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When configfs is integrated the same values will have to be used
as defaults. Use symbolic names in order not to duplicate magic numbers.
Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Use the new usb_gstring_attach interface.
Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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There are no users of the old interface left, so it can be removed.
Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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compatibility
Converting uac2 to the new function interface requires converting
the USB uac2's function code and its users.
This patch converts the f_uac2.c to the new function interface.
The file is now compiled into a separate usb_f_uac2.ko module.
The old function interface is provided by means of a preprocessor
conditional directives. After all users are converted, the old interface
can be removed.
Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Eliminate static struct *agdev_g from f_uac2.c.
It is used for freeing its memory, but the same address can be found
by calling container_of in afunc_unbind(). This implies eliminating
uac2_unbind_config(). The audio_config_driver in audio.c does not have
its unbind method any more. It has been used only when uac2 is used,
so uac2 itself can handle unbinding in afunc_unbind().
Tested-by: Sebastian Reimers <sebastian.reimers@googlemail.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The variable $(PWD) is useless, and it may break the compilation.
For example, it breaks the kernel compilation when it's done with
buildroot :
/home/trem/Codes/armadeus/armadeus/buildroot/output/host/usr/bin/ccache
/home/trem/Codes/armadeus/armadeus/buildroot/output/host/usr/bin/arm-buildroot-linux-uclibcgnueabi-gcc
-Wp,-MD,drivers/usb/gadget/legacy/.hid.o.d -nostdinc -isystem
/home/trem/Codes/armadeus/armadeus/buildroot/output/host/usr/lib/gcc/arm-buildroot-linux-uclibcgnueabi/4.7.3/include
-I./arch/arm/include -Iarch/arm/include/generated -Iinclude
-I./arch/arm/include/uapi -Iarch/arm/include/generated/uapi
-I./include/uapi -Iinclude/generated/uapi -include
./include/linux/kconfig.h -D__KERNEL__ -mlittle-endian -Wall -Wundef
-Wstrict-prototypes -Wno-trigraphs -fno-strict-aliasing -fno-common
-Werror-implicit-function-declaration -Wno-format-security
-fno-dwarf2-cfi-asm -mabi=aapcs-linux -mno-thumb-interwork -mfpu=vfp
-funwind-tables -marm -D__LINUX_ARM_ARCH__=5 -march=armv5te
-mtune=arm9tdmi -msoft-float -Uarm -fno-delete-null-pointer-checks -O2
--param=allow-store-data-races=0 -Wframe-larger-than=1024
-fno-stack-protector -Wno-unused-but-set-variable -fomit-frame-pointer
-fno-var-tracking-assignments -g -Wdeclaration-after-statement
-Wno-pointer-sign -fno-strict-overflow -fconserve-stack
-Werror=implicit-int -Werror=strict-prototypes -DCC_HAVE_ASM_GOTO
-I/home/trem/Codes/armadeus/armadeus/buildroot/drivers/usb/gadget/
-I/home/trem/Codes/armadeus/armadeus/buildroot/drivers/usb/gadget/udc/
-I/home/trem/Codes/armadeus/armadeus/buildroot/drivers/usb/gadget/function/
-DMODULE -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(hid)"
-D"KBUILD_MODNAME=KBUILD_STR(g_hid)" -c -o
drivers/usb/gadget/legacy/hid.o drivers/usb/gadget/legacy/hid.c
drivers/usb/gadget/epautoconf.c:23:26: erreur fatale: gadget_chips.h :
Aucun fichier ou dossier de ce type
This compilation line include :
..../buildroot/driver/usb/gadget
but the real path is :
..../buildroot/output/build/linux-3.17-rc1/driver/usb/gadget
Signed-off-by: Philippe Reynes <tremyfr@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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If the pending buffers in the queue could not be pushed to the udc
endpoint we have to cancel the uvc_queue. Otherwise the gadget will get
stuck on this error. This patch calls uvc_queue_cancel if usb_ep_queue
failed.
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This reverts commit a9232076374334ca2bc2a448dfde96d38a54349a.
It introduced a dead lock, and did not fix anything.
it made netif_tx_lock() be called in IRQ context, but in softirq context,
the same lock is locked without disabling IRQ. In fact, the commit a923207637
did not fix anything, since netif_stop_queue did not free the any resource
[ 10.154920] =================================
[ 10.156026] [ INFO: inconsistent lock state ]
[ 10.156026] 3.16.0-rc5+ #13 Not tainted
[ 10.156026] ---------------------------------
[ 10.156026] inconsistent {IN-HARDIRQ-W} -> {HARDIRQ-ON-W} usage.
[ 10.156026] swapper/1/0 [HC0[0]:SC1[5]:HE1:SE0] takes:
[ 10.156026] (_xmit_ETHER){?.-...}, at: [<80948b6a>] sch_direct_xmit+0x7a/0x250
[ 10.156026] {IN-HARDIRQ-W} state was registered at:
[ 10.156026] [<804811f0>] __lock_acquire+0x800/0x17a0
[ 10.156026] [<804828ba>] lock_acquire+0x6a/0xf0
[ 10.156026] [<809ed477>] _raw_spin_lock+0x27/0x40
[ 10.156026] [<8088d508>] gether_disconnect+0x68/0x280
[ 10.156026] [<8088e777>] eem_set_alt+0x37/0xc0
[ 10.156026] [<808847ce>] composite_setup+0x30e/0x1240
[ 10.156026] [<8088b8ae>] pch_udc_isr+0xa6e/0xf50
[ 10.156026] [<8048abe8>] handle_irq_event_percpu+0x38/0x1e0
[ 10.156026] [<8048adc1>] handle_irq_event+0x31/0x50
[ 10.156026] [<8048d94b>] handle_fasteoi_irq+0x6b/0x140
[ 10.156026] [<804040a5>] handle_irq+0x65/0x80
[ 10.156026] [<80403cfc>] do_IRQ+0x3c/0xc0
[ 10.156026] [<809ee6ae>] common_interrupt+0x2e/0x34
[ 10.156026] [<804668c5>] finish_task_switch+0x65/0xd0
[ 10.156026] [<809e89df>] __schedule+0x20f/0x7d0
[ 10.156026] [<809e94aa>] schedule_preempt_disabled+0x2a/0x70
[ 10.156026] [<8047bf03>] cpu_startup_entry+0x143/0x410
[ 10.156026] [<809e2e61>] rest_init+0xa1/0xb0
[ 10.156026] [<80ce2a3b>] start_kernel+0x336/0x33b
[ 10.156026] [<80ce22ab>] i386_start_kernel+0x79/0x7d
[ 10.156026] irq event stamp: 52070
[ 10.156026] hardirqs last enabled at (52070): [<809375de>] neigh_resolve_output+0xee/0x2a0
[ 10.156026] hardirqs last disabled at (52069): [<809375a8>] neigh_resolve_output+0xb8/0x2a0
[ 10.156026] softirqs last enabled at (52020): [<8044401f>] _local_bh_enable+0x1f/0x50
[ 10.156026] softirqs last disabled at (52021): [<80404036>] do_softirq_own_stack+0x26/0x30
[ 10.156026]
[ 10.156026] other info that might help us debug this:
[ 10.156026] Possible unsafe locking scenario:
[ 10.156026]
[ 10.156026] CPU0
[ 10.156026] ----
[ 10.156026] lock(_xmit_ETHER);
[ 10.156026] <Interrupt>
[ 10.156026] lock(_xmit_ETHER);
[ 10.156026]
[ 10.156026] *** DEADLOCK ***
[ 10.156026]
[ 10.156026] 4 locks held by swapper/1/0:
[ 10.156026] #0: (((&idev->mc_ifc_timer))){+.-...}, at: [<8044b100>] call_timer_fn+0x0/0x190
[ 10.156026] #1: (rcu_read_lock){......}, at: [<a0577c40>] mld_sendpack+0x0/0x590 [ipv6]
[ 10.156026] #2: (rcu_read_lock_bh){......}, at: [<a055680c>] ip6_finish_output2+0x4c/0x7f0 [ipv6]
[ 10.156026] #3: (rcu_read_lock_bh){......}, at: [<8092e510>] __dev_queue_xmit+0x0/0x5f0
[ 10.156026]
[ 10.156026] stack backtrace:
[ 10.156026] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 3.16.0-rc5+ #13
[ 10.156026] 811dbb10 00000000 9e919d10 809e6785 9e8b8000 9e919d3c 809e561e 80b95511
[ 10.156026] 80b9545a 80b9543d 80b95450 80b95441 80b957e4 9e8b84e0 00000002 8047f7b0
[ 10.156026] 9e919d5c 8048043b 00000002 00000000 9e8b8000 00000001 00000004 9e8b8000
[ 10.156026] Call Trace:
[ 10.156026] [<809e6785>] dump_stack+0x48/0x69
[ 10.156026] [<809e561e>] print_usage_bug+0x18f/0x19c
[ 10.156026] [<8047f7b0>] ? print_shortest_lock_dependencies+0x170/0x170
[ 10.156026] [<8048043b>] mark_lock+0x53b/0x5f0
[ 10.156026] [<804810cf>] __lock_acquire+0x6df/0x17a0
[ 10.156026] [<804828ba>] lock_acquire+0x6a/0xf0
[ 10.156026] [<80948b6a>] ? sch_direct_xmit+0x7a/0x250
[ 10.156026] [<809ed477>] _raw_spin_lock+0x27/0x40
[ 10.156026] [<80948b6a>] ? sch_direct_xmit+0x7a/0x250
[ 10.156026] [<80948b6a>] sch_direct_xmit+0x7a/0x250
[ 10.156026] [<8092e6bf>] __dev_queue_xmit+0x1af/0x5f0
[ 10.156026] [<80947fc0>] ? ether_setup+0x80/0x80
[ 10.156026] [<8092eb0f>] dev_queue_xmit+0xf/0x20
[ 10.156026] [<8093764c>] neigh_resolve_output+0x15c/0x2a0
[ 10.156026] [<a0556927>] ip6_finish_output2+0x167/0x7f0 [ipv6]
[ 10.156026] [<a0559b05>] ip6_finish_output+0x85/0x1c0 [ipv6]
[ 10.156026] [<a0559cb7>] ip6_output+0x77/0x240 [ipv6]
[ 10.156026] [<a0578163>] mld_sendpack+0x523/0x590 [ipv6]
[ 10.156026] [<80480501>] ? mark_held_locks+0x11/0x90
[ 10.156026] [<a057947d>] mld_ifc_timer_expire+0x15d/0x280 [ipv6]
[ 10.156026] [<8044b168>] call_timer_fn+0x68/0x190
[ 10.156026] [<a0579320>] ? igmp6_group_added+0x150/0x150 [ipv6]
[ 10.156026] [<8044b3fa>] run_timer_softirq+0x16a/0x240
[ 10.156026] [<a0579320>] ? igmp6_group_added+0x150/0x150 [ipv6]
[ 10.156026] [<80444984>] __do_softirq+0xd4/0x2f0
[ 10.156026] [<804448b0>] ? tasklet_action+0x100/0x100
[ 10.156026] [<80404036>] do_softirq_own_stack+0x26/0x30
[ 10.156026] <IRQ> [<80444d05>] irq_exit+0x65/0x70
[ 10.156026] [<8042d758>] smp_apic_timer_interrupt+0x38/0x50
[ 10.156026] [<809ee91f>] apic_timer_interrupt+0x2f/0x34
[ 10.156026] [<8048007b>] ? mark_lock+0x17b/0x5f0
[ 10.156026] [<8040a912>] ? default_idle+0x22/0xf0
[ 10.156026] [<8040b13e>] arch_cpu_idle+0xe/0x10
[ 10.156026] [<8047bfc6>] cpu_startup_entry+0x206/0x410
[ 10.156026] [<8042bfbd>] start_secondary+0x19d/0x1e0
Acked-by: Tony Lindgren <tony@atomide.com>
Reported-by: Thomas Gleixner <tglx@linutronix.de>
Cc: Jeff Westfahl <jeff.westfahl@ni.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: <linux-usb@vger.kernel.org>
Signed-off-by: Li RongQing <roy.qing.li@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Pull networking updates from David Miller:
"Highlights:
1) Steady transitioning of the BPF instructure to a generic spot so
all kernel subsystems can make use of it, from Alexei Starovoitov.
2) SFC driver supports busy polling, from Alexandre Rames.
3) Take advantage of hash table in UDP multicast delivery, from David
Held.
4) Lighten locking, in particular by getting rid of the LRU lists, in
inet frag handling. From Florian Westphal.
5) Add support for various RFC6458 control messages in SCTP, from
Geir Ola Vaagland.
6) Allow to filter bridge forwarding database dumps by device, from
Jamal Hadi Salim.
7) virtio-net also now supports busy polling, from Jason Wang.
8) Some low level optimization tweaks in pktgen from Jesper Dangaard
Brouer.
9) Add support for ipv6 address generation modes, so that userland
can have some input into the process. From Jiri Pirko.
10) Consolidate common TCP connection request code in ipv4 and ipv6,
from Octavian Purdila.
11) New ARP packet logger in netfilter, from Pablo Neira Ayuso.
12) Generic resizable RCU hash table, with intial users in netlink and
nftables. From Thomas Graf.
13) Maintain a name assignment type so that userspace can see where a
network device name came from (enumerated by kernel, assigned
explicitly by userspace, etc.) From Tom Gundersen.
14) Automatic flow label generation on transmit in ipv6, from Tom
Herbert.
15) New packet timestamping facilities from Willem de Bruijn, meant to
assist in measuring latencies going into/out-of the packet
scheduler, latency from TCP data transmission to ACK, etc"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next: (1536 commits)
cxgb4 : Disable recursive mailbox commands when enabling vi
net: reduce USB network driver config options.
tg3: Modify tg3_tso_bug() to handle multiple TX rings
amd-xgbe: Perform phy connect/disconnect at dev open/stop
amd-xgbe: Use dma_set_mask_and_coherent to set DMA mask
net: sun4i-emac: fix memory leak on bad packet
sctp: fix possible seqlock seadlock in sctp_packet_transmit()
Revert "net: phy: Set the driver when registering an MDIO bus device"
cxgb4vf: Turn off SGE RX/TX Callback Timers and interrupts in PCI shutdown routine
team: Simplify return path of team_newlink
bridge: Update outdated comment on promiscuous mode
net-timestamp: ACK timestamp for bytestreams
net-timestamp: TCP timestamping
net-timestamp: SCHED timestamp on entering packet scheduler
net-timestamp: add key to disambiguate concurrent datagrams
net-timestamp: move timestamp flags out of sk_flags
net-timestamp: extend SCM_TIMESTAMPING ancillary data struct
cxgb4i : Move stray CPL definitions to cxgb4 driver
tcp: reduce spurious retransmits due to transient SACK reneging
qlcnic: Initialize dcbnl_ops before register_netdev
...
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-next
Felipe writes:
usb: patches for v3.17 merge window
Surprisingly enough, while a big set of patches, the majority is
composed of cleanups (using devm_*, fixing sparse errors, moving
code around, adding const, etc).
The highlights are addition of new support for PLX USB338x devices,
and support for USB 2.0-only configurations of the DWC3 IP core.
Signed-of-by: Felipe Balbi <balbi@ti.com>
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f->os_desc_table[0].if_id is zero by default. If the actual id happens
to be different then no Feature Descriptors will be returned to the host
for this interface, so assign if_id as soon as it is known.
Cc: <stable@vger.kernel.org> # v3.16
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The pcm playback and capture sample size format was fixed
SNDRV_PCM_FMTBIT_S16_LE.
This patch respects also 16, 24 and 32 bit p_ssize and c_ssize values.
Reviewed-by: Takashi Iwai <tiwai@suse.de>
Signed-off-by: Sebastian Reimers <sebastian.reimers@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The drivers/usb/gadget directory contains many files.
Files which are related can be distributed into separate directories.
This patch moves the USB functions implementations into a separate directory.
Signed-off-by: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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