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Something Arjan suggested which allows us to clean up the code nicely
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: Arjan van de Ven <arjan@infradead.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- Use the tty baud functions
- Call driver termios methods directly holding the right locking
- Check for a write method
Signed-off-by: Alan Cox <alan@redhat.com>
Cc: David S. Miller <davem@davemloft.net>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: "John W. Linville" <linville@tuxdriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- Operations are now a shared const function block as with most other Linux
objects
- Introduce wrappers for some optional functions to get consistent behaviour
- Wrap put_char which used to be patched by the tty layer
- Document which functions are needed/optional
- Make put_char report success/fail
- Cache the driver->ops pointer in the tty as tty->ops
- Remove various surplus lock calls we no longer need
- Remove proc_write method as noted by Alexey Dobriyan
- Introduce some missing sanity checks where certain driver/ldisc
combinations would oops as they didn't check needed methods were present
[akpm@linux-foundation.org: fix fs/compat_ioctl.c build]
[akpm@linux-foundation.org: fix isicom]
[akpm@linux-foundation.org: fix arch/ia64/hp/sim/simserial.c build]
[akpm@linux-foundation.org: fix kgdb]
Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Cc: Jason Wessel <jason.wessel@windriver.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This driver somehow escaped the tty operations changes way back when. Update
it so that we can switch to tty->ops shortly.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/home/rmk/linux-2.6-arm: (26 commits)
[ARM] pxa: fix 1c104e0e4f6ab396960c058e95e18bdedcac945b
[ARM] serial: s3c2410: platform_get_irq() may return signed unnoticed
[ARM] am79c961a: platform_get_irq() may return signed unnoticed
[ARM] Feroceon: Feroceon-specific WA-cache compatible {copy,clear}_user_page()
[ARM] Feroceon: fix function alignment in proc-feroceon.S
[ARM] Orion: catch a couple more alternative spellings of PCIe
[ARM] Orion: fix orion-ehci platform resource end addresses
[ARM] Orion: fix ->map_irq() PCIe bus number check
[ARM] Orion: fix ioremap() optimization
[ARM] feroceon: remove CONFIG_CPU_CACHE_ROUND_ROBIN check
[ARM] feroceon: remove CONFIG_CPU_DCACHE_WRITETHROUGH check
kprobes/arm: fix decoding of arithmetic immediate instructions
kprobes/arm: fix cache flush address for instruction stub
[ARM] 5022/1: Race in ARM MMCI PL18x driver, V2
[ARM] 5021/1: at91: buildfix for sam9263 + PM
[ARM] 5018/1: RealView: Fix the ARM11MPCore Oprofile compilation
[ARM] 5016/1: AT91: typo in mci configuration for at91cap at91sam9263
[ARM] 5017/1: pxa3xx: Report unsupported wakeup sources in pxa3xx_set_wake()
[ARM] 5020/1: magician: remove __devinit marker from pasic3_leds_info
[ARM] 5014/1: Cleanup reset state before entering suspend or resetting.
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When a FMR is unmapped, mlx4 resets the map count to 0, and clears the
upper part of the R_Key which is used as the sequence counter.
This poses a problem for RDS, which uses ib_fmr_unmap as a fence
operation. RDS assumes that after issuing an unmap, the old R_Keys
will be invalid for a "reasonable" period of time. For instance,
Oracle processes uses shared memory buffers allocated from a pool of
buffers. When a process dies, we want to reclaim these buffers -- but
we must make sure there are no pending RDMA operations to/from those
buffers. The only way to achieve that is by using unmap and sync the
TPT.
However, when the sequence count is reset on unmap, there is a high
likelihood that a new mapping will be given the same R_Key that was
issued a few milliseconds ago.
To prevent this, don't reset the sequence count when unmapping a FMR.
Signed-off-by: Olaf Kirch <olaf.kirch@oracle.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Open MPI, Intel MPI and other applications don't respect the iWARP
requirement that the client (active) side of the connection send the
first RDMA message. This class of application connection setup is
called peer-to-peer. Typically once the connection is setup, _both_
sides want to send data.
This patch enables supporting peer-to-peer over the chelsio RNIC by
enforcing this iWARP requirement in the driver itself as part of RDMA
connection setup.
Connection setup is extended, when the peer2peer module option is 1,
such that the MPA initiator will send a 0B Read (the RTR) just after
connection setup. The MPA responder will suspend SQ processing until
the RTR message is received and reply-to.
In the longer term, this will be handled in a standardized way by
enhancing the MPA negotiation so peers can indicate whether they
want/need the RTR and what type of RTR (0B read, 0B write, or 0B send)
should be sent. This will be done by standardizing a few bits of the
private data in order to negotiate all this. However this patch
enables peer-to-peer applications now and allows most of the required
firmware and driver changes to be done and tested now.
Design:
- Add a module option, peer2peer, to enable this mode.
- New firmware support for peer-to-peer mode:
- a new bit in the rdma_init WR to tell it to do peer-2-peer
and what form of RTR message to send or expect.
- process _all_ preposted recvs before moving the connection
into rdma mode.
- passive side: defer completing the rdma_init WR until all
pre-posted recvs are processed. Suspend SQ processing until
the RTR is received.
- active side: expect and process the 0B read WR on offload TX
queue. Defer completing the rdma_init WR until all
pre-posted recvs are processed. Suspend SQ processing until
the 0B read WR is processed from the offload TX queue.
- If peer2peer is set, driver posts 0B read request on offload TX
queue just after posting the rdma_init WR to the offload TX queue.
- Add CQ poll logic to ignore unsolicitied read responses.
Signed-off-by: Steve Wise <swise@opengridcomputing.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Extend the mlx4_cq_resize() API with a way to set the "collapsed" flag
for the CQ being created.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Yeah, in practice they both mean "root", but Alan correctly points out
that anybody who gets to do raw IO space accesses should really be using
CAP_SYS_RAWIO rather than CAP_NET_ADMIN.
Pointed-out-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[RAPIDIO] Change RapidIO doorbell source and target ID field to 16-bit
[RAPIDIO] Add RapidIO connection info print out and re-training for broken connections
[RAPIDIO] Add serial RapidIO controller support, which includes MPC8548, MPC8641
[RAPIDIO] Add RapidIO node probing into MPC86xx_HPCN board id table
[RAPIDIO] Add RapidIO node into MPC8641HPCN dts file
[RAPIDIO] Auto-probe the RapidIO system size
[RAPIDIO] Add OF-tree support to RapidIO controller driver
[RAPIDIO] Add RapidIO multi mport support
[RAPIDIO] Move include/asm-ppc/rio.h to asm-powerpc
[RAPIDIO] Add RapidIO option to kernel configuration
[RAPIDIO] Change RIO function mpc85xx_ to fsl_
[POWERPC] Provide walk_memory_resource() for powerpc
[POWERPC] Update lmb data structures for hotplug memory add/remove
[POWERPC] Hotplug memory remove notifications for powerpc
[POWERPC] windfarm: Add PowerMac 12,1 support
[POWERPC] Fix building of pmac32 when CONFIG_NVRAM=m
[POWERPC] Add IRQSTACKS support on ppc32
[POWERPC] Use __always_inline for xchg* and cmpxchg*
[POWERPC] Add fast little-endian switch system call
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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: John W. Linville <linville@tuxdriver.com>
Cc: Michael Buesch <mb@bu3sch.de>
Cc: Daniel Drake <dsd@gentoo.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Auke Kok <auke-jan.h.kok@intel.com>
Cc: John Ronciak <john.ronciak@intel.com>
Cc: Jesse Brandeburg <jesse.brandeburg@intel.com>
Cc: Grant Grundler <grundler@parisc-linux.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Some drivers have duplicated unlikely() macros. IS_ERR() already has
unlikely() in itself.
This patch cleans up such pointless code.
Signed-off-by: Hirofumi Nakagawa <hnakagawa@miraclelinux.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Jeff Garzik <jeff@garzik.org>
Cc: Paul Clements <paul.clements@steeleye.com>
Cc: Richard Purdie <rpurdie@rpsys.net>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Cc: David Brownell <david-b@pacbell.net>
Cc: James Bottomley <James.Bottomley@HansenPartnership.com>
Cc: Michael Halcrow <mhalcrow@us.ibm.com>
Cc: Anton Altaparmakov <aia21@cantab.net>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Carsten Otte <cotte@de.ibm.com>
Cc: Patrick McHardy <kaber@trash.net>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jaroslav Kysela <perex@perex.cz>
Cc: Takashi Iwai <tiwai@suse.de>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use proc_create()/proc_create_data() to make sure that ->proc_fops and ->data
be setup before gluing PDE to main tree.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Cc: Jeff Garzik <jgarzik@pobox.com>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use creation by full path: "driver/foo".
Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The RapidIO system size will auto probe in RIO setup. The route table
and rionet_active in rionet.c are changed to be allocated dynamically
according to the size of the system.
Signed-off-by: Zhang Wei <wei.zhang@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
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dev->irq is unsigned, platform_get_irq() may return signed unnoticed
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (45 commits)
[MIPS] Pb1200/DBAu1200: move platform code to its proper place
[MIPS] Fix handling of trap and breakpoint instructions
[MIPS] Pb1200: do register SMC 91C111
[MIPS] DBAu1200: fix bad SMC 91C111 resource size
[NET] Kconfig: Rename MIKROTIK_RB500 -> MIKROTIK_RB532
[MIPS] IP27: Fix build bug due to missing include
[MIPS] Fix some sparse warnings on traps.c and irq-msc01.c
[MIPS] cevt-gt641xx: Kill unnecessary include
[MIPS] DS1287: Add clockevent driver
[MIPS] add DECstation I/O ASIC clocksource
[MIPS] rbtx4938: minor cleanup
[MIPS] Alchemy: kill unused PCI_IRQ_TABLE_LOOKUP macro
[MIPS] rbtx4938: misc cleanups
[MIPS] jmr3927: use generic txx9 gpio
[MIPS] rbhma4500: use generic txx9 gpio
[MIPS] generic txx9 gpio support
[MIPS] make fallback gpio.h gpiolib-friendly
[MIPS] unexport null_perf_irq() and make it static
[MIPS] unexport rtc_mips_set_time()
[MIPS] unexport copy_from_user_page()
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
iwlwifi: Allow building iwl3945 without iwl4965.
wireless: Fix compile error with wifi & leds
tcp: Fix slab corruption with ipv6 and tcp6fuzz
ipv4/ipv6 compat: Fix SSM applications on 64bit kernels.
[IPSEC]: Use digest_null directly for auth
sunrpc: fix missing kernel-doc
can: Fix copy_from_user() results interpretation
Revert "ipv6: Fix typo in net/ipv6/Kconfig"
tipc: endianness annotations
ipv6: result of csum_fold() is already 16bit, no need to cast
[XFRM] AUDIT: Fix flowlabel text format ambibuity.
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The platform is actually named routerboard 532 so let's call it this.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Acked-by: Jeff Garzik <jeff@garzik.org>
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If IWL3945 ever depends on IWLCORE, the silent, user-invisible
IWLWIFI option can go away.
Signed-off-by: Jason Riedy <jason@acm.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
mlx4_core: Add helper to move QP to ready-to-send
mlx4_core: Add HW queues allocation helpers
RDMA/nes: Remove volatile qualifier from struct nes_hw_cq.cq_vbase
mlx4_core: CQ resizing should pass a 0 opcode modifier to MODIFY_CQ
mlx4_core: Move kernel doorbell management into core
IB/ehca: Bump version number to 0026
IB/ehca: Make some module parameters bool, update descriptions
IB/ehca: Remove mr_largepage parameter
IB/ehca: Move high-volume debug output to higher debug levels
IB/ehca: Prevent posting of SQ WQEs if QP not in RTS
IPoIB: Handle 4K IB MTU for UD (datagram) mode
RDMA/nes: Fix adapter reset after PXE boot
RDMA/nes: Print IPv4 addresses in a readable format
RDMA/nes: Use print_mac() to format ethernet addresses for printing
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... and isn't possible on sparc32 boxen anyway, unless somebody
had done JavaStation with PCIE lately.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Acked-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Avoid duplicating code in ethernet and FC modules.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Wrap doorbell, buffer and MTT allocation in helper functions for
ethernet and FC modules to use.
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc: (49 commits)
[POWERPC] Add zImage.iseries to arch/powerpc/boot/.gitignore
[POWERPC] bootwrapper: fix build error on virtex405-head.S
[POWERPC] 4xx: Fix 460GT support to not enable FPU
[POWERPC] 4xx: Add NOR FLASH entries to Canyonlands and Glacier dts
[POWERPC] Xilinx: of_serial support for Xilinx uart 16550.
[POWERPC] Xilinx: boot support for Xilinx uart 16550.
[POWERPC] celleb: Add support for PCI Express
[POWERPC] celleb: Move miscellaneous files for Beat
[POWERPC] celleb: Move a file for SPU on Beat
[POWERPC] celleb: Move files for Beat mmu and iommu
[POWERPC] celleb: Move files for Beat hvcall interfaces
[POWERPC] celleb: Move the SCC related code for celleb
[POWERPC] celleb: Move the files for celleb base support
[POWERPC] celleb: Consolidate io-workarounds code
[POWERPC] cell: Generalize io-workarounds code
[POWERPC] Add CONFIG_PPC_PSERIES_DEBUG to enable debugging for platforms/pseries
[POWERPC] Convert from DBG() to pr_debug() in platforms/pseries/
[POWERPC] Register udbg console early on pseries LPAR
[POWERPC] Mark udbg console as CON_ANYTIME, ie. callable early in boot
[POWERPC] Set udbg_console index to 0
...
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git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-xen-next
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-xen-next: (52 commits)
xen: add balloon driver
xen: allow compilation with non-flat memory
xen: fold xen_sysexit into xen_iret
xen: allow set_pte_at on init_mm to be lockless
xen: disable preemption during tlb flush
xen pvfb: Para-virtual framebuffer, keyboard and pointer driver
xen: Add compatibility aliases for frontend drivers
xen: Module autoprobing support for frontend drivers
xen blkfront: Delay wait for block devices until after the disk is added
xen/blkfront: use bdget_disk
xen: Make xen-blkfront write its protocol ABI to xenstore
xen: import arch generic part of xencomm
xen: make grant table arch portable
xen: replace callers of alloc_vm_area()/free_vm_area() with xen_ prefixed one
xen: make include/xen/page.h portable moving those definitions under asm dir
xen: add resend_irq_on_evtchn() definition into events.c
Xen: make events.c portable for ia64/xen support
xen: move events.c to drivers/xen for IA64/Xen support
xen: move features.c from arch/x86/xen/features.c to drivers/xen
xen: add missing definitions in include/xen/interface/vcpu.h which ia64/xen needs
...
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (48 commits)
net: Fix wrong interpretation of some copy_to_user() results.
xfrm: alg_key_len & alg_icv_len should be unsigned
[netdrvr] tehuti: move ioctl perm check closer to function start
ipv6: Fix typo in net/ipv6/Kconfig
via-velocity: fix vlan receipt
tg3: sparse cleanup
forcedeth: realtek phy crossover detection
ibm_newemac: Increase MDIO timeouts
gianfar: Fix skb allocation strategy
netxen: reduce stack usage of netxen_nic_flash_print
smc911x: test after postfix decrement fails in smc911x_{reset,drop_pkt}
net drivers: fix platform driver hotplug/coldplug
forcedeth: new backoff implementation
ehea: make things static
phylib: Add support for board-level PHY fixups
[netdrvr] atlx: code movement: move atl1 parameter parsing
atlx: remove flash vendor parameter
korina: misc cleanup
korina: fix misplaced return statement
WAN: Fix confusing insmod error code for C101 too.
...
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
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Noticed by davem.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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- vlans were using a single CAM register (see mac_set_vlan_cam)
- setting the address filtering registers for vlans is not
needed when there is no vlan
The non-tagged interface is filtered out as soon as a tagged
(!= 0) interface is created. Its traffic appears again when an
zero-tagged interface is created.
Tested on Via Epia SN (VT6130 chipset) with several vlans whose
tag was above or beyond 255.
Signed-off-by: Séguier Régis <rseguier@e-teleport.net>
Acked-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Fix the following sparse warning :
drivers/net/tg3.c:4025:3: warning: context imbalance in 'tg3_restart_hw'
- unexpected unlock
Signed-off-by: Eric Dumazet <dada1@cosmosbay.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes an issue seen with the realtek 8201 phy. This phy has a
problem with crossover detection and it needs to be disabled. The
problem only arises on certain switches. Therefore, a module parameter
has been added to allow enabling crossover detection if needed. The
default will be set to disabled.
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch doubles the MDIO timeouts in EMAC as there are field
cases where they are two short to communicate with some PHYs.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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gianfar was unable to handle failed skb allocation for rx buffers, so
we were spinning until it succeeded. Actually, it was worse--we were
spinning for a long time, and then silently failing. Instead, we take
Stephen Hemminger's suggestion to try the allocation earlier, and drop the
packet if it failed.
We also make a couple of tweaks to how buffer descriptors are set up.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Don't need to keep a struct netxen_new_user_info on the stack
when we only are interested in printing the serial_num. Change
to only reading the serial_num.
Signed-off-by: Harvey Harrison <harvey.harrison@gmail.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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When timeout reaches 0 the postfix decrement still subtracts, so the test
fails.
[akpm@linux-foundation.org: coding-style fixes]
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Acked-by: Peter Korsgaard <jacmet@sunsite.dk>
Cc: Jeff Garzik <jeff@garzik.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Since 43cc71eed1250755986da4c0f9898f9a635cb3bf, the platform modalias is
prefixed with "platform:". Add MODULE_ALIAS() to the hotpluggable network
platform drivers, to re-enable auto loading.
NOTE: didn't change drivers/net/fs_enet/fs_enet-main.c "old binding" support.
That looks problematic in the first place (it even uses the ancient "struct
device_driver" binding scheme for platform_bus!) and I suspect it will vanish
soonish when arch/powerpc rules the world. Also, drivers/net/ne.c would have
needed more thought to sort out.
[akpm@linux-foundation.org: fix sgiseeq.c]
[dbrownell@users.sourceforge.net: more drivers, registration fixes]
Signed-off-by: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Scott Wood <scottwood@freescale.com>
Cc: Vitaly Bordug <vitb@kernel.crashing.org>
Cc: Dale Farnsworth <dale@farnsworth.org>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Andrew Victor <andrew@sanpeople.com>
Cc: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch adds support for a new backoff algorithm for half duplex supported
in newer hardware. The old method is will be designated as legacy mode.
Re-seeding random values for the backoff algorithms are performed when a
transmit has failed due to a maximum retry count (1 to 15, where max is
considered the wraparound case of 0).
Signed-off-by: Ayaz Abdulla <aabdulla@nvidia.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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ehea_flush_sq() and ehea_purge_sq() should be static.
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Thomas Klein <osstklei@de.ibm.com>
Cc: Thomas Klein <tklein@de.ibm.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Sometimes the specific interaction between the platform and the PHY
requires special handling. For instance, to change where the PHY's
clock input is, or to add a delay to account for latency issues in the
data path. We add a mechanism for registering a callback with the PHY
Lib to be called on matching PHYs when they are brought up, or reset.
Signed-off-by: Andy Fleming <afleming@freescale.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Move some code from atlx.c to atl1.c to prevent build conflict with
the upcoming atl2 code. No changes, just movement.
Signed-off-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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There's no good reason to manually set the flash vendor in a module
parameter, outside of an Atheros hardware lab. Remove it, so nobody
accidentally bricks their board using it incorrectly.
Signed-off-by: Chris Snook <csnook@redhat.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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- useless initialization (korina_ope / korina_restart)
- use a single variable for the status code in korina_probe
and propagate the error status code from below
- useless checks in korina_remove : the variables are
necessarily set when korina_probe succeeds
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The driver takes the error unwind path without condition.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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The local variable "prefix" is never used anymore, and the content of
this string appears a bit later, directly in a call to "alloc_netdev"
after doing exactly the same if/else test. So there seems to be no
point keeping those 4 lines anymore.
Signed-off-by: Cédric Augonnet <cedric.augonnet@ens-lyon.org>
Signed-off-by: Krzysztof Hałasa <khc@pm.waw.pl>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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While trying to fix http://bugzilla.kernel.org/show_bug.cgi?id=8952
I looked at a few other drivers to figure out what drivers _should_
be doing for suspend/resume. I noticed typhoon driver is likely doing
more than it needs to. Patch below is untested since I don't have the HW.
Suspend/resume code across NIC drivers is fairly inconsistent.
And I couldn't find any documentation on what the canonical sequence
NICs need to do for suspend or resume. Is there any?
Barring contrary advice, I'm going model the tulip suspend/resume
fixes after tg3.c since a number of "modern" (< 5 years old) laptops
have that and I'm silly enough to assume it works.
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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This patch adds ibm_newemac PHY clock workaround for 440EP/440GR EMAC
attached to a PHY which doesn't generate RX clock if there is no link.
The code is based on the previous ibm_emac driver stuff. The 440EP/440GR
allows controlling each EMAC clock separately as opposed to global clock
selection for 440GX.
BenH: Made that #ifdef CONFIG_PPC_DCR_NATIVE for now as dcri_* stuff doesn't
exist for MMIO type DCRs like Cell. Some future rework & improvements of the
DCR infrastructure will make that cleaner but for now, this makes it work.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
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