b43legacy: drop invalid IMCFGLO workaround

We were performing it on wrong core, it was outdated and is already
implemented in ssb.

Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
Tested-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>

drivers/net/wireless/b43legacy/main.c

@@ -3104,37 +3104,6 @@ static void setup_struct_wldev_for_init(struct b43legacy_wldev *dev)
 	memset(&dev->noisecalc, 0, sizeof(dev->noisecalc));
 }
 
-static void b43legacy_imcfglo_timeouts_workaround(struct b43legacy_wldev *dev)
-{
-#ifdef CONFIG_SSB_DRIVER_PCICORE
-	struct ssb_bus *bus = dev->dev->bus;
-	u32 tmp;
-
-	if (bus->pcicore.dev &&
-	    bus->pcicore.dev->id.coreid == SSB_DEV_PCI &&
-	    bus->pcicore.dev->id.revision <= 5) {
-		/* IMCFGLO timeouts workaround. */
-		tmp = ssb_read32(dev->dev, SSB_IMCFGLO);
-		switch (bus->bustype) {
-		case SSB_BUSTYPE_PCI:
-		case SSB_BUSTYPE_PCMCIA:
-			tmp &= ~SSB_IMCFGLO_REQTO;
-			tmp &= ~SSB_IMCFGLO_SERTO;
-			tmp |= 0x32;
-			break;
-		case SSB_BUSTYPE_SSB:
-			tmp &= ~SSB_IMCFGLO_REQTO;
-			tmp &= ~SSB_IMCFGLO_SERTO;
-			tmp |= 0x53;
-			break;
-		default:
-			break;
-		}
-		ssb_write32(dev->dev, SSB_IMCFGLO, tmp);
-	}
-#endif /* CONFIG_SSB_DRIVER_PCICORE */
-}
-
 static void b43legacy_set_synth_pu_delay(struct b43legacy_wldev *dev,
 					  bool idle) {
 	u16 pu_delay = 1050;
@@ -3278,7 +3247,6 @@ static int b43legacy_wireless_core_init(struct b43legacy_wldev *dev)
 	/* Enable IRQ routing to this device. */
 	ssb_pcicore_dev_irqvecs_enable(&bus->pcicore, dev->dev);
 
-	b43legacy_imcfglo_timeouts_workaround(dev);
 	prepare_phy_data_for_init(dev);
 	b43legacy_phy_calibrate(dev);
 	err = b43legacy_chip_init(dev);