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This register just contains the address of the actual resource, so
initialisation has to be the same as cf_slot0_res and nand_slot0_res.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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As the korina ethernet driver uses platform_get_drvdata() to extract the
driver specific data from the platform device, driver_data has to be
used here.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Auto-detection works just fine, so use it instead of specifying the type
manually. Also define a platform device for the uart, as suggested by
David Daney.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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As the pata-rb532-cf driver calls gpio_direction_input(), the calls to
rb532_gpio_set_func() and rb532_gpio_direction_input() are not needed since
the alternate function is automatically being disabled when changing the
GPIO pin direction.
The later two calls to rb532_gpio_set_{ilevel,istat}() are implicitly being
done by the IRQ initialisation of pata-rb532-cf.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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When a driver calls gpio_set_direction_{input,output}(), it obviously
doesn't want the alternate function for that pin to be active (as the
direction would not matter in that case). This patch ensures alternate
function is disabled when the direction is being changed.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Interrupt Group 4 mapps the GPIO pins enabled as interrupt sources;
add defines to make this clear when addressing them later in code.
The mapped GPIOs support triggering on either level high or low. To
achieve this, the set_type() function calls rb532_gpio_set_ilevel() for
interrupts of the above mentioned group.
As there is no way to alter the triggering characteristics of the other
interrupts, accept level triggering on status high only. (This is just a
guess; but as the system boots fine and interrupt-driven devices (e.g.
serial console) work with no implications, it seems to be right.)
To clear a GPIO mapped IRQ, the source has to be cleared (i.e., the
interrupt status bit of the corresponding GPIO pin). This is done inside
rb532_disable_irq().
After applying these changes I could undo most of my former "fixes" to
pata-rb532-cf. Particularly all interrupt handling can be done
generically via set_irq_type() as it was before.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The code is rather based on trial-and-error than knowledge. Verified Via
Rhine functionality in PIO as well as MMIO mode.
[Looks sane -- Ralf]
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Tested-by: Florian Fainelli <florian@openwrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The algorithm works unconditionally. If bitval is one, the first line is
a no op and the second line sets the bit at offset position. Vice versa,
if bitval is zero, the first line clears the bit at offset position and
the second line is a no op.
Signed-off-by: Phil Sutter <n0-1@freewrt.org>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The previous definition inadvertently omits Octeon which currently is
treated as an architecture variant separate from MIPS32 and MIPS64.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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If a context switch occurred between the watch exception and reading the
watch registers, it would be possible for the new process to corrupt their
state. Enabling interrupts only after the watch registers are read avoids
this race.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This fixes the ptrace ABI for watch registers, and should allow 64bit
kernels to use the watch register support.
Signed-off-by: David Daney <ddaney@caviumnetworks.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Add platform support to use rtc-tx4939 driver.
Signed-off-by: Atsushi Nemoto <anemo@mba.ocn.ne.jp>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The special IP27 DMA code selected by DMA_IP27 has been removed a while
ago turning DMA_IP27 into almost a nop. Also fixup the broken logic of
its last users memcpy.S and memcpy-inatomic.s.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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And while at it, convert all functions from macros to inline functions
for sanity.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Huang Weiyi <weiyi.huang@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This shaves of 1912 bytes of an IP27 defconfig kernel and avoids
unexpected overflow behaviour in atomic_sub_if_positive. Apply the same
changes to the atomic64_* functions for consistency.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Original commit 1c0fe6e3bda0464728c23c8d84aa47567e8b716c.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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See discussion e9c3a7c20901051031y528d0d31r18d44c5096c59e0@mail.gmail.com.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Move DMA-mapping.txt to Documentation/PCI/.
DMA-mapping.txt was supposed to be moved from Documentation/ to
Documentation/PCI/. The 00-INDEX files in those two directories
were updated, along with a few other text files, but the file
itself somehow escaped being moved, so move it and update more
text files and source files with its new location.
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-for-linus:
lguest: Fix a memory leak with the lg object during launcher close
lguest: disable the FORTIFY for lguest.
lguest: typos fix
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The commit "alpha: teach the compiler that BUG doesn't return"
(ed6b9b97f42c091630335bfb71a2931e6f86388b) moved the asm code into inline
function which takes __FILE__ and __LINE__ as arguments. This violates
asm constrains there ("i" - an immediate operand with constant value), so
that compile may result in warning or error, depending on compiler
version.
Just adding an infinite loop to the BUG() is sufficient.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- jensen build: fix conflicting declarations for pci_alloc_consistent()
and undefined virt_to_phys();
- SMP: arch/alpha/kernel/smp.c:124: warning: passing argument 2
of '__cpu_test_and_set' discards qualifiers from pointer target type
Interestingly, this only happens with gcc-4.2; gcc <= 4.1 and gcc-4.3
are OK. Fixed with extra assignment.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Convert OSF syscalls and add alpha specific SYSCALL_ALIAS() macro.
Signed-off-by: Ivan Kokshaysky <ink@jurassic.park.msu.ru>
Cc: Richard Henderson <rth@twiddle.net>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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3 points
lguest_asm.S => i386_head.S
LHCALL_BREAK => LHREQ_BREAK
perferred => preferred
Signed-off-by: Atsushi SAKAI <sakaia@jp.fujitsu.com>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
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git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc:
powerpc/mm: Fix handling of _PAGE_COHERENT in BAT setup code
powerpc/pseries: Correct VIO bus accounting problem in CMO env.
powerpc: More printing warning fixes for the l64 to ll64 conversion
powerpc: Remove arch/ppc cruft from Kconfig
powerpc: Printing fix for l64 to ll64 conversion: phyp_dump.c
powerpc/embedded6xx: Update defconfigs
powerpc/8xx: Update defconfigs
powerpc/86xx: Update defconfigs
powerpc/83xx: Update defconfigs
powerpc/85xx: Update defconfigs
powerpc/mpc8313erdb: fix kernel panic because mdio device is not probed
powerpc/4xx: Update multi-board PowerPC 4xx defconfigs
powerpc/44x: Update PowerPC 44x defconfigs
powerpc/40x: Update PowerPC 40x defconfigs
powerpc/85xx: Fix typo in mpc8572ds dts
powerpc/44x: Warp patches for the new NDFC driver
powerpc/4xx: DTS: Add Add'l SDRAM0 Compatible and Interrupt Info
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git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
m68knommu: fix 5329 ColdFire periphal addressing
uclinux: add process name to allocation error message
m68knommu: correct the mii calculations for 532x ColdFire FEC
m68knommu: add ColdFire M532x to the FEC configuration options
m68knommu: fix syscall restarting
m68knommu: remove the obsolete and long unused comempci chip support
m68knommu: remove the no longer used PCI support option
m68knommu: remove obsolete and unused eLIA board
m68knommu: set NO_DMA
m68knommu: fix cache flushing for the 527x ColdFire processors
m68knommu: fix ColdFire 5272 serial baud rates in mcf.c
m68knommu: use one exist from execption
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_PAGE_COHERENT is now always set in _PAGE_RAM resp. PAGE_KERNEL.
Thus it has to be masked out, if the BAT mapping should be non
cacheable or CPU_FTR_NEED_COHERENT is not set.
This will work on normal SMP setups because we force-set
CPU_FTR_NEED_COHERENT as part of CPU_FTR_COMMON on SMP.
Signed-off-by: Gerhard Pircher <gerhard_pircher@gmx.net>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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In the VIO bus code the wrappers for dma alloc_coherent and free_coherent
calls are rounding to IOMMU_PAGE_SIZE. Taking a look at the underlying
calls, the actual mapping is promoted to PAGE_SIZE. Changing the
rounding in these two functions fixes under-reporting the entitlement
used by the system. Without this change, the system could run out of
entitlement before it believes it has and incur mapping failures at the
firmware level.
Also in the VIO bus code, the wrapper for dma map_sg is not exiting in
an error path where it should. Rather than fall through to code for the
success case, this patch adds the return that is needed in the error path.
Signed-off-by: Robert Jennings <rcj@linux.vnet.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Remove some leftover cruft from the arch/ppc days
Signed-off-by: Josh Boyer <jwboyer@linux.vnet.ibm.com>
Acked-by: Kumar Gala <galak@kernel.crashing.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
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Manual merge of:
arch/powerpc/configs/44x/warp_defconfig
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* git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb-2.6: (36 commits)
USB: Driver for Freescale QUICC Engine USB Host Controller
USB: option: add QUANTA HSDPA Data Card device ids
USB: storage: Add another unusual_dev for off-by-one bug
USB: unusual_dev: usb-storage needs to ignore a device
USB: GADGET: fix !x & y
USB: new id for ti_usb_3410_5052 driver
USB: cdc-acm: Add another conexant modem to the quirks
USB: 'option' driver - onda device MT503HS has wrong id
USB: Remove ZTE modem from unusual_devices
USB: storage: support of Dane-Elec MediaTouch USB device
USB: usbmon: Implement compat_ioctl
USB: add kernel-doc for wusb_dev in struct usb_device
USB: ftdi_sio driver support of bar code scanner from Diebold
USB: ftdi_sio: added Alti-2 VID and Neptune 3 PID
USB: cp2101 device
USB: usblp.c: add USBLP_QUIRK_BIDIR to Brother HL-1440
USB: remove vernier labpro from ldusb
USB: CDC-ACM quirk for MTK GPS
USB: cdc-acm: support some gps data loggers
USB: composite: Fix bug: low byte of w_index is the usb interface number not the whole 2 bytes of w_index
...
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The DaVinci code had an implementation of the OTG transceiver glue
too; make it use the new-standard one.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Acked-by: Felipe Balbi <felipe.balbi@nokia.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jgarzik/libata-dev:
pata-rb532-cf: remove set_irq_type from finish_io
[libata] pata_via: support VX855, future chips whose IDE controller use 0x0571
sata_mv: no longer experimental (v2)
sata_mv: msi masking fix (v2)
sata_mv: Properly initialize main irq mask
sata_mv: remove bogus nsect restriction
sata_mv: don't read hc_irq_cause
sata_mv: fix 8-port timeouts on 508x/6081 chips
sata_nv: fix MCP5x reset
sata_nv: rename nv_nf2_hardreset()
libata: set NODEV_HINT for 0x7f status
libata-sff: fix incorrect EH message
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The 5329 ColdFire peripheral IO register addresses are not relative to
the MBAR register. So fix the serial platform setup array and IRQ acking
to use just the direct addresses.
Signed-off-by: Matt Waddel <Matt.Waddel@freescale.com>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Make restart blocks working, required for proper syscall restarting.
Derived from same changes for m68k arch by Andreas Schwab <schwab@suse.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Greg Ungerer said about this board:
Only ever a handful where made, and that was in 1999.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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m68knommu does not set the Kconfig NO_DMA variable, but also does
not provide the required functions, resulting in the following
build error triggered by commit a40c24a13366e324bc0ff8c3bb107db89312c984
(net: Add SKB DMA mapping helper functions.):
<-- snip -->
..
LD vmlinux
net/built-in.o: In function `skb_dma_unmap':
(.text+0xac5e): undefined reference to `dma_unmap_single'
net/built-in.o: In function `skb_dma_unmap':
(.text+0xac7a): undefined reference to `dma_unmap_page'
net/built-in.o: In function `skb_dma_map':
(.text+0xacdc): undefined reference to `dma_map_single'
net/built-in.o: In function `skb_dma_map':
(.text+0xace8): undefined reference to `dma_mapping_error'
net/built-in.o: In function `skb_dma_map':
(.text+0xad10): undefined reference to `dma_map_page'
net/built-in.o: In function `skb_dma_map':
(.text+0xad82): undefined reference to `dma_unmap_page'
net/built-in.o: In function `skb_dma_map':
(.text+0xadc6): undefined reference to `dma_unmap_single'
make[1]: *** [vmlinux] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Fix cache flushing for the 527x ColdFire processors
Its CACR register format is slightly different.
Along with this add support for flushing the 523x cache, which uses
the same format as the 527x ColdFire's, and was missing flush support.
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Part of the code that did not make sense to me got removed by Greg.
This is part two:
The first compare is to check whether the interrupts are disabled or not.
Depending on the result we exectute the RESTORE_ALL macro is not only
restoring the stack but also returning to caller.
The test for pending softirq has been removed because it is allready done
in irq_exit().
Since system_call() is allso using the SAVE_ALL macro and returning via
ret_from_exception label I see no reason why we could not do this here
as well. This is also handy because if we return from the timer interrupt
and we need to resched than we check for this :)
Signed-off-by: Sebastian Siewior <bigeasy@linutronix.de>
Signed-off-by: Greg Ungerer <gerg@uclinux.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
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