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path: root/drivers/mfd/sh_mobile_sdhi.c
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* mmc: tmio: convert the SDHI MMC driver from MFD to a platform driverGuennadi Liakhovetski2011-03-25
| | | | | | | | | | | | On sh-mobile platforms the SDHI driver was using the tmio_mmc SD/SDIO MFD cell driver. Now that the tmio_mmc driver has been split into a core and a separate MFD glue, we can support SDHI natively without the need to emulate an MFD controller. This also allows to support systems with an on-SoC SDHI controller and a separate MFD with a TMIO core. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Paul Mundt <lethal@linux-sh.org> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Use mfd_data instead of driver_data for tmio-mmcAndres Salomon2011-03-23
| | | | | | | | | | | | Use mfd_data for passing information from mfd drivers to mfd clients. The mfd_cell's driver_data field is being phased out. Clients that were using driver_data now access .mfd_data via mfd_get_data(). This changes tmio-mmc only; mfd drivers with other cells are not modified. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: mfd_cell is now implicitly available to sh_mobile_sdhi driversAndres Salomon2011-03-23
| | | | | | | No need to explicitly set the cell's platform_data/data_size. Signed-off-by: Andres Salomon <dilinger@queued.net> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: sh_mobile_sdhi: activate SDIO IRQ for tmio_mmcArnd Hannemann2011-01-08
| | | | | | | | | The SDHI Controller on SH-Mobile SoCs supports SDIO IRQ signalling. This patch advertises this fact to the tmio_mmc driver. Signed-off-by: Arnd Hannemann <arnd@arndnet.de> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mfd: sdhi: require the tmio-mmc driver to bounce unaligned buffersGuennadi Liakhovetski2011-01-08
| | | | | | | | | The SDHI controller on SH-Mobile SoCs requires even buffer addresses, when used with DMA. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Chris Ball <cjb@laptop.org>
* mmc: Allow 2 byte requests in 4-bit mode for tmio_mmcYusuke Goda2010-10-28
| | | | | | | | | | | | | Adjust the tmio_mmc block size check to accept 2-byte requests in 4-bit mode if the hardware supports it. Tested with the SDHI hardware block included in sh7724. Signed-off-by: Yusuke Goda <yusuke.goda.sx@renesas.com> Signed-off-by: Matt Fleming <matt@console-pimps.org> Acked-by: Magnus Damm <damm@opensource.se> Tested-by: Arnd Hannemann <arnd@arndnet.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Allow the platform to specify the sh_mobile_sdhi get_cd handlerArnd Hannemann2010-10-28
| | | | | | | | | | | On some platforms (e.g. AP4EVB) the card detect pin of a slot is not directly connected to the sdhi hardware, so that polling needs to be used with tmio_mmc and card detection is handled in the platform code. This patch allows to set tmio_mmc capabilities (to pass the MMC_CAP_NEEDS_POLL flag) and exposes a get_cd hook for that purpose. Signed-off-by: Arnd Hannemann <arnd@arndnet.de> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Fix up section mismatches in SH SDHI.Paul Mundt2010-09-16
| | | | | | | The current probe/remove definitions are split between __init and __devexit, make them consistent by switching to __devinit. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: allow platforms to specify SD-card supported voltagesGuennadi Liakhovetski2010-05-22
| | | | | | | | | Boards can have different supplied voltages on different SD card slots. This information has to be passed down to the SD/MMC driver. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Ian Molton <ian@mnementh.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* mfd: pass platform flags down to the tmio_mmc driverGuennadi Liakhovetski2010-05-22
| | | | | | Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Ian Molton <ian@mnementh.co.uk> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* sh: prepare the SDHI MFD driver to pass DMA configuration to tmio_mmc.cGuennadi Liakhovetski2010-05-22
| | | | | | | | | Pass DMA slave IDs from platform down to the tmio_mmc driver, to be used for dmaengine configuration. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Acked-by: Samuel Ortiz <sameo@linux.intel.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* include cleanup: Update gfp.h and slab.h includes to prepare for breaking ↵Tejun Heo2010-03-30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | implicit slab.h inclusion from percpu.h percpu.h is included by sched.h and module.h and thus ends up being included when building most .c files. percpu.h includes slab.h which in turn includes gfp.h making everything defined by the two files universally available and complicating inclusion dependencies. percpu.h -> slab.h dependency is about to be removed. Prepare for this change by updating users of gfp and slab facilities include those headers directly instead of assuming availability. As this conversion needs to touch large number of source files, the following script is used as the basis of conversion. http://userweb.kernel.org/~tj/misc/slabh-sweep.py The script does the followings. * Scan files for gfp and slab usages and update includes such that only the necessary includes are there. ie. if only gfp is used, gfp.h, if slab is used, slab.h. * When the script inserts a new include, it looks at the include blocks and try to put the new include such that its order conforms to its surrounding. It's put in the include block which contains core kernel includes, in the same order that the rest are ordered - alphabetical, Christmas tree, rev-Xmas-tree or at the end if there doesn't seem to be any matching order. * If the script can't find a place to put a new include (mostly because the file doesn't have fitting include block), it prints out an error message indicating which .h file needs to be added to the file. The conversion was done in the following steps. 1. The initial automatic conversion of all .c files updated slightly over 4000 files, deleting around 700 includes and adding ~480 gfp.h and ~3000 slab.h inclusions. The script emitted errors for ~400 files. 2. Each error was manually checked. Some didn't need the inclusion, some needed manual addition while adding it to implementation .h or embedding .c file was more appropriate for others. This step added inclusions to around 150 files. 3. The script was run again and the output was compared to the edits from #2 to make sure no file was left behind. 4. Several build tests were done and a couple of problems were fixed. e.g. lib/decompress_*.c used malloc/free() wrappers around slab APIs requiring slab.h to be added manually. 5. The script was run on all .h files but without automatically editing them as sprinkling gfp.h and slab.h inclusions around .h files could easily lead to inclusion dependency hell. Most gfp.h inclusion directives were ignored as stuff from gfp.h was usually wildly available and often used in preprocessor macros. Each slab.h inclusion directive was examined and added manually as necessary. 6. percpu.h was updated not to include slab.h. 7. Build test were done on the following configurations and failures were fixed. CONFIG_GCOV_KERNEL was turned off for all tests (as my distributed build env didn't work with gcov compiles) and a few more options had to be turned off depending on archs to make things build (like ipr on powerpc/64 which failed due to missing writeq). * x86 and x86_64 UP and SMP allmodconfig and a custom test config. * powerpc and powerpc64 SMP allmodconfig * sparc and sparc64 SMP allmodconfig * ia64 SMP allmodconfig * s390 SMP allmodconfig * alpha SMP allmodconfig * um on x86_64 SMP allmodconfig 8. percpu.h modifications were reverted so that it could be applied as a separate patch and serve as bisection point. Given the fact that I had only a couple of failures from tests on step 6, I'm fairly confident about the coverage of this conversion patch. If there is a breakage, it's likely to be something in one of the arch headers which should be easily discoverable easily on most builds of the specific arch. Signed-off-by: Tejun Heo <tj@kernel.org> Guess-its-ok-by: Christoph Lameter <cl@linux-foundation.org> Cc: Ingo Molnar <mingo@redhat.com> Cc: Lee Schermerhorn <Lee.Schermerhorn@hp.com>
* mfd: sh_mobile_sdhi MMC_CAP_MMC_HIGHSPEED supportMagnus Damm2010-03-07
| | | | | | | | Add MMC_CAP_MMC_HIGHSPEED support to the sh_mobile_sdhi driver. Also, remove type cast and FIXME comment. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
* mfd: Add power control platform data to SDHI driverMagnus Damm2009-11-29
| | | | | | | | | | This patch adds platform data with a function for power control to the SDHI driver. The idea is that board specific code can provide their own functions so power can be enabled and disabled for the sd-cards. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
* mfd: Add SuperH Mobile SDHI platform driverMagnus Damm2009-10-25
This patch adds an MFD driver for the SuperH Mobile SDHI hardware block. At this point the driver simply wraps the tmio-mmc driver with some clock code. In the future this driver is the place to put SDHI specific hotplug code. Signed-off-by: Magnus Damm <damm@opensource.se> Signed-off-by: Paul Mundt <lethal@linux-sh.org>