add the bcm43xx stable fix
svn path=/dists/trunk/linux-2.6/; revision=7792
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@ -10,6 +10,7 @@ linux-2.6 (2.6.18-6) UNRELEASED; urgency=low
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- mm: small cleanup of install_page()
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- mm: small cleanup of install_page()
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- mm: fixup do_wp_page()
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- mm: fixup do_wp_page()
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- mm: msync() cleanup (closes: #394392)
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- mm: msync() cleanup (closes: #394392)
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* Add another bcm43xx patch queued for 2.6.18.3.
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[ Steve Langasek ]
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[ Steve Langasek ]
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* [alpha] new titan-video patch, for compatibility with TITAN and similar
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* [alpha] new titan-video patch, for compatibility with TITAN and similar
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@ -31,7 +32,7 @@ linux-2.6 (2.6.18-6) UNRELEASED; urgency=low
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[ Thiemo Seufer ]
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[ Thiemo Seufer ]
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* Enable raid456 for mips/mipsel qemu kernel.
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* Enable raid456 for mips/mipsel qemu kernel.
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-- dann frazier <dannf@debian.org> Mon, 13 Nov 2006 00:42:56 -0700
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-- maximilian attems <maks@sternwelten.at> Tue, 14 Nov 2006 00:27:20 +0100
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linux-2.6 (2.6.18-5) unstable; urgency=low
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linux-2.6 (2.6.18-5) unstable; urgency=low
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@ -0,0 +1,57 @@
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From stable-bounces@linux.kernel.org Sun Nov 5 13:38:59 2006
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Date: Sun, 05 Nov 2006 15:34:36 -0600
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From: Larry Finger <Larry.Finger@lwfinger.net>
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To: stable@kernel.org
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Message-ID: <454E58EC.mail20S110EOC@lwfinger.net>
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Cc: netdev@vger.kernel.org, mb@bu3sch.de, greg@kroah.com
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Subject: bcm43xx: Drain TX status before starting IRQs
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From: Michael Buesch <mb@bu3sch.de>
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Drain the Microcode TX-status-FIFO before we enable IRQs.
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This is required, because the FIFO may still have entries left
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from a previous run. Those would immediately fire after enabling
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IRQs and would lead to an oops in the DMA TXstatus handling code.
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Cc: "John W. Linville" <linville@tuxdriver.com>
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Signed-off-by: Michael Buesch <mb@bu3sch.de>
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Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
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Signed-off-by: Chris Wright <chrisw@sous-sol.org>
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---
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drivers/net/wireless/bcm43xx/bcm43xx_main.c | 18 ++++++++++++++++++
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1 file changed, 18 insertions(+)
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--- linux-2.6.18.2.orig/drivers/net/wireless/bcm43xx/bcm43xx_main.c
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+++ linux-2.6.18.2/drivers/net/wireless/bcm43xx/bcm43xx_main.c
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@@ -1463,6 +1463,23 @@ static void handle_irq_transmit_status(s
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}
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}
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+static void drain_txstatus_queue(struct bcm43xx_private *bcm)
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+{
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+ u32 dummy;
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+
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+ if (bcm->current_core->rev < 5)
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+ return;
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+ /* Read all entries from the microcode TXstatus FIFO
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+ * and throw them away.
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+ */
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+ while (1) {
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+ dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_0);
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+ if (!dummy)
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+ break;
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+ dummy = bcm43xx_read32(bcm, BCM43xx_MMIO_XMITSTAT_1);
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+ }
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+}
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+
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static void bcm43xx_generate_noise_sample(struct bcm43xx_private *bcm)
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{
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bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x408, 0x7F7F);
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@@ -3517,6 +3534,7 @@ int bcm43xx_select_wireless_core(struct
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bcm43xx_macfilter_clear(bcm, BCM43xx_MACFILTER_ASSOC);
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bcm43xx_macfilter_set(bcm, BCM43xx_MACFILTER_SELF, (u8 *)(bcm->net_dev->dev_addr));
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bcm43xx_security_init(bcm);
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+ drain_txstatus_queue(bcm);
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ieee80211softmac_start(bcm->net_dev);
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/* Let's go! Be careful after enabling the IRQs.
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@ -13,3 +13,4 @@
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+ features/all/sctp-backports-5.patch
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+ features/all/sctp-backports-5.patch
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+ features/all/sctp-backports-6.patch
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+ features/all/sctp-backports-6.patch
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+ features/all/sctp-backports-7.patch
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+ features/all/sctp-backports-7.patch
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+ features/bcm43xx-drain-tx-status-before-starting-irqs.patch
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