commit 9f4324c2d79b28d387df32a25fbd192e7ca160cb
Author: Jiri Slaby <ku@bellona.localdomain>
Date:   Thu Jun 21 10:52:31 2007 +0200

    write byte to pci 0x41, not anded dword

diff --git a/ath/if_ath_pci.c b/ath/if_ath_pci.c
index fbdeb1e..dc414f1 100644
--- a/ath/if_ath_pci.c
+++ b/ath/if_ath_pci.c
@@ -708,7 +708,6 @@ static int __devinit ath_pci_probe(struct pci_dev *pdev,
 	struct ieee80211_hw *hw;
 	const char *athname;
 	int retval;
-	u32 val;
 	u8 csz;
 
 	retval = pci_enable_device(pdev);
@@ -752,12 +751,8 @@ static int __devinit ath_pci_probe(struct pci_dev *pdev,
 	/*
 	 * Disable the RETRY_TIMEOUT register (0x41) to keep
 	 * PCI Tx retries from interfering with C3 CPU state.
-	 *
-	 * Code taken from ipw2100 driver - jg
 	 */
-	pci_read_config_dword(pdev, 0x40, &val);
-	if ((val & 0x0000ff00) != 0)
-		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+	pci_write_config_byte(pdev, 0x41, 0);
 
 	retval = pci_request_region(pdev, 0, "ath");
 	if (retval) {
@@ -855,7 +850,6 @@ static int ath_pci_resume(struct pci_dev *pdev)
 {
 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 	struct ath_softc *sc = hw->priv;
-	u32 val;
 	int err;
 
 	err = pci_set_power_state(pdev, PCI_D0);
@@ -871,12 +865,8 @@ static int ath_pci_resume(struct pci_dev *pdev)
 	 * 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
-	 *
-	 * Code taken from ipw2100 driver - jg
 	 */
-	pci_read_config_dword(pdev, 0x40, &val);
-	if ((val & 0x0000ff00) != 0)
-		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
+	pci_write_config_byte(pdev, 0x41, 0);
 
 //	ath_init(hw);
 	if (sc->sc_softled) {