 +190,19 @@ int hpsb_add_host(struct hpsb_host *host)
{
if (hpsb_default_host_entry(host))
return -ENOMEM;
hpsb_add_extra_config_roms(host);
highlevel_add_host(host);
return 0;
}
void hpsb_resume_host(struct hpsb_host *host)
{
if (host->driver->set_hw_config_rom)
host->driver->set_hw_config_rom(host,
host->csr.rom->bus_info_data);
host->driver->devctl(host, RESET_BUS, SHORT_RESET);
}
void hpsb_remove_host(struct hpsb_host *host)
{
host->is_shutdown = 1;
@ -206,9 +211,7 @@ void hpsb_remove_host(struct hpsb_host *host)
flush_scheduled_work();
host->driver = &dummy_driver;
highlevel_remove_host(host);
hpsb_remove_extra_config_roms(host);
class_device_unregister(&host->class_dev);

3
drivers/ieee1394/hosts.h
View file

@ -200,7 +200,8 @@ struct hpsb_host_driver {
struct hpsb_host *hpsb_alloc_host(struct hpsb_host_driver *drv, size_t extra,
struct device *dev);
int hpsb_add_host(struct hpsb_host *host);
void hpsb_remove_host(struct hpsb_host *h);
void hpsb_resume_host(struct hpsb_host *host);
void hpsb_remove_host(struct hpsb_host *host);
/* Updates the configuration rom image of a host. rom_version must be the
* current version, otherwise it will fail with return value -1. If this

1
drivers/ieee1394/ieee1394_core.c
View file

@ -1178,6 +1178,7 @@ module_exit(ieee1394_cleanup);
/** hosts.c **/
EXPORT_SYMBOL(hpsb_alloc_host);
EXPORT_SYMBOL(hpsb_add_host);
EXPORT_SYMBOL(hpsb_resume_host);
EXPORT_SYMBOL(hpsb_remove_host);
EXPORT_SYMBOL(hpsb_update_config_rom_image);

4
drivers/ieee1394/ohci1394.c
View file

@ -3536,9 +3536,6 @@ static int ohci1394_pci_suspend(struct pci_dev *pdev, pm_message_t state)
int err;
struct ti_ohci *ohci = pci_get_drvdata(pdev);
printk(KERN_INFO "%s does not fully support suspend and resume yet\n",
OHCI1394_DRIVER_NAME);
if (!ohci) {
printk(KERN_ERR "%s: tried to suspend nonexisting host\n",
OHCI1394_DRIVER_NAME);
@ -3625,6 +3622,7 @@ static int ohci1394_pci_resume(struct pci_dev *pdev)
mdelay(50);
ohci_initialize(ohci);
hpsb_resume_host(ohci->host);
return 0;
}
#endif /* CONFIG_PM */