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Recently, indirect_pci was changed to test if the bus number requested
is the one hanging straight off the PHB, then it substitutes the bus
number with another one contained in a new "self_busno" field of the
pci_controller structure.
However, this breaks CHRP which didn't initialize this new field, and
which relies on having the right bus number passed to the hardware.
This fixes it by initializing this variable properly for all CHRP bridges
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The detection of the IBM "Python" PCI host bridge on IBM CHRP
machines such as old RS6000 was broken when we changed
of_device_is_compatible() from strncasecmp to strcasecmp (dropped
the "n" variant) due to the way IBM encodes the chip version.
We fix that by instead doing a match on the model property like
we do for others bridges in that file. It should be good enough
for those machines. If yours is still broken, let me know.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
prom_init was changed to take a new argument, the address
where the kernel is loaded, which is now used to copy the
SMP spin loop down before use.
However, only head_64.S was adapted to pass this new value,
not head_32.S, thus breaking SMP boot on 32-bit SMP CHRP
machines.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The new merged DMA code will try to access isa_bridge_pcidev when
trying to DMA to/from legacy devices. This is however only defined
on 64-bit. Fixes this for now by adding the variable, even if it
stays NULL. In the long run, we'll make isa-bridge.c common to
32 and 64-bit.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
When the powerpc PCI layer is not configured to re-assign everything,
it currently fails to detect that a PCI to PCI bridge has been left
unassigned by the firmware and tries to allocate resource for the
default window values in the bridge (0...X) (with the notable exception
of a hack we have in there that detects some Apple firmware unassigned
bridge resources).
This results in resource allocation failures, which are generally
fixed up later on but it causes scary warnings in the logs and we
have seen the fixup code fall over in some circumstances (a different
issue to fix as well).
This code improves that by providing a more complete & useful function
to intuit that a bridge was left unassigned by the firmware, and thus
force a full re-allocation by the PCI code without trying to allocate
the existing useless resources first.
The algorithm we use basically considers unassigned a window that
starts at 0 (PCI address) if the corresponding address space enable
bit is not set. In addition, for memory space, it considers such a
resource unassigned also if the host bridge isn't configured to
forward cycles to address 0 (ie, the resource basically overlaps
main memory).
This fixes a range of problems with things like Bare-Metal support
on pSeries machines, or attempt to use partial firmware PCI setup.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
commit 611e097d77
Author: Christian Borntraeger <borntraeger@de.ibm.com>
hvc_console: rework setup to replace irq functions with callbacks
introduced a spinlock recursion problem. The notifier_del is
called with a lock held, and in turns calls free_irq which then
complains when manipulating procfs. This fixes it by moving the
call to the notifier to outside of the locked section.
Signed-off-by: Christian Borntraeger<borntraeger@de.ibm.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
* 'for-2.6.28' of git://linux-nfs.org/~bfields/linux: (59 commits)
svcrdma: Fix IRD/ORD polarity
svcrdma: Update svc_rdma_send_error to use DMA LKEY
svcrdma: Modify the RPC reply path to use FRMR when available
svcrdma: Modify the RPC recv path to use FRMR when available
svcrdma: Add support to svc_rdma_send to handle chained WR
svcrdma: Modify post recv path to use local dma key
svcrdma: Add a service to register a Fast Reg MR with the device
svcrdma: Query device for Fast Reg support during connection setup
svcrdma: Add FRMR get/put services
NLM: Remove unused argument from svc_addsock() function
NLM: Remove "proto" argument from lockd_up()
NLM: Always start both UDP and TCP listeners
lockd: Remove unused fields in the nlm_reboot structure
lockd: Add helper to sanity check incoming NOTIFY requests
lockd: change nlmclnt_grant() to take a "struct sockaddr *"
lockd: Adjust nlmsvc_lookup_host() to accomodate AF_INET6 addresses
lockd: Adjust nlmclnt_lookup_host() signature to accomodate non-AF_INET
lockd: Support non-AF_INET addresses in nlm_lookup_host()
NLM: Convert nlm_lookup_host() to use a single argument
svcrdma: Add Fast Reg MR Data Types
...
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arjan/linux-2.6-fastboot:
raid, fastboot: hide RAID autodetect option if MD is compiled as a module
raid: make RAID autodetect default a KConfig option
warning: fix init do_mounts_md c
fastboot: make the RAID autostart code print a message just before waiting
fastboot: make the raid autodetect code wait for all devices to init
fastboot: Fix bootgraph.pl initcall name regexp
fastboot: fix issues and improve output of bootgraph.pl
Add a script to visualize the kernel boot process / time
This reverts commit c9e587abfd, and the
subsequent commits that fixed it up:
- afa9b649 "fbcon: prevent cursor disappearance after switching to 512
character font"
- d850a2fa "vt/fbcon: fix background color on line feed"
- 7fe3915a "vt/fbcon: update scrl_erase_char after 256/512-glyph font
switch"
by request of Alan Cox. Quoth Alan:
"Unfortunately it's wrong and its been causing breakages because
various apps like ncurses expect our previous (and correct)
behaviour."
Alexander sent out a similar patch.
Requested-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Tested-by: Jan Engelhardt <jengelh@medozas.de>
Cc: Alexander V. Lukyanov <lav@netis.ru>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Error handling code following a kmalloc should free the allocated data.
The semantic match that finds the problem is as follows:
(http://www.emn.fr/x-info/coccinelle/)
// <smpl>
@r exists@
local idexpression x;
statement S;
expression E;
identifier f,l;
position p1,p2;
expression *ptr != NULL;
@@
(
if ((x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...)) == NULL) S
|
x@p1 = \(kmalloc\|kzalloc\|kcalloc\)(...);
..
if (x == NULL) S
)
<... when != x
when != if (...) { <+...x...+> }
x->f = E
..>
(
return \(0\|<+...x...+>\|ptr\);
|
return@p2 ...;
)
@script:python@
p1 << r.p1;
p2 << r.p2;
@@
print "* file: %s kmalloc %s return %s" % (p1[0].file,p1[0].line,p2[0].line)
// </smpl>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
For some m68k configs, I get:
| net/rfkill/rfkill-input.c: In function 'rfkill_start':
| net/rfkill/rfkill-input.c:208: error: dereferencing pointer to incomplete type
As the incomplete type is `struct task_struct', including <linux/sched.h> fixes
it.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If CONFIG_PROC_FS is not set, I get:
| arch/m68k/kernel/ints.c:433: error: redefinition of 'init_irq_proc'
| include/linux/interrupt.h:438: error: previous definition of 'init_irq_proc' was here
This was introduced by commit 6168a702ab
("Declare init_irq_proc before we use it."), which replaced the #ifdef
protection of the init_irq_proc() call by a static inline dummy if
CONFIG_PROC_FS is not set.
Make init_irq_proc() depend on CONFIG_PROC_FS to fix this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch removes the no longer used m68k PCI code.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch removes the Hades support that was marked as BROKEN 5 years ago.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Kill compiler warnings related to printf() formats in the input drivers for
various HP9000 machines, which are shared between PA-RISC (suseconds_t is int)
and m68k (suseconds_t is long). As both are 32-bit, it's safe to cast to int.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Helge Deller <deller@gmx.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Several multi-bus subsystems:
| include/linux/ssb/ssb.h: In function 'ssb_dma_mapping_error':
| include/linux/ssb/ssb.h:430: error: implicit declaration of function 'pci_dma_mapping_error'
| include/linux/ssb/ssb.h: In function 'ssb_dma_map_single':
| include/linux/ssb/ssb.h:444: error: implicit declaration of function 'pci_map_single'
| include/linux/ssb/ssb.h: In function 'ssb_dma_unmap_single':
| include/linux/ssb/ssb.h:458: error: implicit declaration of function 'pci_unmap_single'
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_cpu':
| include/linux/ssb/ssb.h:475: error: implicit declaration of function 'pci_dma_sync_single_for_cpu'
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_for_device':
| include/linux/ssb/ssb.h:493: error: implicit declaration of function 'pci_dma_sync_single_for_device'
or legacy drivers:
| drivers/net/hp100.c: In function 'pdl_map_data':
| drivers/net/hp100.c:291: error: implicit declaration of function 'pci_map_single'
| drivers/net/hp100.c: In function 'hp100_probe1':
| drivers/net/hp100.c:707: error: implicit declaration of function 'pci_alloc_consistent'
| drivers/net/hp100.c:782: error: implicit declaration of function 'pci_free_consistent'
| drivers/net/hp100.c: In function 'hp100_clean_txring':
| drivers/net/hp100.c:1614: error: implicit declaration of function 'pci_unmap_single'
and
| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_allocate_scb':
| drivers/scsi/aic7xxx_old.c:2573: error: implicit declaration of function 'pci_alloc_consistent'
| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_done':
| drivers/scsi/aic7xxx_old.c:2697: error: implicit declaration of function 'pci_unmap_single'
| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_handle_seqint':
| drivers/scsi/aic7xxx_old.c:4275: error: implicit declaration of function 'pci_map_single'
| drivers/scsi/aic7xxx_old.c: In function 'aic7xxx_free':
| drivers/scsi/aic7xxx_old.c:8460: error: implicit declaration of function 'pci_free_consistent'
rely on PCI DMA operations to be always available.
Add #include <asm-generic/pci-dma-compat.h> to <asm/pci.h> to make them happy.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_cpu':
| include/linux/ssb/ssb.h:517: error: implicit declaration of function 'dma_sync_single_range_for_cpu'
| include/linux/ssb/ssb.h: In function 'ssb_dma_sync_single_range_for_device':
| include/linux/ssb/ssb.h:538: error: implicit declaration of function 'dma_sync_single_range_for_device'
Add the missing dma_sync_single_range_for_{cpu,device}(), and remove the
`inline' for the non-static function dma_sync_single_for_device().
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
The nvram and rtc-cmos drivers use the spinlock rtc_lock to protect against
concurrent accesses to the CMOS memory. As m68k doesn't support SMP or preempt
yet, the spinlock calls tend to get optimized away, but not for all
configurations, causing in some rare cases:
| ERROR: "rtc_lock" [drivers/rtc/rtc-cmos.ko] undefined!
| ERROR: "rtc_lock" [drivers/char/nvram.ko] undefined!
Add the spinlock to the Atari core code to avoid this.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
If CONFIG_VT=n, I get:
| arch/m68k/atari/built-in.o: In function `atari_kbd_translate':
| arch/m68k/atari/atakeyb.c:640: undefined reference to `shift_state'
Just remove atari_kbd_translate(), as it's unused.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Michael Schmitz <schmitz@debian.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| ERROR: "key_maps" [drivers/input/keyboard/amikbd.ko] undefined!
Export key_maps in the Amiga core code, as its defined in an autogenerated
file (drivers/char/defkeymap.c)
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Currently Sun 3 support is the first platform option, as the Sun 3 MMU is
incompatible with standard Motorola MMUs. However, this means that
`allmodconfig' enables support for Sun 3, and thus disables support for all
other platforms.
Reverse the logic and move Sun 3 last, so `allmodconfig' enables all
platforms except for Sun 3, increasing compile-coverage.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Add .note.gnu.build-id to init data so it's discarded at boot.
[Andreas Schwab] Use NOTES macro
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Put .bss at the end of the data section
Signed-off-by: Roman Zippel <zippel@linux-m68k.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This changes the oops and backtrace code to use the new `%pS' printk()
extension to print out symbols rather than manually calling print_symbol.
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This patch changes m68k to use the new bcd2bin/bin2bcd functions instead
of the obsolete BCD_TO_BIN/BIN_TO_BCD/BCD2BIN/BIN2BCD macros.
It also remove local bcd2bin/bin2bcd implementations
in favor of the global ones.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Splitting the 8250 code back up to avoid a clash with the NR_IRQS removal
patch introduced a last minute bug. Put back the additional needed lines
for the old lock init
Signed-off-by: Alan Cox <alan@redhat.com>
[ Ingo also reports that this can cause a spontaneous reboot crash with
certain configs, and sends in an identical patch ]
Tested-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This ASIC does support all page sizes. For 4k and 8k page size the TX
control block needs an external scatter gather list. For page sizes
larger than 8k the max frags is satisfied by the original TX control
block.
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Clean up the various different email addresses of mine listed in the code
to a single current and valid address. As Dave says his network merges
for 2.6.28 are now done this seems a good point to send them in where
they won't risk disrupting real changes.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
git commit 45cec1bac0
"dsa: Need to select PHYLIB." causes this build bug on s390:
drivers/built-in.o: In function `phy_stop_interrupts':
/home/heicarst/linux-2.6/drivers/net/phy/phy.c:631: undefined reference to `free_irq'
/home/heicarst/linux-2.6/drivers/net/phy/phy.c:646: undefined reference to `enable_irq'
drivers/built-in.o: In function `phy_start_interrupts':
/home/heicarst/linux-2.6/drivers/net/phy/phy.c:601: undefined reference to `request_irq'
drivers/built-in.o: In function `phy_interrupt':
/home/heicarst/linux-2.6/drivers/net/phy/phy.c:528: undefined reference to `disable_irq_nosync'
drivers/built-in.o: In function `phy_change':
/home/heicarst/linux-2.6/drivers/net/phy/phy.c:674: undefined reference to `enable_irq'
/home/heicarst/linux-2.6/drivers/net/phy/phy.c:692: undefined reference to `disable_irq'
PHYLIB has alread a depend on !S390, however select PHYLIB at DSA overrides
that unfortunately. So add a depend on !S390 to DSA as well.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
LD net/ipv6/ipv6.o
WARNING: net/ipv6/ipv6.o(.text+0xd8): Section mismatch in reference from the function inet6_net_init() to the function .init.text:ipv6_init_mibs()
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
I don't think the enic driver has anything to do with Mark Everett
(http://en.wikipedia.org/wiki/A_Man_Called_E). Fix the Kconfig
description.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The de2104x returns sometimes a wrong MAC address. The wrong one is
like the original one, but it comes with an one byte shift. I found
this bug on an older alpha ev5 cpu. More details are available in Gentoo
bugreport #240718.
It seems the hardware is sometimes a little bit too slow for an
immediate access. This patch solves the problem by introducing a small
udelay.
Signed-off-by: Martin Langer <martin-langer@gmx.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch fixes the following build error caused by
commit ed94493fb3
(mv643xx_eth: convert to phylib):
<-- snip -->
...
Building modules, stage 2.
MODPOST 1280 modules
ERROR: "genphy_restart_aneg" [drivers/net/mv643xx_eth.ko] undefined!
...
make[2]: *** [__modpost] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Add a field to the driver versioning info.
Update version to 1.1.0.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fix kernel-doc warning, missing description:
Warning(lin2627-g3-kdocfixes//drivers/net/phy/mdio_bus.c:63): No description found for parameter 'd'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Seems that skb goes into void unless something magic happened
in pskb_expand_head in case of failure.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The checks for ensuring that the array indices are inside the range
were flipped.
Reported-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver just sets ->llseek to NULL. It should also clear FMODE_LSEEK to
tell the VFS that seeks are not supported.
Pointed out by Christoph Hellwig.
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2.6.27-git2 kernel build fails with allyesconfig on powerpc with
build error
<introduced by commit 01f2e4ead2c51226ed1283ef6a8388ca6f4cff8f>
CC drivers/net/enic/enic_main.o
drivers/net/enic/enic_main.c: In function âenic_queue_wq_skb_tsoâ:
drivers/net/enic/enic_main.c:576: error: implicit declaration of function âcsum_ipv6_magicâ
make[3]: *** [drivers/net/enic/enic_main.o] Error 1
<introduced by commit c4e84bde1d595d857d3c74b49b9c45cc770df792>
drivers/net/qlge/qlge_main.c: In function âql_tsoâ:
drivers/net/qlge/qlge_main.c:1862: error: implicit declaration of function âcsum_ipv6_magicâ
make[3]: *** [drivers/net/qlge/qlge_main.o] Error 1
<introduced by commit 95252236e73e789dd186ce796a2abc60b3a61ebe>
drivers/net/jme.c: In function âjme_tx_tsoâ:
drivers/net/jme.c:1784: error: implicit declaration of function âcsum_ipv6_magicâ
make[2]: *** [drivers/net/jme.o] Error 1
Signed-off-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Ron Mercer <ron.mercer@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The typesafe version of the powerpc pagetable handling (with
USE_STRICT_MM_TYPECHECKS defined) has bitrotted again. This patch
makes a bunch of small fixes to get it back to building status.
It's still not enabled by default as gcc still generates worse
code with it for some reason.
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
The "phys" argument to machine_init() isn't used and isn't likely to
ever be so let's remove it.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
After Becky's work we can almost have different DMA offsets
between on-chip devices and PCI. Almost because there's a
problem with the non-coherent DMA code that basically ignores
the programmed offset to use the global one for everything.
This fixes it.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
