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2014-02-05ACPI / hotplug: Fix panic on eject to ejected deviceToshi Kani
When an eject request is sent to an ejected ACPI device, the following panic occurs: ACPI: \_SB_.SCK3.CPU3: ACPI_NOTIFY_EJECT_REQUEST event BUG: unable to handle kernel NULL pointer dereference at 0000000000000070 IP: [<ffffffff813a7cfe>] acpi_device_hotplug+0x10b/0x33b : Call Trace: [<ffffffff813a24da>] acpi_hotplug_work_fn+0x1c/0x27 [<ffffffff8109cbe5>] process_one_work+0x175/0x430 [<ffffffff8109d7db>] worker_thread+0x11b/0x3a0 This is becase device->handler is NULL in acpi_device_hotplug(). This case was used to fail in acpi_hotplug_notify_cb() as the target had no acpi_deivce. However, acpi_device now exists after ejection. Added a check to verify if acpi_device->handler is valid for an eject request in acpi_hotplug_notify_cb(). Note that handler passed from an argument is still valid while acpi_device->handler is NULL. Fixes: 202317a573b2 (ACPI / scan: Add acpi_device objects for all device nodes in the namespace) Signed-off-by: Toshi Kani <toshi.kani@hp.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-02-05arm64: simplify pgd_allocMark Rutland
Currently pgd_alloc has a redundant NULL check in its return path that can be removed with no ill effects. With that removed it's also possible to return early and eliminate the new_pgd temporary variable. This patch applies said modifications, making the logic of pgd_alloc correspond 1-1 with that of pgd_free. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-02-05arm64: fix typo: s/SERRROR/SERROR/Mark Rutland
Somehow SERROR has acquired an additional 'R' in a couple of headers. This patch removes them before they spread further. As neither instance is in use yet, no other sites need to be fixed up. Signed-off-by: Mark Rutland <mark.rutland@arm.com> Acked-by: Marc Zyngier <marc.zyngier@arm.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-02-05arm64: Invalidate the TLB when replacing pmd entries during bootCatalin Marinas
With the 64K page size configuration, __create_page_tables in head.S maps enough memory to get started but using 64K pages rather than 512M sections with a single pgd/pud/pmd entry pointing to a pte table. create_mapping() may override the pgd/pud/pmd table entry with a block (section) one if the RAM size is more than 512MB and aligned correctly. For the end of this block to be accessible, the old TLB entry must be invalidated. Cc: <stable@vger.kernel.org> Reported-by: Mark Salter <msalter@redhat.com> Tested-by: Mark Salter <msalter@redhat.com> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-02-05arm64: Align CMA sizes to PAGE_SIZELaura Abbott
dma_alloc_from_contiguous takes number of pages for a size. Align up the dma size passed in to page size to avoid truncation and allocation failures on sizes less than PAGE_SIZE. Cc: Will Deacon <will.deacon@arm.com> Signed-off-by: Laura Abbott <lauraa@codeaurora.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-02-05arm64: add DSB after icache flush in __flush_icache_all()Vinayak Kale
Add DSB after icache flush to complete the cache maintenance operation. The function __flush_icache_all() is used only for user space mappings and an ISB is not required because of an exception return before executing user instructions. An exception return would behave like an ISB. Signed-off-by: Vinayak Kale <vkale@apm.com> Acked-by: Will Deacon <will.deacon@arm.com> Cc: <stable@vger.kernel.org> Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
2014-02-05gpio: tb10x: GPIO_TB10X needs to select GENERIC_IRQ_CHIPAxel Lin
gpio-tb10x driver uses generic irq chip APIs (irq_alloc_domain_generic_chips, irq_remove_generic_chip), so it needs to select GENERIC_IRQ_CHIP to avoid build error. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-05gpio: clps711x: Add module alias to support module auto loadingAxel Lin
commit 55fe14ab872a "GPIO: clps711x: Rewrite driver for using generic GPIO code" allows this driver to be built as a module. Thus add module alias to support module auto loading. Signed-off-by: Axel Lin <axel.lin@ingics.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-05s390: fix kernel crash due to linkage stack instructionsMartin Schwidefsky
The kernel currently crashes with a low-address-protection exception if a user space process executes an instruction that tries to use the linkage stack. Set the base-ASTE origin and the subspace-ASTE origin of the dispatchable-unit-control-table to point to a dummy ASTE. Set up control register 15 to point to an empty linkage stack with no room left. A user space process with a linkage stack instruction will still crash but with a different exception which is correctly translated to a segmentation fault instead of a kernel oops. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2014-02-05gpio: bcm281xx: Update MODULE_AUTHORMarkus Mayer
Add Broadcom's upstreaming mailing list address to MODULE_AUTHOR. Signed-off-by: Markus Mayer <markus.mayer@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-05gpio: intel-mid: fix the incorrect return of idle callbackxinhui.pan
intel_gpio_runtime_idle should return correct error code if it do fail. make it more correct even though -EBUSY is the most possible return value. Signed-off-by: bo.he <bo.he@intel.com> Signed-off-by: xinhui.pan <xinhuiX.pan@intel.com> Signed-off-by: David Cohen <david.a.cohen@linux.intel.com> Reviewed-by: Felipe Balbi <balbi@ti.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2014-02-05genirq: Generic irq chip requires IRQ_DOMAINNitin A Kamble
The generic_chip.c uses interfaces from irq_domain.c which is controlled by the IRQ_DOMAIN config option, but there is no Kconfig dependency so the build can fail: linux/kernel/irq/generic-chip.c:400:11: error: 'irq_domain_xlate_onetwocell' undeclared here (not in a function) Select IRQ_DOMAIN when GENERIC_IRQ_CHIP is selected. Signed-off-by: Nitin A Kamble <nitin.a.kamble@intel.com> Link: http://lkml.kernel.org/r/1391129410-54548-2-git-send-email-nitin.a.kamble@intel.com Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: stable@vger.kernel.org # 3.11+
2014-02-05drm/ttm: Fix TTM object open regressionThomas Hellstrom
Commit drm/ttm: ttm object security fixes for render nodes introduced a regression where, if a TTM object was opened multiple times from the same open file, the caller would spin uninterruptibly in the kernel. Fix this. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05vmwgfx: Fix unitialized stack read in vmw_setup_otable_baseDave Jones
One of the error paths in vmw_setup_otable_base causes us to return with 'ret' having never been set to anything causing us to return whatever was on the stack. Found with Coverity Signed-off-by: Dave Jones <davej@fedoraproject.org> Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
2014-02-05ALSA: hda - Improve loopback path lookups for AD1983Takashi Iwai
AD1983 has flexible loopback routes and the generic parser would take wrong path confusingly instead of taking individual paths via NID 0x0c and 0x0d. For avoiding it, limit the connections at these widgets so that the parser can think more straightforwardly. This fixes the regression of the missing line-in loopback on Dell machine. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70011 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-05drm/vmwgfx: Reemit context bindings when necessary v2Thomas Hellstrom
When a context is first referenced in the command stream, make sure that all scrubbed (as a result of eviction) bindings are re-emitted. Also make sure that all bound resources are put on the resource validate list. This is needed for legacy emulation, since legacy user-space drivers will typically not re-emit shader bindings. It also removes the requirement for user-space drivers to re-emit render-target- and texture bindings. Makes suspend and hibernate now also work with legacy user-space drivers on guest-backed devices. v2: Don't rebind on legacy devices. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05drm/vmwgfx: Detect old user-space drivers and set up legacy emulation v2Thomas Hellstrom
GB aware mesa userspace drivers are detected by the fact that they are calling the vmw getparam ioctl querying DRM_VMW_PARAM_HW_CAPS to detect whether the device is Guest-backed object capable. For other drivers, lie about hardware version and send the 3D capabilities in a format they expect. v2: Use DRM_VMW_PARAM_MAX_MOB_MEMORY to detect gb awareness, Make sure we don't ovwerwrite bounce buffer or write past user-space buffer indicated size. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05drm/vmwgfx: Emulate legacy shaders on guest-backed devices v2Thomas Hellstrom
Command stream legacy shader creation and destruction is replaced by NOPs in the command stream, and instead guest-backed shaders are created and destroyed as part of the command validation process. v2: Removed some stray debug messages. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05drm/vmwgfx: Fix legacy surface reference size copybackThomas Hellstrom
Surfaces created using the guest-backed surface interface only keeps the base mip size, so only copy that if the legacy surface reference ioctl requests the size information. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05drm/vmwgfx: Fix SET_SHADER_CONST emulation on guest-backed devicesThomas Hellstrom
Emulate the SET_SHADER_CONST legacy command on guest-backed devices by issuing a SET_GB_SHADERCONSTS_INLINE command. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05drm/vmwgfx: Fix regression caused by "drm/ttm: make ttm reservation calls ↵Thomas Hellstrom
behave like reservation calls" The call to ttm_eu_backoff_reservation() as part of an error path would cause a lock imbalance if the reservation ticket was not initialized. This error is easily triggered from user-space by submitting a bogus command stream. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com> Cc: stable@vger.kernel.org Cc: Maarten Lankhorst <maarten.lankhorst@canonical.com> Cc: Jerome Glisse <jglisse@redhat.com> Cc: Dave Airlie <airlied@redhat.com>
2014-02-05drm/vmwgfx: Don't commit staged bindings if execbuf failsThomas Hellstrom
If execbuf fails and binding commands are never sent to the device, don't commit the staged context bindings to the tracker. Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com> Reviewed-by: Jakob Bornecrantz <jakob@vmware.com>
2014-02-05ALSA: hda - Fix missing VREF setup for Mac Pro 1,1Takashi Iwai
Mac Pro 1,1 with ALC889A codec needs the VREF setup on NID 0x18 to VREF50, in order to make the speaker working. The same fixup was already needed for MacBook Air 1,1, so we can reuse it. Reported-by: Nicolai Beuermann <mail@nico-beuermann.de> Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-04openvswitch: Suppress error messages on megaflow updatesAndy Zhou
With subfacets, we'd expect megaflow updates message to carry the original micro flow. If not, EINVAL is returned and kernel logs an error message. Now that the user space subfacet layer is removed, it is expected that flow updates can arrive with a micro flow other than the original. Change the return code to EEXIST and remove the kernel error log message. Reported-by: Ben Pfaff <blp@nicira.com> Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
2014-02-05ALSA: hda - Add missing mixer widget for AD1983Takashi Iwai
The mixer widget on AD1983 at NID 0x0e was missing in the commit [f2f8be43c5c9: ALSA: hda - Add aamix NID to AD codecs]. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70011 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-04openvswitch: Fix ovs_flow_free() ovs-lock assert.Pravin B Shelar
ovs_flow_free() is not called under ovs-lock during packet execute path (ovs_packet_cmd_execute()). Since packet execute does not touch flow->mask, there is no need to take that lock either. So move assert in case where flow->mask is checked. Found by code inspection. Signed-off-by: Pravin B Shelar <pshelar@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
2014-02-04openvswitch: Fix ovs_dp_cmd_msg_size()Daniele Di Proietto
commit 43d4be9cb55f3bac5253e9289996fd9d735531db (openvswitch: Allow user space to announce ability to accept unaligned Netlink messages) introduced OVS_DP_ATTR_USER_FEATURES netlink attribute in datapath responses, but the attribute size was not taken into account in ovs_dp_cmd_msg_size(). Signed-off-by: Daniele Di Proietto <daniele.di.proietto@gmail.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
2014-02-04openvswitch: Fix kernel panic on ovs_flow_freeAndy Zhou
Both mega flow mask's reference counter and per flow table mask list should only be accessed when holding ovs_mutex() lock. However this is not true with ovs_flow_table_flush(). The patch fixes this bug. Reported-by: Joe Stringer <joestringer@nicira.com> Signed-off-by: Andy Zhou <azhou@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
2014-02-04openvswitch: Pad OVS_PACKET_ATTR_PACKET if linear copy was performedThomas Graf
While the zerocopy method is correctly omitted if user space does not support unaligned Netlink messages. The attribute is still not padded correctly as skb_zerocopy() will not ensure padding and the attribute size is no longer pre calculated though nla_reserve() which ensured padding previously. This patch applies appropriate padding if a linear data copy was performed in skb_zerocopy(). Signed-off-by: Thomas Graf <tgraf@suug.ch> Acked-by: Zoltan Kiss <zoltan.kiss@citrix.com> Signed-off-by: Jesse Gross <jesse@nicira.com>
2014-02-05ALSA: hda/realtek - Avoid invalid COEFs for ALC271XTakashi Iwai
We've seen often problems after suspend/resume on Acer Aspire One AO725 with ALC271X codec as reported in kernel bugzilla, and it turned out that some COEFs doesn't work and triggers the codec communication stall. Since these magic COEF setups are specific to ALC269VB for some PLL configurations, the machine works even without these manual adjustment. So, let's simply avoid applying them for ALC271X. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=52181 Cc: <stable@vger.kernel.org> Signed-off-by: Takashi Iwai <tiwai@suse.de>
2014-02-05ata: sata_mv: Fix probe failures with optional physAndrew Lunn
Make use of devm_phy_optional_get() in order to fix probe failures on Armada 370, XP and others, when there is no phy driver available. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Acked-by: Tejun Heo <tj@kernel.org> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-05drivers: phy: Add support for optional physAndrew Lunn
Add devm_phy_optional_get and phy_optional_get, which should be used when the phy is optional. They does not return an error when the phy does not exist, rather they returns NULL, which is considered as a valid phy, but results in NOPs when used with the consumer API. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-05drivers: phy: Make NULL a valid phy referenceAndrew Lunn
The common clock framework considers NULL a valid clock reference. This makes handling optional clocks simple, in that if the optional clock is not available, a NULL reference can be used in the place of a real clock, simplifying the clock consumer. Extend this concept to the phy consumer API. A NULL can be passed to the release calls, the phy_init() and phy_exit() calls, and phy_power_on() and phy_power_off() and a NOP is performed. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Tested-by: Gregory CLEMENT <gregory.clement@free-electrons.com> Acked-by: Kishon Vijay Abraham I <kishon@ti.com> Signed-off-by: Jason Cooper <jason@lakedaemon.net>
2014-02-04xen-netfront: handle backend CLOSED without CLOSINGDavid Vrabel
Backend drivers shouldn't transistion to CLOSED unless the frontend is CLOSED. If a backend does transition to CLOSED too soon then the frontend may not see the CLOSING state and will not properly shutdown. So, treat an unexpected backend CLOSED state the same as CLOSING. Signed-off-by: David Vrabel <david.vrabel@citrix.com> Acked-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04bnx2x: fix L2-GRE TCP issuesDmitry Kravkov
When configuring GRE tunnel using OVS, tcp stream is distributed over all RSS queues which may cause TCP reordering. It happens since OVS uses L2GRE protocol when kernel gre uses IPGRE. Patch defaults gre tunnel to L2GRE which allows proper RSS for L2GRE packets and (implicitly) disables RSS for IPGRE traffic. Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com> Signed-off-by: Ariel Elior <ariele@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net: qmi_wwan: add Netgear Aircard 340UBjørn Mork
This device was mentioned in an OpenWRT forum. Seems to have a "standard" Sierra Wireless ifnumber to function layout: 0: qcdm 2: nmea 3: modem 8: qmi 9: storage Signed-off-by: Bjørn Mork <bjorn@mork.no> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-05drm/mgag200: fix typo causing bw limits to be ignored on some chipsDave Airlie
mode->mdev otherwise the bw limits never kick in. Reported in RHEL testing. Cc: stable@vger.kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-02-04rtnetlink: fix oops in rtnl_link_get_slave_info_data_sizeFernando Luis Vazquez Cao
We should check whether rtnetlink link operations are defined before calling get_slave_size(). Without this, the following oops can occur when adding a tap device to OVS. [ 87.839553] BUG: unable to handle kernel NULL pointer dereference at 00000000000000a8 [ 87.839595] IP: [<ffffffff813d47c0>] if_nlmsg_size+0xf0/0x220 [...] [ 87.840651] Call Trace: [ 87.840664] [<ffffffff813d694b>] ? rtmsg_ifinfo+0x2b/0x100 [ 87.840688] [<ffffffff813c8340>] ? __netdev_adjacent_dev_insert+0x150/0x1a0 [ 87.840718] [<ffffffff813d6a50>] ? rtnetlink_event+0x30/0x40 [ 87.840742] [<ffffffff814b4144>] ? notifier_call_chain+0x44/0x70 [ 87.840768] [<ffffffff813c8946>] ? __netdev_upper_dev_link+0x3c6/0x3f0 [ 87.840798] [<ffffffffa0678d6c>] ? netdev_create+0xcc/0x160 [openvswitch] [ 87.840828] [<ffffffffa06781ea>] ? ovs_vport_add+0x4a/0xd0 [openvswitch] [ 87.840857] [<ffffffffa0670139>] ? new_vport+0x9/0x50 [openvswitch] [ 87.840884] [<ffffffffa067279e>] ? ovs_vport_cmd_new+0x11e/0x210 [openvswitch] [ 87.840915] [<ffffffff813f3efa>] ? genl_family_rcv_msg+0x19a/0x360 [ 87.840941] [<ffffffff813f40c0>] ? genl_family_rcv_msg+0x360/0x360 [ 87.840967] [<ffffffff813f4139>] ? genl_rcv_msg+0x79/0xc0 [ 87.840991] [<ffffffff813b6cf9>] ? __kmalloc_reserve.isra.25+0x29/0x80 [ 87.841018] [<ffffffff813f2389>] ? netlink_rcv_skb+0xa9/0xc0 [ 87.841042] [<ffffffff813f27cf>] ? genl_rcv+0x1f/0x30 [ 87.841064] [<ffffffff813f1988>] ? netlink_unicast+0xe8/0x1e0 [ 87.841088] [<ffffffff813f1d9a>] ? netlink_sendmsg+0x31a/0x750 [ 87.841113] [<ffffffff813aee96>] ? sock_sendmsg+0x86/0xc0 [ 87.841136] [<ffffffff813c960d>] ? __netdev_update_features+0x4d/0x200 [ 87.841163] [<ffffffff813ca94e>] ? ethtool_get_value+0x2e/0x50 [ 87.841188] [<ffffffff813af269>] ? ___sys_sendmsg+0x359/0x370 [ 87.841212] [<ffffffff813da686>] ? dev_ioctl+0x1a6/0x5c0 [ 87.841236] [<ffffffff8109c210>] ? autoremove_wake_function+0x30/0x30 [ 87.841264] [<ffffffff813ac59d>] ? sock_do_ioctl+0x3d/0x50 [ 87.841288] [<ffffffff813aca68>] ? sock_ioctl+0x1e8/0x2c0 [ 87.841312] [<ffffffff811934bf>] ? do_vfs_ioctl+0x2cf/0x4b0 [ 87.841335] [<ffffffff813afeb9>] ? __sys_sendmsg+0x39/0x70 [ 87.841362] [<ffffffff814b86f9>] ? system_call_fastpath+0x16/0x1b [ 87.841386] Code: c0 74 10 48 89 ef ff d0 83 c0 07 83 e0 fc 48 98 49 01 c7 48 89 ef e8 d0 d6 fe ff 48 85 c0 0f 84 df 00 00 00 48 8b 90 08 07 00 00 <48> 8b 8a a8 00 00 00 31 d2 48 85 c9 74 0c 48 89 ee 48 89 c7 ff [ 87.841529] RIP [<ffffffff813d47c0>] if_nlmsg_size+0xf0/0x220 [ 87.841555] RSP <ffff880221aa5950> [ 87.841569] CR2: 00000000000000a8 [ 87.851442] ---[ end trace e42ab217691b4fc2 ]--- Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp> Acked-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04ptp: Allow selecting trigger/event index in testptpStefan Sørensen
Currently the trigger/event is hardcoded to 0, this patch adds a new command line argument -i to select an arbitrary trigger/ event. Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net: ethoc: set up MII management bus clockMax Filippov
MII management bus clock is derived from the MAC clock by dividing it by MIIMODER register CLKDIV field value. This value may need to be set up in case it is undefined or its default value is too high (and communication with PHY is too slow) or too low (and communication with PHY is impossible). The value of CLKDIV is not specified directly, but is derived from the MAC clock for the default MII management bus frequency of 2.5MHz. The MAC clock may be specified in the platform data, or in the 'clocks' device tree attribute. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net: ethoc: don't advertise gigabit speed on attached PHYMax Filippov
OpenCores 10/100 Mbps MAC does not support speeds above 100 Mbps, but does not disable advertisement when PHY supports them. This results in non-functioning network when the MAC is connected to a gigabit PHY connected to a gigabit switch. The fix is to disable gigabit speed advertisement on attached PHY unconditionally. Signed-off-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net: phy: ensure Gigabit features are masked off if requestedFlorian Fainelli
When a Gigabit PHY device is connected to a 10/100Mbits capable Ethernet MAC, the driver will restrict the phydev->supported modes to mask off Gigabit. If the Gigabit PHY comes out of reset with the Gigabit features set by default in MII_CTRL1000, it will keep advertising these feature, so by the time we call genphy_config_advert(), the condition on phydev->supported having the Gigabit features on is false, and we do not update MII_CTRL1000 with updated values, and we keep advertising Gigabit features, eventually configuring the PHY for Gigabit whilst the Ethernet MAC does not support that. This patches fixes the problem by ensuring that the Gigabit feature bits are always cleared in MII_CTRL1000, if the PHY happens to be a Gigabit PHY, and then, if Gigabit features are supported, setting those and updating MII_CTRL1000 accordingly. Reported-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Tested-by: Max Filippov <jcmvbkbc@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net:phy:dp83640: Initialize PTP clocks at device init.Stefan Sørensen
The trigger and events functionality can be useful even if packet timestamping is not used, but the required PTP clock is only enabled when packet timestamping is started. This patch moves the clock enable to when the interface is configured. Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net:phy:dp83640: Do not hardcode timestamping event edgeStefan Sørensen
Currently the external timestamping code is hardcoded to use the rising edge even though the hardware has configurable event edge detection. This patch changes the code to use falling edge detection if PTP_FALLING_EDGE is set in the user supplied flags. Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net:phy:dp83640: Declare that TX timestamping possibleStefan Sørensen
Set the SKBTX_IN_PROGRESS bit in tx_flags dp83640_txtstamp when doing tx timestamps as per Documentation/networking/timestamping.txt. Signed-off-by: Stefan Sørensen <stefan.sorensen@spectralink.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04net/ipv4: Use proper RCU APIs for writer-side in udp_offload.cShlomo Pongratz
RCU writer side should use rcu_dereference_protected() and not rcu_dereference(), fix that. This also removes the "suspicious RCU usage" warning seen when running with CONFIG_PROVE_RCU. Also, don't use rcu_assign_pointer/rcu_dereference for pointers which are invisible beyond the udp offload code. Fixes: b582ef0 ('net: Add GRO support for UDP encapsulating protocols') Reported-by: Eric Dumazet <edumazet@google.com> Cc: Eric Dumazet <edumazet@google.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: Shlomo Pongratz <shlomop@mellanox.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04Merge branch 'bonding_fail_over_mac'David S. Miller
Ding Tianhong says: ==================== bonding: Fix some issues for fail_over_mac The parameter fail_over_mac only affect active-backup mode, if it was set to active or follow and works with other modes, just like RR or XOR mode, the bonding could not set all slaves to the master's address, it will cause the slave could not work well with master. v1->v2: According Jay's suggestion, that we should permit setting an option at any time, but only have it take effect in active-backup mode, so I add mode checking together with fail_over_mac during enslavement and rebuild the patches. v2->v3: The correct way to fix the problem is that we should not add restrictions when setting options, just need to modify the bond enslave and removal processing to check the mode in addition to fail_over_mac when setting a slave's MAC during enslavement. The change active slave processing already only calls the fail_over_mac function when in active-backup mode. Remove the cleanup patch because the net-next is frozen now. ==================== Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
2014-02-04bonding: fail_over_mac should only affect AB mode in bond_set_mac_address()dingtianhong
The fail_over_mac could be set to active or follow in any time for all modes, so if the fail_over_mac is not none and the current mode is not active-backup, the bond_set_mac_address() could not change the master and slave's MAC address. In bond_set_mac_address(), the fail_over_mac should only affect AB mode, so modify to check the mode in addition to fail_over_mac when setting bond's MAC address. Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-04bonding: fail_over_mac should only affect AB mode at enslave and removal ↵dingtianhong
processing According to bonding.txt, the fail_over_ma should only affect active-backup mode, but I found that the fail_over_mac could be set to active or follow in all modes, this will cause new slave could not be set to bond's MAC address at enslave processing and restore its own MAC address at removal processing. The correct way to fix the problem is that we should not add restrictions when setting options, just need to modify the bond enslave and removal processing to check the mode in addition to fail_over_mac when setting a slave's MAC during enslavement. The change active slave processing already only calls the fail_over_mac function when in active-backup mode. Thanks for Jay's suggestion. The patch also modify the pr_warning() to pr_warn(). Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Veaceslav Falico <vfalico@redhat.com> Cc: Andy Gospodarek <andy@greyhouse.net> Signed-off-by: Ding Tianhong <dingtianhong@huawei.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-02-05md/raid1: restore ability for check and repair to fix read errors.NeilBrown
commit 30bc9b53878a9921b02e3b5bc4283ac1c6de102a md/raid1: fix bio handling problems in process_checks() Move the bio_reset() to a point before where BIO_UPTODATE is checked, so that check now always report that the bio is uptodate, even if it is not. This causes process_check() to sometimes treat read-errors as successful matches so the good data isn't written out. This patch preserves the flag until it is needed. Bug was introduced in 3.11, but backported to 3.10-stable (as it fixed an even worse bug). So suitable for any -stable since 3.10. Reported-and-tested-by: Michael Tokarev <mjt@tls.msk.ru> Cc: stable@vger.kernel.org (3.10+) Fixed: 30bc9b53878a9921b02e3b5bc4283ac1c6de102a Signed-off-by: NeilBrown <neilb@suse.de>