Add hardware flow control support,
Add transmit DMA support,
Add FIFO operation support,
Add MSB/LSB on data support,
Add 9-bits MARK/SPACE support.

Signed-off-by: Jingchang Lu <b35083@freescale.com>

Detection of high-speed USB device disconnection should be enable
on connection and disable on disconnection.

Signed-off-by: Jingchang Lu <b35083@freescale.com>

Add platform support for SAI driver.

Signed-off-by: Alison Wang <b18965@freescale.com>

In order to know which wakeup event occurs for usb wakeup

Signed-off-by: Peter Chen <peter.chen@freescale.com>

Add discharge vbus flag

Signed-off-by: Peter Chen <peter.chen@freescale.com>

the patch is based on a series of patches by Per Forlin
the patch is sdhci host side implementation.

using a toshiba SDHC3.0 card, the performance increases
from 48.5MB/s to 52.4MB/s.

cmd: dd if=/dev/mmcblk0 of=/dev/null bs=1M count=500

the performance results running@1GHz, 200MHz CPU freq are:
52.4MB/s -> 20.7MB/s

Signed-off-by: Tony Lin <tony.lin@freescale.com>

Remove rst_gpio field to mxc_audio_platform_data.

Signed-off-by: Lionel Xu <Lionel.Xu@freescale.com>

Some host controllers will not operate without a hardware
timeout that is limited in value.  However large discards
require large timeouts, so there needs to be a way to
specify the maximum discard size.

A host controller driver may now specify the maximum discard
timeout possible so that max_discard_sectors can be calculated.

However, for eMMC when the High Capacity Erase Group Size
is not in use, the timeout calculation depends on clock
rate which may change.  For that case Preferred Erase Size
is used instead.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

If the MMC_SEND_STATUS command is not successful, we should not return
a zero status word, but instead allow the caller to know positively
that an error occurred.

Convert the open-coded get_card_status() to use the helper function,
and provide definitions for the card state field.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Tested-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Chris Ball <cjb@laptop.org>

Previously there has only been one function mmc_wait_for_req()
to start and wait for a request. This patch adds:

 * mmc_start_req() - starts a request wihtout waiting
   If there is on ongoing request wait for completion
   of that request and start the new one and return.
   Does not wait for the new command to complete.

This patch also adds new function members in struct mmc_host_ops
only called from core.c:

 * pre_req - asks the host driver to prepare for the next job
 * post_req - asks the host driver to clean up after a completed job

The intention is to use pre_req() and post_req() to do cache maintenance
while a request is active. pre_req() can be called while a request is
active to minimize latency to start next job. post_req() can be used after
the next job is started to clean up the request. This will minimize the
host driver request end latency. post_req() is typically used before
ending the block request and handing over the buffer to the block layer.

Add a host-private member in mmc_data to be used by pre_req to mark the
data. The host driver will then check this mark to see if the data is
prepared or not.

Signed-off-by: Per Forlin <per.forlin@linaro.org>
Acked-by: Kyungmin Park <kyungmin.park@samsung.com>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Reviewed-by: Venkatraman S <svenkatr@ti.com>
Tested-by: Sourav Poddar <sourav.poddar@ti.com>
Tested-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Chris Ball <cjb@laptop.org>