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335,609 commits

Author SHA1 Message Date
Kukjin Kim
8214513063 ARM: EXYNOS: fix address for EXYNOS4 MDMA1
use non-secure mdma1 address.

Reported-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 12:52:54 +09:00
Seung-Woo Kim
bfbf2901ab ARM: EXYNOS: fixed SYSMMU setup definition to mate parameter name
This is trivial patch to mate parameter name between iommu api enabled case and
disabled case.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: KyongHo Cho <pullip.cho@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 12:52:53 +09:00
Olof Johansson
b97ba3ab4e This branch contains mostly scripted changes to make omap
header files local where possible to get us closer to supporting
 the ARM single zImage. After these changes mach includes are
 pretty much out of the way for omap2+, but still lots of manual
 work remains to sort through the remaining plat includes.
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Merge tag 'omap-cleanup-local-headers-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap into next/cleanup

From Tony Lindgren:
This branch contains mostly scripted changes to make omap
header files local where possible to get us closer to supporting
the ARM single zImage. After these changes mach includes are
pretty much out of the way for omap2+, but still lots of manual
work remains to sort through the remaining plat includes.

* tag 'omap-cleanup-local-headers-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/tmlind/linux-omap: (26 commits)
  ARM: OMAP2+: Make omap4-keypad.h local
  ARM: OMAP2+: Make l4_3xxx.h local
  ARM: OMAP2+: Make l4_2xxx.h local
  ARM: OMAP2+: Make l3_3xxx.h local
  ARM: OMAP2+: Make l3_2xxx.h local
  ARM: OMAP1: Move irda.h from plat to mach
  ARM: OMAP2+: Make hdq1w.h local
  ARM: OMAP2+: Make gpmc-smsc911x.h local
  ARM: OMAP2+: Make gpmc-smc91x.h local
  ARM: OMAP1: Move flash.h from plat to mach
  ARM: OMAP2+: Make debug-devices.h local
  ARM: OMAP1: Move board-voiceblue.h from plat to mach
  ARM: OMAP1: Move board-sx1.h from plat to mach
  ARM: OMAP2+: Make omap-wakeupgen.h local
  ARM: OMAP2+: Make omap-secure.h local
  ARM: OMAP2+: Make ctrl_module_wkup_44xx.h local
  ARM: OMAP2+: Make ctrl_module_pad_wkup_44xx.h local
  ARM: OMAP2+: Make ctrl_module_pad_core_44xx.h local
  ARM: OMAP2+: Make ctrl_module_core_44xx.h local
  ARM: OMAP2+: Make board-rx51.h local
  ...
2012-09-20 20:27:06 -07:00
Olof Johansson
84bae6c379 This is the second round of imx-dt patches for 3.7. It's based on
and imx-dt-3.7 and imx-clk-dt-lookup which have already been pulled.
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Merge tag 'imx-dt-3.7-2' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt

From Shawn Guo:
This is the second round of imx-dt patches for 3.7.  It's based on
and imx-dt-3.7 and imx-clk-dt-lookup which have already been pulled.

* tag 'imx-dt-3.7-2' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: imx6q: use pll2_pfd2_396m as the enfc_sel's parent
  ARM: dts: imx6q-sabrelite: add usbotg pinctrl support
  ARM: dts: imx6q-sabrelite: add usbmisc device
2012-09-20 20:16:27 -07:00
Olof Johansson
6ded245038 This is the second round of mxs-dt patches for 3.7. It's based on
mxs-dt-3.7 and mxs-clk-dt-lookup which have been pulled into arm-soc.
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Merge tag 'mxs-dt-3.7-2' of git://git.linaro.org/people/shawnguo/linux-2.6 into next/dt

From Shawn Guo:
This is the second round of mxs-dt patches for 3.7.  It's based on
mxs-dt-3.7 and mxs-clk-dt-lookup which have been pulled into arm-soc.

* tag 'mxs-dt-3.7-2' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mxs: m28evk: Disable OCOTP OUI loading
  ARM: dts: imx23-olinuxino: Add USB host support
  ARM: dts: mx23: Add USB resources
  ARM: dts: mxs: Add ethernetX to macX aliases
2012-09-20 20:15:21 -07:00
Olof Johansson
9c0cc5785d ARM: tegra: second round of cleanups
This branch mainly removes dead code following the removal of all board
 files. The removals depend on various changes in other branches, so they
 are all merged together and form the basis of this branch, as enumerated
 below.
 
 Finally, there are no remaining users of pinconf-tegra.h outside the
 pinctrl subsystem, so that header is incorporated into an existing file
 there. This reduces the number of headers in mach-tegra/include, and so
 helps move towards single zImage.
 
 This branch is based on tegra-for-3.7-cleanup, followed by a merge of
 tegra-for-3.7-board-removal, followed by a merge of
 tegra-for-3.7-common-clk, followed by a merge of:
 
 git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git xceiv-for-v3.7
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Merge tag 'tegra-for-3.7-cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup2

ARM: tegra: second round of cleanups

This branch mainly removes dead code following the removal of all board
files. The removals depend on various changes in other branches, so they
are all merged together and form the basis of this branch, as enumerated
below.

Finally, there are no remaining users of pinconf-tegra.h outside the
pinctrl subsystem, so that header is incorporated into an existing file
there. This reduces the number of headers in mach-tegra/include, and so
helps move towards single zImage.

This branch is based on tegra-for-3.7-cleanup, followed by a merge of
tegra-for-3.7-board-removal, followed by a merge of
tegra-for-3.7-common-clk, followed by a merge of:

git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb.git xceiv-for-v3.7

By Stephen Warren (16) and others
via Stephen Warren
* tag 'tegra-for-3.7-cleanup2' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra: (29 commits)
  pinctrl: tegra: move pinconf-tegra.h content into drivers/pinctrl
  ARM: tegra: delete unused headers
  ARM: tegra: remove useless includes of <mach/*.h>
  ARM: tegra: remove dead code
  ARM: dt: tegra: harmony: configure power off
  ARM: dt: tegra: harmony: add regulators
  ARM: tegra: remove board (but not DT) support for Harmony
  ARM: tegra: remove board (but not DT) support for Paz00
  ARM: tegra: remove board (but not DT) support for TrimSlice
  ARM: Tegra: Add smp_twd clock for Tegra20
  ARM: tegra: cpu-tegra: explicitly manage re-parenting
  ARM: tegra: fix overflow in tegra20_pll_clk_round_rate()
  ARM: tegra: Fix data type for io address
  ARM: tegra: remove tegra_timer from tegra_list_clks
  ARM: tegra30: clocks: fix the wrong tegra_audio_sync_clk_ops name
  ARM: tegra: clocks: separate tegra_clk_32k_ops from Tegra20 and Tegra30
  ARM: tegra: Remove duplicate code
  ARM: tegra: Port tegra to generic clock framework
  ARM: tegra: Add clk_tegra structure and helper functions
  ARM: tegra: Rename tegra20 clock file
  ...
2012-09-20 20:07:28 -07:00
Olof Johansson
36f926cfad usb: xceiv: patches for v3.7 merge window
nop xceiv got its own header to avoid polluting otg.h. It has also
 learned to work as USB2 and USB3 phys so we can use it on USB3
 controllers.
 
 Together with those two changes to nop xceiv, we're adding basic
 PHY support to dwc3 driver, this is to allow platforms which actually
 have a SW-controllable PHY talk to them through dwc3 driver.
 
 We're adding a new phy driver for the OMAP architecture. This driver
 is for the PHY found in OMAP4 SoCs, and a new phy driver for the
 marvell architecture. An extra phy driver - for Tegra SoCs - is now
 moving from arch/arm/mach-tegra* to drivers/usb/phy.
 
 Also here, there's the creation of <linux/usb/phy.h> which should be
 used from now on for PHY drivers, even those which don't support
 OTG.
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Merge tag 'xceiv-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb into next/cleanup2

usb: xceiv: patches for v3.7 merge window

nop xceiv got its own header to avoid polluting otg.h. It has also
learned to work as USB2 and USB3 phys so we can use it on USB3
controllers.

Together with those two changes to nop xceiv, we're adding basic
PHY support to dwc3 driver, this is to allow platforms which actually
have a SW-controllable PHY talk to them through dwc3 driver.

We're adding a new phy driver for the OMAP architecture. This driver
is for the PHY found in OMAP4 SoCs, and a new phy driver for the
marvell architecture. An extra phy driver - for Tegra SoCs - is now
moving from arch/arm/mach-tegra* to drivers/usb/phy.

Also here, there's the creation of <linux/usb/phy.h> which should be
used from now on for PHY drivers, even those which don't support
OTG.

* tag 'xceiv-for-v3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/balbi/usb:
  usb: otg: mxs-phy: Fix mx23 operation
  usb: dwc3: add basic PHY support
  usb: dwc3: exynos: add nop transceiver support
  usb: dwc3: omap: add nop transceiver support
  usb: dwc3: pci: add nop transceiver support
  usb: otg: move the dereference below the NULL test
  arm: omap: phy: remove unused functions from omap-phy-internal.c
  usb: twl4030: Add device tree support for twl4030 usb
  usb: twl6030: Add dt support for twl6030 usb
  usb: otg: make twl6030_usb as a comparator driver to omap_usb2
  usb: phy: add a new driver for omap usb2 phy
  usb: phy: fix build break
  usb: move phy driver from mach-tegra to drivers/usb
  usb: otg: Move phy interface to separate file.
  usb: phy: isp1301: Remove unused static array and define
  usb: phy: mv_u3d: Add usb phy driver for mv_u3d
  usb: otg: Remove the unneeded NULL check
  usb: xceiv: nop: let it work as USB2 and USB3 phy
  usb: xceiv: create nop-usb-xceiv.h and avoid pollution on otg.h

Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-20 20:07:19 -07:00
Olof Johansson
32dec75349 ARM: tegra: switch to dmaengine
The Tegra code-base has contained both a legacy DMA and a dmaengine
 driver since v3.6-rcX. This series flips Tegra's defconfig to enable
 dmaengine rather than the legacy driver, and removes the legacy driver
 and all client code.
 
 The branch is based on v3.6-rc6 in order to pick up a bug-fix to the
 ASoC Tegra PCM driver that's required for audio to work correctly when
 using dmaengine.
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Merge tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/cleanup

ARM: tegra: switch to dmaengine

The Tegra code-base has contained both a legacy DMA and a dmaengine
driver since v3.6-rcX. This series flips Tegra's defconfig to enable
dmaengine rather than the legacy driver, and removes the legacy driver
and all client code.

* tag 'tegra-for-3.7-dmaengine' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ASoC: tegra: remove support of legacy DMA driver based access
  spi: tegra: remove support of legacy DMA driver based access
  ARM: tegra: apbio: remove support of legacy DMA driver based access
  ARM: tegra: dma: remove legacy APB DMA driver
  ARM: tegra: config: enable dmaengine based APB DMA driver
  + sync to 3.6-rc6
2012-09-20 19:57:38 -07:00
Stephen Warren
740418ef19 ARM: tegra: harmony: fix ldo7 regulator-name
On Harmony, LDO7 does not feed vdd_fuse. Correct the regulator name.
This issue was probably the result of copying Ventana's regulator setup
when creating the Harmony .dts file. No other naming issues appear to
exist.

Reported-by: Thierry Reding <thierry.reding@avionic-design.de>
Signed-off-by: Stephen Warren <swarren@nvidia.com>
Signed-off-by: Olof Johansson <olof@lixom.net>
2012-09-20 19:54:02 -07:00
David S. Miller
b216a4d86f Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/jkirsher/net-next
Jeff Kirsher says:

====================
This series contains updates to igb and ixgbevf.

v2: updated patch description in 04 patch (ixgbevf: scheduling while
    atomic in reset hw path)
 ...
Akeem G. Abodunrin (1):
  igb: Support to enable EEE on all eee_supported devices

Alexander Duyck (2):
  igb: Remove artificial restriction on RQDPC stat reading
  ixgbevf: Add support for VF API negotiation

John Fastabend (1):
  ixgbevf: scheduling while atomic in reset hw path
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-20 22:33:42 -04:00
Ed Cashin
c0d680e577 net: do not disable sg for packets requiring no checksum
A change in a series of VLAN-related changes appears to have
inadvertently disabled the use of the scatter gather feature of
network cards for transmission of non-IP ethernet protocols like ATA
over Ethernet (AoE).  Below is a reference to the commit that
introduces a "harmonize_features" function that turns off scatter
gather when the NIC does not support hardware checksumming for the
ethernet protocol of an sk buff.

  commit f01a5236bd
  Author: Jesse Gross <jesse@nicira.com>
  Date:   Sun Jan 9 06:23:31 2011 +0000

      net offloading: Generalize netif_get_vlan_features().

The can_checksum_protocol function is not equipped to consider a
protocol that does not require checksumming.  Calling it for a
protocol that requires no checksum is inappropriate.

The patch below has harmonize_features call can_checksum_protocol when
the protocol needs a checksum, so that the network layer is not forced
to perform unnecessary skb linearization on the transmission of AoE
packets.  Unnecessary linearization results in decreased performance
and increased memory pressure, as reported here:

  http://www.spinics.net/lists/linux-mm/msg15184.html

The problem has probably not been widely experienced yet, because
only recently has the kernel.org-distributed aoe driver acquired the
ability to use payloads of over a page in size, with the patchset
recently included in the mm tree:

  https://lkml.org/lkml/2012/8/28/140

The coraid.com-distributed aoe driver already could use payloads of
greater than a page in size, but its users generally do not use the
newest kernels.

Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-20 22:23:40 -04:00
Ed Cashin
8babe8cc65 aoe: assert AoE packets marked as requiring no checksum
In order for the network layer to see that AoE requires
no checksumming in a generic way, the packets must be
marked as requiring no checksum, so we make this requirement
explicit with the assertion.

Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-20 22:23:40 -04:00
Devendra Naga
3cfc159010 at91ether: return PTR_ERR if call to clk_get fails
we are currently returning ENODEV, as the clk_get may give a exact
error code in its returned pointer, assign it to the ret by using the
PTR_ERR function, so that the subsequent goto label will jump to the
error path and clean the driver and return the error correctly.

Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Acked-by: Nicolas Ferre <nicolas.ferre@atmel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-20 22:21:40 -04:00
Tushar Behera
c8c24dad23 ARM: dts: Enable on-board keys as wakeup source for exynos4210-origen
On board keys on Origen board can serve as wakeup sources,
hence they are marked accordingly in the device tree file.

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 11:13:33 +09:00
Chander Kashyap
13acc29119 ARM: SAMSUNG: Add check for NULL in clock interface
The clock instance parameter in Samsung clock interface is not being checked
for NULL pointers. Add checks for NULL pointers.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 11:08:32 +09:00
Chander Kashyap
377acfbbcf ARM: EXYNOS: Put PCM, Slimbus, Spdif clocks to off state
The clocks for PCM, Slimbus, Spdif added to off list in order
to turn them off at boot time.

Signed-off-by: Chander Kashyap <chander.kashyap@linaro.org>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Acked-by: Sangbeom Kim <sbkim73@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 11:06:00 +09:00
Joe Perches
127a479442 net1080: Neaten netdev_dbg use
Remove unnecessary temporary variable and #ifdef DEBUG block.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-09-20 22:05:22 -04:00
Kukjin Kim
3c817102ea ARM: dts: use uart2 for console on smdkv310 and smdk5250
Cc: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 11:04:20 +09:00
Leela Krishna Amudala
a5e0c15dc8 ARM: EXYNOS: Add bus clock for FIMD
This patch adds the bus clock for FIMD and changes the device name
for lcd clock

Signed-off-by: Leela Krishna Amudala <l.krishna@samsung.com>
Reviewed-by: Jingoo Han <jg1.han@samsung.com>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 10:51:44 +09:00
Tomasz Figa
d105f0b121 ARM: dts: Add basic dts file for Samsung Trats board
This commit adds basic device tree for Exynos4210-based Trats board.
Currently it provides support for eMMC over sdhci and MAX8997 PMIC.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Reviewed-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 10:50:27 +09:00
Tomasz Figa
6cc8896035 ARM: EXYNOS: Add OF compatibility lookups for EXYNOS4 i2c adapters
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 10:47:24 +09:00
Tomasz Figa
1b198d56d3 ARM: dts: Specify address and size cells for i2c controllers for EXYNOS4
Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 10:47:24 +09:00
Tomasz Figa
c9e23f00cd ARM: dts: Assume status of all optional nodes as disabled for exynos4
Currently all boards must explicitly disable all unused device tree
nodes of unused components (e.g. i2c, sdhci, etc...). This makes it
necessary to all boards to be aware of all components on the SoC, which
in turns makes board dts files longer and more difficult to maintain
(e.g. adding new components to SoC-level tree requires adding nodes with
status="disabled" to every board).

This patch changes "status" of all optional components in SoC-level dts
file to "disabled", adds status="okay" to respective nodes of used
components in dts of all boards and removes all nodes with only
status="disabled" from boards dts.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 10:47:23 +09:00
Tomasz Figa
3579a58240 ARM: EXYNOS: Use exynos4 prefix instead of exynos4210 on exynos4-dt
Since mach-exynos4-dt.c is also going to be used for other SoCs from EXYNOS4
line, rename internal structures and functions to use exynos4_ prefix, instead
of exynos4210_.

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 10:47:22 +09:00
Tomasz Figa
b571abb3b6 ARM: dts: Move parts common to EXYNOS4 from exynos4210.dtsi to exynos4.dtsi
Most definitions from exynos4210.dtsi can be applied for other SoCs from
EXYNOS4 line as well, so move the common part into separate file that
can be included by dtsi files of other EXYNOS4 SoCs (as well as current
exynos4210.dtsi).

Signed-off-by: Tomasz Figa <t.figa@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Thomas Abraham <thomas.abraham@linaro.org>
[kgene.kim@samsung.com: Dongjin Kim <dongjin.kim@agreeyamobility.net>
submitted a similar patch 'Add DTS files derived from common EXYNOS4'
before this but I picked this up because of included exynos4x12 stuff]
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-09-21 10:47:08 +09:00
Kim, Milo
b9633ef1a9 lp8727_charger: More pure cosmetic improvements
This is really minor, but it improves the readability.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:07:23 -07:00
Kim, Milo
18259cac98 lp8727_charger: Fix checkpatch warning
Fix the warning on MODULE_AUTHOR.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:07:14 -07:00
Kim, Milo
1ae9df7d49 lp8727_charger: Add description in the private data
Add description and relocate data.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:07:06 -07:00
Kim, Milo
56d99ed93a lp8727_charger: Fix a typo - chg_parm to chg_param
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:06:54 -07:00
Kim, Milo
5e00b9761b lp8727_charger: Make some cosmetic changes in lp8727_delayed_func()
Declare a variable at one line and align lines.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:06:30 -07:00
Kim, Milo
20414e2e0e lp8727_charger: Clean up lp8727_charger_changed()
Declare a variable at one line. Just return when no charger exists to make
code simpler.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:06:13 -07:00
Kim, Milo
e06374b0d6 lp8727_charger: Return if the battery is discharging
If the charger is pulled out, just return as DISCHARGING. Then no need for
additional 'else' statement.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:05:55 -07:00
Kim, Milo
b59c93c009 lp8727_charger: Make lp8727_charger_get_propery() simpler
Charger has only one valid property - ONLINE. If the property is not
ONLINE, then just return quickly.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:05:39 -07:00
Kim, Milo
91a696330c lp8727_charger: Make lp8727_ctrl_switch() inline
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:05:28 -07:00
Kim, Milo
70be130529 lp8727_charger: Make lp8727_init_device() shorter
Just return with lp8727_write_byte(), no need to check its value.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:04:29 -07:00
Kim, Milo
65272bac3a lp8727_charger: Clean up lp8727_is_charger_attached()
Change return type to boolean. Remove unnecessary check routine for NULL
string. (Power supply name is always valid when the function is executed.)

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:04:00 -07:00
Kim, Milo
18763a36d0 lp8727_charger: Use specific definition
Add new LP8727_ICHG_SHIFT definition and replace a magic number. Reuse
definition for the size of interrupt register buffer.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:03:45 -07:00
Kim, Milo
6029719f08 lp8727_charger: Clean up lp8727 definitions
All definitions should be unique, since they're in the gloabl namespace.
So the prefix LP8727_ are added. Additionally, use BIT() macro for bit
masks. Remove unnecessary definitions such as SW_DM1_U1 and SW_DP2_U2.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:01:33 -07:00
Kim, Milo
faaae9bbb1 lp8727_charger: Use the definition rather than enum
Enum lp8727_chg_state can be removed because only one charger status is
used - EOC(End Of Charge).

To check whether the EOC is reached or not, use simple comparison rather
than shift-operation.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:01:15 -07:00
Kim, Milo
b1ad079680 lp8727_charger: Fix code for getting battery temp
For better understanding, use specific function and definitions rather
than magic numbers. New enum type for die temperature is matched with hex
codes. Specific temperature names are better than 0x1, 0x2 and 0x3.

And lp8727_is_high_temperature() function has better readability than
comparing raw register values.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:00:55 -07:00
Kim, Milo
638555d276 lp8727_charger: Clear interrrupts at inital time
To initialize the device, previous interrupts need to be cleared while
loading the driver.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:00:38 -07:00
Kim, Milo
d71fda0161 lp8727_charger: Clean up the interrupt handler
For better understanding, function name is changed. (lp8727_intr_config()
is replaced with lp8727_setup_irq().)

The private IRQ number is set when the IRQ is allocated successfully. This
data is used for releasing the IRQ on unloading the driver. Even the IRQ
number is not defined, the driver should be operated. In this case, just
return as 0.

In additional function lp8727_release_irq(), the workqueue is canceled and
the allocated IRQ is released.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 18:00:08 -07:00
Kim, Milo
2a0925827b lp8727_charger: Remove unnecessary workqueue thread
LP8727 has two IRQ threads. One is the I2C HW IRQ pin, the other is for
delayed interrupt processing. But this delayed processing can be handled
without additional single thread by using schedule_delayed_work() with
jiffies time value.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:57:49 -07:00
Kim, Milo
60fd57e06e lp8727_charger: Add configurable debouce timer
Debounce time is configurable in the platform side. If it is not defined,
the default value is 270ms.

Platform data is msec unit, and this time is converted to jiffies
internally. The workqueue uses this jiffies time in the interrupt
handling. So debounce_jiffies is added in the private data.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:57:12 -07:00
Kim, Milo
318cb389d0 lp8727_charger: Fix buggy code of NULL pdata
LP8727 platform data is optional, so the driver should work even the
platform data is NULL.

To check the platform data, charging parameter data should be changed to
the pointer type.

Fix NULL point access problem when getting the battery properties. When
the data is NULL, just return as invalid value.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:56:49 -07:00
Kim, Milo
fb9adc5190 lp8727_charger: Cleanup _probe() and _remove()
If the lp8727_register_psy() gets failed, registered interrupt handler
should be freed, but this is not complete solution. It has still problem.
Assume that the IRQ occurs while unregistering power supply devices. Then
the ISR will access to freed IRQ.

From Anton's opinion, it can be resolved if re-ordering the call sequence.

Register power supplies first, then create interrupt handler. Then no need
to free the IRQ in _probe(). Additionally goto statements can be removed
because those can be replaced with return statements.

The _remove() should be changed the sequence - in reverse order of
_probe()

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:55:34 -07:00
Kim, Milo
74727c5715 lp8727_charger: Use devm_kzalloc()
Use devm_kzalloc() rather than kzalloc()/kfree() to make
allocating/freeing the private data simpler.

Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:51:57 -07:00
Olof Johansson
7a5551c727 ARM: tegra: second round of device tree changes
This branch includes some late device tree changes for Tegra:
 
 A property is added to Whistler's device tree to enable the PMIC to
 act as the pm_power_off() implementation.
 
 A number of new device tree are added for boards from Avionic Design.
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Merge tag 'tegra-for-3.7-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra into next/dt

ARM: tegra: second round of device tree changes

This branch includes some late device tree changes for Tegra:

A property is added to Whistler's device tree to enable the PMIC to
act as the pm_power_off() implementation.

A number of new device tree are added for boards from Avionic Design.

* tag 'tegra-for-3.7-dt2' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-tegra:
  ARM: tegra: Add Avionic Design Tamonten Evaluation Carrier support
  ARM: tegra: Add Avionic Design Medcom-Wide support
  ARM: tegra: Add Avionic Design Plutux support
  ARM: tegra: Add Avionic Design Tamonten support
  ARM: tegra: dts: Add pwm label
  ARM: dt: tegra: whistler: configure power off
2012-09-20 17:29:58 -07:00
Olof Johansson
3aec092eed ARM: add basic BCM2835 SoC and Raspberry Pi board support
The BCM2835 is an ARM SoC from Broadcom. This patch adds very basic
 support for this SoC; enough to boot the system into an initrd with
 UART console, interrupt controller, timers, and a stub clock driver.
 
 Also provided is a similarly basic device tree for the Raspberry Pi
 Model B board.
 
 This series was written by Simon Arlott, Chris Boot, and Dom Cobley
 downstream, with reference to a Broadcom tree, and modified for upstream
 and submitted by Stephen Warren.
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Merge tag 'rpi-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi into next/soc

ARM: add basic BCM2835 SoC and Raspberry Pi board support

The BCM2835 is an ARM SoC from Broadcom. This patch adds very basic
support for this SoC; enough to boot the system into an initrd with
UART console, interrupt controller, timers, and a stub clock driver.

Also provided is a similarly basic device tree for the Raspberry Pi
Model B board.

This series was written by Simon Arlott, Chris Boot, and Dom Cobley
downstream, with reference to a Broadcom tree, and modified for upstream
and submitted by Stephen Warren.

* tag 'rpi-for-3.7' of git://git.kernel.org/pub/scm/linux/kernel/git/swarren/linux-rpi:
  MAINTAINERS: add an entry for the BCM2835 ARM sub-architecture
  ARM: bcm2835: instantiate console UART
  ARM: bcm2835: add stub clock driver
  ARM: bcm2835: add system timer
  ARM: bcm2835: add interrupt controller driver
  ARM: add infra-structure for BCM2835 and Raspberry Pi
2012-09-20 17:10:51 -07:00
Chuansheng Liu
80c9d03c22 pstore: Avoid recursive spinlocks in the oops_in_progress case
Like 8250 driver, when pstore is registered as a console,
to avoid recursive spinlocks when panic happening, change the
spin_lock_irqsave to spin_trylock_irqsave when oops_in_progress
is true.

Signed-off-by: liu chuansheng <chuansheng.liu@intel.com>
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
2012-09-20 17:04:50 -07:00