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Switch back to pre commit 1c7b13fe652 list splicing logic for active I/O
shutdown with tcm_qla2xxx + ib_srpt fabrics.
The original commit was done under the incorrect assumption that it's safe to
walk se_sess->sess_cmd_list unprotected in target_wait_for_sess_cmds() after
sess->sess_tearing_down = 1 has been set by target_sess_cmd_list_set_waiting()
during session shutdown.
So instead of adding sess->sess_cmd_lock protection around sess->sess_cmd_list
during target_wait_for_sess_cmds(), switch back to sess->sess_wait_list to
allow wait_for_completion() + TFO->release_cmd() to occur without having to
walk ->sess_cmd_list after the list_splice.
Also add a check to exit if target_sess_cmd_list_set_waiting() has already
been called, and add a WARN_ON to check for any fabric bug where new se_cmds
are added to sess->sess_cmd_list after sess->sess_tearing_down = 1 has already
been set.
Cc: Joern Engel <[email protected]>
Cc: Roland Dreier <[email protected]>
Cc: [email protected]
Signed-off-by: Nicholas Bellinger <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl
Pull pin-control fixes from Linus Walleij:
- Six patches fixing up the suspend/resume and wakeup handling of the
Samsung and Exynos drivers.
- Errorpath fixes for four different drivers. All on the probe()
errorpath.
- Make the debugfs code for pin config take the right mutex.
* tag 'pinctrl-fixes-v3.10-3' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
pinctrl: pinconf: take the right mutex
pinctrl: sunxi: fix error return code in sunxi_pinctrl_probe()
pinctrl: exynos: Handle suspend/resume of GPIO EINT registers
pinctrl: samsung: Allow per-bank SoC-specific private data
pinctrl: samsung: Add support for SoC-specific suspend/resume callbacks
pinctrl: Don't override the error code in probe error handling
ARM: EXYNOS: Fix EINT wake-up mask configuration when pinctrl is used
pinctrl: exynos: Add support for set_irq_wake of wake-up EINTs
pinctrl: samsung: fix suspend/resume functionality
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into drm-next
just a few minor fixes for radeon.
* 'drm-fixes-3.10' of git://people.freedesktop.org/~agd5f/linux:
radeon: use max_bus_speed to activate gen2 speeds
drm/radeon: narrow scope of Apple re-POST hack
drm/radeon: don't check crtcs in card_posted() on cards without DCE
drm/radeon: fix card_posted check for newer asics
drm/radeon: fix typo in cu_per_sh on verde
drm/radeon: UVD block on SUMO2 is the same as on SUMO
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With the addition of a DVO clock, a bug is now evident in the vt8500
clock code:
[ 0.290000] WARNING: at init/main.c:698 do_one_initcall+0x158/0x18c()
[ 0.300000] initcall wm8505fb_driver_init+0x0/0xc returned with disabled int
This is caused by an unbalanced spinlock in vt8500_dclk_set_rate().
Replace the second call to spin_lock_irqsave() with spin_unlock_irqrestore().
Signed-off-by: Tony Prisk <[email protected]>
Signed-off-by: Mike Turquette <[email protected]>
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menu_add_prop() applies upper menus' visibilities to actual prompts
by AND-ing the prompts visibilities with the upper menus ones.
This creates a further reference to the menu's visibilities and when
the expression reduction functions do their work, they may remove or
modify expressions that have multiple references, thus causing
unpredictable side-effects.
The following example Kconfig constructs a case where this causes
problems: a menu and a prompt which's visibilities depend on the same
symbol. When invoking mconf with this Kconfig and pressing "Z" we
see a problem caused by a free'd expression still referenced by the
menu's visibility:
------------------------------------------------------------------------
mainmenu "Kconfig Testing Configuration"
config VISIBLE
def_bool n
config Placeholder
bool "Place holder"
menu "Invisible"
visible if VISIBLE
config TEST_VAR
bool "Test option" if VISIBLE
endmenu
------------------------------------------------------------------------
This patch fixes this problem by creating copies of the menu's
visibility expressions before AND-ing them with the prompt's one.
Signed-off-by: Dirk Gouders <[email protected]>
[[email protected]: move variable into its block-scope,
keep lines <80 chars, typo]
Tested-by: "Yann E. MORIN" <[email protected]>
Reviewed-by: "Yann E. MORIN" <[email protected]>
Signed-off-by: "Yann E. MORIN" <[email protected]>
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When entering an empty dialog, using the movement keys resulted in
unexpected characters beeing displayed, other keys like "z" and "h"
did not work as expected.
This patch handles the movement keys as well as other keys, especially
"z", "h" and "/".
Signed-off-by: Dirk Gouders <[email protected]>
[[email protected]: keep lines <80 chars, so reorder test]
Tested-by: "Yann E. MORIN" <[email protected]>
Reviewed-by: "Yann E. MORIN" <[email protected]>
Signed-off-by: "Yann E. MORIN" <[email protected]>
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clock-frequency property from platform data was read but never used.
Apply defined rate when clock is registered.
Signed-off-by: Marek Belisko <[email protected]>
Acked-by: Sebastian Hesselbarth <[email protected]>
Signed-off-by: Mike Turquette <[email protected]>
[[email protected]: add missing changelog]
Cc: [email protected]
Signed-off-by: Mike Turquette <[email protected]>
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Rate was incorrectly computed because we read from wrong divider register.
Signed-off-by: Marek Belisko <[email protected]>
Acked-by: Sebastian Hesselbarth <[email protected]>
Signed-off-by: Mike Turquette <[email protected]>
Cc: [email protected]
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We need to pass the full open mode flags to nfs_may_open() when doing
a delegated open.
Signed-off-by: Trond Myklebust <[email protected]>
Cc: [email protected]
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The branch selftest calls trace_test_buffer(), but with the new code
it expects the first parameter to be a pointer to a struct trace_buffer.
All self tests were changed but the branch selftest was missed.
This caused either a crash or failed test when the branch selftest was
enabled.
Link: http://lkml.kernel.org/r/20130529141333.GA24064@localhost
Reported-by: Fengguang Wu <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
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Apparently we should not free page that has not been allocated.
This is b/c alloc_xenballooned_pages will take care of freeing
the page on its own.
Signed-off-by: Wei Liu <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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Currently no driver *) handles the sysreg clock, with an assumption
that this clock is always left in its default state (enabled).
Before commit 6e6aac7590f902d14d90bace3fd499
ARM: EXYNOS: Migrate clock support to common clock framework
the sysreg clock was not even defined and hence wasn't handled
explicitly in the kernel.
To restore the previous behaviour disable masking the sysreg clock
off in the clock core by default.
*) Except the Exynos4x12 FIMC-IS driver, which will be modified
to not touch the sysreg clock.
Signed-off-by: Sylwester Nawrocki <[email protected]>
Signed-off-by: Kyungmin Park <[email protected]>
Signed-off-by: Mike Turquette <[email protected]>
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Fix clk_reg_sysctrl() to set main clock registers of new struct
clk_sysctrl even if the registered clock has no parents.
This fixes an issue where "ulpclk" was registered with all clk->reg_*
fields uninitialized, causing a -EINVAL error from clk_prepare().
Signed-off-by: Fabio Baltieri <[email protected]>
Acked-by: Ulf Hansson <[email protected]>
Signed-off-by: Mike Turquette <[email protected]>
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First Ethernet device has a ".0" appended onto the device name. It
appears that we need this in order to obtain the correct clock.
Without this fix Ethernet does not function on Ux500 devices, which is a
regression.
Cc: Ulf Hansson <[email protected]>
Signed-off-by: Lee Jones <[email protected]>
Signed-off-by: Mike Turquette <[email protected]>
[[email protected]: improved changelog]
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radeon currently uses a drm function to get the speed capabilities for
the bus, drm_pcie_get_speed_cap_mask. However, this is a non-standard
method of performing this detection and this patch changes it to use
the max_bus_speed attribute.
From: Lucas Kannebley Tavares <[email protected]>
Signed-off-by: Kleber Sacilotto de Souza <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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This narrows the scope of the apple re-POST hack added in:
drm/radeon: re-POST the asic on Apple hardware when booted via EFI
That patch prevents UVD from working on macs when booted in EFI
mode. The original patch fixed macbook2,1 systems which were
r5xx and hence have no UVD. Limit the hack to those systems to
prevent UVD breakage on newer systems.
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=63935
Cc: Matthew Garrett <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Acked-by: Matthew Garrett <[email protected]>
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kfree_rcu() requires offsetof(..., rcu_head) < 4096, which can
get violated with a sufficiently high CONFIG_IP_VS_SH_TAB_BITS.
Signed-off-by: Jan Beulich <[email protected]>
Signed-off-by: Simon Horman <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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Skip checking crtcs in hardware without them. Avoids checking
non-existent hardware.
Signed-off-by: Alex Deucher <[email protected]>
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Newer asics have variable numbers of crtcs. Use that
rather than the asic family to determine which crtcs
to check. This avoids checking non-existent crtcs or
missing crtcs on certain asics.
Reviewed-by: Michel Dänzer <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
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Should be 5 rather than 2.
Noticed by sroland and glisse on IRC.
Signed-off-by: Alex Deucher <[email protected]>
Cc: [email protected]
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The chip id for SUMO2 isn't used.
fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=63935
Tested-By: Dave Witbrodt <[email protected]>
Signed-off-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless into for-davem
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As of f025adf191924e3a75ce80e130afcd2485b53bb8 "sunrpc: Properly decode
kuids and kgids in RPC_AUTH_UNIX credentials" any rpc containing a -1
(0xffff) uid or gid would fail with a badcred error.
Reported symptoms were xmbc clients failing on upgrade of the NFS
server; examination of the network trace showed them sending -1 as the
gid.
Reported-by: Julian Sikorski <[email protected]>
Tested-by: Julian Sikorski <[email protected]>
Cc: "Eric W. Biederman" <[email protected]>
Cc: [email protected]
Signed-off-by: J. Bruce Fields <[email protected]>
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Signed-off-by: Jan Beulich <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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Commit f447d56d36af18c5104ff29dcb1327c0c0ac3634 introduced the
implementation of the PV apic ipi interface. But there were some
odd things (it seems none of which cause really any issue but
maybe they should be cleaned up anyway):
- xen_send_IPI_mask_allbutself (and by that xen_send_IPI_allbutself)
ignore the passed in vector and only use the CALL_FUNCTION_SINGLE
vector. While xen_send_IPI_all and xen_send_IPI_mask use the vector.
- physflat_send_IPI_allbutself is declared unnecessarily. It is never
used.
This patch tries to clean up those things.
Signed-off-by: Stefan Bader <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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Save the xenstore local status computed in xenbus_init. It can then be used
later to check if xenstored is running in this domain.
Signed-off-by: Aurelien Chartier <[email protected]>
[Changes in v4:
- Change variable name to xen_store_domain_type]
Reviewed-by: David Vrabel <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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If the xenbus frontend is located in a domain running xenstored, the device
resume is hanging because it is happening before the process resume. This
patch adds extra logic to the resume code to check if we are the domain
running xenstored and delay the resume if needed.
Signed-off-by: Aurelien Chartier <[email protected]>
[Changes in v2:
- Instead of bypassing the resume, process it in a workqueue]
[Changes in v3:
- Add a struct work in xenbus_device to avoid dynamic allocation
- Several small code fixes]
[Changes in v4:
- Use a dedicated workqueue]
[Changes in v5:
- Move create_workqueue error handling to xenbus_frontend_dev_resume]
Acked-by: Jan Beulich <[email protected]>
Signed-off-by: Konrad Rzeszutek Wilk <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/broonie/sound into for-linus
ASoC: Updates for v3.10
A series of driver specific updates, none particularly critical, plus
one fix to the compressed API code to handle capture streams properly
which is very safe for mainline as there's no current users.
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In dump_ipv6_packet(), the "recurse" parameter is zero only if
dumping contents of a packet embedded into an ICMPv6 error
message. Therefore we want to log packet mark if recurse is
non-zero, not when it is zero.
Signed-off-by: Michal Kubecek <[email protected]>
Signed-off-by: Pablo Neira Ayuso <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM Exynos fixes from Olof Johansson:
"Here's a shorter set of fixes for 3.10, all for Samsung Exynos
platforms.
It also includes a defconfig update so that exynos_defconfig provides
a meaningful set of drivers to boot an unmodified kernel on the
Samsung ARM-based Chromebooks."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: exynos: defconfig update
ARM: SAMSUNG: Add names to fimd0 IRQ resources
ARM: EXYNOS: fix software reset logic for EXYNOS5440 SOC
ARM: EXYNOS: Fix support of Exynos4210 rev0 SoC
ARM: dts: Enabling samsung-usb2phy driver for exynos5250
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into linux-fbdev/for-3.10-fixes
Pull Tomi fixes for ps3fb and omap2
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <[email protected]>
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Increase the current arbitrary limit for isocronous packet size to a
value large enough to account for USB 3.0 super bandwidth streams,
bMaxBurst (0~15 allowed, 1~16 packets)
bmAttributes (bit 1:0, mult 0~2, 1~3 packets)
so the size max for one USB 3 isocronous transfer is
1024 byte * 16 * 3 = 49152 byte
Acked-by: Alan Stern <[email protected]>
Signed-off-by: Federico Manzan <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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git://git.linaro.org/people/jstultz/linux into timers/urgent
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We currently allow changing the mq flag (IFF_MULTI_QUEUE) for a persistent
device. This will result a mismatch between the number the queues in netdev and
tuntap. This is because we only allocate a 1q netdevice when IFF_MULTI_QUEUE was
not specified, so when we set the IFF_MULTI_QUEUE and try to attach more queues
later, netif_set_real_num_tx_queues() may fail which result a single queue
netdevice with multiple sockets attached.
Solve this by disallowing changing the mq flag for persistent device.
Bug was introduced by commit edfb6a148ce62e5e19354a1dcd9a34e00815c2a1
(tuntap: reduce memory using of queues).
Reported-by: Sriram Narasimhan <[email protected]>
Cc: Michael S. Tsirkin <[email protected]>
Signed-off-by: Jason Wang <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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The three arrays of strings: af_family_key_strings,
af_family_slock_key_strings and af_family_clock_key_strings have not
VSOCK's string
Signed-off-by: Federico Vaga <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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Compiling for targets that use the local gpio code (not GPIOLIB) fail to
compile with:
CC arch/m68k/platform/coldfire/device.o
In file included from include/linux/gpio.h:45:0,
from arch/m68k/platform/coldfire/device.c:15:
/home/gerg/new-wave.git/linux-3.x/arch/m68k/include/asm/gpio.h:89:19: error: static declaration of ‘gpio_request_one’ follows non-static declaration
include/asm-generic/gpio.h:195:12: note: previous declaration of ‘gpio_request_one’ was here
Fix by conditionally using the local gpio_request_one() function based on
!CONFIG_GPIOLIB.
Signed-off-by: Greg Ungerer <[email protected]>
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To: [email protected]
Cc: [email protected], [email protected], Andy Lutomirski <[email protected]>, [email protected], "David S.
Miller" <[email protected]>
Subject: [PATCH 5/5] net: Block MSG_CMSG_COMPAT in send(m)msg and recv(m)msg
MSG_CMSG_COMPAT is (AFAIK) not intended to be part of the API --
it's a hack that steals a bit to indicate to other networking code
that a compat entry was used. So don't allow it from a non-compat
syscall.
This prevents an oops when running this code:
int main()
{
int s;
struct sockaddr_in addr;
struct msghdr *hdr;
char *highpage = mmap((void*)(TASK_SIZE_MAX - 4096), 4096,
PROT_READ | PROT_WRITE,
MAP_PRIVATE | MAP_ANONYMOUS | MAP_FIXED, -1, 0);
if (highpage == MAP_FAILED)
err(1, "mmap");
s = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP);
if (s == -1)
err(1, "socket");
addr.sin_family = AF_INET;
addr.sin_port = htons(1);
addr.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
if (connect(s, (struct sockaddr*)&addr, sizeof(addr)) != 0)
err(1, "connect");
void *evil = highpage + 4096 - COMPAT_MSGHDR_SIZE;
printf("Evil address is %p\n", evil);
if (syscall(__NR_sendmmsg, s, evil, 1, MSG_CMSG_COMPAT) < 0)
err(1, "sendmmsg");
return 0;
}
Cc: David S. Miller <[email protected]>
Signed-off-by: Andy Lutomirski <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
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As rcu_dereference_raw() under RCU debug config options can add quite a
bit of checks, and that tracing uses rcu_dereference_raw(), these checks
happen with the function tracer. The function tracer also happens to trace
these debug checks too. This added overhead can livelock the system.
Have the function tracer use the new RCU _notrace equivalents that do
not do the debug checks for RCU.
Link: http://lkml.kernel.org/r/[email protected]
Acked-by: Paul E. McKenney <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
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hlist_for_each_entry_rcu()
As rcu_dereference_raw() under RCU debug config options can add quite a
bit of checks, and that tracing uses rcu_dereference_raw(), these checks
happen with the function tracer. The function tracer also happens to trace
these debug checks too. This added overhead can livelock the system.
Add a new interface to RCU for both rcu_dereference_raw_notrace() as well
as hlist_for_each_entry_rcu_notrace() as the hlist iterator uses the
rcu_dereference_raw() as well, and is used a bit with the function tracer.
Link: http://lkml.kernel.org/r/[email protected]
Acked-by: Paul E. McKenney <[email protected]>
Signed-off-by: Steven Rostedt <[email protected]>
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The control-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The control and bulk-message timeouts are specified in milliseconds and
should not depend on HZ.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The bulk-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The control-message timeout is specified in milliseconds and should not
depend on HZ.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Fix regression introduced by commit 0eafe4de1a ("USB: serial: mos7840:
add support for MCS7810 devices") which used stack-allocated buffers for
control messages.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The read_mos_reg function is called with stack-allocated buffers, which
must not be used for control messages.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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Fix regression introduced by commit 214916f2e ("USB: visor: reimplement
using generic framework") which broke initialisation of Treo/Kyocera
devices that re-mapped bulk-in endpoints.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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The first and second interrupt-in urbs are swapped for some Treo/Kyocera
devices, but the urb context was never updated with the new port.
Cc: [email protected]
Signed-off-by: Johan Hovold <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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This patch reverts commit 3e619d04159be54b3daa0b7036b0ce9e067f4b5d
(USB: EHCI: fix bug in scheduling periodic split transfers). The
commit was valid -- it fixed a real bug -- but the periodic scheduler
in ehci-hcd is in such bad shape (especially the part that handles
split transactions) that fixing one bug is very likely to cause
another to surface. That's what happened in this case; the result was
choppy and noisy playback on certain 24-bit audio devices.
The only real fix will be to rewrite this entire section of code. My
next project...
This fixes https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1136110.
Thanks to Tim Richardson for extra testing and feedback, and to Joseph
Salisbury and Tyson Tan for tracking down the original source of the
problem.
Signed-off-by: Alan Stern <[email protected]>
CC: Joseph Salisbury <[email protected]>
CC: Tim Richardson <[email protected]>
Cc: stable <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/sarah/xhci into usb-linus
Sarah writes:
xhci: Misc bug fixes for 3.10.
Hi Greg,
Here's four xHCI bug fixes that should be queued for 3.10.
The first two are generic bug fixes, and have been in my queue for a while
because I've been doing the OPW internship coordination. I suspect you'll be
seeing more pull requests from me now that the intern selection process is
almost over. :)
The last two patches fix a nasty kernel crash on resume from S3 for TI hosts
that have the compliance mode quirk. Tony has confirmed that the patches fix
the issue on the effected systems.
All four patches are marked for stable.
Sarah Sharp
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git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into usb-linus
Felipe writes:
usb: fixes for v3.10-rc4
Fix for a long standing bug where we would try to free
resources which we never allocated for DWC3's physical
endpoints 0 and 1.
DWC3 also learned that when calling glue layer's ->remove()
method, ordering of the teardown logic matters. This fixes
a bug where we would try to act on bogus PHY resources.
Lastly, MUSB learns about proper URB handling when the URB's
buffer sits in highmen. In order to fix the bug, use_sg flag
is moved down to the URB.
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