993e4fbd78
Expose omap_device_{alloc, delete, register} so we can use them outside of omap_device.c. This approach allows users, which need to manipulate an archdata member of a device before it is registered, to do so. This is also useful for users who have their devices created very early so they can be used at ->reserve() time to reserve CMA memory. The immediate use case for this is to set the private iommu archdata member, which binds a device to its associated iommu controller. This way, generic code will be able to attach omap devices to their iommus, without calling any omap-specific API. With this in hand, we can further clean the existing mainline OMAP iommu driver and its mainline users, and focus on generic IOMMU approaches for future users (rpmsg/remoteproc and the upcoming generic DMA API). This patch is still considered an interim solution until DT fully materializes for omap; at that point, this functionality will be removed as DT will take care of creating the devices and configuring them correctly. Tested on OMAP4 with a generic rpmsg/remoteproc that doesn't use any omap-specific IOMMU API anymore. Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com> Signed-off-by: Kevin Hilman <khilman@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com> |
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