Add the missing iounmap() before return from bnad_init()
in the error handling case.
Introduced by commit 01b54b1451
(bna: tx rx cleanup fix).
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
qlge allocates chunks from a page that it maps and unmaps that page when
the last chunk is released. When the driver is unloaded or the card is
removed, all chunks are released and the page is unmapped for the last
chunk.
However, when the last chunk of a page is not allocated and the device
is removed, that page is not unmapped. In fact, its last reference is
not put and there's also a page leak. This bug prevents a device from
being properly hotplugged.
When the DMA API debug option is enabled, the following messages show
the pending DMA allocation after we remove the driver.
This patch fixes the bug by unmapping and putting the page from the ring
if its last chunk has not been allocated.
pci 0005:98:00.0: DMA-API: device driver has pending DMA allocations while released from device [count=1]
One of leaked entries details: [device address=0x0000000060a80000] [size=65536 bytes] [mapped with DMA_FROM_DEVICE] [mapped as page]
------------[ cut here ]------------
WARNING: at lib/dma-debug.c:746
Modules linked in: qlge(-) rpadlpar_io rpaphp pci_hotplug fuse [last unloaded: qlge]
NIP: c0000000003fc3ec LR: c0000000003fc3e8 CTR: c00000000054de60
REGS: c0000003ee9c74e0 TRAP: 0700 Tainted: G O (3.7.2)
MSR: 8000000000029032 <SF,EE,ME,IR,DR,RI> CR: 28002424 XER: 00000001
SOFTE: 1
CFAR: c0000000007a39c8
TASK = c0000003ee8d5c90[8406] 'rmmod' THREAD: c0000003ee9c4000 CPU: 31
GPR00: c0000000003fc3e8 c0000003ee9c7760 c000000000c789f8 00000000000000ee
GPR04: 0000000000000000 00000000000000ef 0000000000004000 0000000000010000
GPR08: 00000000000000be c000000000b22088 c000000000c4c218 00000000007c0000
GPR12: 0000000028002422 c00000000ff26c80 0000000000000000 000001001b0f1b40
GPR16: 00000000100cb9d8 0000000010093088 c000000000cdf910 0000000000000001
GPR20: 0000000000000000 c000000000dbfc00 0000000000000000 c000000000dbfb80
GPR24: c0000003fafc9d80 0000000000000001 000000000001ff80 c0000003f38f7888
GPR28: c000000000ddfc00 0000000000000400 c000000000bd7790 c000000000ddfb80
NIP [c0000000003fc3ec] .dma_debug_device_change+0x22c/0x2b0
LR [c0000000003fc3e8] .dma_debug_device_change+0x228/0x2b0
Call Trace:
[c0000003ee9c7760] [c0000000003fc3e8] .dma_debug_device_change+0x228/0x2b0 (unreliable)
[c0000003ee9c7840] [c00000000079a098] .notifier_call_chain+0x78/0xf0
[c0000003ee9c78e0] [c0000000000acc20] .__blocking_notifier_call_chain+0x70/0xb0
[c0000003ee9c7990] [c0000000004a9580] .__device_release_driver+0x100/0x140
[c0000003ee9c7a20] [c0000000004a9708] .driver_detach+0x148/0x150
[c0000003ee9c7ac0] [c0000000004a8144] .bus_remove_driver+0xc4/0x150
[c0000003ee9c7b60] [c0000000004aa58c] .driver_unregister+0x8c/0xe0
[c0000003ee9c7bf0] [c0000000004090b4] .pci_unregister_driver+0x34/0xf0
[c0000003ee9c7ca0] [d000000002231194] .qlge_exit+0x1c/0x34 [qlge]
[c0000003ee9c7d20] [c0000000000e36d8] .SyS_delete_module+0x1e8/0x290
[c0000003ee9c7e30] [c0000000000098d4] syscall_exit+0x0/0x94
Instruction dump:
7f26cb78 e818003a e87e81a0 e8f80028 e9180030 796b1f24 78001f24 7d6a5a14
7d2a002a e94b0020 483a7595 60000000 <0fe00000> 2fb80000 40de0048 80120050
---[ end trace 4294f9abdb01031d ]---
Mapped at:
[<d000000002222f54>] .ql_update_lbq+0x384/0x580 [qlge]
[<d000000002227bd0>] .ql_clean_inbound_rx_ring+0x300/0xc60 [qlge]
[<d0000000022288cc>] .ql_napi_poll_msix+0x39c/0x5a0 [qlge]
[<c0000000006b3c50>] .net_rx_action+0x170/0x300
[<c000000000081840>] .__do_softirq+0x170/0x300
Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com>
Acked-by: Jitendra Kalsaria <Jitendra.kalsaria@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Since commit 82dc3c63c6 ("net: introduce NAPI_POLL_WEIGHT")
we warn drivers when they use napi weight higher than NAPI_POLL_WEIGHT,
but virtio_net still uses 128 by default. This patch makes its default
value to NAPI_POLL_WEIGHT.
Cc: "Michael S. Tsirkin" <mst@redhat.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David S. Miller <davem@davemloft.net>
Signed-off-by: Cong Wang <amwang@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix EMAC soft reset on 460EX/GT to select the right PHY clock source
before and after the soft reset.
EMAC with PHY should use the clock from PHY during soft reset.
EMAC without PHY should use the internal clock during soft reset.
PPC460EX/GT Embedded Processor Advanced User's Manual
section 28.10.1 Mode Register 0 (EMACx_MR0) states:
Note: The PHY must provide a TX Clk in order to perform a soft reset
of the EMAC. If none is present, select the internal clock
(SDR0_ETH_CFG[EMACx_PHY_CLK] = 1).
After a soft reset, select the external clock.
Without the fix, 460EX/GT-based boards with RGMII PHYs attached to
EMACs experience EMAC interrupt storm and system watchdog reset when
issuing "ifconfig eth0 down" + "ifconfig eth0 up" a few times.
The system enters endless loop of serving emac_irq() with EMACx_ISR
register stuck at value 0x10000000 (Rx parity error).
With the fix, the above issue is no longer observed.
Signed-off-by: Petri Gynther <pgynther@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver wrongly claimed I/O ports at an address returned by pci_iomap() --
even if it was passed an MMIO address. Fix this by claiming/releasing all PCI
resources in the PCI driver's probe()/remove() methods instead and get rid of
'must_free_region' flag weirdness (why would Cardbus claim anything for us?).
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If NO_DMA=y:
drivers/built-in.o: In function `cfv_destroy_genpool':
drivers/net/caif/caif_virtio.c:364: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `cfv_create_genpool':
drivers/net/caif/caif_virtio.c:397: undefined reference to `dma_alloc_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Dmitry Tarnyagin <dmitry.tarnyagin@lockless.no>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
If NO_DMA=y:
drivers/built-in.o: In function `macb_free_consistent':
drivers/net/ethernet/cadence/macb.c:878: undefined reference to `dma_free_coherent'
drivers/net/ethernet/cadence/macb.c:883: undefined reference to `dma_free_coherent'
drivers/net/ethernet/cadence/macb.c:888: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `macb_alloc_consistent':
drivers/net/ethernet/cadence/macb.c:905: undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `macb_tx_interrupt':
drivers/net/ethernet/cadence/macb.c:515: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `macb_tx_error_task':
drivers/net/ethernet/cadence/macb.c:457: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `macb_start_xmit':
drivers/net/ethernet/cadence/macb.c:838: undefined reference to `dma_map_single'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If NO_DMA=y:
drivers/built-in.o: In function `at91ether_start':
drivers/net/ethernet/cadence/at91_ether.c:49: undefined reference to `dma_alloc_coherent'
drivers/net/ethernet/cadence/at91_ether.c:60: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `at91ether_interrupt':
drivers/net/ethernet/cadence/at91_ether.c:250: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `at91ether_start_xmit':
drivers/net/ethernet/cadence/at91_ether.c:169: undefined reference to `dma_map_single'
drivers/built-in.o: In function `at91ether_close':
drivers/net/ethernet/cadence/at91_ether.c:145: undefined reference to `dma_free_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Nicolas Ferre <nicolas.ferre@atmel.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If NO_DMA=y:
drivers/built-in.o: In function `ath9k_beacon_generate':
drivers/net/wireless/ath/ath9k/beacon.c:146: undefined reference to `dma_unmap_single'
drivers/net/wireless/ath/ath9k/beacon.c:174: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/beacon.c:176: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath9k_beacon_remove_slot':
drivers/net/wireless/ath/ath9k/beacon.c:252: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_descdma_setup':
drivers/net/wireless/ath/ath9k/init.c:382: undefined reference to `dmam_alloc_coherent'
drivers/built-in.o: In function `ath_edma_get_buffers':
drivers/net/wireless/ath/ath9k/recv.c:616: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_get_next_rx_buf':
drivers/net/wireless/ath/ath9k/recv.c:740: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_rx_edma_cleanup':
drivers/net/wireless/ath/ath9k/recv.c:176: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_cleanup':
drivers/net/wireless/ath/ath9k/recv.c:340: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_edma_buf_link':
drivers/net/wireless/ath/ath9k/recv.c:122: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_rx_tasklet':
drivers/net/wireless/ath/ath9k/recv.c:1275: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:1277: undefined reference to `dma_mapping_error'
drivers/net/wireless/ath/ath9k/recv.c:1283: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_rx_edma_init':
drivers/net/wireless/ath/ath9k/recv.c:226: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:229: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath_rx_init':
drivers/net/wireless/ath/ath9k/recv.c:303: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/recv.c:306: undefined reference to `dma_mapping_error'
drivers/built-in.o: In function `ath_tx_complete_buf':
drivers/net/wireless/ath/ath9k/xmit.c:2088: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `ath_txstatus_setup':
drivers/net/wireless/ath/ath9k/xmit.c:2344: undefined reference to `dmam_alloc_coherent'
drivers/built-in.o: In function `ath_tx_set_retry':
drivers/net/wireless/ath/ath9k/xmit.c:307: undefined reference to `dma_sync_single_for_cpu'
drivers/built-in.o: In function `ath_tx_setup_buffer':
drivers/net/wireless/ath/ath9k/xmit.c:1887: undefined reference to `dma_map_single'
drivers/net/wireless/ath/ath9k/xmit.c:1889: undefined reference to `dma_mapping_error'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Luis R. Rodriguez <mcgrof@qca.qualcomm.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: linux-wireless@vger.kernel.org
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
If NO_DMA=y:
drivers/built-in.o: In function `dma_free_tx_skbufs':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1141: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `dma_free_rx_skbufs':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1120: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `free_dma_desc_resources':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1159: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `stmmac_init_rx_buffers':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:980: undefined reference to `dma_map_single'
drivers/built-in.o: In function `init_dma_desc_rings':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1015: undefined reference to `dma_alloc_coherent'
drivers/built-in.o: In function `stmmac_tx_clean':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1250: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `stmmac_rx':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2044: undefined reference to `dma_unmap_single'
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:2082: undefined reference to `dma_unmap_single'
drivers/built-in.o: In function `stmmac_rx_refill':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1967: undefined reference to `dma_map_single'
drivers/built-in.o: In function `stmmac_xmit':
drivers/net/ethernet/stmicro/stmmac/stmmac_main.c:1845: undefined reference to `dma_map_single'
drivers/built-in.o: In function `skb_frag_dma_map':
include/linux/skbuff.h:2184: undefined reference to `dma_map_page'
drivers/built-in.o: In function `stmmac_jumbo_frm':
drivers/net/ethernet/stmicro/stmmac/ring_mode.c:40: undefined reference to `dma_map_single'
drivers/built-in.o: In function `stmmac_jumbo_frm':
drivers/net/ethernet/stmicro/stmmac/chain_mode.c:48: undefined reference to `dma_map_single'
drivers/net/ethernet/stmicro/stmmac/chain_mode.c:55: undefined reference to `dma_map_single'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Giuseppe Cavallaro <peppe.cavallaro@st.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
If NO_DMA=y:
drivers/built-in.o: In function `xgmac_xmit':
drivers/net/ethernet/calxeda/xgmac.c:1102: undefined reference to `dma_mapping_error'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Rob Herring <rob.herring@calxeda.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: netdev@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, if macvlan in passthru mode is created and data are rxed and
you remove this device, following panic happens:
NULL pointer dereference at 0000000000000198
IP: [<ffffffffa0196058>] macvlan_handle_frame+0x153/0x1f7 [macvlan]
I'm using following script to trigger this:
<script>
while [ 1 ]
do
ip link add link e1 name macvtap0 type macvtap mode passthru
ip link set e1 up
ip link set macvtap0 up
IFINDEX=`ip link |grep macvtap0 | cut -f 1 -d ':'`
cat /dev/tap$IFINDEX >/dev/null &
ip link del dev macvtap0
done
</script>
I run this script while "ping -f" is running on another machine to send
packets to e1 rx.
Reason of the panic is that list_first_entry() is blindly called in
macvlan_handle_frame() even if the list was empty. vlan is set to
incorrect pointer which leads to the crash.
I'm fixing this by protecting port->vlans list by rcu and by preventing
from getting incorrect pointer in case the list is empty.
Introduced by: commit eb06acdc85 "macvlan: Introduce 'passthru' mode to takeover the underlying device"
Signed-off-by: Jiri Pirko <jiri@resnulli.us>
Acked-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Make sure that the following steps are taken:
- drop packets sent by the VF with vlan tag
- block packets with vlan tag which are steered to the VF
- drop/block tagged packets when the policy is priority-tagged
- make sure VLAN stripping for received packets is set
- make sure force UP bit for the VF QP is set
Use enum values for all the above instead of numerical bit offsets.
Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commits e6b6a23 "net/mlx4: Add VF MAC spoof checking support" and
3f7fb021 "net/mlx4: Add set VF default vlan ID and priority support"
missed reporting in the device capabilities dump when these features
are actually supported. Also two too noisy debug messages which produce
message on every QP opened by a VF, were left in the code, fix that.
Signed-off-by: Rony Efraim <ronye@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Commit 4c09eed (net: fec: Enable imx6 enet checksum acceleration.)
enables hardware checksum acceleration unconditionally for all fec
variants. This is inappropriate, because some variants like imx5 have
no such support on hardware. Consequently, fec is broken on these
platforms. Fix it by enabling hardware checksum only on imx6q-fec type
of controllers.
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Reviewed-by: Jim Baxter <jim_baxter@mentor.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o VF driver that has enabled asynchronous link events
may not set BIT_8 in the request, if it does not require
link state in the response.
Signed-off-by: Pratik Pujar <pratik.pujar@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Fix mailbox response poll time to maximum 5 seconds which
includes mailbox response time as well as time required for
processing AEN if any.
o Driver need to read firmware control mailbox register instead
of host control mailbox register.
Signed-off-by: Jitendra Kalsaria <jitendra.kalsaria@qlogic.com>
Signed-off-by: Rajesh Borundia <rajesh.borundia@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o In order to perform reset recovery during diagnostics tests,
current device status information need to be preserved.
This patch makes the required changes in diagnostics routines
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o When transmit timeout happens, recovery attempt should start with
adapter soft reset. If soft reset fails to resume traffic, firmware
dump will be collected and driver will perform a hard reset of the
adapter. Reset recovery on 83xx was failing after a hard reset.
This patch fixes that issue.
Signed-off-by: Sony Chacko <sony.chacko@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Fix display for interface while using 'ethtool <device>' for 83xx adapter
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Himanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Add missing information in ethtool statistics information array.
o Fix the typo in the statistics information string.
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
o Delete previous unicast MAC which is already programmed
in adapter before setting new unicast MAC
Signed-off-by: Manish Chopra <manish.chopra@qlogic.com>
Signed-off-by: Shahed Shaikh <shahed.shaikh@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull tile update from Chris Metcalf:
"The interesting bug fix is support for the upcoming "4.2" release of
the Tilera hypervisor, which by default launches Linux at privilege
level 2 instead of 1. The fix lets new and old hypervisors and
Linuxes interoperate more smoothly, so I've tagged it for
stable@kernel.org so that older Linuxes will be able to boot under the
newer hypervisor."
* 'stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile:
usb: tilegx: fix memleak when create hcd fail
arch/tile: remove inline marking of EXPORT_SYMBOL functions
rtc: rtc-tile: add missing platform_device_unregister() when module exit
tile: support new Tilera hypervisor
Pull networking update from David Miller:
1) Propagate return error values properly in irda, spider_net, sfc, and
bfin_mac. From Wei Yongjun.
2) Fix fec driver OOPS on rapid link up/down, from Frank Li.
3) FIX VF resource allocation and chip message payload length errors in
be2net driver, from Sathya Perla.
4) Fix inner protocol inspection during GSO from Pravin B Shelar.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
if_cablemodem.h: Add parenthesis around ioctl macros
gso: Handle Trans-Ether-Bridging protocol in skb_network_protocol()
net: fec: fix kernel oops when plug/unplug cable many times
bfin_mac: fix error return code in bfin_mac_probe()
sfc: fix return value check in efx_ptp_probe_channel()
net/spider_net: fix error return code in spider_net_open()
net/irda: fix error return code in bfin_sir_open()
net: of_mdio: fix behavior on missing phy device
sierra_net: keep status interrupt URB active
usbnet: allow status interrupt URB to always be active
qmi_wwan/cdc_ether: add device IDs for Dell 5804 (Novatel E371) WWAN card
be2net: disable TX in be_close()
be2net: fix EQ from getting full while cleaning RX CQ
be2net: fix payload_len value for GET_MAC_LIST cmd req
be2net: provision VF resources before enabling SR-IOV
GENERIC_GPIO now synonymous with GPIOLIB. There are no longer any valid
cases for enableing GENERIC_GPIO without GPIOLIB, even though it is
possible to do so which has been causing confusion and breakage. This
branch does the work to completely eliminate GENERIC_GPIO.
However, it is not trivial to just create a branch to remove it. Over
the course of the v3.9 cycle more code referencing GENERIC_GPIO has been
added to linux-next that conflicts with this branch. The following must
be done to resolve the conflicts when merging this branch into mainline:
* "git grep CONFIG_GENERIC_GPIO" should return 0 hits. Matches should be
replaced with CONFIG_GPIOLIB
* "git grep '\bGENERIC_GPIO\b'" should return 1 hit in the Chinese
documentation.
* Selectors of GENERIC_GPIO should be turned into selectors of GPIOLIB
* definitions of the option in architecture Kconfig code should be deleted.
Stephen has 3 merge fixup patches[1] that do the above. They are currently
applicable on mainline as of May 2nd.
[1] http://www.mail-archive.com/linux-kernel@vger.kernel.org/msg428056.html
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Merge tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux
Pull removal of GENERIC_GPIO from Grant Likely:
"GENERIC_GPIO now synonymous with GPIOLIB. There are no longer any
valid cases for enableing GENERIC_GPIO without GPIOLIB, even though it
is possible to do so which has been causing confusion and breakage.
This branch does the work to completely eliminate GENERIC_GPIO."
* tag 'gpio-for-linus' of git://git.secretlab.ca/git/linux:
gpio: update gpio Chinese documentation
Remove GENERIC_GPIO config option
Convert selectors of GENERIC_GPIO to GPIOLIB
blackfin: force use of gpiolib
m68k: coldfire: use gpiolib
mips: pnx833x: remove requirement for GENERIC_GPIO
openrisc: default GENERIC_GPIO to false
avr32: default GENERIC_GPIO to false
xtensa: remove explicit selection of GENERIC_GPIO
sh: replace CONFIG_GENERIC_GPIO by CONFIG_GPIOLIB
powerpc: remove redundant GENERIC_GPIO selection
unicore32: default GENERIC_GPIO to false
unicore32: remove unneeded select GENERIC_GPIO
arm: plat-orion: use GPIO driver on CONFIG_GPIOLIB
arm: remove redundant GENERIC_GPIO selection
mips: alchemy: require gpiolib
mips: txx9: change GENERIC_GPIO to GPIOLIB
mips: loongson: use GPIO driver on CONFIG_GPIOLIB
mips: remove redundant GENERIC_GPIO select
- XRC transport fixes
- Fix DHCP on IPoIB
- mlx4 preparations for flow steering
- iSER fixes
- miscellaneous other fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
Pull InfiniBand/RDMA changes from Roland Dreier:
- XRC transport fixes
- Fix DHCP on IPoIB
- mlx4 preparations for flow steering
- iSER fixes
- miscellaneous other fixes
* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband: (23 commits)
IB/iser: Add support for iser CM REQ additional info
IB/iser: Return error to upper layers on EAGAIN registration failures
IB/iser: Move informational messages from error to info level
IB/iser: Add module version
mlx4_core: Expose a few helpers to fill DMFS HW strucutures
mlx4_core: Directly expose fields of DMFS HW rule control segment
mlx4_core: Change a few DMFS fields names to match firmare spec
mlx4: Match DMFS promiscuous field names to firmware spec
mlx4_core: Move DMFS HW structs to common header file
IB/mlx4: Set link type for RAW PACKET QPs in the QP context
IB/mlx4: Disable VLAN stripping for RAW PACKET QPs
mlx4_core: Reduce warning message for SRQ_LIMIT event to debug level
RDMA/iwcm: Don't touch cmid after dropping reference
IB/qib: Correct qib_verbs_register_sysfs() error handling
IB/ipath: Correct ipath_verbs_register_sysfs() error handling
RDMA/cxgb4: Fix SQ allocation when on-chip SQ is disabled
SRPT: Fix odd use of WARN_ON()
IPoIB: Fix ipoib_hard_header() return value
RDMA: Rename random32() to prandom_u32()
RDMA/cxgb3: Fix uninitialized variable
...
A small bug in this code was causing the ALLMULTI filter to be set
when in fact we were just wanting to program a selective multicast list
to the hardware.
Fix that bug and remove a redundant if condition in the code that
follows.
This fixes wakeup behaviour when multicast WOL is enabled. Previously,
all multicast packets would wake up the system. Now, only those that the
host intended to receive trigger wakeups.
Signed-off-by: Daniel Drake <dsd@laptop.org>
Cc: <stable@vger.kernel.org>
Acked-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
After unregister_netdevice() call the request is queued and
reg_state is changed to NETREG_UNREGISTERING.
As we check for NETREG_UNREGISTERED state, free_netdev() never
gets executed causing memory leak.
Initialize "dev->destructor" to free_netdev() to free device
data after unregistration.
Cc: <stable@vger.kernel.org>
Reported-by: Daniel Drake <dsd@laptop.org>
Tested-by: Daniel Drake <dsd@laptop.org>
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>
When the XO-4 with 8787 wireless is woken up due to wake-on-WLAN
mwifiex is often flooded with "not allowed while suspended" messages
and the interface is unusable.
[ 202.171609] int: sdio_ireg = 0x1
[ 202.180700] info: mwifiex_process_hs_config: auto cancelling host
sleep since there is interrupt from the firmware
[ 202.201880] event: wakeup device...
[ 202.211452] event: hs_deactivated
[ 202.514638] info: --- Rx: Data packet ---
[ 202.514753] data: 4294957544 BSS(0-0): Data <= kernel
[ 202.514825] PREP_CMD: device in suspended state
[ 202.514839] data: dequeuing the packet ec7248c0 ec4869c0
[ 202.514886] mwifiex_write_data_sync: not allowed while suspended
[ 202.514886] host_to_card, write iomem (1) failed: -1
[ 202.514917] mwifiex_write_data_sync: not allowed while suspended
[ 202.514936] host_to_card, write iomem (2) failed: -1
[ 202.514949] mwifiex_write_data_sync: not allowed while suspended
[ 202.514965] host_to_card, write iomem (3) failed: -1
[ 202.514976] mwifiex_write_data_async failed: 0xFFFFFFFF
This can be readily reproduced when putting the XO-4 in a loop where
it goes to sleep due to inactivity, but then wakes up due to an
incoming ping. The error is hit within an hour or two.
This issue happens when an interrupt comes in early while host sleep
is still activated. Driver handles this case by auto cancelling host
sleep. However is_suspended flag is still set which prevents any cmd
or data from being sent to firmware. Fix it by clearing is_suspended
flag in this path.
Cc: <stable@vger.kernel.org>
Reported-by: Daniel Drake <dsd@laptop.org>
Tested-by: Daniel Drake <dsd@laptop.org>
Signed-off-by: Bing Zhao <bzhao@marvell.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
* Register Modification for xLNA board.
* TX gain table modification for zero calibration.
* AUX chain (LNA2) sensitivity enhancement
* Modify diversity bias default setting in INI.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
When a reset or a channel-change happens, for managed mode,
the HW beacon timers have to be programmed after the TSF has
been synchronized. This is handled via the sync flags.
Signed-off-by: Sujith Manoharan <c_manoha@qca.qualcomm.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Jake reported that since commit 1672c0e319
"mac80211: start auth/assoc timeout on frame status", he is unable to
connect to his AP, which is configured to use passive channel.
After switch to passive channel 4965 firmware drops any TX packet until
it receives beacon. Before commit 1672c0e3 we waited on channel and
retransmit packet after 200ms, that makes we receive beacon on the
meantime and association process succeed. New mac80211 behaviour cause
that any ASSOC frame fail immediately on iwl4965 and we can not
associate.
This patch restore old mac80211 behaviour for iwl4965, by removing
IEEE80211_HW_REPORTS_TX_ACK_STATUS feature. This feature will be
added again to iwl4965 driver, when different, more complex
workaround for this firmware issue, will be added to the driver.
Cc: stable@vger.kernel.org # 3.9
Bisected-by: Jake Edge <jake@lwn.net>
Reported-and-tested-by: Jake Edge <jake@lwn.net>
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Add handling of rx descriptor underflow. This fixes a fault that could
happen on slow machines, where data is received faster than the CPU can
handle. In such a case the device will use up all rx descriptors and
refuse to send any more data before confirming that it is ok. This
patch enables necessary interrupt to discover such a situation and will
handle them by dropping everything in the ring buffer.
Reviewed-by: Michael Buesch <m@bues.ch>
Signed-off-by: Thommy Jakobsson <thommyj@gmail.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
reproduce steps
1. flood ping from other machine
ping -f -s 41000 IP
2. run below script
while [ 1 ]; do ethtool -s eth0 autoneg off;
sleep 3;ethtool -s eth0 autoneg on; sleep 4; done;
You can see oops in one hour.
The reason is fec_restart clear BD but NAPI may use it.
The solution is disable NAPI and stop xmit when reset BD.
disable NAPI may sleep, so fec_restart can't be call in
atomic context.
Signed-off-by: Frank Li <Frank.Li@freescale.com>
Reviewed-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case of error, the function ptp_clock_register() returns ERR_PTR()
and never returns NULL. The NULL test in the return value check should
be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix to return -ENOMEM in the irlap_open() error handling case instead
of 0(overwrite to 0 by bfin_sir_startup()), as done elsewhere in this
function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver and firmware sync up through SYNC messages, and the
firmware's affirmative reply to these SYNC messages appears to be the
"Reset" indication received via the status interrupt endpoint. Thus the
driver needs the status interrupt endpoint always active so that the
Reset indication can be received even if the netdev is closed, which is
the case right after device insertion.
If the Reset indication is not received by the driver, it continues
sending SYNC messages to the firmware, which crashes about 10 seconds
later and the device stops responding.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Some drivers (sierra_net) need the status interrupt URB
active even when the device is closed, because they receive
custom indications from firmware. Add functions to refcount
the status interrupt URB submit/kill operation so that
sub-drivers and the generic driver don't fight over whether
the status interrupt URB is active or not.
A sub-driver can call usbnet_status_start() at any time, but
the URB is only submitted the first time the function is
called. Likewise, when the sub-driver is done with the URB,
it calls usbnet_status_stop() but the URB is only killed when
all users have stopped it. The URB is still killed and
re-submitted for suspend/resume, as before, with the same
refcount it had at suspend.
Signed-off-by: Dan Williams <dcbw@redhat.com>
Acked-by: Oliver Neukum <oliver@neukum.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
A rebranded Novatel E371 for AT&T's LTE bands. qmi_wwan should drive this
device, while cdc_ether should ignore it. Even though the USB descriptors
are plain CDC-ETHER that USB interface is a QMI interface.
Cc: <stable@vger.kernel.org>
Signed-off-by: Dan Williams <dcbw@redhat.com>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
be_close() followed by be_clear() is called as a part of cleanup in the
EEH/AER flow. This patch stops TX in be_close() before cleaning/freeing
up the TX queues in be_clear(). This prevents be_xmit() from being called
while TX queues no longer exist.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
While cleaning RX queues, the CQ DB may be rung several times (with rearm)
while waiting for the flush compl. Each CQ-notify with rearm can result in
an event. The EQ may get full resulting in a HW error.
Fix this by not re-arming the CQ while notifying a valid completion.
Also, there's no need to wait for 1ms after destroying RXQ, as the code in
be_rx_cq_clean() waits for the flush compl to arrive.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The buffer size for a FW cmd request must be big enough to fit the response,
else the cmd fails. For GET_MAC_LIST cmd, though the memory allocated for
the cmd is big enough to fit the response, the payload_len value in the
WRB hdr is being set to the request length only.
Fix this for GET_MAC_LIST cmd.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When the PF driver calls pci_enable_sriov(), the VFs may be probed
inline before the call returns. So, the resources required for all VFs
must be provisioned by the PF driver *before* calling pci_enable_sriov();
else, VF probe will fail.
Signed-off-by: Sathya Perla <sathya.perla@emulex.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge more incoming from Andrew Morton:
- Various fixes which were stalled or which I picked up recently
- A large rotorooting of the AIO code. Allegedly to improve
performance but I don't really have good performance numbers (I might
have lost the email) and I can't raise Kent today. I held this out
of 3.9 and we could give it another cycle if it's all too late/scary.
I ended up taking only the first two thirds of the AIO rotorooting. I
left the percpu parts and the batch completion for later. - Linus
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (33 commits)
aio: don't include aio.h in sched.h
aio: kill ki_retry
aio: kill ki_key
aio: give shared kioctx fields their own cachelines
aio: kill struct aio_ring_info
aio: kill batch allocation
aio: change reqs_active to include unreaped completions
aio: use cancellation list lazily
aio: use flush_dcache_page()
aio: make aio_read_evt() more efficient, convert to hrtimers
wait: add wait_event_hrtimeout()
aio: refcounting cleanup
aio: make aio_put_req() lockless
aio: do fget() after aio_get_req()
aio: dprintk() -> pr_debug()
aio: move private stuff out of aio.h
aio: add kiocb_cancel()
aio: kill return value of aio_complete()
char: add aio_{read,write} to /dev/{null,zero}
aio: remove retry-based AIO
...
These are mostly new device tree bindings for existing drivers, as well
as changes to the device tree source files to add support for those
devices, and a couple of new boards, most notably Samsung's Exynos5
based Chromebook.
The changes depend on earlier platform specific updates and touch
the usual platforms: omap, exynos, tegra, mxs, mvebu and davinci.
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Merge tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC device tree updates (part 2) from Arnd Bergmann:
"These are mostly new device tree bindings for existing drivers, as
well as changes to the device tree source files to add support for
those devices, and a couple of new boards, most notably Samsung's
Exynos5 based Chromebook.
The changes depend on earlier platform specific updates and touch the
usual platforms: omap, exynos, tegra, mxs, mvebu and davinci."
* tag 'dt-for-linus-2' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (169 commits)
ARM: exynos: dts: cros5250: add EC device
ARM: dts: Add sbs-battery for exynos5250-snow
ARM: dts: Add i2c-arbitrator bus for exynos5250-snow
ARM: dts: add mshc controller node for Exynos4x12 SoCs
ARM: dts: Add chip-id controller node on Exynos4/5 SoC
ARM: EXYNOS: Create virtual I/O mapping for Chip-ID controller using device tree
ARM: davinci: da850-evm: add SPI flash support
ARM: davinci: da850: override SPI DT node device name
ARM: davinci: da850: add SPI1 DT node
spi/davinci: add DT binding documentation
spi/davinci: no wildcards in DT compatible property
ARM: dts: mvebu: Convert mvebu device tree files to 64 bits
ARM: dts: mvebu: introduce internal-regs node
ARM: dts: mvebu: Convert all the mvebu files to use the range property
ARM: dts: mvebu: move all peripherals inside soc
ARM: dts: mvebu: fix cpus section indentation
ARM: davinci: da850: add EHRPWM & ECAP DT node
ARM/dts: OMAP3: fix pinctrl-single configuration
ARM: dts: Add OMAP3430 SDP NOR flash memory binding
ARM: dts: Add NOR flash bindings for OMAP2420 H4
...
