From: Michael Buesch <mb@bu3sch.de>
To: John W Linville <linville@tuxdriver.com>
Cc: bcm43xx-dev@lists.berlios.de, linux-wireless@vger.kernel.org
Subject: [PATCH] b43: Enable PCI slow clock workaround, if needed.
Date: Fri, 20 Feb 2009 14:58:59 +0100 [thread overview]
Message-ID: <200902201458.59759.mb@bu3sch.de> (raw)
Enable the PCI slow clock workaround, if we're running a PCI core rev <= 10.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
---
John, this doesn't fix know bugs. Please queue for the next feature release.
Index: wireless-testing/drivers/net/wireless/b43/main.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/main.c 2009-02-20 14:41:53.000000000 +0100
+++ wireless-testing/drivers/net/wireless/b43/main.c 2009-02-20 14:53:23.000000000 +0100
@@ -4187,12 +4187,15 @@ static int b43_wireless_core_init(struct
hf |= B43_HF_4318TSSI;
if (phy->radio_rev < 6)
hf |= B43_HF_VCORECALC;
}
if (sprom->boardflags_lo & B43_BFL_XTAL_NOSLOW)
hf |= B43_HF_DSCRQ; /* Disable slowclock requests from ucode. */
+ if ((bus->bustype == SSB_BUSTYPE_PCI) &&
+ (bus->pcicore.dev->id.revision <= 10))
+ hf |= B43_HF_PCISCW; /* PCI slow clock workaround. */
b43_hf_write(dev, hf);
b43_set_retry_limits(dev, B43_DEFAULT_SHORT_RETRY_LIMIT,
B43_DEFAULT_LONG_RETRY_LIMIT);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_SFFBLIM, 3);
b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_LFFBLIM, 2);
--
Greetings, Michael.
reply other threads:[~2009-02-20 13:59 UTC|newest]
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