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Leonid Lobachev e2505d92c7 char: oscar: gasket: add interface to set a separate DMA device

In at least the case of an mfd_cell multi-function device child, the
child platform device does not inherit the DMA / IOMMU configuration
of the parent.  Copying that configuration is non-straightforward or
even likely impossible when the parent device is PCI and holds
pointers to IOMMU-related state only made available for PCI devices.

Add a gasket call to allow platform chip drivers to register their
PCI parent as the device to use for DMA API calls, such that the
chip drivers can workaround this.

Change-Id: I4a4b6de67f5d10197f8ea02d06522090b150d659
Signed-off-by: Todd Poynor <toddpoynor@google.com>

2019-09-23 22:43:27 +00:00

apex_driver.c

staging: gasket: Enable DFS and thermal shutdown by default

2019-06-11 11:40:27 -07:00

apex.h

staging: gasket: apex: move driver-private defines out of apex.h

2018-09-04 11:59:50 -07:00

gasket_constants.h

staging: gasket: remove "reset type" param from framework

2018-09-04 12:02:51 -07:00

gasket_core.c

char: oscar: gasket: add interface to set a separate DMA device