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| author | Jiri Slaby <jirislaby@gmail.com> | 2008-07-15 17:44:21 +0200 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2008-07-29 16:36:29 -0400 |
| commit | 3e4242b99ce46fed82aa7f40ad5a1817a2b3bd45 (patch) | |
| tree | 556a4080d0a73ad90c4016cac8f20d5c61617fa3 | |
| parent | e86600c7b4e9b9b22ba51620613d6159bf5cf504 (diff) | |
| download | linux-3e4242b99ce46fed82aa7f40ad5a1817a2b3bd45.tar.gz linux-3e4242b99ce46fed82aa7f40ad5a1817a2b3bd45.tar.bz2 linux-3e4242b99ce46fed82aa7f40ad5a1817a2b3bd45.zip | |
Ath5k: suspend/resume fixes
- free and re-request irq since it might have changed during suspend
- disable and enable msi
- don't set D0 state of the device, it's already done by the PCI layer
- do restore_state before enable_device, it's safer
- check ath5k_init return value
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Acked-by: Nick Kossifidis <mickflemm@gmail.com>
Cc: Luis R. Rodriguez <mcgrof@gmail.com>
Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
| -rw-r--r-- | drivers/net/wireless/ath5k/base.c | 26 |
1 files changed, 21 insertions, 5 deletions
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c index 3aa22dc71651..7273e9f5c6d5 100644 --- a/drivers/net/wireless/ath5k/base.c +++ b/drivers/net/wireless/ath5k/base.c @@ -592,6 +592,9 @@ ath5k_pci_suspend(struct pci_dev *pdev, pm_message_t state) ath5k_led_off(sc); ath5k_stop_hw(sc); + + free_irq(pdev->irq, sc); + pci_disable_msi(pdev); pci_save_state(pdev); pci_disable_device(pdev); pci_set_power_state(pdev, PCI_D3hot); @@ -607,15 +610,12 @@ ath5k_pci_resume(struct pci_dev *pdev) struct ath5k_hw *ah = sc->ah; int i, err; - err = pci_set_power_state(pdev, PCI_D0); - if (err) - return err; + pci_restore_state(pdev); err = pci_enable_device(pdev); if (err) return err; - pci_restore_state(pdev); /* * Suspend/Resume resets the PCI configuration space, so we have to * re-disable the RETRY_TIMEOUT register (0x41) to keep @@ -623,7 +623,17 @@ ath5k_pci_resume(struct pci_dev *pdev) */ pci_write_config_byte(pdev, 0x41, 0); - ath5k_init(sc); + pci_enable_msi(pdev); + + err = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc); + if (err) { + ATH5K_ERR(sc, "request_irq failed\n"); + goto err_msi; + } + + err = ath5k_init(sc); + if (err) + goto err_irq; ath5k_led_enable(sc); /* @@ -637,6 +647,12 @@ ath5k_pci_resume(struct pci_dev *pdev) ath5k_hw_reset_key(ah, i); return 0; +err_irq: + free_irq(pdev->irq, sc); +err_msi: + pci_disable_msi(pdev); + pci_disable_device(pdev); + return err; } #endif /* CONFIG_PM */ |