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Loading be16 values from byte buffers may cause unaligned accesses, so use
get_unaligned_be16() to avoid problems on architectures that do not support
these.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Before commit 5c29e47e6ac55b63c76999eb5b283a80208726c5 ("mfd: cros_ec_spi:
Warnings fix"), 64-bit compiles gave the following warnings:
drivers/mfd/cros_ec_spi.c: In function 'cros_ec_spi_receive_response':
drivers/mfd/cros_ec_spi.c:123:5: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long int' [-Wformat]
drivers/mfd/cros_ec_spi.c:157:3: warning: format '%d' expects argument of type 'int', but argument 6 has type 'long int' [-Wformat]
drivers/mfd/cros_ec_spi.c:181:2: warning: format '%d' expects argument of type 'int', but argument 4 has type 'long int' [-Wformat]
After that commit, 32-bit compiles give:
drivers/mfd/cros_ec_spi.c: In function ‘cros_ec_spi_receive_response’:
drivers/mfd/cros_ec_spi.c:123: warning: format ‘%ld’ expects type ‘long int’, but argument 4 has type ‘int’
drivers/mfd/cros_ec_spi.c:157: warning: format ‘%ld’ expects type ‘long int’, but argument 6 has type ‘int’
drivers/mfd/cros_ec_spi.c:181: warning: format ‘%ld’ expects type ‘long int’, but argument 4 has type ‘int’
Use %z to format pointer differences to kill the warnings on both 32-bit
and 64-bit.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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Gcc < 4.3 doesn't understand binary constanrs (0b*):
drivers/mfd/si476x-cmd.c:153:22: error: invalid suffix "b11111" on integer constant
drivers/mfd/si476x-cmd.c:775:20: error: invalid suffix "b00001000" on integer constant
drivers/mfd/si476x-cmd.c:776:20: error: invalid suffix "b00000100" on integer constant
drivers/mfd/si476x-cmd.c:777:21: error: invalid suffix "b00000010" on integer constant
drivers/mfd/si476x-cmd.c:778:21: error: invalid suffix "b00000001" on integer constant
drivers/mfd/si476x-cmd.c:780:17: error: invalid suffix "b10000000" on integer constant
drivers/mfd/si476x-cmd.c:781:22: error: invalid suffix "b00100000" on integer constant
...
Hence use hexadecimal constants (0x*) instead.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Andrey Smirnov <andrew.smirnov@gmail.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending
Pull target fixes from Nicholas Bellinger:
"A handful of fixes + minor changes this time around, along with one
important >= v3.9 regression fix for IBLOCK backends. The highlights
include:
- Use FD_MAX_SECTORS in FILEIO for block_device as
well as files (agrover)
- Fix processing of out-of-order CmdSNs with
iSBD driver (shlomo)
- Close long-standing target_put_sess_cmd() vs.
core_tmr_abort_task() race with the addition of
kref_put_spinlock_irqsave() (joern + greg-kh)
- Fix IBLOCK WCE=1 + DPOFUA=1 backend WRITE
regression in >= v3.9 (nab + bootc)
Note these four patches are CC'ed to stable.
Also, there is still some work left to be done on the active I/O
shutdown path in target_wait_for_sess_cmds() used by tcm_qla2xxx +
ib_isert fabrics that is still being discussed on the list, and will
hopefully be resolved soon."
* 'queue' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
target: close target_put_sess_cmd() vs. core_tmr_abort_task() race
target: removed unused transport_state flag
target/iblock: Fix WCE=1 + DPOFUA=1 backend WRITE regression
MAINTAINERS: Update target git tree URL
iscsi-target: Fix typos in RDMAEXTENSIONS macro usage
target/rd: Add ramdisk bit for NULLIO operation
iscsi-target: Fix processing of OOO commands
iscsi-target: Make buf param of iscsit_do_crypto_hash_buf() const void *
iscsi-target: Fix NULL pointer dereference in iscsit_send_reject
target: Have dev/enable show if TCM device is configured
target: Use FD_MAX_SECTORS/FD_BLOCKSIZE for blockdevs using fileio
target: Remove unused struct members in se_dev_entry
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CONFIG_MFD_CORE must be selected for TPS65912 to properly buid.
Otherwise it results in a link error:
drivers/built-in.o: In function `tps65912_device_init':
(.text+0x587e4): undefined reference to `mfd_add_devices'
drivers/built-in.o: In function `tps65912_device_init':
(.text+0x5884c): undefined reference to `mfd_remove_devices'
drivers/built-in.o: In function `tps65912_device_exit':
(.text+0x58878): undefined reference to `mfd_remove_devices'
Signed-off-by: David Rientjes <rientjes@google.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
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* acpi-fixes:
ACPI / scan: Fix memory leak on acpi_scan_init_hotplug() error path
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* pm-cpufreq:
cpufreq: Preserve sysfs files across suspend/resume
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commit 54309fa6 ("net: fec: fix kernel oops when plug/unplug cable many times")
introduced the following 'if' block in the beginning of fec_start():
if (netif_running(ndev)) {
netif_device_detach(ndev);
napi_disable(&fep->napi);
netif_stop_queue(ndev);
netif_tx_lock_bh(ndev);
}
Then later in the end of fec_restart() there is another block that calls the
opposite of each one of these functions.
The correct approach would be to also call them with in the reverse order, so
that we have as result:
if (netif_running(ndev)) {
netif_tx_unlock_bh(ndev);
netif_wake_queue(ndev);
napi_enable(&fep->napi);
netif_device_attach(ndev);
}
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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fec_restart() runs in softirq context and we should use the
netif_tx_lock_bh/netif_tx_unlock_bh() variants to avoid the following warning
that happens since commit 54309fa6 ("net: fec: fix kernel oops when plug/unplug
cable many times"):
[ 9.753168] =================================
[ 9.757540] [ INFO: inconsistent lock state ]
[ 9.761921] 3.10.0-rc1-next-20130514 #13 Not tainted
[ 9.766897] ---------------------------------
[ 9.771264] inconsistent {SOFTIRQ-ON-W} -> {IN-SOFTIRQ-W} usage.
[ 9.777288] swapper/0 [HC0[0]:SC1[3]:HE1:SE0] takes:
[ 9.782261] (_xmit_ETHER#2){+.?...}, at: [<c03c24a4>] sch_direct_xmit+0xa0/0x2d4
[ 9.789879] {SOFTIRQ-ON-W} state was registered at:
[ 9.794769] [<c0059c60>] __lock_acquire+0x528/0x1bc0
[ 9.799953] [<c005b838>] lock_acquire+0xa0/0x108
[ 9.804780] [<c0441320>] _raw_spin_lock+0x28/0x38
[ 9.809702] [<c02f9fc8>] fec_restart+0x5d0/0x664
[ 9.814542] [<c02fa738>] fec_enet_adjust_link+0xa8/0xc0
[ 9.819978] [<c02f7a28>] phy_state_machine+0x2fc/0x370
[ 9.825323] [<c0035ee0>] process_one_work+0x1c0/0x4a0
[ 9.830589] [<c0036594>] worker_thread+0x138/0x394
[ 9.835587] [<c003c620>] kthread+0xa4/0xb0
[ 9.839890] [<c000e820>] ret_from_fork+0x14/0x34
[ 9.844728] irq event stamp: 185984
[ 9.848226] hardirqs last enabled at (185984): [<c00232b0>] local_bh_enable_ip+0x84/0xf0
[ 9.856450] hardirqs last disabled at (185983): [<c0023270>] local_bh_enable_ip+0x44/0xf0
[ 9.864667] softirqs last enabled at (185966): [<c0023470>] irq_enter+0x64/0x68
[ 9.872099] softirqs last disabled at (185967): [<c0023510>] irq_exit+0x9c/0xd8
[ 9.879440]
[ 9.879440] other info that might help us debug this:
[ 9.885981] Possible unsafe locking scenario:
[ 9.885981]
[ 9.891912] CPU0
[ 9.894364] ----
[ 9.896814] lock(_xmit_ETHER#2);
[ 9.900259] <Interrupt>
[ 9.902884] lock(_xmit_ETHER#2);
[ 9.906500]
[ 9.906500] *** DEADLOCK ***
Reported-by: Shawn Guo <shawn.guo@linaro.org>
Suggested-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The bug here is this code from ipg_nic_hard_start_xmit():
txfd->tfc &= cpu_to_le64(~IPG_TFC_TFDDONE);
IPG_TFC_TFDDONE is 0x0000000080000000 so it's an unsigned int. The
negated value is 0x7fffffff but 0xffffffff7fffffff was intended.
The other values in this file don't need to be changed but I did it for
consistency.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull timer fixes from Thomas Gleixner:
- Cure for not using zalloc in the first place, which leads to random
crashes with CPUMASK_OFF_STACK.
- Revert a user space visible change which broke udev
- Add a missing cpu_online early return introduced by the new full
dyntick conversions
- Plug a long standing race in the timer wheel cpu hotplug code.
Sigh...
- Cleanup NOHZ per cpu data on cpu down to prevent stale data on cpu
up.
* 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
time: Revert ALWAYS_USE_PERSISTENT_CLOCK compile time optimizaitons
timer: Don't reinitialize the cpu base lock during CPU_UP_PREPARE
tick: Don't invoke tick_nohz_stop_sched_tick() if the cpu is offline
tick: Cleanup NOHZ per cpu data on cpu down
tick: Use zalloc_cpumask_var for allocating offstack cpumasks
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Pull ARM fixes from Russell King:
"A small number of fixes for stuff from the last merge window, and in
one case (IRQ time accounting) the previous merge window."
* 'fixes' of git://git.linaro.org/people/rmk/linux-arm:
ARM: 7720/1: ARM v6/v7 cmpxchg64 shouldn't clear upper 32 bits of the old/new value
ARM: 7715/1: MCPM: adapt to GIC changes after upstream merge
ARM: 7714/1: mmc: mmci: Ensure return value of regulator_enable() is checked
ARM: 7712/1: Remove trailing whitespace in arch/arm/Makefile
ARM: 7711/1: dove: fix Dove cpu type from V7 to PJ4
ARM: finally enable IRQ time accounting config
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git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client
Pull Ceph fixes from Sage Weil:
"Yes, this is a much larger pull than I would like after -rc1. There
are a few things included:
- a few fixes for leaks and incorrect assertions
- a few patches fixing behavior when mapped images are resized
- handling for cloned/layered images that are flattened out from
underneath the client
The last bit was non-trivial, and there is some code movement and
associated cleanup mixed in. This was ready and was meant to go in
last week but I missed the boat on Friday. My only excuse is that I
was waiting for an all clear from the testing and there were many
other shiny things to distract me.
Strictly speaking, handling the flatten case isn't a regression and
could wait, so if you like we can try to pull the series apart, but
Alex and I would much prefer to have it all in as it is a case real
users will hit with 3.10."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/sage/ceph-client: (33 commits)
rbd: re-submit flattened write request (part 2)
rbd: re-submit write request for flattened clone
rbd: re-submit read request for flattened clone
rbd: detect when clone image is flattened
rbd: reference count parent requests
rbd: define parent image request routines
rbd: define rbd_dev_unparent()
rbd: don't release write request until necessary
rbd: get parent info on refresh
rbd: ignore zero-overlap parent
rbd: support reading parent page data for writes
rbd: fix parent request size assumption
libceph: init sent and completed when starting
rbd: kill rbd_img_request_get()
rbd: only set up watch for mapped images
rbd: set mapping read-only flag in rbd_add()
rbd: support reading parent page data
rbd: fix an incorrect assertion condition
rbd: define rbd_dev_v2_header_info()
rbd: get rid of trivial v1 header wrappers
...
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The file permissions of cpufreq per-cpu sysfs files are not preserved
across suspend/resume because we internally go through the CPU
Hotplug path which reinitializes the file permissions on CPU online.
But the user is not supposed to know that we are using CPU hotplug
internally within suspend/resume (IOW, the kernel should not silently
wreck the user-set file permissions across a suspend cycle).
Therefore, we need to preserve the file permissions as they are
across suspend/resume.
The simplest way to achieve that is to just not touch the sysfs files
at all - ie., just ignore the CPU hotplug notifications in the
suspend/resume path (_FROZEN) in the cpufreq hotplug callback.
Reported-by: Robert Jarzmik <robert.jarzmik@intel.com>
Reported-by: Durgadoss R <durgadoss.r@intel.com>
Signed-off-by: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Following commit 6b772e8f9 (ACPI: Update PNPID match handling for
notify), the acpi_scan_init_hotplug() calls acpi_set_pnp_ids() which
allocates acpi_hardware_id and copies a few strings (kstrdup). If the
devices does not have hardware_id set, the function exits without
freeing the previously allocated ids (and kmemleak complains). This
patch calls simply changes 'return' on error to a 'goto out' which
calls acpi_free_pnp_ids().
Reported-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Toshi Kani <toshi.kani@hp.com>
Tested-by: Toshi Kani <toshi.kani@hp.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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Fix issue with adding multiple ntb client devices to the ntb virtual
bus. Previously, multiple devices would be added with the same name,
resulting in crashes. To get around this issue, add a unique number to
the device when it is added.
Signed-off-by: Jon Mason <jon.mason@intel.com>
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The ntb_netdev device is not removed from the global list of devices
upon device removal. If the device is re-added, the removal code would
find the first instance and try to remove an already removed device.
Signed-off-by: Jon Mason <jon.mason@intel.com>
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The system will appear to lockup for long periods of time due to the NTB
driver spending too much time in memcpy. Avoid this by reducing the
number of packets that can be serviced on a given interrupt.
Signed-off-by: Jon Mason <jon.mason@intel.com>
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The ring logic of the NTB receive buffer/transmit memory window requires
there to be at least 2 payload sized allotments. For the minimal size
case, split the buffer into two and set the transport_mtu to the
appropriate size.
Signed-off-by: Jon Mason <jon.mason@intel.com>
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If the NTB link toggles, the driver could stop receiving due to the
tx_index not being set to 0 on the transmitting size on a link-up event.
This is due to the driver expecting the incoming data to start at the
beginning of the receive buffer and not at a random place.
Signed-off-by: Jon Mason <jon.mason@intel.com>
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Each link-up will allocate a new NTB receive buffer when the NTB
properties are negotiated with the remote system. These allocations did
not check for existing buffers and thus did not free them. Now, the
driver will check for an existing buffer and free it if not of the
correct size, before trying to alloc a new one.
Signed-off-by: Jon Mason <jon.mason@intel.com>
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64bit BAR sizes are permissible with an NTB device. To support them
various modifications and clean-ups were required, most significantly
using 2 32bit scratch pad registers for each BAR.
Also, modify the driver to allow more than 2 Memory Windows.
Signed-off-by: Jon Mason <jon.mason@intel.com>
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->remote_rx_info and ->rx_info are struct ntb_rx_info pointers. If we
add sizeof(struct ntb_rx_info) then it goes too far.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jon Mason <jon.mason@intel.com>
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These tests are off by one. If "mw" is equal to NTB_NUM_MW then we
would go beyond the end of the ndev->mw[] array.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jon Mason <jon.mason@intel.com>
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Correct instances of variable dereferencing before checking its value on
the functions exported to the client drivers. Also, add sanity checks
for all exported functions.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Jon Mason <jon.mason@intel.com>
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Commit 84ebc10294a3d7be4c66f51070b7aedbaa24de9b (USB: remove
CONFIG_USB_SUSPEND option) failed to remove all of the usages of
USB_SUSPEND throughout the kernel. This patch (as1677) removes the
remaining instances of that symbol.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The isochronous scheduling logic in ohci-hcd has a bug. The
calculation for skipping TDs that are too late should be carried out
only in the !URB_ISO_ASAP case. When URB_ISO_ASAP is set, the URB is
pushed back so that none of the TDs are too late, which would cause
the calculation to overflow.
The patch also fixes the calculation to avoid overflow in the case
where the frame value wraps around.
This should be applied to -stable kernels going back to 3.8.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Commits c44b225077bb1fb25ed5cd5c4f226897b91bedd4 (UHCI: implement new
semantics for URB_ISO_ASAP) and
6a41b4d3fe8cd4cc95181516fc6fba7b1747a27c (OHCI: implement new
semantics for URB_ISO_ASAP) increased the latency for isochronous URBs
in uhci-hcd and ohci-hcd respectively to 2 milliseconds, in an
attempt to avoid underruns. It turns out that not only was this
unnecessary -- 1-ms latency works okay -- it also causes problems with
certain application loads such as real-time audio.
This patch changes the latency for both drivers back to 1 ms.
This should be applied to -stable kernels going back to 3.8.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: Joe Rayhawk <jrayhawk@fairlystable.org>
CC: Clemens Ladisch <clemens@ladisch.de>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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HP's virtual UHCI host controller takes a long time to suspend
(several hundred microseconds), even when no devices are attached.
This provokes a warning message from uhci-hcd in the auto-stop case.
To prevent this from happening, this patch adds a test to avoid
performing an auto-stop when the wait_for_hp quirk flag is set. The
controller will still suspend through the normal runtime PM mechanism.
And since that pathway includes a 1-ms delay, the slowness of the
virtual hardware won't matter.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: ZhenHua <zhen-hual@hp.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The Kconfig settings for uhci-hcd are too permissive; they allow the
driver to be built without any bus-glue modules configured
(USB_UHCI_HCD enabled, PCI disabled, SPARC_LEON disabled, ARCH_VT8500
enabled, and USB_UHCI_PLATFORM disabled).
This patch fixes the problem by rearranging the dependencies. Now the
platform-dependent config options don't depend on USB_UHCI_HCD;
instead it depends on them. Furthermore, there is no user-selectable
choice as to which glue modules will be built. If USB_UHCI_HCD is
enabled then all applicable bus glues will be built.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
CC: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch shortens the logic in xhci_endpoint_init() by moving common
calculations involving max_packet and max_burst outside the switch
statement, rather than repeating the same code in multiple
case-specific statements. It also replaces two usages of max_packet
which were clearly intended to be max_burst all along.
More importantly, it compensates for a common bug in high-speed bulk
endpoint descriptors. In many devices there is a bulk endpoint having
a wMaxPacketSize value smaller than 512, which is forbidden by the USB
spec. Some xHCI controllers can't handle this and refuse to accept
the endpoint. This patch changes the max_packet value to 512, which
allows the controller to use the endpoint properly.
In practice the bogus maxpacket size doesn't matter, because none of
the transfers sent via these endpoints are longer than the maxpacket
value anyway.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Reported-and-tested-by: "Aurélien Leblond" <blablack@gmail.com>
CC: <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Add new attributes "chid" and "chid_external" to the channel-path
sysfs directory. These attributes contain information related to
the channel-ID of the channel-path.
Reviewed-by: Sebastian Ott <sebott@linux.vnet.ibm.com>
Signed-off-by: Peter Oberparleiter <peter.oberparleiter@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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The mxs-phy is missing the phy.type property, why the usb_get_phy helper
function won't be able to find it. This patch adds this missing property.
Signed-off-by: Michael Grzeschik <mgr@pengutronix.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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The Kconfig symbol USB_OTG_UTILS was removed in the v3.10 merge window,
in commit fd89149875 ("usb: phy: remove CONFIG_USB_OTG_UTILS"). But that
symbol popped up again in a few places. Remove it there too.
Acked-by: Paul Zimmerman <paulz@synopsys.com>
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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usb_gadget_unmap_request()
'struct usb_request *' should be passed to usb_gadget_unmap_request(),
as the second argument; however, 'struct s3c_hsotg_req *' is used.
Fixed build warnings as below:
drivers/usb/gadget/s3c-hsotg.c: In function 's3c_hsotg_unmap_dma':
drivers/usb/gadget/s3c-hsotg.c:440:2: warning: passing argument 2 of 'usb_gadget_unmap_request' from incompatible pointer type
[enabled by default]
include/linux/usb/gadget.h:961:13: note: expected 'struct usb_request *' but argument is of type 'struct s3c_hsotg_req *'
drivers/usb/gadget/s3c-hsotg.c:434:22: warning: unused variable 'req' [-Wunused-variable]
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Upon initialisation (driver probe) a NULL pointer exception
is triggered. This is due to lack of initialisation of
device field in phy structure, which is used by phy
framework in usb_get_phy().
Fix it by initialising the device field.
Signed-off-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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devm_ioremap_resource does sanity checks on the given resource. No need to
duplicate this in the driver.
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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There is no point. We would just squeeze the guest to put more and
more pages in the swap disk without any purpose.
The only time it makes sense to use the selfballooning and shrinking
is when frontswap is being utilized.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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'tmem.selfballooning' bool instead.
As the 'tmem' driver is the one that actually sets whether
it will use it (or not) so might as well make tmem responsible
for this knob.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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instead.
As the 'tmem' driver is the one that actually sets whether
it will use it or not so might as well make tmem responsible
for this knob.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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If tmem is built-in or a module, the user has the option on
the command line to influence it by doing: tmem.<some option>
instead of having a variety of "nocleancache", and
"nofrontswap". The others: "noselfballooning" and "selfballooning";
and "noselfshrink" are in a different driver xen-selfballoon.c
and the patches:
xen/tmem: Remove the usage of 'noselfshrink' and use 'tmem.selfshrink' bool instead.
xen/tmem: Remove the usage of 'noselfballoon','selfballoon' and use 'tmem.selfballon' bool instead.
remove them.
Also add documentation.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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The variety of disable_[cleancache|frontswap|selfshrinking] are
making this a bit complex. Just remove the "disable_" part and
change the logic around for the "nofrontswap" and "nocleancache"
parameters.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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We keep on getting:
drivers/xen/tmem.c:65:13: warning: ‘disable_frontswap_selfshrinking’ defined but not used [-Wunused-variable]
if CONFIG_FRONTSWAP=y and # CONFIG_CLEANCACHE is not set
Found by 0 day test project
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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There are three options - depending on what combination of
CONFIG_FRONTSWAP, CONFIG_CLEANCACHE and CONFIG_XEN_SELFBALLOONING
is used. Lets split them out nicely out in three groups to
make it easier to clean up.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Just code movement to see the different boot or module parameters.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Frontswap is upstream, no need to having this #ifdef.
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
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Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
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The commit:
388e5c5 usb: dwc3: remove dwc3 dependency on host AND gadget
breaks compilation when
USB=y, USB_GADGET=m, USB_DWC3=y and USB_DWC3_DUAL_ROLE=y.
drivers/built-in.o: In function `dwc3_gadget_giveback':
drivers/usb/dwc3/gadget.c:271: undefined reference to `usb_gadget_unmap_request'
drivers/built-in.o: In function `__dwc3_gadget_kick_transfer':
drivers/usb/dwc3/gadget.c:1005: undefined reference to `usb_gadget_unmap_request'
drivers/built-in.o: In function `__dwc3_gadget_ep_queue':
drivers/usb/dwc3/gadget.c:1073: undefined reference to `usb_gadget_map_request'
drivers/built-in.o: In function `dwc3_gadget_reset_interrupt':
drivers/usb/dwc3/gadget.c:2165: undefined reference to `usb_gadget_set_state'
drivers/built-in.o: In function `dwc3_gadget_init':
drivers/usb/dwc3/gadget.c:2647: undefined reference to `usb_add_gadget_udc'
drivers/built-in.o: In function `dwc3_gadget_exit':
drivers/usb/dwc3/gadget.c:2681: undefined reference to `usb_del_gadget_udc'
drivers/built-in.o: In function `__dwc3_ep0_do_control_data':
drivers/usb/dwc3/ep0.c:929: undefined reference to `usb_gadget_map_request'
drivers/usb/dwc3/ep0.c:906: undefined reference to `usb_gadget_map_request'
drivers/built-in.o: In function `dwc3_ep0_set_config':
drivers/usb/dwc3/ep0.c:575: undefined reference to `usb_gadget_set_state'
drivers/built-in.o: In function `dwc3_ep0_set_address':
drivers/usb/dwc3/ep0.c:520: undefined reference to `usb_gadget_set_state'
drivers/usb/dwc3/ep0.c:522: undefined reference to `usb_gadget_set_state'
drivers/built-in.o: In function `dwc3_ep0_set_config':
drivers/usb/dwc3/ep0.c:556: undefined reference to `usb_gadget_set_state'
Making changes similar to patch:
71a5e61 usb: chipidea: fix and improve dependencies if usb host or gadget support is built as module
Let us limit the DWC3 mode to depend on corresponding usb-subsystem
and USB_DWC3.
Signed-off-by: Vivek Gautam <gautam.vivek@samsung.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Fix to return a negative error code in the go through all configs error
handling case instead of 0(usb_add_function() will overwrite ret to 0).
Also use error code from usb_gstrings_attach() in all strings init error
case instead of -EINVAL.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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