linux.git/drivers/mmc/core/host.c, branch v3.10

mmc: convert to idr_alloc()

2013-02-28T03:10:17+00:00

Convert to the much saner new idr interface.

Signed-off-by: Tejun Heo 
Cc: Chris Ball 
Signed-off-by: Andrew Morton 
Signed-off-by: Linus Torvalds

mmc: add DT bindings for more MMC capability flags

2013-02-24T19:37:25+00:00

Many MMC capability flags are platform-dependent and are traditionally set
in platform data. With DT often each such capability requires a special
binding. Add bindings for MMC_CAP_SD_HIGHSPEED, MMC_CAP_MMC_HIGHSPEED,
MMC_CAP_POWER_OFF_CARD and MMC_CAP_SDIO_IRQ capabilities. Also add code to
DT parser to look up "keep-power-in-suspend" and "enable-sdio-wakeup"
bindings and set MMC_PM_KEEP_POWER and MMC_PM_WAKE_SDIO_IRQ respectively,
if found.

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: Chris Ball

mmc: provide a standard MMC device-tree binding parser centrally

2013-02-24T19:37:19+00:00

MMC defines a number of standard DT bindings. Having each driver parse
them individually adds code redundancy and is error prone. Provide a
standard function to unify the parsing. After all drivers are converted
to using it instead of their own parsers, this function can be integrated
into mmc_alloc_host().

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: Chris Ball

workqueue: deprecate system_nrt[_freezable]_wq

2012-08-20T21:51:24+00:00

system_nrt[_freezable]_wq are now spurious.  Mark them deprecated and
convert all users to system[_freezable]_wq.

If you're cc'd and wondering what's going on: Now all workqueues are
non-reentrant, so there's no reason to use system_nrt[_freezable]_wq.
Please use system[_freezable]_wq instead.

This patch doesn't make any functional difference.

Signed-off-by: Tejun Heo 
Acked-By: Lai Jiangshan 

Cc: Jens Axboe 
Cc: David Airlie 
Cc: Jiri Kosina 
Cc: "David S. Miller" 
Cc: Rusty Russell 
Cc: "Paul E. McKenney" 
Cc: David Howells

mmc: prohibit card detection when host is not ready

2012-07-21T04:02:21+00:00

Currently mmc host drivers have to decide whether to enable card
detection before calling mmc_add_host() -- in which case a card
insertion event can arrive before the host has been completely
initialised -- or after mmc_add_host(), in which case the initial
card detection can be problematic.

This patch adds an explicit indication of when card detection should
not be carried out. With it in place enabling card detection before
calling mmc_add_host() should be safe. Similarly, disabling it again
after calling mmc_remove_host() will avoid any races.

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: Chris Ball

mmc: core: convert slot functions to managed allocation

2012-07-21T04:02:17+00:00

This prepares for the addition of further slot functions.

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: Chris Ball

mmc: core: use a more generic name for slot function types and fields

2012-07-21T04:02:16+00:00

struct mmc_host::hotplug is becoming a generic hook for slot functions.
Rename it accordingly.

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: Chris Ball

mmc: start removing enable / disable API

2012-03-27T16:20:03+00:00

Most parts of the enable / disable API are no longer used and
can be removed.

Signed-off-by: Adrian Hunter 
Tested-by: Venkatraman S 
Tested-by: Jaehoon Chung 
Signed-off-by: Chris Ball

mmc: core: fix regression: set default clock gating delay to 0

2012-03-04T17:18:40+00:00

A recent commit "mmc: core: Use delayed work in clock gating framework"
(597dd9d79cfbbb1) introduced a default 200ms delay before clock gating
actually takes place.  This means that every time an MMC interface
becomes idle it first stays on for 200ms before gating its clock. This
leads to increased power consumption and is therefore a clear regression.
This patch restores the original behaviour by setting the default delay
to 0. Users prioritising throughput over power efficiency can still
modify the delay via sysfs.

Signed-off-by: Guennadi Liakhovetski 
Signed-off-by: Chris Ball

mmc: core: Fixup delayed work clock gating patch

2012-01-12T04:58:43+00:00

c31b50e (mmc: core: Use delayed work in clock gating framework,
2011-11-14) missed a few things during review:

 o A useless pr_info()

 o milliseconds was written as two words

 o The sysfs file had units in its output

Fix all three problems.

Signed-off-by: Stephen Boyd 
Cc: Sujit Reddy Thumma 
Signed-off-by: Chris Ball