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This reverts commit fd6e732186ab522c812ab19c2c5e5befb8ec8115, which
helped up things on MIPS, but was wrong for everything else. As Ralf
Baechle puts it:
"It seems the whole MIPS resource managment is complicated enough (out
of necessity) that only a few people actually grok it. Ioports being
actually memory mapped on MIPS only makes the confusion worse, sigh."
Requested-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Alan Cox <alan@redhat.com>
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev
* 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/libata-dev:
libata: kill spurious NCQ completion detection
ahci: don't attach if ICH6 is in combined mode
ata_piix: add Toshiba Tecra M4 to broken suspend list
ahci: fix engine reset failed message
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Spurious NCQ completion detection implemented in ahci was incorrect.
On AHCI receving and processing FISes and raising interrupts are not
interlocked and spurious interrupts are expected.
For example, if an interrupt occurs while interrupt handler is running
and the running interrupt handler handles the event the new IRQ
indicated, after IRQ handler finishes, it will be executed again
because IRQ pending bit is set by the new interrupt but there won't be
anything to process.
Please read the following message for more information.
http://article.gmane.org/gmane.linux.ide/26012
This patch...
* Removes all spurious IRQ whining from ahci. Spurious NCQ completion
detection was completely wrong. Spurious D2H Register FIS taught us
that some early drives send spurious D2H Register FIS with I bit set
while NCQ commands are in progress but none of recent drives does
that and even the ones which show such behavior can do NCQ fine.
* Kills all NCQ blacklist entries which were added because of spurious
NCQ completions. I tracked down each commit and verified all
removed ones are actually added because of spurious completions.
WD740ADFD-00NLR1 wasn't deleted but moved upward because the drive
not only had spurious NCQ completions but also is slow on sequential
data transfers if NCQ is enabled.
Maxtor 7V300F0 was added by 0e3dbc01d53940fe10e5a5cfec15ede3e929c918
from Alan Cox. I can only find evidences that the drive only had
troubles with spuruious completions by searching the mailing list.
This entry needs to be verified and removed if it doesn't have other
NCQ related problems.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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ICH6 R/Ms share PCI ID between piix and ahci modes and we've been
allowing ahci to attach regardless of how BIOS configured it.
However, enabling AHCI mode when the controller is in combined mode
can result in unexpected behavior. Don't attach if the controller is
in combined mode.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Cc: Bill Nottingham <notting@redhat.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add Toshiba Tecra M4 to broken suspend list. This is from OSDL
bugzilla bug 7780.
Signed-off-by: Peter Schwenke <peter@bluetoad.com.au>
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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There isn't much point in reporting -EOPNOTSUPP as failure. Also the
message was missing newline.
Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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registers
- Making sure register initialisation is complete before proceeding further.
The driver must wait until initialization is complete before attempting to
access any other device registers.
Signed-off-by: Surjit Reang <surjit.reang@neterion.com>
Signed-off-by: Sreenivasa Honnur <sreenivasa.honnur@neterion.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This updates the copyright notices of the new EMAC driver to
avoid confusion as who is to be blamed for new bugs.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The patch moves dev_set_drvdata(&ofdev->dev, dev) up before tah_reset(ofdev)
is called to avoid a NULL pointer dereference, since tah_reset uses drvdata.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch fixes a typo in ibm_newemac/core.c
(tah_port should be used instead of tah_ph)
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The EMAC4_MR1_OBCI(freq) macro expects freg in MHz,
while opb_bus_freq is kept in Hz. Correct this.
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Depending on how the 44x processors are wired, some EMAC cells
might not be useable (and not connected to a PHY). However, some
device-trees may choose to still expose them (since their registers
are present in the MMIO space) but with an "unused" property in them.
Signed-off-by: Hugh Blemings <hugh@blemings.org>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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There are a few variants of the STACR register that affect more than
just the "AXON" version of EMAC. Replace the current test of various
chip models with tests for generic properties in the device-tree.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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More than just "AXON" version of EMAC RGMII supports MDIO, so replace
the current test with a generic property in the device-tree that
indicates such support.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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With some PHYs, when the link goes away, the EMAC reset fails due
to the loss of the RX clock I believe.
The old EMAC driver worked around that using some internal chip-specific
clock force bits that are different on various 44x implementations.
This is an attempt at doing it differently, by avoiding the reset when
there is no link, but forcing loopback mode instead. It seems to work
on my Taishan 440GX based board so far.
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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When using ZMII for MDIO only (such as 440GX with RGMII for data and ZMII for
MDIO), the ZMII code would fail to properly refcount, thus triggering a
BUG_ON().
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Acked-by: Stefan Roese <sr@denx.de>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This adds support for the Agere ET1011c PHY as found on the AMCC Taishan
board.
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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This patch adds BCM5248 and Marvell 88E1111 PHY support to NEW EMAC driver.
These PHY chips are used on PowerPC 440EPx boards.
The PHY code is based on the previous work by Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
Signed-off-by: Valentine Barshak <vbarshak@ru.mvista.com>
Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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No need to convert to bytes and back - cleanup unneeded code.
Adapted from fix from 'Roel Kluin <12o3l@tiscali.nl>'
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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drivers/net/e1000/e1000_ethtool.c:113:
#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
drivers/net/e1000e/ethtool.c:106:
#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
E1000_TEST_LEN*ETH_GSTRING_LEN will expand to
sizeof(e1000_gstrings_test) / (ETH_GSTRING_LEN * ETH_GSTRING_LEN)
A lack of parentheses around defines causes unexpected results due to
operator precedences.
Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Signed-off-by: Auke Kok <auke-jan.h.kok@intel.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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The bnx2x module depends on the zlib_inflate functions. The
build will fail if ZLIB_INFLATE has not been selected manually
or by building another module that automatically selects it.
Modify BNX2X config option to 'select ZLIB_INFLATE' like BNX2
and others. This seems to fix it.
Signed-off-by: Lee Schermerhorn <lee.schermerhorn@hp.com>
Acked-by: Eliezer Tamir <eliezert@broadcom.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Update GPIO mapping for T3C.
Update xgmac for T3C support.
Fix typo in mtu table.
Signed-off-by: Divy Le Ray <divy@chelsio.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Fixes a race condition in module unload. Without this change,
workqueue events may fire while bonding data structures are partially
freed but before bond_close() is invoked by unregister_netdevice().
Update version to 3.2.3.
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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Add new hash for balance-xor and 802.3ad modes. Originally
submitted by "Glenn Griffin" <ggriffin.kernel@gmail.com>; modified by
Jay Vosburgh to move setting of hash policy out of line, tweak the
documentation update and add version update to 3.2.2.
Glenn's original comment follows:
Included is a patch for a new xmit_hash_policy for the bonding driver
that selects slaves based on MAC and IP information. This is a middle
ground between what currently exists in the layer2 only policy and the
layer3+4 policy. This policy strives to be fully 802.3ad compliant by
transmitting every packet of any particular flow over the same link.
As documented the layer3+4 policy is not fully compliant for extreme
cases such as ip fragmentation, so this policy is a nice compromise
for environments that require full compliance but desire more than the
layer2 only policy.
Signed-off-by: "Glenn Griffin" <ggriffin.kernel@gmail.com>
Signed-off-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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From: David Sterba <dsterba@suse.cz>
Use macros for comparing jiffies. Jiffies' wrap caused missed events and hangs.
Module reinsert was needed to make bonding work again.
Signed-off-by: David Sterba <dsterba@suse.cz>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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From: Wagner Ferenc <wferi@niif.hu>
For consistency with the behaviour of the arp_ip_target option,
let /sys/class/net/bond0/bonding/xmit_hash_policy accept and report
current policy even if the bonding mode in effect does not use it.
Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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From: Wagner Ferenc <wferi@niif.hu>
Adhere to coding style: break line after the if condition
Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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From: Wagner Ferenc <wferi@niif.hu>
Code for rendering multivalue sysfs files occurs three times
in this module. Rename 'buffer' to 'buf' in the first, for
the sake of consistency.
Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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From: Wagner Ferenc <wferi@niif.hu>
The previous code returned '\n' (that is, a single empty line)
from most files, with one exception (xmit_hash_policy), where
it returned 'NA\n'. This patch consolidates each file to return
nothing at all if not applicable, not even a '\n'.
I find this behaviour more usual, more useful, more efficient
and shorter to code from both sides.
Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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From: Wagner Ferenc <wferi@niif.hu>
Also remove trailing spaces from multivalued files.
This fixes output like for example:
$ od -c /sys/class/net/bond0/bonding/slaves
0000000 e t h - l e f t e t h - r i g
0000020 h t \n \0
0000025
It mostly entails deleting '+1'-s after sprintf() calls: the return value
of sprintf is the number of characters printed, without the closing NUL,
ie. exactly what the sysfs interface requires. The three multivalue
cases are different, because they also have to swallow back a trailing
space.
Signed-off-by: Ferenc Wagner <wferi@niif.hu>
Acked-by: Jay Vosburgh <fubar@us.ibm.com>
Signed-off-by: Jeff Garzik <jeff@garzik.org>
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* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
ACPI: move timer broadcast before busmaster disable
clockevents: warn once when program_event() is called with negative expiry
hrtimers: avoid overflow for large relative timeouts
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[AF_RXRPC]: Add a missing goto
[VLAN]: Lost rtnl_unlock() in vlan_ioctl()
[SCTP]: Fix the bind_addr info during migration.
[SCTP]: Add bind hash locking to the migrate code
[IPV4]: Remove prototype of ip_rt_advice
[IPv4]: Reply net unreachable ICMP message
[IPv6] SNMP: Increment OutNoRoutes when connecting to unreachable network
[BRIDGE]: Section fix.
[NIU]: Fix link LED handling.
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The timer broadcast code might access HPET, which should not be
accessed after the busmaster disable.
In acpi_idle_enter_simple() this change also prevents, that we modify
the busmaster state without going actually idle. This might leave the
ACPI bm state in a stale state, when we leave the function early in
the need_resched() check.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Acked-by: Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
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Convert part of the led trigger core from rw spinlocks to rw
semaphores. We're calling functions which can sleep from invalid
contexts otherwise. Fixes bug #9264.
Signed-off-by: Richard Purdie <rpurdie@rpsys.net>
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The LED in the current driver will not be controlled correctly. During
a link change the carrier of the link is not available and the LED
will never turn on.
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6
* 'release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-acpi-2.6:
ACPI: suspend: old debugging hacks sneaked back
Freezer: Fix JFFS2 garbage collector freezing issue (rev. 2)
HWMON: coretemp, suspend fix
Freezer: Fix APM emulation breakage
Freezer: Fix s2disk resume from initrd
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* git://git.kernel.org/pub/scm/linux/kernel/git/kyle/parisc-2.6:
[PARISC] lba_pci: pci_claim_resources disabled expansion roms
[PARISC] print more than one character at a time for pdc console
[PARISC] Update parisc-linux MAINTAINERS entries
[PARISC] timer interrupt should not be IRQ_DISABLED
Revert "[PARISC] import necessary bits of libgcc.a"
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radeonfb was HPMC-ing my C8000 by trying to map its expansion rom from
IO_VIEW, instead of PA_VIEW. Fix seems to be to ensure that its disabled
ROM is properly inserted into the resource tree.
FIXME: this will result in a whinging printk for cards which share expansion
ROMS, such as a quad tulip. Thankfully, it isn't harmful.
Signed-off-by: Kyle McMartin <kyle@mcmartin.ca>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
[LRO]: fix lro_gen_skb() alignment
[TCP]: NAGLE_PUSH seems to be a wrong way around
[TCP]: Move prior_in_flight collect to more robust place
[TCP] FRTO: Use of existing funcs make code more obvious & robust
[IRDA]: Move ircomm_tty_line_info() under #ifdef CONFIG_PROC_FS
[ROSE]: Trivial compilation CONFIG_INET=n case
[IPVS]: Fix sched registration race when checking for name collision.
[IPVS]: Don't leak sysctl tables if the scheduler registration fails.
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The AMD CS5535/CS5536 GPIO has two alternate output modes: AUX-1 and AUX-2.
When either AUX is enabled, the cs5535_gpio driver cannot control the
output.
Some BIOS code for the Geode processor enables AUX-1 for GPIO-1, which
configures it as the PC BEEP output.
This patch will disable AUX-1 and AUX-2 when the user enables output.
Signed-of-by: Ben Gardner <gardner.ben@gmail.com>
Cc: Richard Knutsson <ricknu-0@student.ltu.se>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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- reconfigure SPI baud from speed_hz of each spi transfer
- according to spi_transfer.bits_per_word to reprogram register and setup
correct SPI operation handlers
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Remove some sort of bloaty code, try to get these pin_req arrays built at compile-time
- move this static things to the blackfin board file
- add pin_req array to struct bfin5xx_spi_master
- tested on BF537/BF548 with SPI flash
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Cc: David Brownell <david-b@pacbell.net>
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: Bryan Wu <bryan.wu@analog.com>
Cc: David Brownell <david-b@pacbell.net>
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: Bryan Wu <bryan.wu@analog.com>
Cc: David Brownell <david-b@pacbell.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Set correct baud for spi mmc and enable SPI only after DMA is started.
Signed-off-by: Sonic Zhang <sonic.zhang@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move cs_chg_udelay handling (specific to this driver) to cs_deactive(), fixing
a bug when some SPI LCD driver needs delay after cs_deactive.
Fix bug reported by Cameron Barfield <cbarfield@cyberdata.net>
https://blackfin.uclinux.org/gf/project/uclinux-dist/forum/?action=ForumBrowse&forum_id=39&_forum_action=ForumMessageBrowse&thread_id=23630&feedback=Message%20replied.
Cc: Cameron Barfield <cbarfield@cyberdata.net>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix bug in u16_cs_chg_reader to read data_len-2 bytes data firstly, then read
out the last 2 bytes data
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Move global SPI regs_base and dma_ch to struct driver_data. Test on BF54x SPI
Flash with 2 spi_master devices enabled.
Signed-off-by: Bryan Wu <bryan.wu@analog.com>
Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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