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2014-03-28net: mvmdio: remove empty MDIO bus reset functionFlorian Fainelli
orion_mdio_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28fs_enet: remove empty MDIO bus functionFlorian Fainelli
fs_enet_fec_mii_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28fec: remove empty MDIO bus functionFlorian Fainelli
fec_enet_mdio_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28net: ethoc: remove empty MDIO bus functionFlorian Fainelli
ethoc_mdio_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28dnet: remove empty MDIO bus reset functionFlorian Fainelli
dnet_mdio_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28macb: remove empty MDIO bus reset functionFlorian Fainelli
macb_mdio_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28tg3: remove empty MDIO bus reset functionFlorian Fainelli
tg3_mdio_reset() does nothing useful and is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28net: greth: remove empty MDIO bus reset functionFlorian Fainelli
greth_mdio_reset() does nothing useful and this function is optional for the MDIO bus code, so let's just remove it. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-28drm/i915: Undo gtt scratch pte unmapping againDaniel Vetter
It apparently blows up on some machines. This functionally reverts commit 828c79087cec61eaf4c76bb32c222fbe35ac3930 Author: Ben Widawsky <benjamin.widawsky@intel.com> Date: Wed Oct 16 09:21:30 2013 -0700 drm/i915: Disable GGTT PTEs on GEN6+ suspend Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=64841 Reported-and-Tested-by: Brad Jackson <bjackson0971@gmail.com> Cc: stable@vger.kernel.org Cc: Takashi Iwai <tiwai@suse.de> Cc: Paulo Zanoni <paulo.r.zanoni@intel.com> Cc: Todd Previte <tprevite@gmail.com> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Signed-off-by: Dave Airlie <airlied@redhat.com>
2014-03-28drm/radeon: fix runtime suspend breaking secondary GPUsDave Airlie
Same fix as for nouveau, when we fail with EINVAL, subsequent gets fail hard, causing the device not to open. Signed-off-by: Dave Airlie <airlied@redhat.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
2014-03-27net: bcmgenet: set RBUF_SKIP_FCS based on UniMAC CRC forwardingFlorian Fainelli
When the UniMAC block is configured to forward the CRC as part of the Ethernet frame (priv->crc_fwd_en, set by default), enabling the hardware RX checksum block unveiled that the dma_rxchk_bit was never set in the per-packet status bits (dma_flag in bcmgenet_desc_rx). This would make the chksum_ok variable to be never set to 1, and the networking stack would have to compute the packet checksums, which takes a substantial amount of time. In order for the RXCHK block to properly compute the packet checksum in hardware, we also need to set the RBUF_SKIP_FCS bit accordingly. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27net/mlx4_core: pass pci_device_id.driver_data to __mlx4_init_one during resetWei Yang
The second parameter of __mlx4_init_one() is used to identify whether the pci_dev is a PF or VF. Currently, when it is invoked in mlx4_pci_slot_reset() this information is missed. This patch match the pci_dev with mlx4_pci_table and passes the pci_device_id.driver_data to __mlx4_init_one() in mlx4_pci_slot_reset(). Signed-off-by: Wei Yang <weiyang@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27core, nfqueue, openvswitch: Orphan frags in skb_zerocopy and handle errorsZoltan Kiss
skb_zerocopy can copy elements of the frags array between skbs, but it doesn't orphan them. Also, it doesn't handle errors, so this patch takes care of that as well, and modify the callers accordingly. skb_tx_error() is also added to the callers so they will signal the failed delivery towards the creator of the skb. Signed-off-by: Zoltan Kiss <zoltan.kiss@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27yam: replace del_timer by del_timer_syncJulia Lawall
Use del_timer_sync to ensure that the timer is stopped on all CPUs before the driver exists. This change was suggested by Thomas Gleixner The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ declarer name module_exit; identifier ex; @@ module_exit(ex); @@ identifier r.ex; @@ ex(...) { <... - del_timer + del_timer_sync (...) ...> } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27hsr: replace del_timer by del_timer_syncJulia Lawall
Use del_timer_sync to ensure that the timer is stopped on all CPUs before the driver exists. This change was suggested by Thomas Gleixner. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ declarer name module_exit; identifier ex; @@ module_exit(ex); @@ identifier r.ex; @@ ex(...) { <... - del_timer + del_timer_sync (...) ...> } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27atm: replace del_timer by del_timer_syncJulia Lawall
Use del_timer_sync to ensure that the timer is stopped on all CPUs before the driver exists. This change was suggested by Thomas Gleixner. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ declarer name module_exit; identifier ex; @@ module_exit(ex); @@ identifier r.ex; @@ ex(...) { <... - del_timer + del_timer_sync (...) ...> } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27isdn: replace del_timer by del_timer_syncJulia Lawall
Use del_timer_sync to ensure that the timer is stopped on all CPUs before the driver exists. This change was suggested by Thomas Gleixner. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @r@ declarer name module_exit; identifier ex; @@ module_exit(ex); @@ identifier r.ex; @@ ex(...) { <... - del_timer + del_timer_sync (...) ...> } // </smpl> Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27tcp: tcp_make_synack() minor changesEric Dumazet
There is no need to allocate 15 bytes in excess for a SYNACK packet, as it contains no data, only headers. SYNACK are always generated in softirq context, and contain a single segment, we can use TCP_INC_STATS_BH() Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27ipv6: do not overwrite inetpeer metrics prematurelyMichal Kubeček
If an IPv6 host route with metrics exists, an attempt to add a new route for the same target with different metrics fails but rewrites the metrics anyway: 12sp0:~ # ip route add fec0::1 dev eth0 rto_min 1000 12sp0:~ # ip -6 route show fe80::/64 dev eth0 proto kernel metric 256 fec0::1 dev eth0 metric 1024 rto_min lock 1s 12sp0:~ # ip route add fec0::1 dev eth0 rto_min 1500 RTNETLINK answers: File exists 12sp0:~ # ip -6 route show fe80::/64 dev eth0 proto kernel metric 256 fec0::1 dev eth0 metric 1024 rto_min lock 1.5s This is caused by all IPv6 host routes using the metrics in their inetpeer (or the shared default). This also holds for the new route created in ip6_route_add() which shares the metrics with the already existing route and thus ip6_route_add() rewrites the metrics even if the new route ends up not being used at all. Another problem is that old metrics in inetpeer can reappear unexpectedly for a new route, e.g. 12sp0:~ # ip route add fec0::1 dev eth0 rto_min 1000 12sp0:~ # ip route del fec0::1 12sp0:~ # ip route add fec0::1 dev eth0 12sp0:~ # ip route change fec0::1 dev eth0 hoplimit 10 12sp0:~ # ip -6 route show fe80::/64 dev eth0 proto kernel metric 256 fec0::1 dev eth0 metric 1024 hoplimit 10 rto_min lock 1s Resolve the first problem by moving the setting of metrics down into fib6_add_rt2node() to the point we are sure we are inserting the new route into the tree. Second problem is addressed by introducing new flag DST_METRICS_FORCE_OVERWRITE which is set for a new host route in ip6_route_add() and makes ipv6_cow_metrics() always overwrite the metrics in inetpeer (even if they are not "new"); it is reset after that. v5: use a flag in _metrics member rather than one in flags v4: fix a typo making a condition always true (thanks to Hannes Frederic Sowa) v3: rewritten based on David Miller's idea to move setting the metrics (and allocation in non-host case) down to the point we already know the route is to be inserted. Also rebased to net-next as it is quite late in the cycle. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Acked-by: Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27vlan: Set hard_header_len according to available accelerationVlad Yasevich
Currently, if the card supports CTAG acceleration we do not account for the vlan header even if we are configuring an 8021AD vlan. This may not be best since we'll do software tagging for 8021AD which will cause data copy on skb head expansion Configure the length based on available hw offload capabilities and vlan protocol. CC: Patrick McHardy <kaber@trash.net> Signed-off-by: Vlad Yasevich <vyasevic@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27usbnet: include wait queue head in device structureOliver Neukum
This fixes a race which happens by freeing an object on the stack. Quoting Julius: > The issue is > that it calls usbnet_terminate_urbs() before that, which temporarily > installs a waitqueue in dev->wait in order to be able to wait on the > tasklet to run and finish up some queues. The waiting itself looks > okay, but the access to 'dev->wait' is totally unprotected and can > race arbitrarily. I think in this case usbnet_bh() managed to succeed > it's dev->wait check just before usbnet_terminate_urbs() sets it back > to NULL. The latter then finishes and the waitqueue_t structure on its > stack gets overwritten by other functions halfway through the > wake_up() call in usbnet_bh(). The fix is to just not allocate the data structure on the stack. As dev->wait is abused as a flag it also takes a runtime PM change to fix this bug. Signed-off-by: Oliver Neukum <oneukum@suse.de> Reported-by: Grant Grundler <grundler@google.com> Tested-by: Grant Grundler <grundler@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27ptp: Fix compiler warnings in the testptp utilityChristian Riesch
Signed-off-by: Christian Riesch <christian.riesch@omicron.at> Cc: Dong Zhu <bluezhudong@gmail.com> Acked-by: Richard Cochran <richardcochran@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27Revert "ptp: Fix compiler warnings in the testptp utility"David S. Miller
This reverts commit 203191c386e83b8c5d95bbbaef13baa629512726. A better version of this fix is forthcoming. Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27bnx2x: Fix compilation when CONFIG_BNX2X_SRIOV is not setYuval Mintz
Commit 370d4a26 "bnx2x: Create workqueue for IOV related tasks" breaks bnx2x compilation when CONFIG_BNX2X_SRIOV is not set - "multiple definition of `bnx2x_schedule_iov_task'". Reported-by: kbuild test robot <fengguang.wu@intel.com> Signed-off-by: Yuval Mintz <Yuval.Mintz@qlogic.com> Acked-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-03-27rtl818x: Update Kconfig for rtl8187seAndrea Merello
update description in Kconfig to state rtl8180 driver now supports also rtl8187se cards Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: enable rtl8187se supportAndrea Merello
Finally make rtl8187se works (hopefylly). This patch adds PCI ID for rtl8187, updates copyright notes and updates MODULE_DESCRIPTION. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: detect rtl8187se cardAndrea Merello
Add case to detect the rtl8187se card and its RF frontend. In this case set also accordingly mac80211 queue number. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add WMM parameters configuration for rtl8187seAndrea Merello
Introduce a new function to configure AC parameters for TX queues on rtl8187se cards, and hook it onto mac80211 in order to enable WMM support. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: make sure RTL818X_MSR_ENEDCA is set for rtl8187seAndrea Merello
MSR register for rtl8187se must always have ENEDCA flag set. Write it accordingly when updated on BSS change. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add ERP configuration for rtl8187seAndrea Merello
This patch adds ERP configuration support for rtl8187se to the existing ERP configuration function. It needs a different register offset and it must not apply rtl8185 workaround. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add rtl8187se HW initializationAndrea Merello
This patch adds few functions that initializes extra stuff that is present only in rtl8187se HW, and it modify the existing HW initialization function where necessary Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add RF code for rtl8225 zebra v4Andrea Merello
This patch introduce new RF code for rtl8225 zebra v4 radio frontend. This code contains a lot of black magic and it can work probably only with the radio embdedded in the rtl8187se single-chip. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: introduce functions for setting ANAPARAM 2 and 3 paramsAndrea Merello
rtl8180 has one register for analog converters setting ,rtl8185 has two and rtl8187se has three. Setting those registers require more than a simple write, and for one of them a function is already provided. This patch introduces functions for the other two. rtl8187se will use them. rtl8185 doesen't yet, but should Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add rtl8187se params to eeprom readingAndrea Merello
rtl8187se nees extra parameters to be read from the eeprom. This patch adds support for it Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: config carbus register for rtl8187seAndrea Merello
configuration of carbus-related registers is different for rtl8187se. Introduce a dedicated function that does it for all cards in the proper way Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add TX queue mapping and support for rtl8187seAndrea Merello
This patch adds tx queue mapping for rtl8187se and a long comment block about their usages. It adapts the TX function to use that map and it sets properly the TX descriptor rtl8187se-only fields Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: don't write MAR registers for rtl8187seAndrea Merello
MAR registers are not present in rtl8187se, and attempting to write to them must be avoided Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: introduce functions to enable/disable ints and add support for ↵Andrea Merello
rtl8187se This patch introduces two dedicated functions for enabling and disabling ints. Support for rtl8187se is also added to them Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add ISR for rtl8187seAndrea Merello
rtl8187se has more queues and different ISR flags. This patch adds a separated ISR handler for rtl8187se Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: support for rtl8187se RX descriptorsAndrea Merello
Currently RX status descriptor and RX command descriptor are represented using the same struct type. This patch splits this by introducing different types for rx status and command descriptor. Doing this make it possible to handle rtl8187se RX descriptors easier. This patch do also this by adding specific cases where needed. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add basic rate configuration support for rtl8187seAndrea Merello
Basic rate configuration is a bit different for rtl8187se. Adding this also fixes the gcc warning introduced in last patch about unhandled case in switch. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add rtl8187se fields to TX descriptorAndrea Merello
This patch modifies the TX descriptor struct so it can work also for rtl8187se. Some reserved field is now meaningful, and where needed union is used. Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl8180: add rtl8187se chip typeAndrea Merello
Add back rtl8187se chip type to the enum for known chips. This causes unhandled switch/case warning that will be fixed in following patch Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtl818x: add registers for rtl8187seAndrea Merello
Adds registers for rtl8187se to the rtl818x common struct Signed-off-by: Andrea Merello <andrea.merello@gmail.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27mwifiex: cancel pending commands during host sleepAmitkumar Karwar
Sometimes we may end up downloading other commands when host sleep is configured. This patch makes sure that pending commands are cancelled and we stop queueing further commands during host sleep. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27mwifiex: correction in sleep confirm command sequence numberAmitkumar Karwar
Incremented sequence number was not being used for SLEEP confirm command. This patch fixes the issue. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27mwifiex: corner case NULL pointer dereference fixAmitkumar Karwar
When next scan command is delayed due to Tx traffic and meanwhile synchronous command is received followed by a signal, we cance all pending commands. NULL pointer dereference is seen in this case while queueing next command in scan delay timer. This patch adds a check to fix this issue. Signed-off-by: Amitkumar Karwar <akarwar@marvell.com> Signed-off-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27brcmfmac: use mfp if required from user-spaceDaniel Kim
The struct cfg80211_connect_params indicate whether the connection should use management frame protection (mfp). If required set the MFP_CAPABLE flag in the firmware command. This is supported from user-space by wpa_supplicant since v2.1. Reviewed-by: Daniel (Deognyoun) Kim <dekim@broadcom.com> Reviewed-by: Hante Meuleman <meuleman@broadcom.com> Reviewed-by: Pieter-Paul Giesberts <pieterpg@broadcom.com> Signed-off-by: Arend van Spriel <arend@broadcom.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27rtlwifi: Remove casts of pointer to same typeJoe Perches
Casting a pointer to a pointer of the same type is pointless, so remove these unnecessary casts. Around these changes: o Remove unnecessary parentheses o Use consistent dereference style (change ptr[0] to *ptr) o Argument alignment Done via coccinelle script: (and some typing) $ cat typecast_2.cocci @@ type T; T *foo; @@ - (T *)foo + foo Signed-off-by: Joe Perches <joe@perches.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-03-27mwifiex: Remove casts of pointer to same typeJoe Perches
Casting a pointer to a pointer of the same type is pointless, so remove these unnecessary casts. Done via coccinelle script: $ cat typecast_2.cocci @@ type T; T *foo; @@ - (T *)foo + foo Signed-off-by: Joe Perches <joe@perches.com> Acked-by: Bing Zhao <bzhao@marvell.com> Signed-off-by: John W. Linville <linville@tuxdriver.com>