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Especially with the PM framework, those are quite handy to have in driver
code too.
Signed-off-by: Nicolas Pitre <nico@marvell.com>
Cc: <linux-mmc@vger.kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-Off-By: Kay Sievers <kay.sievers@vrfy.org>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/drzeus/mmc: (68 commits)
sdio_uart: Fix SDIO break control to now return success or an error
mmc: host driver for Ricoh Bay1Controllers
sdio: sdio_io.c Fix sparse warnings
sdio: fix the use of hard coded timeout value.
mmc: OLPC: update vdd/powerup quirk comment
mmc: fix spares errors of sdhci.c
mmc: remove multiwrite capability
wbsd: fix bad dma_addr_t conversion
atmel-mci: Driver for Atmel on-chip MMC controllers
mmc: fix sdio_io sparse errors
mmc: wbsd.c fix shadowing of 'dma' variable
MMC: S3C24XX: Refuse incorrectly aligned transfers
MMC: S3C24XX: Add maintainer entry
MMC: S3C24XX: Update error debugging.
MMC: S3C24XX: Add media presence test to request handling.
MMC: S3C24XX: Fix use of msecs where jiffies are needed
MMC: S3C24XX: Add MODULE_ALIAS() entries for the platform devices
MMC: S3C24XX: Fix s3c2410_dma_request() return code check.
MMC: S3C24XX: Allow card-detect on non-IRQ capable pin
MMC: S3C24XX: Ensure host->mrq->data is valid
...
Manually fixed up bogus executable bits on drivers/mmc/core/sdio_io.c
and include/linux/mmc/sdio_func.h when merging.
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This adds reading and using of enable_timeout from the CIS
Signed-off-by: Benzi Zbit <benzi.zbit@intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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This patch fixes sdio_io sparse errors.
This fix changes signature of API functions,
changing
unsigned char -> u8
unsigned short -> u16
unsigned long -> u32 - this was probably a bug in 64 bit platforms
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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There are a lot of crappy controllers out there that cannot handle
all the request sizes that the MMC/SD/SDIO specifications require.
In case the card driver can pad the data to overcome the problems,
this commit adds a helper that calculates how much that padding
should be.
A corresponding helper is also added for SDIO, but it can also deal
with all the complexities of splitting up a large transfer efficiently.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Store vendor strings found in CISTPL_VERS_1 so that function drivers
can access them.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add sdio_f0_readb() and sdio_f0_writeb() functions to reading and
writing function 0 registers. Writes outside the vendor specific CCCR
registers (0xF0 - 0xFF) are not permitted.
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Before a driver is probed, set the function's block size to the default so the
driver is sure the block size is something sensible and it needn't explicitly
set it.
The default block size is the largest that's supported by both the card and
the host, with a maximum of 512 to ensure aribitrarily sized transfer use the
optimal (least) number of commands.
See http://lkml.org/lkml/2007/8/7/150 for reasons for the block size choice.
Signed-off-by: David Vrabel <david.vrabel@csr.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Support the multi-byte transfer operation, including handlers for
common operations like writel()/readl().
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Signed-off-by: Nicolas Pitre <npitre@mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add a more clean separation between global, common CIS information
and the function specific one as we need the common information in
places where no specific function is specified.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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This way those tuples that the core cares about are consumed by the core
code, and tuples that only function drivers might make sense of are
available to drivers.
Signed-off-by: Nicolas Pitre <npitre@mvista.com>
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Like many other buses, the devices (functions) on the SDIO bus
must be enabled before they can be used. Add functions that allow
drivers to do so.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add command wrappers that simplify register access from SDIO
function drivers.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add basic driver handling to the SDIO device model.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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Add the sdio bus type and basic device handling.
Signed-off-by: Pierre Ossman <drzeus@drzeus.cx>
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