hwspinlock: add a CSR atlas7 driver
Add hwspinlock support for the CSR atlas7 SoC.
The Hardware Spinlock device on atlas7 provides hardware assistance
for synchronization between the multiple processors in the system
(dual Cortex-A7, CAN bus Cortex-M3 and audio DSP).
Reviewed-by: Suman Anna <s-anna@ti.com>
Reviewed-by: Bjorn Andersson <bjorn.andersson@sonymobile.com>
Signed-off-by: Wei Chen <wei.chen@csr.com>
Signed-off-by: Barry Song <Baohua.Song@csr.com>
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
diff --git a/drivers/hwspinlock/Kconfig b/drivers/hwspinlock/Kconfig
index b5b4f52..73a4016 100644
--- a/drivers/hwspinlock/Kconfig
+++ b/drivers/hwspinlock/Kconfig
@@ -30,6 +30,18 @@
If unsure, say N.
+config HWSPINLOCK_SIRF
+ tristate "SIRF Hardware Spinlock device"
+ depends on ARCH_SIRF
+ select HWSPINLOCK
+ help
+ Say y here to support the SIRF Hardware Spinlock device, which
+ provides a synchronisation mechanism for the various processors
+ on the SoC.
+
+ It's safe to say n here if you're not interested in SIRF hardware
+ spinlock or just want a bare minimum kernel.
+
config HSEM_U8500
tristate "STE Hardware Semaphore functionality"
depends on ARCH_U8500