user/sven/linux.git/include/linux/mmc/card.h, branch v4.12.4

mmc: core: Export API to allow hosts to get the card address

2017-04-24T19:49:15Z

Some hosts controllers, like Cavium, needs to know whether the card operates in byte- or block-address mode. Therefore export a new API, mmc_card_is_blockaddr(), which provides this information. Signed-off-by: Ulf Hansson Signed-off-by: Steven J. Hill Acked-by: David Daney

mmc: mmc_test: Disable Command Queue while mmc_test is used

2017-04-24T19:42:02Z

Normal read and write commands may not be used while the command queue is enabled. Disable the Command Queue when mmc_test is probed and re-enable it when it is removed. Signed-off-by: Adrian Hunter Reviewed-by: Harjani Ritesh Reviewed-by: Linus Walleij Signed-off-by: Ulf Hansson

mmc: mmc: Add functions to enable / disable the Command Queue

2017-04-24T19:42:02Z

Add helper functions to enable or disable the Command Queue. Signed-off-by: Adrian Hunter Reviewed-by: Linus Walleij Signed-off-by: Ulf Hansson

mmc: queue: Share mmc request array between partitions

2017-04-24T19:42:01Z

eMMC can have multiple internal partitions that are represented as separate disks / queues. However switching between partitions is only done when the queue is empty. Consequently the array of mmc requests that are queued can be shared between partitions saving memory. Keep a pointer to the mmc request queue on the card, and use that instead of allocating a new one for each partition. Signed-off-by: Adrian Hunter Reviewed-by: Linus Walleij Signed-off-by: Ulf Hansson

mmc: Adding AUTO_BKOPS_EN bit set for Auto BKOPS support

2017-02-14T08:11:00Z

Adding dedicated flag for AUTO_BKOPS in card->ext_csd structure. Read AUTO_BKOPS bit value from the device EXT_CSD and set to the card->ext_csd structure. In mmc_decode_ext_csd() add a print message in case the AUTO_BKOPS is enabled Signed-off-by: Uri Yanai Signed-off-by: Alex Lemberg Signed-off-by: Ulf Hansson

mmc: core: Move public functions from card.h to private headers

2017-02-13T12:20:24Z

A significant amount of functions and other definitions are available through the public mmc card.h header file. Let's slim down this public mmc interface, as to prevent users from abusing it, by moving some of the functions/definitions to private mmc header files. This change concentrates on moving the functions into private mmc headers, following changes may continue with additional clean-ups. Signed-off-by: Ulf Hansson Reviewed-by: Linus Walleij Reviewed-by: Shawn Lin

mmc: core: First step in cleaning up public mmc header files

2017-02-13T12:20:19Z

This is the first step in cleaning up the public mmc header files. In this change we makes sure each header file builds standalone, as that helps to resolve dependencies. While changing this, it also seems reasonable to stop including other headers from inside a header itself which it don't depend upon. Additionally, in some cases such dependencies are better resolved by forward declaring the needed struct. Signed-off-by: Ulf Hansson Reviewed-by: Shawn Lin

mmc: core: Export device lifetime information through sysfs

2017-02-13T12:19:52Z

In the eMMC 5.0 version of the spec, several EXT_CSD fields about device lifetime are added. - Two types of estimated indications reflected by averaged wear out of memory - An indication reflected by average reserved blocks Export the information through sysfs. Signed-off-by: Jungseung Lee Reviewed-by: Jaehoon Chung Reviewed-by: Shawn Lin Signed-off-by: Ulf Hansson

mmc: mmc: Add Command Queue definitions

2016-12-05T09:31:07Z

Add definitions relating to Command Queuing. Signed-off-by: Adrian Hunter Reviewed-by: Linus Walleij Signed-off-by: Ulf Hansson

mmc: core: use enum mmc_blk_status properly

2016-11-29T08:00:51Z

There were several instances of code using the enum mmc_blk_status by arbitrarily converting it to an int and throwing it around to different functions. This makes the code hard to understand to may give rise to strange errors. Especially the function prototype mmc_start_req() had to be modified to take a pointer to an enum mmc_blk_status and the function pointer .err_check() inside struct mmc_async_req needed to return an enum mmc_blk_status. In every case: instead of assigning the block layer error code to an int, use the enum, also change the signature of all functions actually passing this enum to use the enum. To make it possible to use the enum everywhere applicable, move it to so that all code actually using it can also see it. An interesting case was encountered in the MMC test code which did not return a enum mmc_blk_status at all in the .err_check function supposed to check whether asynchronous requests worked or not: instead it returned a normal -ERROR or even the test frameworks internal error codes. The test code would also pass on enum mmc_blk_status codes as error codes inside the test code instead of converting them to the local RESULT_* codes. I have tried to fix all instances properly and run some tests on the result. Cc: Chunyan Zhang Cc: Baolin Wang Signed-off-by: Linus Walleij Signed-off-by: Ulf Hansson