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David Brownell 70d6027ff2 spi: add spi_master flag word 
Add a new spi_master.flags word listing constraints relevant to that
controller.  Define the first constraint bit: a half duplex restriction.
Include that constraint in the OMAP1 MicroWire controller driver.

Have the mmc_spi host be the first customer of this flag.  Its coding
relies heavily on full duplex transfers, so it must fail when the
underlying controller driver won't perform them.

(The spi_write_then_read routine could use it too: use the
temporarily-withdrawn full-duplex speedup unless this flag is set, in
which case the existing code applies.  Similarly, any spi_master
implementing only SPI_3WIRE should set the flag.)

Signed-off-by: David Brownell <dbrownell@users.sourceforge.net>
Cc: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
 		2009-06-30 18:56:00 -07:00
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accessibility
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acpi ACPI: video: prevent NULL deref in acpi_get_pci_dev() 2009-06-26 00:23:42 -04:00
amba
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ata libata: don't set IORDY for reset 2009-06-23 01:54:30 -04:00
atm
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auxdisplay
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base
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block hd: stop defining MAJOR_NR 2009-06-18 09:56:20 +02:00
bluetooth
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cdrom
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char tty: Fix the leak in tty_ldisc_release 2009-06-29 09:33:26 -07:00
clocksource
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connector
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cpufreq
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cpuidle
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crypto crypto: padlock-aes - work around Nano CPU errata in CBC mode 2009-06-18 19:31:09 +08:00
dca
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dio
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dma DMA: txx9dmac: use dma_unmap_single if DMA_COMPL_{SRC,DEST}_UNMAP_SINGLE set 2009-06-24 18:34:40 +01:00
edac edac: add DDR3 memory type for MPC85xx EDAC 2009-06-30 18:55:59 -07:00
eisa
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firewire Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-06-22 21:29:52 -07:00
firmware
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gpio gpio: driver for PrimeCell PL061 GPIO controller 2009-06-19 16:46:03 -07:00
gpu Merge branch 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6 2009-06-25 17:04:37 -07:00
hid
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hwmon
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i2c i2c: fix build bug in i2c-designware.c 2009-06-25 11:22:12 -07:00
ide ide: memory overrun in ide_get_identity_ioctl() on big endian machines using ioctl HDIO_OBSOLETE_IDENTITY 2009-06-29 19:31:41 -07:00
idle
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ieee1394 Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6 2009-06-22 21:29:52 -07:00
ieee802154
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infiniband Merge branches 'ehca', 'misc', 'mlx4', 'mthca' and 'nes' into for-linus 2009-06-23 10:38:47 -07:00
input Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input 2009-06-20 10:17:02 -07:00
isdn
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leds leds: Add options to have GPIO LEDs start on or keep their state 2009-06-23 20:21:39 +01:00
lguest eventfd: revised interface and cleanups 2009-06-30 18:55:58 -07:00
macintosh powerpc/pmac: Fix DMA ops for MacIO devices 2009-06-26 14:37:25 +10:00
mca
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md dm mpath: change to be request based 2009-06-22 10:12:37 +01:00
media V4L/DVB (12131): BUGFIX: An incorrect Carrier Recovery Loop optimization table was being 2009-06-23 03:29:57 -03:00
memstick
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message fusion: mptsas, fix lock imbalance 2009-06-22 08:54:14 -05:00
mfd [WATCHDOG] twl4030 watchdog driver 2009-06-20 18:39:43 +00:00
misc gru: copyright fixes 2009-06-18 13:04:04 -07:00
mmc spi: add spi_master flag word 2009-06-30 18:56:00 -07:00
mtd Merge git://git.infradead.org/mtd-2.6 2009-06-22 16:56:22 -07:00
net be2net: Fix to avoid a crash seen on PPC with LRO and Jumbo frames. 2009-06-28 17:34:25 -07:00
nubus
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of
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oprofile
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parisc
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parport parport/serial: add support for NetMos 9901 Multi-IO card 2009-06-30 18:55:59 -07:00
pci intel-iommu: fix Identity Mapping to be arch independent 2009-06-26 11:26:27 +01:00
pcmcia
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platform eeepc-laptop: Fix build failure with HOTPLUG_PCI && !SYSFS 2009-06-29 09:40:38 -07:00
pnp Merge branches 'acerhdf', 'acpi-pci-bind', 'bjorn-pci-root', 'bugzilla-12904', 'bugzilla-13121', 'bugzilla-13396', 'bugzilla-13533', 'bugzilla-13612', 'c3_lock', 'hid-cleanups', 'misc-2.6.31', 'pdc-leak-fix', 'pnpacpi', 'power_nocheck', 'thinkpad_acpi', 'video' and 'wmi' into release 2009-06-24 01:19:50 -04:00
power
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pps LinuxPPS: core support 2009-06-18 13:04:04 -07:00
ps3
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rapidio
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regulator
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rtc rtc: make rtc_update_irq callable with irqs enabled 2009-06-19 16:46:05 -07:00
s390 [S390] dasd: fix refcounting in dasd_change_state 2009-06-22 12:08:23 +02:00
sbus
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scsi [SCSI] scsi_transport_fc: replace BUS_ID_SIZE by fixed count 2009-06-21 12:11:43 -05:00
serial parport/serial: add support for NetMos 9901 Multi-IO card 2009-06-30 18:55:59 -07:00
sh
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sn
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spi spi: add spi_master flag word 2009-06-30 18:56:00 -07:00
ssb
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staging Staging: octeon-ethernet: Fix race freeing transmit buffers. 2009-06-24 18:34:41 +01:00
tc
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telephony
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thermal
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uio
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usb usb_serial: Fix oops when unexisting usb serial device is opened. 2009-06-25 11:24:26 -07:00
uwb
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video Merge branch 'for-linus' of git://git.o-hand.com/linux-rpurdie-backlight 2009-06-29 09:41:12 -07:00
virtio
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vlynq
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w1 Merge git://git.infradead.org/battery-2.6 2009-06-24 14:35:57 -07:00
watchdog powerpc/rtas: Fix watchdog driver temperature read functionality 2009-06-26 16:55:37 +10:00
xen
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zorro
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Kconfig LinuxPPS: core support 2009-06-18 13:04:04 -07:00
Makefile LinuxPPS: core support 2009-06-18 13:04:04 -07:00