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* master.kernel.org:/home/rmk/linux-2.6-serial:
[SERIAL] 8250: add locking to console write function
[SERIAL] Remove unconditional enable of TX irq for console
[SERIAL] 8250: set divisor register correctly for AMD Alchemy SoC uart
[SERIAL] AMD Alchemy UART: claim memory range
[SERIAL] Clean up serial locking when obtaining a reference to a port
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NET_SCHED]: HFSC: fix thinko in hfsc_adjust_levels()
[IPV6]: skb leakage in inet6_csk_xmit
[BRIDGE]: Do sysfs registration inside rtnl.
[NET]: Do sysfs registration as part of register_netdevice.
[TG3]: Fix possible NULL deref in tg3_run_loopback().
[NET] linkwatch: Handle jiffies wrap-around
[IRDA]: Switching to a workqueue for the SIR work
[IRDA]: smsc-ircc: Minimal hotplug support.
[IRDA]: Removing unused EXPORT_SYMBOLs
[IRDA]: New maintainer.
[NET]: Make netdev_chain a raw notifier.
[IPV4]: ip_options_fragment() has no effect on fragmentation
[NET]: Add missing operstates documentation.
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* master.kernel.org:/pub/scm/linux/kernel/git/jejb/scsi-rc-fixes-2.6: (25 commits)
[SCSI] mptfc: race between mptfc_register_dev and mptfc_target_alloc
[SCSI] lpfc 8.1.6 : Fix Data Corruption in Bus Reset Path
[SCSI] mptspi: revalidate negotiation parameters after host reset and resume
[SCSI] srp.h: avoid padding of structs
[SCSI] ibmvscsi: fix leak when failing to send srp event
[SCSI] qla2xxx: Correct eh_abort recovery logic.
[SCSI] megaraid_{mm,mbox}: fix a bug in reset handler
[SCSI] fusion - bug fix stack overflow in mptbase
[SCSI] scsi: Add IBM 2104-DU3 to blist
[SCSI] Fix DVD burning issues.
[SCSI] SCSI: aic7xxx_osm_pci resource leak fix.
[SCSI] - fusion - mptfc bug fix's to prevent deadlock situations
[SCSI] mptfusion: bug fix's for raid components adding/deleting
[SCSI] aic7xxx: ahc_pci_write_config() fix
[SCSI] megaraid: unused variable
[SCSI] qla2xxx: only free_irq() after request_irq() succeeds
[SCSI] Overrun in drivers/scsi/sim710.c
[SCSI] lpfc 8.1.5 : Change version number to 8.1.5
[SCSI] lpfc 8.1.5 : Misc small fixes
[SCSI] lpfc 8.1.5 : Additional fixes to LOGO, PLOGI, and RSCN processing
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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:
IB/mthca: FMR ioremap fix
IPoIB: Free child interfaces properly
IB/mthca: Fix race in reference counting
IB/srp: Fix tracking of pending requests during error handling
IB: Fix display of 4-bit port counters in sysfs
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Addresses for ioremap must be calculated off of pci_resource_start;
we can't directly use the bus address as seen by the HCA. Fix the
code that remaps device memory for FMR access.
Based on patch by Klaus Smolin.
Signed-off-by: Michael S. Tsirkin <mst@mellanox.co.il>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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master.kernel.org:/pub/scm/linux/kernel/git/shemminger/netdev-2.6
* 'upstream' of master.kernel.org:/pub/scm/linux/kernel/git/shemminger/netdev-2.6:
sis900: phy for FoxCon motherboard
dl2k: use DMA_48BIT_MASK constant
phy: mdiobus_register(): initialize all phy_map entries
sky2: ifdown kills irq mask
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661FX7MI-S motherboard which uses the SiS 661FX chipset. The patch adds
an entry to mii_chip_info for the transceiver.
The PHY ids were found using the sis900_c_122.diff patch from
http://brownhat.org/sis900.html but that patch didn't solve the problem,
because the PHY at address 1 was already being chosen.
Without my patch, when bursts of packets arrive from other hosts on a
LAN, the interface dropped one roughly 10% of the time, causing
retransmits. There were fifth second pauses in refresh of large xterms,
and it made Netrek suck. I can provide further test data.
Workaround in lieu of patch is to use mii-tool to advertise
100baseTx-HD, then force renegotiation.
I wasn't able to identify the actual transceiver, so the description
field is a guess.
This patch is similar to Artur Skawina's patch:
http://marc.theaimsgroup.com/?l=linux-netdev&m=114297516729079&w=2
I'm not sure, but I wonder if it means the default behaviour should be
changed, so as to better handle future transceivers.
Diff is against 2.6.16.13.
Signed-off-by: James Cameron <james.cameron@hp.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Typo will be harder with this one.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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make sure phy_map entries whose PHY address is masked are initialized
to NULL, given that other code (such as mdiobus_unregister for
instance) assumes that non-NULL phy_map entries are allocated
phy_devices
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Bringing down a port also masks off the status and other IRQ's
needed for device to function due to missing paren's.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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This patch corrects the order of the calls to register_chrdev() and
pcmcia_register_driver(). Now udev correctly creates userspace device
files /dev/cmmN and /dev/cmxN respectively.
Based on an earlier patch by Jan Niehusmann <jan@gondor.com>.
Signed-off-by: Harald Welte <laforge@netfilter.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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A race condition exists in mptfc between the thread registering a device
with the fc transport and the scan work generated by the transport.
This race existed prior to the application of the mptfc bug fix patch.
mptfc_register_dev() calls fc_remote_port_add() with the FC_RPORT_ROLE_TARGET
bit set in the rport ids passed to the function. Having this bit set causes
fc_remote_port_add() to schedule a scan of the device.
This scan can execute before mptfc_register_dev() can fill in the dd_data
in the rport structure. When this happens, mptfc_target_alloc() will fail
because dd_data is null.
Attached is a patch which fixes the problem. The patch changes the rport ids
passed to fc_remote_port_add() to not have the TARGET bit set. This prevents
the scan from being scheduled. After mptfc_register_dev() fills in the rport
dd_data field, fc_remote_port_rolechg() is called, changing the role of the
rport to TARGET. Thus, the scan is scheduled after dd_data is filled
in which prevents the failure in mptfc_target_alloc().
Signed-off-by: Michael Reed <mdr@sgi.com>
Signed-off-by: Eric Moore <Eric.Moore@lsil.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
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tg3_run_loopback doesn't check that dev_alloc_skb() returns anything
useful.
Even if dev_alloc_skb() fails to return an skb to us we'll happily go
on and assume it did, so we risk dereferencing a NULL pointer. Much
better to fail gracefully by returning -ENOMEM than crashing here.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When deleting a child interface with a non-default P_Key via
/sys/class/net/ibX/delete_child, the interface must be freed with
free_netdev() (rather than kfree() on the private data).
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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Since sir_kthread.c pretty much duplicates the workqueue
functionality, we'd better switch. The SIR fsm has been merged into
sir_dev.c and thus sir_kthread.c is deleted.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Samuel Ortiz <samuel.ortiz@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Minimal PNP hotplug support for the smsc-ircc2 driver. A modular
driver will be modprobed via hotplug, but still bypasses driver model
probing.
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Samuel Ortiz <samuel.ortiz@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix races in in destroying various objects. If a destroy routine
waits for an object to become free by doing
wait_event(&obj->wait, !atomic_read(&obj->refcount));
/* now clean up and destroy the object */
and another place drops a reference to the object by doing
if (atomic_dec_and_test(&obj->refcount))
wake_up(&obj->wait);
then this is susceptible to a race where the wait_event() and final
freeing of the object occur between the atomic_dec_and_test() and the
wake_up(). And this is a use-after-free, since wake_up() will be
called on part of the already-freed object.
Fix this in mthca by replacing the atomic_t refcounts with plain old
integers protected by a spinlock. This makes it possible to do the
decrement of the reference count and the wake_up() so that it appears
as a single atomic operation to the code waiting on the wait queue.
While touching this code, also simplify mthca_cq_clean(): the CQ being
cleaned cannot go away, because it still has a QP attached to it. So
there's no reason to be paranoid and look up the CQ by number; it's
perfectly safe to use the pointer that the callers already have.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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If a SCSI abort completes, or the command completes successfully, then
the driver must remove the command from its queue of pending
commands. Similarly, if a device reset succeeds, then all commands
queued for the given device must be removed from the queue.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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The code to display local_link_integrity_errors and
excessive_buffer_overrun_errors in
/sys/class/infiniband/<hca>/ports/<n>/counters/
uses the wrong shift to extract the 4 bit values.
Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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A newer board revision changed the type of ethernet phy.
Moreover, this generalizes the way that a phy gets switched
into fiber mode when autodetection is not available.
Signed-off-by: Jens Osterkamp <Jens.Osterkamp@de.ibm.com>
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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We found a new chip setting that we need in order
to make the driver work more reliable.
Signed-off-by: Arnd Bergmann <arnd.bergmann@de.ibm.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Ensure that 8-bit mode is selected for the on-board Realtek RTL8019AS chip
on Toshiba RBHMA4x00, get rid of the duplicate #ifdef's when setting
ei_status.word16.
The chip's datasheet says that the PSTOP register shouldn't exceed 0x60 in
8-bit mode -- ensure this too.
Signed-off-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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since the au1000 driver already selects the CRC32 routines, simply replace
the internal ether_crc() implementation with the semantically equivalent
one from <linux/crc32.h>
Signed-off-by: Herbert Valerio Riedel <hvr@gnu.org>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Update version number, to track changes.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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The newest Yukon Ultra chipset's require more special tweaks.
They seem to be like the Yukon XL chipsets. This code is transliterated
from the latest SysKonnect driver; I don't have any Ultra hardware.
Signed-off-by: Stephe Hemminger <shemminger@osdl.org>
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Need to make sure interrupt is not racing with unregister of
network device.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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It is more efficient not to write the status ring from the
processor and just read the active portion.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Need to make the edge-triggered workaround timer faster to get marginally
better peformance. The test_and_set_bit in schedule_prep() acts as a barrier
already. Make it a module parameter so that laptops who are concerned
about power can set it to 0; and user's stuck with broken BIOS's
can turn the driver into pure polling.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Gcc isn't smart enough to know that it can do a modulo
operation with power of 2 constant by doing a mask.
So add macro to do it for us.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Mask for transmit ring status was picking up bits from the
unused sync ring. They were always zero, so far...
Also, make sure to remind self not to make tx ring too big.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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The status interrupt flag should be cleared before processing,
not afterwards to avoid race. Need to process in poll routine
even if no new interrupt status. This is a normal occurrence when
more than 64 frames (NAPI weight) are processed in one poll routine.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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This is a backout of earlier patch.
The whole rescheduling hack was a bad idea. It doesn't really solve
the problem and it makes the code more complicated for no good reason.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
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Taking the cpu hotplug semaphore in a normal events workqueue
is unsafe because other tasks can wait for any workqueues with
it hold. This results in a deadlock.
Move the DBS timer into its own work queue which is not
affected by other work queue flushes to avoid this.
Has been acked by Venkatesh.
Cc: venkatesh.pallipadi@intel.com
Cc: cpufreq@lists.linux.org.uk
Signed-off-by: Andi Kleen <ak@suse.de>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[IRDA] irda-usb: use NULL instead of 0
[IPV4]: Remove likely in ip_rcv_finish()
[NET]: Create netdev attribute_groups with class_device_add
[CLASS DEVICE]: add attribute_group creation
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* git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild:
kbuild: Do not overwrite makefile as anohter user
kbuild: drivers/video/logo/ - fix ident glitch
kbuild: fix gen_initramfs_list.sh
kbuild modpost - relax driver data name
kbuild: removing .tmp_versions considered harmful
kbuild: fix modpost segfault for 64bit mipsel kernel
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Use NULL instead of 0 for a null pointer value (sparse warning):
drivers/net/irda/irda-usb.c:1781:30: warning: Using plain integer as NULL pointer
Also, correct timeout argument to use milliseconds instead of jiffies.
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Extend the support of attribute groups in class_device's to allow
groups to be created as part of the registration process. This allows
network device's to avoid race between registration and creating
groups.
Note that unlike attributes that are a property of the class object,
the groups are a property of the class_device object. This is done
because there are different types of network devices (wireless for
example).
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fix:
drivers/rtc/rtc-sa1100.c: In function `sa1100_rtc_proc':
drivers/rtc/rtc-sa1100.c:298: warning: unsigned int format, long unsigned int arg (arg 3)
and arrange for sa1100_rtc_open() to pass the devid to free_irq()
rather than NULL.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Fix the conditions under which we poke at the APHY registers in
bcm43xx_phy_initg() to avoid a machine check on chips where they don't
exist.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The problem here is that the bcm34xx driver and the ieee80211
stack do not agree on what channels are possible for 802.11a.
The ieee80211 stack only wants channels between 34 and 165, while
the bcm43xx driver accepts anything from 0 to 200. I made the
bcm43xx driver comply with the ieee80211 stack expectations, by
using the proper constants.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
[mb]: Reduce stack usage by kzalloc-ing ieee80211_geo
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Check for valid MAC address in SPROM fields instead of relying on
PHY type while setting the MAC address in the networking subsystem,
as some devices have multiple PHYs.
Signed-off-by: Stefano Brivio <stefano.brivio@polimi.it>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes a crash when
iwconfig ethX mode foo
is done before
ifconfig ethX up
or after
ifconfig ethX down
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc
* 'merge' of git://git.kernel.org/pub/scm/linux/kernel/git/paulus/powerpc:
[PATCH] powerpc: Use the ibm,pa-features property if available
powerpc: Fix incorrect might_sleep in __get_user/__put_user on kernel addresses
[PATCH] ppc32 CPM_UART: fixes and improvements
[PATCH] ppc32 CPM_UART: Fixed break send on SCC
[PATCH] powerpc/kprobes: fix singlestep out-of-line
[PATCH] powerpc/pseries: avoid crash in PCI code if mem system not up
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* master.kernel.org:/home/rmk/linux-2.6-arm:
[ARM] 3490/1: i.MX: move uart resources to board files
[ARM] 3488/1: make icedcc_putc do the right thing
[ARM] 3487/1: IXP4xx: Support non-PCI systems
[ARM] 3486/1: Mark memory as clobbered by the ARM _syscallX() macros
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* master.kernel.org:/home/rmk/linux-2.6-mmc:
[MMC] Move set_ios debugging into mmc.c
[MMC] Correct mmc_request_done comments
[MMC] PXA: reduce the number of lines PXAMCI debug uses
[MMC] PXA and i.MX: don't avoid sending stop command on error
[MMC] extend data timeout for writes
[ARM] 3485/1: i.MX: MX1 SD/MMC fix of unintentional double start possibility
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* master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[DECNET]: Fix level1 router hello
[TCP]: Fix sock_orphan dead lock
[ROSE]: Eleminate HZ from ROSE kernel interfaces
[NETROM]: Eleminate HZ from NET/ROM kernel interfaces
[AX.25]: Eleminate HZ from AX.25 kernel interfaces
[ROSE]: Fix routing table locking in rose_remove_neigh.
[AX.25]: Move AX.25 symbol exports
[HAMRADIO]: Remove remaining SET_MODULE_OWNER calls from hamradio drivers.
[AX25, ROSE]: Remove useless SET_MODULE_OWNER calls.
[AX.25]: Spelling fix
[ROSE]: Remove useless prototype for rose_remove_neigh().
[NETFILTER]: x_tables: don't use __copy_{from,to}_user on unchecked memory in compat layer
[NETFILTER]: H.323 helper: Change author's email address
[NETFILTER]: NAT: silence unused variable warnings with CONFIG_XFRM=n
[NETFILTER]: H.323 helper: fix use of uninitialized data
[NETFILTER]: H.323 helper: fix endless loop caused by invalid TPKT len
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Rather than having every driver duplicate the set_ios debugging,
provide a single version in mmc.c which can be expanded as we
add additional functionality.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Patch from Sascha Hauer
This patch moves the i.MX uart resources and the gpio pin setup to the
board files. This allows the boards to decide how many internal uarts
are connected to the outside world and whether they use rts/cts or
not.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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mmc_request_done should be called at the end of handling a request, not
between the data and initial command parts of the request.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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