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Commit 8451d22d authored by Jouni Malinen's avatar Jouni Malinen Committed by John W. Linville
Browse files

ath5k: avoid PCI FATAL interrupts by restoring RETRY_TIMEOUT disabling



This reverts 'ath5k: remove dummy PCI "retry timeout" fix' on the
same theory as in 'ath9k: Fix PCI FATAL interrupts by restoring
RETRY_TIMEOUT disabling'.

Reported-by: default avatarBob Copeland <me@bobcopeland.com>
Cc: stable@kernel.org
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 464902e8
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+7 −0
Original line number Diff line number Diff line
@@ -686,6 +686,13 @@ ath5k_pci_resume(struct pci_dev *pdev)
	if (err)
		return err;

	/*
	 * Suspend/Resume resets the PCI configuration space, so we have to
	 * re-disable the RETRY_TIMEOUT register (0x41) to keep
	 * PCI Tx retries from interfering with C3 CPU state
	 */
	pci_write_config_byte(pdev, 0x41, 0);

	err = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
	if (err) {
		ATH5K_ERR(sc, "request_irq failed\n");