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v3.18
linux
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drivers
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mailbox
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mailbox: Introduce framework for mailbox Introduce common framework for client/protocol drivers and controller drivers of Inter-Processor-Communication (IPC). Client driver developers should have a look at include/linux/mailbox_client.h to understand the part of the API exposed to client drivers. Similarly controller driver developers should have a look at include/linux/mailbox_controller.h Reviewed-by: Mark Brown <broonie@linaro.org> Signed-off-by: Jassi Brar <jaswinder.singh@linaro.org>
2014-06-12 22:31:19 +05:30
ARM / highbank: add support for pl320 IPC The pl320 IPC allows for interprocessor communication between the highbank A9 and the EnergyCore Management Engine. The pl320 implements a straightforward mailbox protocol. Signed-off-by: Mark Langsdorf <mark.langsdorf@calxeda.com> Signed-off-by: Rob Herring <rob.herring@calxeda.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-01-28 16:13:14 +00:00
mailbox/omap: move the OMAP mailbox framework to drivers The mailbox hardware (in OMAP) uses a queued mailbox interrupt mechanism that provides a communication channel between processors through a set of registers and their associated interrupt signals by sending and receiving messages. The OMAP mailbox framework/driver code is moved to be under drivers/mailbox, in preparation for adapting to a common mailbox driver framework. This allows the build for OMAP mailbox to be enabled (it was disabled during the multi-platform support). As part of the migration from plat and mach code: - Kconfig symbols have been renamed to build OMAP1 or OMAP2+ drivers. - mailbox.h under plat-omap/plat/include has been split into a public and private header files. The public header has only the API related functions and types. - The module name mailbox.ko from plat-omap is changed to omap-mailbox.ko - The module name mailbox_mach.ko from mach-omapX is changed as mailbox_omap1.ko for OMAP1 mailbox_omap2.ko for OMAP2+ Cc: Tony Lindgren <tony@atomide.com> [gregkh@linuxfoundation.org: ack for staging part] Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by: Omar Ramirez Luna <omar.ramirez@copitl.com> Signed-off-by: Suman Anna <s-anna@ti.com>
2013-03-12 17:55:29 -05:00
mailbox/omap: consolidate OMAP mailbox driver There is no need for a separate common OMAP mailbox module now that the OMAP1 mailbox driver has been removed. So, consolidate the two individual OMAP mailbox modules into a single driver. This streamlines the driver for converting to mailbox framework. The following are the main changes: - collapse mailbox-omap2.c into omap-mailbox.c - remove omap_mbox_ops and replace the ops calls with the equivalent functionality. - simplify the sub-mailbox startup/shutdown functionality, the one-time operations are moved into probe, and the pm_runtime_get_sync and pm_runtime_put_sync can be invoked without using a configuration counter. - move all definitions from private omap_mbox.h into the source code, and eliminate this internal header. - rename some variables that used the omap2_mbox prefix with a generic omap_mbox prefix. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
2014-06-24 19:43:41 -05:00
