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drivers: hwspinlock: add OMAP implementation

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Add hwspinlock support for the OMAP4 Hardware Spinlock device.

The Hardware Spinlock device on OMAP4 provides hardware assistance
for synchronization between the multiple processors in the system
(dual Cortex-A9, dual Cortex-M3 and a C64x+ DSP).

[ohad@wizery.com: adapt to hwspinlock framework, tidy up]
Signed-off-by: Simon Que <sque@ti.com>
Signed-off-by: Hari Kanigeri <h-kanigeri2@ti.com>
Signed-off-by: Krishnamoorthy, Balaji T <balajitk@ti.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Cc: Kevin Hilman <khilman@ti.com>
Cc: Grant Likely <grant.likely@secretlab.ca>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Russell King <linux@arm.linux.org.uk>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Simon Que
2011-02-17 09:52:03 -08:00
committed by Tony Lindgren
parent bd9a4c7df2
commit 70ba4cc26b
3 changed files with 241 additions and 0 deletions
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drivers/hwspinlock/Kconfig
+9
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@@ -11,3 +11,12 @@ config HWSPINLOCK
coprocessors).
If unsure, say N.
config HWSPINLOCK_OMAP
tristate "OMAP Hardware Spinlock device"
depends on HWSPINLOCK && ARCH_OMAP4
help
Say y here to support the OMAP Hardware Spinlock device (firstly
introduced in OMAP4).
If unsure, say N.