| Commit message (Collapse) | Author | Age | Files | Lines |
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM soc multiplatform enablement from Olof Johansson:
"This is a pretty significant branch. It's the introduction of the
first multiplatform support on ARM, and with this (and the later
branch) merged, it is now possible to build one kernel that contains
support for highbank, vexpress, mvebu, socfpga, and picoxcell. More
platforms will be convered over in the next few releases.
Two critical last things had to be done for this to be practical and
possible:
* Today each platform has its own include directory under
mach-<mach>/include/mach/*, and traditionally that is where a lot
of driver/platform shared definitions have gone, such as platform
data structures. They now need to move out to a common location
instead, and this branch moves a large number of those out to
include/linux/platform_data.
* Each platform used to list the device trees to compile for its
boards in mach-<mach>/Makefile.boot.
Both of the above changes will mean that there are some merge
conflicts to come (and some to resolve here). It's a one-time move
and once it settles in, we should be good for quite a while. Sorry
for the overhead."
Fix conflicts as per Olof.
* tag 'multiplatform' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (51 commits)
ARM: add v7 multi-platform defconfig
ARM: msm: Move core.h contents into common.h
ARM: highbank: call highbank_pm_init from .init_machine
ARM: dtb: move all dtb targets to common Makefile
ARM: spear: move platform_data definitions
ARM: samsung: move platform_data definitions
ARM: orion: move platform_data definitions
ARM: vexpress: convert to multi-platform
ARM: initial multiplatform support
ARM: mvebu: move armada-370-xp.h in mach dir
ARM: vexpress: remove dependency on mach/* headers
ARM: picoxcell: remove dependency on mach/* headers
ARM: move all dtb targets out of Makefile.boot
ARM: picoxcell: move debug macros to include/debug
ARM: socfpga: move debug macros to include/debug
ARM: mvebu: move debug macros to include/debug
ARM: vexpress: move debug macros to include/debug
ARM: highbank: move debug macros to include/debug
ARM: move debug macros to common location
ARM: make mach/gpio.h headers optional
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Platform data for device drivers should be defined in
include/linux/platform_data/*.h, not in the architecture
and platform specific directories.
This moves such data out of the imx include directories
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Mauro Carvalho Chehab <mchehab@redhat.com>
Acked-by: Sascha Hauer <kernel@pengutronix.de>
Acked-by: Vinod Koul <vinod.koul@linux.intel.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Dan Williams <djbw@fb.com>
Cc: "Ben Dooks (embedded platforms)" <ben-linux@fluff.org>
Cc: "Wolfram Sang (embedded platforms)" <w.sang@pengutronix.de>
Cc: Chris Ball <cjb@laptop.org>
Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Alan Cox <alan@linux.intel.com>
Cc: Felipe Balbi <balbi@ti.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Cc: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Cc: Liam Girdwood <lrg@ti.com>
Cc: Javier Martin <javier.martin@vista-silicon.com>
Cc: Shawn Guo <shawn.guo@linaro.org>
Cc: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
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The various devm_ functions allocate memory that is released when a driver
detaches. This patch uses these functions for data that is allocated in
the probe function of a platform device and is only freed in the remove
function.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This patch (as1564c) converts the EHCI platform drivers to use the
central ehci_setup() routine for generic controller initialization
rather than each having its own idiosyncratic approach.
The major point of difficulty lies in ehci-pci's many vendor- and
device-specific workarounds. Some of them have to be applied before
calling ehci_setup() and some after, which necessitates a fair amount
of code motion. The other platform drivers require much smaller
changes.
One point not addressed by the patch is whether ports should be
powered on or off following initialization. The different drivers
appear to handle this pretty much at random. In fact it shouldn't
matter, because the hub driver turns on power to all ports when it
binds to the root hub. Straightening that out will be left for
another day.
Signed-off-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Every i.MX ehci controller has a ahb and a ipg clock, so request
it on every SoC. Do not make a special case for the usb phy clock
of the i.MX51. Just request it but make it optional.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This changes the otg functions so that they receive struct
otg instead of struct usb_phy as parameter and
converts all users of these functions to pass the otg member
of their usb_phy.
Includes fixes to IMX code from Sascha Hauer.
[ balbi@ti.com : fixed a compile warning on ehci-mv.c ]
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Acked-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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Use the new usb_phy_* functions with transceiver
operations instead of the old otg functions.
Includes fixes from Sascha Hauer.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Acked-by: Pavankumar Kondeti <pkondeti@codeaurora.org>
Acked-by: Li Yang <leoli@freescale.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Marek Vasut <marek.vasut@gmail.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
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This flag is a NOOP and can be removed now.
Signed-off-by: Yong Zhang <yong.zhang0@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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As cpu_is_mx stuff is being used in the driver, header mach/hardware.h
should be explicitly included.
The missing of the header is causing today's linux-next build error
as bleow.
CC drivers/usb/host/ehci-hcd.o
In file included from linux-next/drivers/usb/host/ehci-hcd.c:1190:0:
linux-next/drivers/usb/host/ehci-mxc.c: In function 'ehci_mxc_drv_probe':
linux-next/drivers/usb/host/ehci-mxc.c:175:2: error: implicit declaration of function 'cpu_is_mx35'
linux-next/drivers/usb/host/ehci-mxc.c:175:2: error: implicit declaration of function 'cpu_is_mx25'
linux-next/drivers/usb/host/ehci-mxc.c:185:2: error: implicit declaration of function 'cpu_is_mx51'
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The two first HC capability registers (CAPLENGTH and HCIVERSION)
are defined as one 8-bit and one 16-bit register. Most HC
implementations have selected to treat these registers as part
of a 32-bit register, giving the same layout for both big and
small endian systems.
This patch adds a new quirk, big_endian_capbase, to support
controllers with big endian register interfaces that treat
HCIVERSION and CAPLENGTH as individual registers.
Signed-off-by: Jan Andersson <jan@gaisler.com>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The mxc-ehci driver calls SoC specific phy initialization right after
calling board specific initialization. To offer greater flexibility for
boards to setup the phy and to get rid of some unnecessary flags in
platform data this patch lets the boards call the SoC specific phy
initialization and remove it from the driver.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Add support for setting CHRGVBUS to workaround a hardware bug on efika mx/sb
boards.
See http://lists.infradead.org/pipermail/linux-arm-kernel/2011-January/037341.html
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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commit 711669e5b80b6f2d88f61ed8a9681f83d8cbd201 fixed port 0 support
for i.MX51 but broke it for (at least) i.MX27 which doesn't have
a usb_phy1 clock but has a pdev->id 0.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Cc: Arnaud Patard <arnaud.patard@rtp-net.org>
Cc: Sascha Hauer <s.hauer@pengutronix.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-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (144 commits)
USB: add support for Dream Cheeky DL100B Webmail Notifier (1d34:0004)
USB: serial: ftdi_sio: add support for TIOCSERGETLSR
USB: ehci-mxc: Setup portsc register prior to accessing OTG viewport
USB: atmel_usba_udc: fix freeing irq in usba_udc_remove()
usb: ehci-omap: fix tll channel enable mask
usb: ohci-omap3: fix trivial typo
USB: gadget: ci13xxx: don't assume that PAGE_SIZE is 4096
USB: gadget: ci13xxx: fix complete() callback for no_interrupt rq's
USB: gadget: update ci13xxx to work with g_ether
USB: gadgets: ci13xxx: fix probing of compiled-in gadget drivers
Revert "USB: musb: pm: don't rely fully on clock support"
Revert "USB: musb: blackfin: pm: make it work"
USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path
USB: uas: Ensure we only bind to a UAS interface
USB: uas: Rename sense pipe and sense urb to status pipe and status urb
USB: uas: Use kzalloc instead of kmalloc
USB: uas: Fix up the Sense IU
usb: musb: core: kill unneeded #include's
DA8xx: assign name to MUSB IRQ resource
usb: gadget: g_ncm added
...
Manually fix up trivial conflicts in USB Kconfig changes in:
arch/arm/mach-omap2/Kconfig
arch/sh/Kconfig
drivers/usb/Kconfig
drivers/usb/host/ehci-hcd.c
and annoying chip clock data conflicts in:
arch/arm/mach-omap2/clock3xxx_data.c
arch/arm/mach-omap2/clock44xx_data.c
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In order to read/write to the i.MX OTG viewport register it is necessary to setup
the PORTSCx register first.
By default i.MX OTG port is configured for USB serial PHY. In order to use a ULPI PHY
the PORTSCx register needs to be configured properly.
commit 724c852 (USB: ehci/mxc: compile fix) placed the PORTSC setup after the OTG
viewport is accessed and this causes ULPI read/write to fail.
Revert the PORTSC setup order.
Tested on a MX31PDK board with a ISP1504 transceiver:
ehci_hcd: USB 2.0 'Enhanced' Host Controller (EHCI) Driver
mxc-ehci mxc-ehci.0: initializing i.MX USB Controller
ULPI transceiver vendor/product ID 0x04cc/0x1504
Found NXP ISP1504 ULPI transceiver.
ULPI integrity check: passed.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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* usb-next: (132 commits)
USB: uas: Use GFP_NOIO instead of GFP_KERNEL in I/O submission path
USB: uas: Ensure we only bind to a UAS interface
USB: uas: Rename sense pipe and sense urb to status pipe and status urb
USB: uas: Use kzalloc instead of kmalloc
USB: uas: Fix up the Sense IU
usb: musb: core: kill unneeded #include's
DA8xx: assign name to MUSB IRQ resource
usb: gadget: g_ncm added
usb: gadget: f_ncm.c added
usb: gadget: u_ether: prepare for NCM
usb: pch_udc: Fix setup transfers with data out
usb: pch_udc: Fix compile error, warnings and checkpatch warnings
usb: add ab8500 usb transceiver driver
USB: gadget: Implement runtime PM for MSM bus glue driver
USB: gadget: Implement runtime PM for ci13xxx gadget
USB: gadget: Add USB controller driver for MSM SoC
USB: gadget: Introduce ci13xxx_udc_driver struct
USB: gadget: Initialize ci13xxx gadget device's coherent DMA mask
USB: gadget: Fix "scheduling while atomic" bugs in ci13xxx_udc
USB: gadget: Separate out PCI bus code from ci13xxx_udc
...
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Several of the EHCI glue drivers either predate or were merged in the
same timeframe as API changes at the USB core level, resulting in some
missing endpoint_reset and clear_tt_buffer_complete callbacks.
This fixes up all of ehci-atmel, mxc, w90x900, and xilinx-of to tie in
the new helpers, which brings them in line with everyone else.
Reported-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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Current code doesn't really enable the usb clocks so if they're disabled
when booting linux, the kernel/machine will hang as soon as someone is trying
to read a usb register
Signed-off-by: Arnaud Patard <arnaud.patard@rtp-net.org>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Commit
65fd427 (USB: ehci tdi : let's tdi_reset set host mode)
broke the build using ARM's mx51_defconfig:
CC drivers/usb/host/ehci-hcd.o
In file included from drivers/usb/host/ehci-hcd.c:1166:
drivers/usb/host/ehci-mxc.c: In function 'ehci_mxc_drv_probe':
drivers/usb/host/ehci-mxc.c:192: error: 'ehci' undeclared (first use in this function)
drivers/usb/host/ehci-mxc.c:192: error: (Each undeclared identifier is reported only once
drivers/usb/host/ehci-mxc.c:192: error: for each function it appears in.)
drivers/usb/host/ehci-mxc.c:117: warning: unused variable 'temp'
make[3]: *** [drivers/usb/host/ehci-hcd.o] Error 1
make[2]: *** [drivers/usb/host/ehci-hcd.o] Error 2
make[1]: *** [sub-make] Error 2
make: *** [all] Error 2
Fix it together with the warning about the unused variable and use
msleep instead of mdelay as requested by Alan Stern.
Cc: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Tested-by: Nguyen Dinh-R00091 <R00091@freescale.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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tdi_reset is already taking care of setting host mode for tdi devices.
Don't duplicate code in platform driver.
Make ehci_halt a nop if the controller is not in host mode (otherwise it
will fail), and let's ehci_reset do the tdi_reset.
We need to move hcd->has_tt flags before ehci_halt, in order ehci_halt
knows we are a tdi device.
Before the setup routine was doing :
- put controller in host mode
- ehci_halt
- ehci_init
- hcd->has_tt = 1;
- ehci_reset
Now we do :
- hcd->has_tt = 1;
- ehci_halt
- ehci_init
- ehci_reset
PS : now we handle correctly the device -> host transition.
Signed-off-by: Matthieu CASTET <matthieu.castet@parrot.com>
Cc: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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devel-stable
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i.MX25's EHCI is the same as i.MX35's one.
Signed-off-by: Eric Bénard <eric@eukrea.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The old code registered the hcd even if there were no transceivers
detected, leading to oopses like this if we try to probe a non-existant
ULPI:
[ 2.730000] mxc-ehci mxc-ehci.0: unable to init transceiver
[ 2.740000] timeout polling for ULPI device
[ 2.740000] timeout polling for ULPI device
[ 2.750000] mxc-ehci mxc-ehci.0: unable to enable vbus on transceiver
[ 2.750000] mxc-ehci mxc-ehci.0: Freescale On-Chip EHCI Host Controller
[ 2.760000] mxc-ehci mxc-ehci.0: new USB bus registered, assigned bus number 2
[ 2.770000] Unhandled fault: external abort on non-linefetch (0x808) at 0xc4876184
[ 2.770000] Internal error: : 808 [#1] PREEMPT
[ 2.770000] last sysfs file:
[ 2.770000] Modules linked in:
[ 2.770000] CPU: 0 Not tainted (2.6.33.5 #5)
[ 2.770000] PC is at ehci_hub_control+0x4d4/0x8f8
[ 2.770000] LR is at ehci_mxc_setup+0xbc/0xdc
[ 2.770000] pc : [<c0196dfc>] lr : [<c019bc8c>] psr: 00000093
[ 2.770000] sp : c3815e40 ip : 00000001 fp : 60000013
[ 2.770000] r10: c4876184 r9 : 00000000 r8 : c3814000
[ 2.770000] r7 : c391d2cc r6 : 00000001 r5 : 00000001 r4 : 00000000
[ 2.770000] r3 : 80000000 r2 : 00000007 r1 : 80000000 r0 : c4876184
[ 2.770000] Flags: nzcv IRQs off FIQs on Mode SVC_32 ISA ARM Segment kernel
[ 2.770000] Control: 0005317f Table: a0004000 DAC: 00000017
[ 2.770000] Process swapper (pid: 1, stack limit = 0xc3814270)
...
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: stable <stable@kernel.org>
Acked-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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This patch adds USB HW initializiation code to /plat-mxc/ehci.c.
-Sets some specific PHY settings
Renames mxc_set_usbcontrol to mxc_initialize_usb_hw.
Adds new register bit defines for the USB HW on Freescale
SoCs.
This patch applies to 2.6.34-rc6.
Signed-off-by: Dinh Nguyen <Dinh.Nguyen@freescale.com>
Reviewed-by: Daniel Mack <daniel@caiaq.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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implicit slab.h inclusion from percpu.h
percpu.h is included by sched.h and module.h and thus ends up being
included when building most .c files. percpu.h includes slab.h which
in turn includes gfp.h making everything defined by the two files
universally available and complicating inclusion dependencies.
percpu.h -> slab.h dependency is about to be removed. Prepare for
this change by updating users of gfp and slab facilities include those
headers directly instead of assuming availability. As this conversion
needs to touch large number of source files, the following script is
used as the basis of conversion.
http://userweb.kernel.org/~tj/misc/slabh-sweep.py
The script does the followings.
* Scan files for gfp and slab usages and update includes such that
only the necessary includes are there. ie. if only gfp is used,
gfp.h, if slab is used, slab.h.
* When the script inserts a new include, it looks at the include
blocks and try to put the new include such that its order conforms
to its surrounding. It's put in the include block which contains
core kernel includes, in the same order that the rest are ordered -
alphabetical, Christmas tree, rev-Xmas-tree or at the end if there
doesn't seem to be any matching order.
* If the script can't find a place to put a new include (mostly
because the file doesn't have fitting include block), it prints out
an error message indicating which .h file needs to be added to the
file.
The conversion was done in the following steps.
1. The initial automatic conversion of all .c files updated slightly
over 4000 files, deleting around 700 includes and adding ~480 gfp.h
and ~3000 slab.h inclusions. The script emitted errors for ~400
files.
2. Each error was manually checked. Some didn't need the inclusion,
some needed manual addition while adding it to implementation .h or
embedding .c file was more appropriate for others. This step added
inclusions to around 150 files.
3. The script was run again and the output was compared to the edits
from #2 to make sure no file was left behind.
4. Several build tests were done and a couple of problems were fixed.
e.g. lib/decompress_*.c used malloc/free() wrappers around slab
APIs requiring slab.h to be added manually.
5. The script was run on all .h files but without automatically
editing them as sprinkling gfp.h and slab.h inclusions around .h
files could easily lead to inclusion dependency hell. Most gfp.h
inclusion directives were ignored as stuff from gfp.h was usually
wildly available and often used in preprocessor macros. Each
slab.h inclusion directive was examined and added manually as
necessary.
6. percpu.h was updated not to include slab.h.
7. Build test were done on the following configurations and failures
were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my
distributed build env didn't work with gcov compiles) and a few
more options had to be turned off depending on archs to make things
build (like ipr on powerpc/64 which failed due to missing writeq).
* x86 and x86_64 UP and SMP allmodconfig and a custom test config.
* powerpc and powerpc64 SMP allmodconfig
* sparc and sparc64 SMP allmodconfig
* ia64 SMP allmodconfig
* s390 SMP allmodconfig
* alpha SMP allmodconfig
* um on x86_64 SMP allmodconfig
8. percpu.h modifications were reverted so that it could be applied as
a separate patch and serve as bisection point.
Given the fact that I had only a couple of failures from tests on step
6, I'm fairly confident about the coverage of this conversion patch.
If there is a breakage, it's likely to be something in one of the arch
headers which should be easily discoverable easily on most builds of
the specific arch.
Signed-off-by: Tejun Heo <tj@kernel.org>
Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
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On various mxc boards, the intial ULPI reads resulted in a timeout
which prevented the transceiver to be identified and thus the ehci
device to be probed.
Initializing the hardware lines connected to the transceiver (through
pdata->init call) before actually enabling clocks and configuring
registers in the devices fixes this problem.
Signed-off-by: Valentin Longchamp <valentin.longchamp@epfl.ch>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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The Freescale MX27 and MX31 SoCs have a EHCI controller onboard.
The controller is capable of USB on the go. This patch adds
a driver to support all three of them.
Users have to pass details about serial interface configuration in the
platform data.
The USB OTG core used here is the ARC core, so the driver should
be renamed and probably be merged with ehci-fsl.c eventually.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Daniel Mack <daniel@caiaq.de>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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