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XLP2XX is first in the series of 28nm XLPII processors.
The changes are to:
* Add processor ID for XLP2XX to asm/cpu.h and kernel/cpu-probe.c.
* Add a cpu_is_xlpii() function to check for XLPII processors.
* Update xlp_mmu_init() to use config4 to enable extended TLB.
Signed-off-by: Jayachandran C <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5698/
Signed-off-by: Ralf Baechle <[email protected]>
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The flash chipselects can span 32MB, fix this in the built-in device
tree.
Signed-off-by: Jayachandran C <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5704/
Signed-off-by: Ralf Baechle <[email protected]>
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Do not pass a memory section in the built-in DTB, and let the
boot code use the values from the DRAM BARs.
Signed-off-by: Jayachandran C <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5699/
Signed-off-by: Ralf Baechle <[email protected]>
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Read the memory from the Bridge DRAM BARs, if it is not passed in
from the device tree. This will allow us to remove memory configuration
from built in device trees.
Signed-off-by: Jayachandran C <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5743/
Signed-off-by: Ralf Baechle <[email protected]>
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The ath79 code uses static clock devices and
provides its own clk_{get,put} implementations.
Change the code to use dynamically allocated
clock devices and register the clocks within
the clkdev framework.
Additionally, remove the local clk_{get,put}
implementation. The clkdev framework has a
common implementation of those.
Also move the call of ath79_clock_init() from
plat_mem_init() to plat_time_init(). Otherwise
it would not be possible to use memory allocation
functions from ath79clock_init() becasuse the
memory subsystem is not yet initialized when
plat_mem_init() runs.
Signed-off-by: Gabor Juhos <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5780/
Signed-off-by: Ralf Baechle <[email protected]>
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Use local variables for ref, cpu, ddr and ahb
rates in SoC specific clock init functions.
The patch has no functional changes, it is
an interim change in preparation of the next
patch.
Signed-off-by: Gabor Juhos <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5781/
Signed-off-by: Ralf Baechle <[email protected]>
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Instead of accessing the rate field of the static
clock devices directly, use the recently introduced
helper function to get the rate of the basic clocks.
The static ath79_{ahb,cpu,ddr,ref}_clk variables
will be removed by a subsequent patch. The actual
change is in preparation of that.
Also move the clock frequency printing code into
the plat_time_init function. We are getting the
cpu clock rate there already so we can save an
extra call of the helper.
Signed-off-by: Gabor Juhos <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5782/
Signed-off-by: Ralf Baechle <[email protected]>
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The ath79 platform uses similar code to get the
rate of various clocks during init. Separate the
similar code into a new helper function and use
that to avoid code duplication.
Signed-off-by: Gabor Juhos <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5778/
Signed-off-by: Ralf Baechle <[email protected]>
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The reference clock rate is passed in the first
argument of the function. Use that instead of the
rate of the global ath79_ref_clk variable.
Signed-off-by: Gabor Juhos <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5779/
Signed-off-by: Ralf Baechle <[email protected]>
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The watchdog device on the AR933x is connected to
the AHB clock, however the current code uses the
reference clock. Due to the wrong rate, the watchdog
driver can't calculate correct register values for
a given timeout value and the watchdog unexpectedly
restarts the system.
The code uses the wrong value since the initial
commit 04225e1d227c8e68d685936ecf42ac175fec0e54
(MIPS: ath79: add AR933X specific clock init)
The patch fixes the code to use the correct clock
rate to avoid the problem.
Cc: [email protected]
Signed-off-by: Felix Fietkau <[email protected]>
Signed-off-by: Gabor Juhos <[email protected]>
Cc: [email protected]
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5777/
Signed-off-by: Ralf Baechle <[email protected]>
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The ath79 code supports various SoCs which are using either a 24Kc
or a 74Kc core. The 74Kc core has DSP support, so don't hardwire
the values to zero.
Commit 00dc5ce2a653a332190aa29b2e1f3bceaa7d5b8d (MIPS: ath79: don't
hardcode the unavailability of the DSP ASE) has fixed this already,
but that change got reverted by 475032564ed96c94c085e3e7a90e07d150a7cec9
(MIPS: Hardwire detection of DSP ASE Rev 2 for systems, as required.)
Reported-by: Helmut Schaa <[email protected]>
Signed-off-by: Gabor Juhos <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5750/
Signed-off-by: Ralf Baechle <[email protected]>
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This add a default config for the Lantiq XWAY SoC.
Signed-off-by: John Crispin <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5796/
Signed-off-by: Ralf Baechle <[email protected]>
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The clocks of the serial ports were not setup properly.
Signed-off-by: Thomas Langer <[email protected]>
Acked-by: John Crispin <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5659/
Signed-off-by: Ralf Baechle <[email protected]>
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Add cpu-feature-override.h for the GPON SoC
Signed-off-by: Thomas Langer <[email protected]>
Acked-by: John Crispin <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5658/
Signed-off-by: Ralf Baechle <[email protected]>
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This driver so far only reads the core voltage.
Signed-off-by: John Crispin <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5677/
Signed-off-by: Ralf Baechle <[email protected]>
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This change sets the PCI devices' initial DMA capabilities
conservatively and promotes them at the request of the driver,
as opposed to assuming advanced DMA capabilities. The old design
runs the risk of breaking drivers that assume default capabilities.
Signed-off-by: Chris Metcalf <[email protected]>
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Should check the return value of kzalloc first to avoid the null pointer.
Then can dereference the non-null pointer to access the fields of struct
resource.
Signed-off-by: Wang Sheng-Hui <[email protected]>
Signed-off-by: Chris Metcalf <[email protected]>
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This was really only useful for TILE64 when we mapped the
kernel data with small pages. Now we use a huge page and we
really don't want to map different parts of the kernel
data in different ways.
We retain the __write_once name in case we want to bring
it back to life at some point in the future.
Note that this change uncovered a latent bug where the
"smp_topology" variable happened to always be aligned mod 8
so we could store two "int" values at once, but when we
eliminated __write_once it ended up only aligned mod 4.
Fix with an explicit annotation.
Signed-off-by: Chris Metcalf <[email protected]>
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This chip is no longer being actively developed for (it was superceded
by the TILEPro64 in 2008), and in any case the existing compiler and
toolchain in the community do not support it. It's unlikely that the
kernel works with TILE64 at this point as the configuration has not been
tested in years. The support is also awkward as it requires maintaining
a significant number of ifdefs. So, just remove it altogether.
Signed-off-by: Chris Metcalf <[email protected]>
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The definisions of __ffs(), __fls(), and ffs() for tile are almost same
as asm-generic/bitops-*.h. The only difference is that it is defined
as __always_inline or inline. So this switches to use those headers.
Signed-off-by: Akinobu Mita <[email protected]>
Signed-off-by: Chris Metcalf <[email protected]> [moved #includes to end]
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Signed-off-by: Chris Metcalf <[email protected]>
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We were rolling our own bundle_bits, which is unnecessary.
Signed-off-by: Chris Metcalf <[email protected]>
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There's no need to make up new ways of computing the addresses
of the Tilera hypervisor APIs; just use the standard method
of relying on the symbols to provide the addresses.
Signed-off-by: Chris Metcalf <[email protected]>
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Also fix mentions of it in #error statements.
Signed-off-by: Chris Metcalf <[email protected]>
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It was bombed away because it was previously marked as __devinit,
but it should be an __init function.
Signed-off-by: Chris Metcalf <[email protected]>
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If we wait until after including a bunch of other files, we
will have generated so much warning spew that it's hard to
notice the error about using the wrong compiler.
Signed-off-by: Chris Metcalf <[email protected]>
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Signed-off-by: Chris Metcalf <[email protected]>
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Signed-off-by: Chris Metcalf <[email protected]>
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Explain the rationale of not overlapping the 64-bit DMA window
with the PA range.
Signed-off-by: Chris Metcalf <[email protected]>
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It isn't used any more by us now that the generic kernel build
offers DEBUG_INFO_REDUCED, so just get rid of it.
Signed-off-by: Chris Metcalf <[email protected]>
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We use virt_to_pte(NULL, va) a lot, which isn't very obvious.
I added virt_to_kpte(va) as a more obvious wrapper function,
that also validates the va as being a kernel adddress.
And, I fixed the semantics of virt_to_pte() so that we handle
the pud and pmd the same way, and we now document the fact that
we handle the final pte level differently.
Signed-off-by: Chris Metcalf <[email protected]>
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Allow enabling frame pointer support; this makes it easier to hook
into the various kernel features that claim they require it without
having to add Kconfig conditionals everywhere (a la mips, ppc, s390,
and microblaze). When enabled, it basically eliminates leaf functions
as such, and stops optimizing tail and sibling calls. It adds around
3% to the size of the kernel when enabled.
Signed-off-by: Chris Metcalf <[email protected]>
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Newer hypervisors have an API for reporting per-cpu statistics
information. This change allows seeing that information via
/sys/devices/system/cpu/cpuN/hv_stats file for each core.
Signed-off-by: Chris Metcalf <[email protected]>
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Enter kernel debugger at boot with:
--hvd UART_1=1 --hvx kgdbwait --hvx kgdboc=ttyS1,115200
or at runtime with:
echo ttyS1,115200 > /sys/module/kgdboc/parameters/kgdboc
echo g > /proc/sysrq-trigger
Signed-off-by: Chris Metcalf <[email protected]>
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The TILE-Gx chip includes an on-chip UART. This change adds support
for using the UART from within the kernel. The UART shim has more
functionality than is exposed here, but to keep the kernel code and
binary simpler, this is a subset of the full API designed to enable
a standard Linux tty serial driver only.
Signed-off-by: Chris Metcalf <[email protected]>
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The existing code relied on the hardware definition (<arch/chip.h>)
to specify how much VA and PA space was available. It's convenient
to allow customizing this for some configurations, so provide symbols
MAX_PA_WIDTH and MAX_VA_WIDTH in <asm/page.h> that can be modified
if desired.
Additionally, move away from the MEM_XX_INTRPT nomenclature to
define the start of various regions within the VA space. In fact
the cleaner symbol is, for example, MEM_SV_START, to indicate the
start of the area used for supervisor code; the actual address of the
interrupt vectors is not as important, and can be changed if desired.
As part of this change, convert from "intrpt1" nomenclature (which
built in the old privilege-level 1 model) to a simple "intrpt".
Also strip out some tilepro-specific code supporting modifying the
PL the kernel could run at, since we don't actually support using
different PLs in tilepro, only tilegx.
Signed-off-by: Chris Metcalf <[email protected]>
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Technically, user privilege is anything less than kernel
privilege. We modify the existing user_mode() macro to have
this semantic (and use it in a couple of places it wasn't being
used before), and add an IS_KERNEL_EX1() macro to the assembly
code as well.
Signed-off-by: Chris Metcalf <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty
Pull tty/serial driver patches from Greg KH:
"Here's the big tty/serial driver pull request for 3.12-rc1.
Lots of n_tty reworks to resolve some very long-standing issues,
removing the 3-4 different locks that were taken for every character.
This code has been beaten on for a long time in linux-next with no
reported regressions.
Other than that, a range of serial and tty driver updates and
revisions. Full details in the shortlog"
* tag 'tty-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: (226 commits)
hvc_xen: Remove unnecessary __GFP_ZERO from kzalloc
serial: imx: initialize the local variable
tty: ar933x_uart: add device tree support and binding documentation
tty: ar933x_uart: allow to build the driver as a module
ARM: dts: msm: Update uartdm compatible strings
devicetree: serial: Document msm_serial bindings
serial: unify serial bindings into a single dir
serial: fsl-imx-uart: Cleanup duplicate device tree binding
tty: ar933x_uart: use config_enabled() macro to clean up ifdefs
tty: ar933x_uart: remove superfluous assignment of ar933x_uart_driver.nr
tty: ar933x_uart: use the clk API to get the uart clock
tty: serial: cpm_uart: Adding proper request of GPIO used by cpm_uart driver
serial: sirf: fix the amount of serial ports
serial: sirf: define macro for some magic numbers of USP
serial: icom: move array overflow checks earlier
TTY: amiserial, remove unnecessary platform_set_drvdata()
serial: st-asc: remove unnecessary platform_set_drvdata()
msm_serial: Send more than 1 character on the console w/ UARTDM
msm_serial: Add support for non-GSBI UARTDM devices
msm_serial: Switch clock consumer strings and simplify code
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree merge from Greg KH:
"Here's the bit staging tree pull request for 3.12-rc1.
Lots of staging driver updates, and fixes. Lustre is finally enabled
in the build, and lots of cleanup started happening in it. There's a
new wireless driver in here, and 2 new TTY drivers, which cause the
overall lines added/removed to be quite large on the "added" side.
The IIO driver updates are also coming through here, as they are tied
to the staging iio drivers"
* tag 'staging-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (942 commits)
staging: dwc2: make dwc2_core_params documentation more complete
staging: dwc2: validate the value for phy_utmi_width
staging: dwc2: interpret all hwcfg and related register at init time
staging: dwc2: properly mask the GRXFSIZ register
staging: dwc2: remove redundant register reads
staging: dwc2: re-use hptxfsiz variable
staging: dwc2: simplify debug output in dwc_hc_init
staging: dwc2: add missing shift
staging: dwc2: simplify register shift expressions
staging: dwc2: only read the snpsid register once
staging: dwc2: unshift non-bool register value constants
staging: dwc2: fix off-by-one in check for max_packet_count parameter
staging: dwc2: remove specific fifo size constants
Staging:BCM:DDRInit.c:Renaming __FUNCTION__
staging: bcm: remove Version.h file.
staging: rtl8188eu: off by one in rtw_set_802_11_add_wep()
staging: r8188eu: copying one byte too much
staging: rtl8188eu: || vs && typo
staging: r8188eu: off by one bugs
staging: crystalhd: Resolve sparse 'different base types' warnings.
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull driver core patches from Greg KH:
"Here's the big driver core pull request for 3.12-rc1.
Lots of tiny changes here fixing up the way sysfs attributes are
created, to try to make drivers simpler, and fix a whole class race
conditions with creations of device attributes after the device was
announced to userspace.
All the various pieces are acked by the different subsystem
maintainers"
* tag 'driver-core-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (119 commits)
firmware loader: fix pending_fw_head list corruption
drivers/base/memory.c: introduce help macro to_memory_block
dynamic debug: line queries failing due to uninitialized local variable
sysfs: sysfs_create_groups returns a value.
debugfs: provide debugfs_create_x64() when disabled
rbd: convert bus code to use bus_groups
firmware: dcdbas: use binary attribute groups
sysfs: add sysfs_create/remove_groups for when SYSFS is not enabled
driver core: add #include <linux/sysfs.h> to core files.
HID: convert bus code to use dev_groups
Input: serio: convert bus code to use drv_groups
Input: gameport: convert bus code to use drv_groups
driver core: firmware: use __ATTR_RW()
driver core: core: use DEVICE_ATTR_RO
driver core: bus: use DRIVER_ATTR_WO()
driver core: create write-only attribute macros for devices and drivers
sysfs: create __ATTR_WO()
driver-core: platform: convert bus code to use dev_groups
workqueue: convert bus code to use dev_groups
MEI: convert bus code to use dev_groups
...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB patches from Greg KH:
"Here's the big USB driver pull request for 3.12-rc1
Lots of USB driver fixes and updates. Nothing major, just the normal
xhci, gadget, and other driver changes. Full details in the shortlog"
* tag 'usb-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (352 commits)
usbcore: fix incorrect type in assignment in descriptors_changed()
usbcore: compare and release one bos descriptor in usb_reset_and_verify_device()
ehci: remove debugging statement with ehci statistics in ehci_stop()
ehci: remove duplicate debug_async_open() prototype in ehci-dbg.c
ehci: enable debugging code when CONFIG_DYNAMIC_DEBUG is set
ehci: remove ehci_vdbg() verbose debugging statements
Documentation sysfs-bus-usb: Document which files are used by libusb
Documentation sysfs-bus-usb: Document the speed file used by libusb
Documentation sysfs-bus-usb: Move files with known users to stable
USB: fix build error when CONFIG_PM_SLEEP isn't enabled
usb: r8a66597-hcd: use platform_{get,set}_drvdata()
usb: phy-tegra-usb: use platform_{get,set}_drvdata()
usb: acm gadget: Null termintate strings table
dma: cppi41: off by one in desc_to_chan()
xhci: Fix warning introduced by disabling runtime PM.
dev-core: fix build break when DEBUG is enabled
USB: OHCI: Allow runtime PM without system sleep
usb: ohci-at91: remove unnecessary dev_set_drvdata()
usb: renesas_usbhs: use platform_{get,set}_drvdata()
usb: fotg210-udc: use platform_{get,set}_drvdata()
...
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We remove some debug code in relocate_kernel_64.S that made raw
calls to the hv_console_putc Tilera hypervisor API, since everything
should funnel through the early_hv_write() API.
Signed-off-by: Chris Metcalf <[email protected]>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull first batch of s390 updates from Martin Schwidefsky:
"The most interesting change is that Martin converted s390 to generic
hardirqs. Which means that all current architectures have been
converted and that CONFIG_GENERIC_HARDIRQS can be removed. Martin
prepared a patch for that already (see genirq branch), but the best
time to merge that is probably at the end of the merge window / begin
of -rc1.
Another patch converts s390 to software referenced bits instead of
relying on the reference bit in the storage key. Therefore s390
doesn't use storage keys anymore, except for kvm.
Besides that we have improvements, cleanups and fixes in PCI, DASD and
all over the place."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux: (32 commits)
s390/pci: use virtual memory for iommu bitmap
s390/cio: fix unlocked access of global bitmap
s390/pci: update function handle after resume from hibernate
s390/pci: try harder to modify a function
s390/pci: split lpf
s390/hibernate: add early resume function
s390/pci: add recover sysfs knob
s390/pci: use claim_resource
s390/pci/hotplug: convert to be builtin only
s390/mm: implement software referenced bits
s390/dasd: fix statistics for recovered requests
s390/tx: allow program interruption filtering in user space
s390/pgtable: fix mprotect for single-threaded KVM guests
s390/time: return with irqs disabled from psw_idle
s390/kprobes: add support for compare and branch instructions
s390/switch_to: fix save_access_regs() / restore_access_regs()
s390/bitops: fix inline assembly constraints
s390/dasd: enable raw_track_access reads without direct I/O
s390/mm: introduce ptep_flush_lazy helper
s390/time: clock comparator revalidation
...
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git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k
Pull m68k updates from Geert Uytterhoeven:
"Summary:
- Kill harmless warning messages when running a multi-platform kernel
on Atari
- Correct virt/phys mixups that didn't actually hurt due to identity
mappings"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/geert/linux-m68k:
m68k/atari: ARAnyM - Always use physical addresses in NatFeat calls
m68k: Ignore disabled HSYNC interrupt on Atari for irqs_disabled()
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SoCFPGA DT changes from Dinh Nguyen.
* socfpga/dt:
dts: Rename DW APB timer compatible strings
dts: Deprecate ALTR as a vendor prefix
of: add vendor prefix for Altera Corp.
Signed-off-by: Olof Johansson <[email protected]>
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next/dt
From Christian Daudt, DT changes for Broadcom.
* 'armsoc/for-3.12/dt' of git://github.com/broadcom/bcm11351:
ARM: DT: binding fixup to align with vendor-prefixes.txt (DT)
ARM: dts: add sdio blocks to bcm28155-ap board
ARM: dts: align sdio numbers to HW definition
ARM: bcm281xx: DT changes for reboot code
ARM: bcm281xx: Adding bcm28155-ap.dts
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into next/dt
From Shawn Guo:
It contains mxs device tree changes for 3.12.
- New board addition and hogpins cleanup for Crystalfontz
- New pinctrl entry addition for lcd, ssp2 and saif0
- Add alias and labels for various nodes
- Enable devices like LRADC and USB for a couple of imx23 boards,
and backlight for M28EVK
* tag 'mxs-dt-3.12' of git://git.linaro.org/people/shawnguo/linux-2.6:
ARM: dts: mxs: add pin config for LCD sync and clock pins
ARM: dts: mxs: add pin config for SSP3 interface
ARM: dts: mxs: add another set of saif0_pins (without MCLK)
ARM: dts: mxs: add labels to most nodes for easier reference
ARM: dts: mxs: whitespace cleanup
ARM: dts: mxs: Add spi alias
ARM: dts: imx23-olinuxino: enable Low Resolution ADC
ARM: dts: imx23-evk: enable Low Resolution ADC
ARM: dts: imx23-evk: enable USB PHY and controller
ARM: dts: mxs: remove old DMA binding data from client nodes
ARM: mxs: Add backlight support for M28EVK
ARM: mxs: dt: cfa10036: make hogpins grabbed by respective drivers
ARM: mxs: dt: cfa10057: remove hogpins
ARM: mxs: dt: cfa10055: make hogpins grabbed by respective drivers
ARM: mxs: dt: cfa10049: make hogpins grabbed by respective drivers
ARM: mxs: dt: cfa10037: make hogpins grabbed by respective drivers
ARM: mxs: dt: Add Crystalfontz CFA-10058 device tree
ARM: mxs: dt: Add Crystalfontz CFA-10056 device tree
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Systems with Intel graphics controllers set aside memory exclusively for
gfx driver use. This memory is not always marked in the E820 as
reserved or as RAM, and so is subject to overlap from E820 manipulation
later in the boot process. On some systems, MMIO space is allocated on
top, despite the efforts of the "RAM buffer" approach, which simply
rounds memory boundaries up to 64M to try to catch space that may decode
as RAM and so is not suitable for MMIO.
v2: use read_pci_config for 32 bit reads instead of adding a new one
(Chris)
add gen6 stolen size function (Chris)
v3: use a function pointer (Chris)
drop gen2 bits (Daniel)
v4: call e820_sanitize_map after adding the region
v5: fixup comments (Peter)
simplify loop (Chris)
Acked-by: Ingo Molnar <[email protected]>
Signed-off-by: Jesse Barnes <[email protected]>
Acked-by: H. Peter Anvin <[email protected]>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66726
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=66844
Signed-off-by: Daniel Vetter <[email protected]>
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Signed-off-by: Ralf Baechle <[email protected]>
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Add a uImage build target for MIPS, which builds uImage.gz (a U-Boot
image of vmlinux.bin.gz), and then symlinks it to uImage. This allows
for the use of other compression algorithms in future, and is how a few
other architectures do it.
It's enabled conditionally on load-y >= 0xffffffff80000000 which
hopefully allows 64bit kernels to also work as long as the load and
entry address can be represented by the 32bit addresses in the U-Boot
image format.
Signed-off-by: James Hogan <[email protected]>
Cc: Ralf Baechle <[email protected]>
Cc: Florian Fainelli <[email protected]>
Cc: [email protected]
Patchwork: https://patchwork.linux-mips.org/patch/5795/
Signed-off-by: Ralf Baechle <[email protected]>
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