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2010-04-19Fix ISDN/Gigaset build failureLinus Torvalds
Commit b91ecb00 ("gigaset: include cleanup cleanup") removed an implicit sched.h inclusion that came in via slab.h, and caused various compile problems as a result. This should fix it. Reported-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-04-19Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: gigaset: include cleanup cleanup packet : remove init_net restriction WAN: flush tx_queue in hdlc_ppp to prevent panic on rmmod hw_driver. ip: Fix ip_dev_loopback_xmit() net: dev_pick_tx() fix fib: suppress lockdep-RCU false positive in FIB trie. tun: orphan an skb on tx forcedeth: fix tx limit2 flag check iwlwifi: work around bogus active chains detection
2010-04-19Merge branch 'drm-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 * 'drm-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6: drm/radeon/kms: add FireMV 2400 PCI ID. drm/radeon/kms: allow R500 regs VAP_ALT_NUM_VERTICES and VAP_INDEX_OFFSET drivers/gpu/radeon: Add MSPOS regs to safe list. drm/radeon/kms: disable the tv encoder when tv/cv is not in use drm/radeon/kms: adjust pll settings for tv drm/radeon/kms: fix tv dac conflict resolver drm/radeon/kms/evergreen: don't enable hdmi audio stuff drm/radeon/kms/atom: fix dual-link DVI on DCE3.2/4.0 drm/radeon/kms: fix rs600 tlb flush drm/radeon/kms: print GPU family and device id when loading drm/radeon/kms: fix calculation of mipmapped 3D texture sizes drm/radeon/kms: only change mode when coherent value changes. drm/radeon/kms: more atom parser fixes (v2)
2010-04-19drm/radeon/kms: allow R500 regs VAP_ALT_NUM_VERTICES and VAP_INDEX_OFFSETMarek Olšák
[airlied: fix V_A_N_V to not be safe and fix check to make sure only r500 - bump userspace version] Signed-off-by: Marek Olšák <maraeo@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drivers/gpu/radeon: Add MSPOS regs to safe list.Corbin Simpson
Permits MSAA and D3D-style rasterization. [airlied: add rs600] Signed-off-by: Corbin Simpson <MostAwesomeDude@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drm/radeon/kms: disable the tv encoder when tv/cv is not in useAlex Deucher
Switching between TV and VGA caused VGA to break on some systems since the TV encoder was left enabled when VGA was used. fixes fdo bug 25520. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drm/radeon/kms: adjust pll settings for tvAlex Deucher
May fix fdo bug 26582. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drm/radeon/kms: fix tv dac conflict resolverAlex Deucher
On systems with the tv dac shared between DVI and TV, we can only use the dac for one of the connectors. However, when using a digital monitor on the DVI port, you can use the dac for the TV connector just fine. Check the use_digital status when resolving the conflict. Fixes fdo bug 27649, possibly others. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Cc: stable <stable@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drm/radeon/kms/evergreen: don't enable hdmi audio stuffAlex Deucher
Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drm/radeon/kms/atom: fix dual-link DVI on DCE3.2/4.0Alex Deucher
Got broken during the evergreen merge. Fixes fdo bug 27001. Signed-off-by: Alex Deucher <alexdeucher@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drm/radeon/kms: fix rs600 tlb flushJerome Glisse
Typo in in flush leaded to no flush of the RS600 tlb which ultimately leaded to massive system ram corruption, with this patch everythings seems to work properly. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Cc: stable <stable@kernel.org> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-19drm/radeon/kms: print GPU family and device id when loadingJerome Glisse
This will help figuring out GPU when looking at bugs log. Signed-off-by: Jerome Glisse <jglisse@redhat.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-18gigaset: include cleanup cleanupTilman Schmidt
Commit 5a0e3ad causes slab.h to be included twice in many of the Gigaset driver's source files, first via the common include file gigaset.h and then a second time directly. Drop the spares, and use the opportunity to clean up a few more similar cases. Impact: cleanup, no functional change Signed-off-by: Tilman Schmidt <tilman@imap.cc> CC: Tejun Heo <tj@kernel.org> Acked-by: Tejun Heo <tj@kernel.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-17Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/anholt/drm-intel: drm/i915: Ignore LVDS EDID when it is unavailabe or invalid drm/i915: Add no_lvds entry for the Clientron U800 drm/i915: Rename many remaining uses of "output" to encoder or connector. drm/i915: Rename intel_output to intel_encoder. agp/intel: intel_845_driver is an agp driver! drm/i915: introduce to_intel_bo helper drm/i915: Disable FBC on 915GM and 945GM.
2010-04-17Merge branch 'release' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6 * 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6: ACPI: EC: Limit burst to 64 bits
2010-04-16WAN: flush tx_queue in hdlc_ppp to prevent panic on rmmod hw_driver.Krzysztof Halasa
tx_queue is used as a temporary queue when not allowed to queue skb directly to the hw device driver (which may sleep). Most paths flush it before returning, but ppp_start() currently cannot. Make sure we don't leave skbs pointing to a non-existent device. Thanks to Michael Barkowski for reporting this problem. Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-16Merge branch 'bugzilla-15749' into releaseLen Brown
2010-04-16ACPI: EC: Limit burst to 64 bitsAlexey Starikovskiy
access_bit_width field is u8 in ACPICA, thus 256 value written to it becomes 0, causing divide by zero later. Proper fix would be to remove access_bit_width at all, just because we already have access_byte_width, which is access_bit_width / 8. Limit access width to 64 bit for now. https://bugzilla.kernel.org/show_bug.cgi?id=15749 fixes regression caused by the fix for: https://bugzilla.kernel.org/show_bug.cgi?id=14667 Signed-off-by: Alexey Starikovskiy <astarikovskiy@suse.de> Signed-off-by: Len Brown <len.brown@intel.com>
2010-04-16[WATCHDOG] max63xx driver depends on ioremap()Geert Uytterhoeven
Correct fix for the "ioremap() causes build failure on S390" should have been a dependancy on HAS_IOMEM. So we add this dependancy also (and leave the driver in the ARM section for now). Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-16[WATCHDOG] max63xx: be careful when disabling the watchdogMarc Zyngier
When shutting down the watchdog timer, special care must be taken not to overwrite other bits in the register, as it may be shared with other peripherals. For example, on the Arcom Vulcan, the register is shared between the watchdog and the PCI reset line... Signed-off-by: Marc Zyngier <maz@misterjones.org> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-16[WATCHDOG] fixed book E watchdog period register mask.Luuk Paulussen
A previous fix changed the WDTP function to use the period directly, rather than subtracting from 63. However the mask generation was not changed, so the mask was coming out as 0. This patch fixes it. Signed-off-by: Luuk Paulussen <luuk.paulussen@alliedtelesis.co.nz> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-16[WATCHDOG] omap4: Fix WDT KconfigSantosh Shilimkar
This patch allows Watchdog timer to be selected for OMAP4 by fixing Kconfig entry Signed-off-by: Santosh Shilimkar <santosh.shilimkar@ti.com> Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
2010-04-15Merge branch 'master' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
2010-04-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: cdev: change license of exported header files to MIT license firewire: cdev: comment fixlet firewire: cdev: iso packet documentation firewire: cdev: fix information leak firewire: cdev: require quadlet-aligned headers for transmit packets firewire: cdev: disallow receive packets without header
2010-04-15Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: wacom - switch mode upon system resume Revert "Input: wacom - merge out and in prox events" Input: matrix_keypad - allow platform to disable key autorepeat Input: ALPS - add signature for HP Pavilion dm3 laptops Input: i8042 - spelling fix Input: sparse-keymap - implement safer freeing of the keymap Input: update the status of the Multitouch X driver project Input: clarify the no-finger event in multitouch protocol Input: bcm5974 - retract efi-broken suspend_resume Input: sparse-keymap - free the right keymap on error
2010-04-15Input: wacom - switch mode upon system resumePing Cheng
When Wacom devices wake up from a sleep, the switch mode command (wacom_query_tablet_data) is needed before wacom_open is called. wacom_query_tablet_data should not be executed inside wacom_open since wacom_open is called more than once during probe. wacom_retrieve_hid_descriptor is removed from wacom_resume due to the fact that the required descriptors are stored properly upon system resume. Reported-and-tested-by: Anton Anikin <Anton@Anikin.name> Signed-off-by: Ping Cheng <pingc@wacom.com> Cc: stable@kernel.org Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2010-04-14Merge branch 'hwmon-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging * 'hwmon-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging: hwmon: (applesmc) Switch maintainers hwmon: (applesmc) Add iMac9,1 and MacBookPro2,2 support hwmon: (it87) Invalidate cache on temperature sensor change hwmon: (it87) Properly handle wrong sensor type requests hwmon: (it87) Don't arbitrarily enable temperature channels hwmon: (sht15) Properly handle the case CONFIG_REGULATOR=n hwmon: (sht15) Fix sht15_calc_temp interpolation function
2010-04-14hwmon: (applesmc) Add iMac9,1 and MacBookPro2,2 supportJustin P. Mattock
Add the iMac9,1 and the MacBookPro2,2 temperature sensors to hwmon driver applesmc to fix kernel bug #14429: https://bugzilla.kernel.org/show_bug.cgi?id=14429 Signed-off-by: Justin P. Mattock <justinmattock@gmail.com> Acked-by: Nicolas Boichat <nicolas@boichat.ch> Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14hwmon: (it87) Invalidate cache on temperature sensor changeJean Delvare
When any temperature sensor type is changed, the corresponding temperature value needs to be updated. The register caching mechanism may delay this update, so we want to invalidate the cache to force an immediate update. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14hwmon: (it87) Properly handle wrong sensor type requestsJean Delvare
Currently, if someone tries to set the thermal sensor type to an unsupported value, subsequent accesses to the chip may temporarily show the sensor in question as disabled. Use a temporary variable and only update the cached value on success, to prevent such confusion. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14hwmon: (it87) Don't arbitrarily enable temperature channelsJean Delvare
Temperature channels can be used in 2 different modes (thermistor and thermal diode) and we don't know which one, if any, is correct for every given board. So don't arbitrarily choose one. Instead, leave the temperature channels untouched. They can be configured from user-space if needed anyway. Signed-off-by: Jean Delvare <khali@linux-fr.org>
2010-04-14hwmon: (sht15) Properly handle the case CONFIG_REGULATOR=nJean Delvare
When CONFIG_REGULATOR isn't set, regulator_get_voltage() returns 0. Properly handle this case by not trusting the value. Reported-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com> Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Cc: stable@kernel.org
2010-04-14hwmon: (sht15) Fix sht15_calc_temp interpolation functionJerome Oufella
I discovered two issues. First the previous sht15_calc_temp() loop did not iterate through the temppoints array since the (data->supply_uV > temppoints[i - 1].vdd) test is always true in this direction. Also the two-points linear interpolation function was returning biased values due to a stray division by 1000 which shouldn't be there. [JD: Also change the default value for d1 from 0 to something saner.] Signed-off-by: Jerome Oufella <jerome.oufella@savoirfairelinux.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Jean Delvare <khali@linux-fr.org> Cc: stable@kernel.org
2010-04-14lguest: stop using KVM hypercall mechanismRusty Russell
This is a partial revert of 4cd8b5e2a159 "lguest: use KVM hypercalls"; we revert to using (just as questionable but more reliable) int $15 for hypercalls. I didn't revert the register mapping, so we still use the same calling convention as kvm. KVM in more recent incarnations stopped injecting a fault when a guest tried to use the VMCALL instruction from ring 1, so lguest under kvm fails to make hypercalls. It was nice to share code with our KVM cousins, but this was overreach. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Matias Zabaljauregui <zabaljauregui@gmail.com> Cc: Avi Kivity <avi@redhat.com>
2010-04-14lguest: workaround cmpxchg8b_emu by ignoring cli in the guest.Rusty Russell
It's only used by cmpxchg8b_emu (see db677ffa5f5a for the gory details), and fixing that to be paravirt aware would be more work than simply ignoring it (and AFAICT only help lguest). This makes lguest work on machines which have cmpxchg8b, for kernels compiled for older processors. (We can't emulate it properly: the popf which expects to restore interrupts does not trap). Signed-off-by: Rusty Russell <rusty@rustcorp.com.au> Cc: Jeremy Fitzhardinge <jeremy@xensource.com> Cc: virtualization@lists.osdl.org
2010-04-14tun: orphan an skb on txMichael S. Tsirkin
The following situation was observed in the field: tap1 sends packets, tap2 does not consume them, as a result tap1 can not be closed. This happens because tun/tap devices can hang on to skbs undefinitely. As noted by Herbert, possible solutions include a timeout followed by a copy/change of ownership of the skb, or always copying/changing ownership if we're going into a hostile device. This patch implements the second approach. Note: one issue still remaining is that since skbs keep reference to tun socket and tun socket has a reference to tun device, we won't flush backlog, instead simply waiting for all skbs to get transmitted. At least this is not user-triggerable, and this was not reported in practice, my assumption is other devices besides tap complete an skb within finite time after it has been queued. A possible solution for the second issue would not to have socket reference the device, instead, implement dev->destructor for tun, and wait for all skbs to complete there, but this needs some thought, probably too risky for 2.6.34. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Tested-by: Yan Vugenfirer <yvugenfi@redhat.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13Revert "Input: wacom - merge out and in prox events"Dmitry Torokhov
This reverts commit 776943fd6f104a6e8457dc95a17282e69e963666 as it causes issues with ISDv4 E3 touchscreens: https://bugzilla.kernel.org/show_bug.cgi?id=15670 Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
2010-04-13forcedeth: fix tx limit2 flag checkAyaz Abdulla
This is a fix for bug 572201 @ bugs.debian.org This patch fixes the TX_LIMIT feature flag. The previous logic check for TX_LIMIT2 also took into account a device that only had TX_LIMIT set. Reported-by: Stephen Mulcahu <stephen.mulcahy@deri.org> Reported-by: Ben Huchings <ben@decadent.org.uk> Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (25 commits) smc91c92_cs: define multicast_table as unsigned char can: avoids a false warning e1000e: stop cleaning when we reach tx_ring->next_to_use igb: restrict WoL for 82576 ET2 Quad Port Server Adapter virtio_net: missing sg_init_table Revert "tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb" iwlwifi: need check for valid qos packet before free tcp: Set CHECKSUM_UNNECESSARY in tcp_init_nondata_skb udp: fix for unicast RX path optimization myri10ge: fix rx_pause in myri10ge_set_pauseparam net: corrected documentation for hardware time stamping stmmac: use resource_size() x.25 attempts to negotiate invalid throughput x25: Patch to fix bug 15678 - x25 accesses fields beyond end of packet. bridge: Fix IGMP3 report parsing cnic: Fix crash during bnx2x MTU change. qlcnic: fix set mac addr r6040: fix r6040_multicast_list vhost-net: fix vq_memory_access_ok error checking ath9k: fix double calls to ath_radio_enable ...
2010-04-13smc91c92_cs: define multicast_table as unsigned charKen Kawasaki
smc91c92_cs: * define multicast_table as unsigned char * remove unnecessary "#ifndef final_version" Signed-off-by: Ken Kawasaki <ken_kawasaki@spring.nifty.jp> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13e1000e: stop cleaning when we reach tx_ring->next_to_useTerry Loftin
Tx ring buffers after tx_ring->next_to_use are volatile and could change, possibly causing a crash. Stop cleaning when we hit tx_ring->next_to_use. Signed-off-by: Terry Loftin <terry.loftin@hp.com> Acked-by: Bruce Allan <bruce.w.allan@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-13igb: restrict WoL for 82576 ET2 Quad Port Server AdapterStefan Assmann
Restrict Wake-on-LAN to first port on 82576 ET2 quad port NICs, as it is only supported there. Signed-off-by: Stefan Assmann <sassmann@redhat.com> Acked-by: Alexander Duyck <alexander.h.duyck@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-12virtio_net: missing sg_init_tableShirley Ma
Add missing sg_init_table for sg_set_buf in virtio_net which induced in defer skb patch. Reported-by: Thomas Müller <thomas@mathtm.de> Tested-by: Thomas Müller <thomas@mathtm.de> Signed-off-by: Shirley Ma <xma@us.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2010-04-12MIPS: Fix SSB PCIcore IO resource managementAndreas Ferber
The SSB PCIcore code reused the IO resource fixup code from the original 2.4.x Broadcom patch for BCM47xx based devices, which was a quick hack for doing PCI IO resource configuration back then (the boot loader doesn't configure PCI devices on this platform). However, this code is no longer necessary since the kernel now can do PCI resource management fine all by itself, so remove the old code. When removing the code, it becomes obvious that the mem_offset setting in the PCIcore driver was wrong, however this was masked by the fixup code before, except in a few cases involving yenta_socket. For BCM47xx, the correct offset is 0, and since this is the only device using PCIcore in host mode, the offset can simply be removed unconditionally. Signed-off-by: Andreas Ferber <af@chaos-agency.de> Signed-off-by: Michael Buesch <mb@bu3sch.de> Cc: Markus Wigge <markus@cultcom.de> Cc: linux-mips@linux-mips.org Patchwork: http://patchwork.linux-mips.org/patch/1070/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2010-04-12drm/radeon/kms: fix calculation of mipmapped 3D texture sizesMarek Olšák
The 3rd dimension should be minified too. Signed-off-by: Marek Olšák <maraeo@gmail.com> Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-12drm/radeon/kms: only change mode when coherent value changes.Dave Airlie
On X startup we were getting a flicker where there shouldn't have been one. the X DDX calls the kernel to set the properties to the same values (yes it could be smarter), however the kernel was doing a pointless modeset then, making my nice smooth boot ugly. Signed-off-by: Dave Airlie <airlied@redhat.com>
2010-04-11Merge branch 'master' of /home/davem/src/GIT/linux-2.6/David S. Miller
2010-04-10firewire: cdev: fix information leakStefan Richter
A userspace client got to see uninitialized stack-allocated memory if it specified an _IOC_READ type of ioctl and an argument size larger than expected by firewire-core's ioctl handlers (but not larger than the core's union ioctl_arg). Fix this by clearing the requested buffer size to zero, but only at _IOR ioctls. This way, there is almost no runtime penalty to legitimate ioctls. The only legitimate _IOR is FW_CDEV_IOC_GET_CYCLE_TIMER with 12 or 16 bytes to memset. [Another way to fix this would be strict checking of argument size (and possibly direction) vs. command number. However, we then need a lookup table, and we need to allow for slight size deviations in case of 32bit userland on 64bit kernel.] Reported-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2010-04-10firewire: cdev: require quadlet-aligned headers for transmit packetsClemens Ladisch
The definition of struct fw_cdev_iso_packet seems to imply that the header_length must be quadlet-aligned, and in fact, specifying an unaligned header has never really worked when using multiple packet structures, because the position of the next control word is computed by rounding the header_length _down_, so the last one to three bytes of the header would overlap the next control word. To avoid this problem, check that the header length is properly aligned. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2010-04-10firewire: cdev: disallow receive packets without headerClemens Ladisch
In receive contexts, reject packets with header_length==0. This would be an instruction to queue zero packets which would not make sense. This prevents a division by zero in the OHCI driver. Signed-off-by: Clemens Ladisch <clemens@ladisch.de> Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
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