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The VF is allowed to request the PF to set its already assigned
MAC address without generating an error.
Change-Id: I8dfdf353396995dbbb26cafab4e42b451911da3d
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Acked-by: Shannon Nelson <shannon.nelson@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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When the 8021q driver is loaded it sets VLAN 0 filters on all devices.
This does not mean that any VLAN tagged packet should be accepted.
Instead accept only VLAN 0 tagged packets so that upper layers can
interpret the priority bits.
Change-Id: I17274a540b613749612ffe23a3aef2b8ee6ff6a4
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Broadcast promiscuous should only be turned on when general
promiscuous mode is turned on, otherwise VLAN tagged packets out of
the assigned VLAN domain are received.
Add a broadcast MAC filter in order to continue to receive
broadcast traffic on VLANs, MAIN or VMDQ VSI.
Change-Id: I99d8e382a082ee51201228f1226af3b46452ac55
Signed-off-by: Greg Rose <gregory.v.rose@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Sibai Li <sibai.li@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Add more functionality to debugfs to assist development
and testing of AQ commands.
adds:
send aq_cmd
send indirect aq_cmd
Change-Id: I01710cddd33110a6c1e1aabf84cb6e93cda4c42a
Signed-off-by: Anjali Singhai Jain <anjali.singhai@intel.com>
Signed-off-by: Jesse Brandeburg <jesse.brandeburg@intel.com>
Tested-by: Kavindya Deegala <kavindya.s.deegala@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
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Previously during SSR and GC, the maximum number of retrials to find a victim
segment was hard-coded by MAX_VICTIM_SEARCH, 4096 by default.
This number makes an effect on IO locality, when SSR mode is activated, which
results in performance fluctuation on some low-end devices.
If max_victim_search = 4, the victim will be searched like below.
("D" represents a dirty segment, and "*" indicates a selected victim segment.)
D1 D2 D3 D4 D5 D6 D7 D8 D9
[ * ]
[ * ]
[ * ]
[ ....]
This patch adds a sysfs entry to control the number dynamically through:
/sys/fs/f2fs/$dev/max_victim_search
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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Fix below compiler warning:
net/xfrm/xfrm_policy.c:1644:12: warning: ‘xfrm_dst_alloc_copy’ defined but not used [-Wunused-function]
Signed-off-by: Ying Xue <ying.xue@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When considering a bunch of data writes with very frequent fsync calls, we
are able to think the following performance regression.
N: Node IO, D: Data IO, IO scheduler: cfq
Issue pending IOs
D1 D2 D3 D4
D1 D2 D3 D4 N1
D2 D3 D4 N1 N2
N1 D3 D4 N2 D1
--> N1 can be selected by cfq becase of the same priority of N and D.
Then D3 and D4 would be delayed, resuling in performance degradation.
So, when processing the fsync call, it'd better give higher priority to data IOs
than node IOs by assigning WRITE and WRITE_SYNC respectively.
This patch improves the random wirte performance with frequent fsync calls by up
to 10%.
Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>
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When extending a metadata space map we should do the first commit whilst
still in bootstrap mode -- a mode where all blocks get allocated in the
new area.
That way the commit overhead is allocated from the newly added space.
Otherwise we risk running out of space.
With this fix, and the previous commit "dm space map common: make sure
new space is used during extend", the following device mapper testsuite
test passes:
dmtest run --suite thin-provisioning -n /resize_metadata_no_io/
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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When extending a low level space map we should update nr_blocks at
the start so the new space is used for the index entries.
Otherwise extend can fail, e.g.: sm_metadata_extend call sequence
that fails:
-> sm_ll_extend
-> dm_tm_new_block -> dm_sm_new_block -> sm_bootstrap_new_block
=> returns -ENOSPC because smm->begin == smm->ll.nr_blocks
Signed-off-by: Joe Thornber <ejt@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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There may be other parts of the kernel holding a reference on the dm
kobject. We must wait until all references are dropped before
deallocating the mapped_device structure.
The dm_kobject_release method signals that all references are dropped
via completion. But dm_kobject_release doesn't free the kobject (which
is embedded in the mapped_device structure).
This is the sequence of operations:
* when destroying a DM device, call kobject_put from dm_sysfs_exit
* wait until all users stop using the kobject, when it happens the
release method is called
* the release method signals the completion and should return without
delay
* the dm device removal code that waits on the completion continues
* the dm device removal code drops the dm_mod reference the device had
* the dm device removal code frees the mapped_device structure that
contains the kobject
Using kobject this way should avoid the module unload race that was
mentioned at the beginning of this thread:
https://lkml.org/lkml/2014/1/4/83
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@vger.kernel.org
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Enable this option as it's required to use USB on AM335x SoC.
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Long lines are split into multiple ones to reduce the line length.
Additionally some alignment fixes are made that previous patches
missed.
Unfortunately, due to the high indentation levels present in parts of
bssdb.c, this patch leaves some lines which are longer than 80
characters.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Explicit comparisons of pointers agains NULL
(like if (p != NULL) ...) are not as readable as the implicit
comparison (like if (p) ...). This patch converts all these explicit
comparisons to implicit ones.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removes unrequired parentheses around comparisons in complex
conditions.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch reduces the level of indentation in bssdb.c of the vt6656
driver by transforming nested conditions to a series of logical
conjunctions. E.g.
if (cond1) {
if (cond2) {
block();
}
}
is transformed to
if (cond1 && cond2) {
block();
}
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Conforming to the linux coding style guidelines, a single line block
of an if statement does not require curly braces unless another block
of the if cascade requires them. Therefore unnecessary curly braces
are removed by this patch and missing ones are added.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch combines single ifs within the block of an else to a single
else if statement.
Therefore code that looks like that
else {
if (cond) {
statements;
} else {
other_statements;
}
}
is converted to code that looks like that
else if (cond) {
statements;
} else {
other_statements;
}
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A space in a format string is unnecessary if it is followed by a line
feed. These spaces are removed by this patch.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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An else belongs in the same line as the closing curly brace of the
previous block. Hence, this patch removes line feeds separating a
curly brace from the corresponding else.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adds missing spaces between an if-statement and its condition as well
as between the condition and the following curly brace. At casts
there is also a space added between the type and the variable.
Spaces that either follow an opening parenthese or the sizeof operator
or that preceed semicolons are removed as well.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Adds spaces around operators (like &&, ||, !=, +, ...) and removes
spaces before postfix increment and decrement operators. Parentheses
around return values are removed, too.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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After some blocks in bssdb.c there are semicolons that are not
required to be there. Therefore they are removed with this patch.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Changes C99-style comments to C89-style ones to conform to the linux
coding guidelines. Additionally removes plus and minus signs from the
function description comments.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Corrects indentation by using tabs instead of spaces. This also
includes modification of the alignment of multi-line expressions and
statements.
Signed-off-by: Sebastian Rachuj <sebastian.rachuj@studium.uni-erlangen.de>
Signed-off-by: Simon Schuster <linux@rationality.eu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Tegra chips have 4 or 5 identical UART modules embedded. UARTs C..E have
their MODEM-control signals tied off to a static state. However UARTs A
and B can optionally route those signals to/from package pins, depending
on the exact pinmux configuration.
When these signals are not routed to package pins, false interrupts may
trigger either temporarily, or permanently, all while not showing up in
the IIR; it will read as NO_INT. This will eventually lead to the UART
IRQ being disabled due to unhandled interrupts. When this happens, the
kernel may print e.g.:
irq 68: nobody cared (try booting with the "irqpoll" option)
In order to prevent this, enable UART_BUG_NOMSR. This prevents
UART_IER_MSI from being enabled, which prevents the false interrupts
from triggering.
In practice, this is not needed under any of the following conditions:
* On Tegra chips after Tegra30, since the HW bug has apparently been
fixed.
* On UARTs C..E since their MODEM control signals are tied to the correct
static state which doesn't trigger the issue.
* On UARTs A..B if the MODEM control signals are routed out to package
pins, since they will then carry valid signals.
However, we ignore these exceptions for now, since they are only relevant
if a board actually hooks up more than a 4-wire UART, and no currently
supported board does this. If we ever support a board that does, we can
refine the algorithm that enables UART_BUG_NOMSR to take those exceptions
into account, and/or read a flag from DT/... that indicates that the
board has hooked up and pinmux'd more than a 4-wire UART.
Reported-by: Olof Johansson <olof@lixom.net> # autotester
Cc: <stable@vger.kernel.org>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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When using RX DMA, the driver won't pass any data to the uart layer
until the buffer is flipped. When the port is shutdown, the dma buffers
are unmapped, but the head and tail of the ring buffer are not reseted.
Since the serial console will keep the port open, this will only
present itself when the uart is not shared.
To reproduce the issue, with an unpatched driver, run a getty on /dev/ttyS0
with no serial console and exit. Getty will exit, and when the new one returns
you will be unable to log in. If you hold down a key long enough to fill the
DMA buffer and flip it, you can then log in.
Signed-off-by: Mark Deneen <mdeneen@gmail.com>
Acked-by: Leilei Zhao <leilei.zhao@atmel.com>
[nicolas.ferre@atmel.com: adapt to mainline kernel, handle !DMA case]
Cc: <stable@vger.kernel.org> # v3.12
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The _remove callback could be called when a tasklet is scheduled. tasklet_kill
was called inside the function in order to free up any scheduled tasklets.
However it was called after uart_remove_one_port which destroys tty references
needed in the port for atmel_tasklet_func.
Simply putting the tasklet_kill at the start of the function will prevent this
conflict.
Signed-off-by: Marek Roszko <mark.roszko@gmail.com>
Acked-by: Leilei Zhao <leilei.zhao@atmel.com>
Cc: <stable@vger.kernel.org> # v3.12
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Interrupts were being cleaned up late in the shutdown handler, it is possible
that an interrupt can occur and schedule a tasklet that runs after the port is
cleaned up. There is a null dereference due to this race condition with the
following stacktrace:
[<c02092b0>] (atmel_tasklet_func+0x514/0x814) from [<c001fd34>] (tasklet_action+0x70/0xa8)
[<c001fd34>] (tasklet_action+0x70/0xa8) from [<c001f60c>] (__do_softirq+0x90/0x144)
[<c001f60c>] (__do_softirq+0x90/0x144) from [<c001fa18>] (irq_exit+0x40/0x4c)
[<c001fa18>] (irq_exit+0x40/0x4c) from [<c000e298>] (handle_IRQ+0x64/0x84)
[<c000e298>] (handle_IRQ+0x64/0x84) from [<c000d6c0>] (__irq_svc+0x40/0x50)
[<c000d6c0>] (__irq_svc+0x40/0x50) from [<c0208060>] (atmel_rx_dma_release+0x88/0xb8)
[<c0208060>] (atmel_rx_dma_release+0x88/0xb8) from [<c0209740>] (atmel_shutdown+0x104/0x160)
[<c0209740>] (atmel_shutdown+0x104/0x160) from [<c0205e8c>] (uart_port_shutdown+0x2c/0x38)
Signed-off-by: Marek Roszko <mark.roszko@gmail.com>
Acked-by: Leilei Zhao <leilei.zhao@atmel.com>
Cc: <stable@vger.kernel.org> # v3.12
Signed-off-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In rx dma-callback it calls tasklet_schedule, if the tasklet
be scheduled after all the dma-callback in the rx dma channel,
current check condition in the tasklet will not do fetch dma
buffer into tty because tx_issued is equal with tx_completed,
so as timeout tasklet does.
so we check whether we should fetch the whole dma buffer into
tty according to the status of transactions in rx dma channel.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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this patch provides PM entry of uart_ops, then drop clk enable and
disable because serial core will do it.
the patch also fixes the issue that uart hang in resume caused by
not-enabled clock.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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use SET_SYSTEM_SLEEP_PM_OPS to initialize suspend/resume functions
instead of legacy suspend and resume entries of platform_driver.
this will add hibernation support automatically as suspend to disk
entries are also set.
Signed-off-by: Qipan Li <Qipan.Li@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This helps increasing build testing coverage.
To do this, read{write}_relaxed() functions was be replaced with
simple read{write}() variants. Potential "uninitialized variable"
warnings was be fixed if driver compiled without MFD_SYSCON.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch replace custom handling of IrDA feature with N_IRDA
line discipline, so IrDA mode can be used with irtty driver.
Signed-off-by: Alexander Shiyan <shc_work@mail.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The four variants of the synclink driver use the same code in their
open() callback to wait for a port in process of being closed,
using interruptible_sleep_on, which is racy and going away soon.
Making things worse, these functions hold the BTM while doing so,
which means that if we ever enter this code path, we cannot actually
continue since the other thread that is in process of closing the
port can no longer get the BTM.
This addresses both issues by using wait_event_interruptible_tty()
instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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interruptible_sleep_on is generally problematic and we want to get
rid of it. In case of TIOCMIWAIT, that race is actually in user
space and does not get fixed since we can only detect changes after
entering the ioctl handler, but it removes one more caller.
This instance can not be trivially replaced with wait_event, so
I chose to open-code the wait loop using prepare_to_wait/finish_wait.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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None of these files are actually using any __init type directives
and hence don't need to include <linux/init.h>. Most are just a
left over from __devinit and __cpuinit removal, or simply due to
code getting copied from one driver to the next.
Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* pci/msi:
PCI/MSI: Add pci_enable_msi_range() and pci_enable_msix_range()
PCI/MSI: Add pci_msix_vec_count()
PCI/MSI: Remove pci_enable_msi_block_auto()
PCI/MSI: Add pci_msi_vec_count()
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* pci/misc:
PCI: Update documentation 00-INDEX file
PCI: Convert ioapic to be builtin only, not modular
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* pci/host-mvebu:
PCI: mvebu: Use max_t() instead of max(resource_size_t,)
PCI: mvebu: Call pci_ioremap_io() at startup instead of dynamically
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* pci/host-designware:
PCI: designware: Fix indent code style
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The variable 'dev' is initialized but never used
otherwise, so remove the unused variable.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Remove duplicated include.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Genuine FTDI chips support only CS7/8. A previous fix in commit
8704211f65a2 ("USB: ftdi_sio: fixed handling of unsupported CSIZE
setting") enforced this limitation and reported it back to userspace.
However, certain types of smartcard readers depend on specific
driver behaviour that requests 0 data bits (not 5) to change into a
different operating mode if CS5 has been set.
This patch reenables this behaviour for all FTDI devices.
Tagged to be added to stable, because it affects a lot of users of
embedded systems which rely on these readers to work properly.
Cc: stable <stable@vger.kernel.org>
Reported-by: Heinrich Siebmanns <H.Siebmanns@t-online.de>
Tested-by: Heinrich Siebmanns <H.Siebmanns@t-online.de>
Signed-off-by: Colin Leitner <colin.leitner@gmail.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Due to imx28 needs ARM swp instruction for writing, we set
CI_HDRC_IMX28_WRITE_FIX for imx28.
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Tested-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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We have already renamed the file name, change doc name at this
patch.
Cc: devicetree@vger.kernel.org
Cc: linux-doc@vger.kernel.org
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch makes the controller register map ci_regs_nolpm and ci_regs_lpm as
"const". Further, as all offset fit into a single byte, the type is changed
from uintptr_t to u8.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Without this patch a seperate chunk of memory is allocated for the regmap
array. As the regmap is always used it makes no sense to allocate a seperate
memory block for it, this patch moves the regmap array directly into the struct
hw_bank.
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Peter Chen <peter.chen@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Rahul Bedarkar <rahulbedarkar89@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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