| Commit message (Collapse) | Author | Age |
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This patch adds support for tnetv107x's on-chip touchscreen controller.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds evm board specific keymap definitions and controller
configuration data for on-chip keypad controller on tnetv107x silicon.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds a platform device definition for tnetv107x's keypad
controller.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds support for tnetv107x's on-chip keypad controller.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: Dmitry Torokhov <dtor@mail.ru>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Having switched over to the newly introduced cpdma layer, this patch now
removes a whole bunch of code that is now unused. This patch has been
maintained separate strictly for reasons of readability.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch hooks up the emac driver with the newly separated cpdma driver.
Key differences introduced here:
- The old buffer list scheme is no longer required
- The original code maintained mac address per rx channel, even if only one
rx channel was being used. With this change, mac address is maintained
device wide. If support for multiple rx channels is added in future, this
will need to be reworked a bit.
- The new CPDMA code handles short packets better than before. The
earlier code was adjusting the length up, without ensuring that the tail
end of the padding was cleared - a possible security issue. This has been
fixed to use skb_padto().
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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In addition to being embedded into the EMAC controller, the CPDMA hardware
block is used in TI's CPSW switch controller. Fortunately, the programming
interface to this hardware block remains pretty nicely consistent across these
devices.
This patch adds a new CPDMA services layer, which can then be reused across
EMAC and CPSW drivers.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch removes code that has been rendered useless by the previous patches
in this series.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch removes davinci architecture code that has now been rendered
useless by the previous patches in the MDIO separation series.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch removes davinci architecture code that has now been rendered
useless by the previous patches in the MDIO separation series.
In addition, the earlier phy_mask definitions have been replaced with
corresponding phy_id definitions.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch switches the emac implementation over to the newly separated
MDIO driver.
With this, the mdio bus frequency defaults to a safe 2.2MHz. Boards may
optionally specify a bus frequency via platform data.
The phy identification scheme has been modified to use a phy bus id instead
of a mask. This largely serves to eliminate the "phy search" code in emac
init.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds mdio platform devices on SoCs that have the necessary
hardware. Clock lookup entries (aliases) have also been added, so that the
MDIO and EMAC drivers can independently enable/disable a shared underlying
clock. Further, the EMAC MMR region has been split down into separate MDIO
and EMAC regions.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds mdio platform devices on SoCs that have the necessary
hardware. Clock lookup entries (aliases) have also been added, so that the
MDIO and EMAC drivers can independently enable/disable a shared underlying
clock. Further, the EMAC MMR region has been split down into separate MDIO
and EMAC regions.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Acked-by: David S. Miller <davem@davemloft.net>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Davinci's MDIO controller is present on other TI devices, without an
accompanying EMAC. For example, on tnetv107x, the same MDIO module is used in
conjunction with a 3-port switch hardware.
By separating the MDIO controller code into its own platform driver, this
patch allows common logic to be reused on such platforms.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Tested-by: Michael Williamson <michael.williamson@criticallink.com>
Tested-by: Caglar Akyuz <caglarakyuz@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds the i2c0 bus and attached devices to the MityDSP-L138
and MityARM-1808 davinci SoM. Included is a TPS65023 voltage regulator
needed for power management and a small 24c02 EPROM that contains
factory configuration data.
Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds an entry into the idcode table for tnetv107x silicon revision
1.1 and 1.2 devices.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds initial support for the MityDSP-L138 and MityDSP-1808 system
on Module (SOM) under the machine name "mityomapl138". These SOMs are based
on the da850 davinci CPU architecture. Information on these SOMs may be
found at http://www.mitydsp.com.
Basic support for the console UART, NAND, and EMAC (MII interface) is
included in this patch.
Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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In order to support reference DA8XX machines not providing a
voltage regulator control for the core voltage, the REGULATOR_DUMMY
option is required.
Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch adds machine checks in the serial console init routines
for the DA8XX EVM boards. This is needed because there are other
DA8XX based machines that use a different UART/tty as the console
and may be included in a common kernel build.
Signed-off-by: Michael Williamson <michael.williamson@criticallink.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Setup NAND flash timing on DM6467T EVM.
Without the timing setup, the NAND flash on DM6467T
RevC EVM reports a number of random bad blocks because
of read errors.
Also, with this, copying a 100M file on RevB EVM takes
~35 sec against 1 minute 30 seconds earlier.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Setup the NAND flash timings for DA850 EVM
Before configuring the timing values, throughput calculation
using dd command yielded 469 kB/s write and 966 kB/s read speed.
After the timing configuration, the throughput was measured to
be 2.4 MB/s write and 5 MB/s read.
[Mukul Bhatnagar: actual calculation of timing values from the
NAND datasheet]
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Cc: Mukul Bhatnagar <mbhatnagar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Setup the NAND flash timings for DA830 EVM.
Before configuring the timing values, throughput calculation
using dd command yielded 477 kB/s write and 970 kB/s read speed.
After the timing configuration, the throughput was measured to
be 2.5 MB/s write and 5.1 MB/s read.
[Mukul Bhatnagar: actual calculation of timing values from the
NAND datasheet]
Signed-off-by: Sudhakar Rajashekhara <sudhakar.raj@ti.com>
Cc: Mukul Bhatnagar <mbhatnagar@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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The DM644x EVM nand flash timing was earlier being
done as a special case in the NAND driver itself.
With the NAND driver now capable of progamming the
AEMIF interface using timing data passed from the
platform, the timing values are being moved into
their rightful place in the EVM specific board file.
The values being programmed match what was being done
earlier and thus do not represent any change in
performance/functionality.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch modifies the DaVinci NAND driver to use the
new AEMIF timing setup API to configure the NAND access
timings.
Earlier, AEMIF configuration was being done as a special
case for DM644x board, but now more boards emerge which have
capability to boot for other media (SPI flash, NOR flash) and
have the kernel access NAND flash. This means that kernel cannot
always depend on the bootloader to setup the NAND.
Also, on platforms such as da850/omap-l138, the aemif input
frequency changes as cpu frequency changes; necessiating
re-calculation of timimg values as part of cpufreq transtitions.
This patch forms the basis for adding that support.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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This patch adds support to configure the AEMIF interface
with supplied timing values.
Since this capability is useful both from NOR and NAND
flashes, it is provided as a new interface and in a file
of its own.
AEMIF timing configuration is required in cases:
1) Where the AEMIF clock rate can change at runtime (a side
affect of cpu frequency change).
2) Where U-Boot does not support NAND/NOR but supports other
media like SPI Flash or MMC/SD and thus does not care about
setting up the AEMIF timing for kernel to use.
3) Where U-Boot just hasn't configured the timing values and
cannot be upgraded because the box is already in the field.
Since there is now a header file for AEMIF interface, the
common (non-NAND specific) defines for AEMIF registers have
been moved from nand.h into the newly created aemif.h
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Acked-by: Kevin Hilman <khilman@deeprootsystems.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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By default the audio driver uses EDMAQ_0 as the DMA queue,
but on DM365 this queue is specially designed for video
transfers with a large fifo size. Having both audio and
video transfers on the same queue leads to noise on the
audio side.
This patch changes the audio queue number for DM365 to
EDMAQ_3.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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function
Add resources, platform device and convenience registration function for DA850's second MMC/SD controller (MMCSD1).
Signed-off-by: Juha Kuikka <juha.kuikka@elektrobit.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Split mmcsd_clk into mmcsd0_clk and mmcsd1_clk and add davinci_mmc.1
in preparation for adding support for MMCSD1 peripheral in DA850.
Signed-off-by: Juha Kuikka <juha.kuikka@elektrobit.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Add LPSC id for DA850's MMCSD1 peripheral.
Signed-off-by: Juha Kuikka <juha.kuikka@elektrobit.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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If irq2ctlr() fails return IRQ_NONE.
Also as it can fail make 'ctlr' signed.
The semantic patch that finds this problem (many false-positive results):
(http://coccinelle.lip6.fr/)
// <smpl>
@ r1 @
identifier f;
@@
int f(...) { ... }
@@
identifier r1.f;
type T;
unsigned T x;
@@
*x = f(...)
...
*x > 0
Signed-off-by: Kulikov Vasiliy <segooon@gmail.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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The CPGMAC pin list in da850.c was incorrectly split into two MII/RMII mode
specific pin lists, while what pin group is used is a function of how the board
is wired. Copy the pin lists to board-da850-evm.c, renaming them accordingly,
and merge the two lists in da850.c into one, da850_cpgmac_pins[], representing
the CPGMAC module as a whole...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Tested-by: Ben Gardiner <bengardiner@nanometrics.ca>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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The NAND/NOR flash pin lists (da850_nand_pins/da850_nor_pins) are purely board
specific and as such shouldn't be in da850.c -- copy them to board-da850-evm.c,
renaming to da850_evm_nand_pins/da850_evm_nor_pins respectively, and merge the
two lists in da850.c into one, representing the EMIF 2.5 module as a whole,
just like we have it in da830.c...
While at it, remove the '__init' modifier from da850_evm_setup_nor_nand() as
this function is called from non '__init' code...
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Tested-by: Ben Gardiner <bengardiner@nanometrics.ca>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This is a bugfix for the original tnetv107x submission series. The psc_regs
base array was being discarded post-init, and this was causing a crash during
post-init clock enable/disable.
Signed-off-by: Cyril Chemparathy <cyril@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Keep PLL0 SYSCLK3 at a constant rate of 100MHz. This enables the AEMIF
timing to remain valid even as the PLL0 output is changed by cpufreq
driver to save power.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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On OMAP-L138 SoC, some of the sysclks need not be at a fixed ratio
to CPU clock and can be kept at a relatively constant rate by
adjusting the PLLDIVn ratio even as cpufreq goes ahead and changes
the CPU clock.
This feature can be used to keep the EMIFA (PLL0 SYSCLK3) clock at a
constant rate so that the EMIF timings need not be re-programmed
whenever the CPU frequency changes.
This patch adds the required suppport to cpufreq driver.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Setting sysclk rate will be useful in cases where the
sysclk is not at a fixed ratio to the PLL output but
can asynchronously be changed.
This support forms the basis of attempt to keep the AEMIF
clock constant on OMAP-L138 even as PLL0 output changes
as ARM clock is changed to save power.
This patch has been tested on OMAP-L138.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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This patch disables internal pulldowns for all MMC/SD1
pins. Presently only MMCSD1_CMD pin's pull down is
disabled, but with this some MMC/SD cards do not get
detected on MMC/SD1 slot of the EVM.
The problem was reproducible with SanDisk 4GB SDHC card.
Reported-by: Stephane Bovagne <s-bovagne@ti.com>
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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min voltage
For each DA850 OPP, the normal ('NOM') voltage defined in the tecnical
reference manual (TRM) is actually the minimum voltage the frequency
is supported at.
The minimum ('MIN') voltage defined in TRM is meant to take care of
voltage fluctuations and the device should not be run at this voltage
for extended periods of time.
Fix the OPP definitions to define the cvdd_min as the normal voltage
defined in the datasheet.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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The Sitara AM17x SoCs from TI are an OMAP-L137 pin-to-pin
compatible ARM9 microprocessor offering from TI.
The Sitara AM18x SoCs from TI are an OMAP-L138 pin-to-pin
compatible ARM9 microprocessor offering from TI.
More information about these processors available at:
www.ti.com/am1x
Because of their compatibiliy with OMAP-L1x, the kernel
support for OMAP-L1x is fully relevant to AM1x processors.
This patch updates the Kconfig prompt and help text to include
the AM1x part names to help users select configurations required
for these parts easily.
Also, the hardware information that shows up in /proc/cpuinfo
is updated to show applicability of the respective OMAP-L1x EVMs
for AM1x parts.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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In arch/arm/mach-davinci/Kconfig, some of the configuration
items are indented with multiple spaces instead of tabs.
Also, in couple of places, two spaces are used in the middle
of help text where one should do.
This patch fixes both issues.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Current cpufreq code does not consider errors that can occur while
changing voltage. Code to increase CPU frequency goes ahead even in
the case the regulator has failed to increase the voltage. This leads
to hard error since lower voltages cannot support increased frequency.
Prevent this by not increasing frequency in case increasing voltage
is not successful.
Also, do not lower the voltage if changing the cpu frequency has failed
for some reason.
Note that we do not return error on failure to decrease voltage as
that is not a hard error.
Build fix for non-cpufreq kernels by Caglar Akyuz.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Cc: Caglar Akyuz <caglar@bilkon-kontrol.com.tr>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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The long list of clocks being disabled on boot is noisy and not needed
for standard boots. Make this a debug printk instead.
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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In absence of Kevin's e-mail address, using get_maintaner.pl in
git-send-email --cc-cmd option is not CCing Kevin at all.
While at it, mark davinci-linux-open-source@linux.davincidsp.com as
a list in line with what is being done for other maintainer entries.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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Without this cleanup, sparse checker reports warnings of the type:
CHECK arch/arm/mach-davinci/board-da850-evm.c
arch/arm/mach-davinci/board-da850-evm.c:112:22: warning: symbol 'da850_evm_nandflash_partition' was not declared. Should it be static?
The nand flash partitions and regulator supplies are used within
the EVM file and so should have been static
This patch has been boot tested on DA830 and DA850 EVMs.
Signed-off-by: Sekhar Nori <nsekhar@ti.com>
Signed-off-by: Kevin Hilman <khilman@deeprootsystems.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6:
Staging: vt6655: fix buffer overflow
Revert: "Staging: batman-adv: Adding netfilter-bridge hooks"
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"param->u.wpa_associate.wpa_ie_len" comes from the user. We should
check it so that the copy_from_user() doesn't overflow the buffer.
Also further down in the function, we assume that if
"param->u.wpa_associate.wpa_ie_len" is set then "abyWPAIE[0]" is
initialized. To make that work, I changed the test here to say that if
"wpa_ie_len" is set then "wpa_ie" has to be a valid pointer or we return
-EINVAL.
Oddly, we only use the first element of the abyWPAIE[] array. So I
suspect there may be some other issues in this function.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This reverts commit 96d592ed599434d2d5f339a1d282871bc6377d2c.
The netfilter hook seems to be misused and may leak skbs in situations
when NF_HOOK returns NF_STOLEN. It may not filter everything as
expected. Also the ethernet bridge tables are not yet capable to
understand batman-adv packet correctly.
It was only added for testing purposes and can be removed again.
Reported-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Sven Eckelmann <sven.eckelmann@gmx.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6:
USB: musb: MAINTAINERS: Fix my mail address
USB: serial/mos*: prevent reading uninitialized stack memory
USB: otg: twl4030: fix phy initialization(v1)
USB: EHCI: Disable langwell/penwell LPM capability
usb: musb_debugfs: don't use the struct file private_data field with seq_files
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If we don't, contributors to musb and any USB OMAP
code will be sending mails to an unexistent inbox.
Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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