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authorKishon Vijay Abraham I <kishon@ti.com>2011-02-24 12:46:54 +0300
committerTony Lindgren <tony@atomide.com>2011-02-25 00:03:33 +0300
commite95496d4acadd0b72c4947be61e8d44700fdaae7 (patch)
tree61d9a72d7a1e20ad373858f725f8aaf5472ce6e6 /arch/arm/mach-omap2/mcbsp.c
parentf36d01d64f1caf0545214a5dc14096477f68cfbe (diff)
downloadlinux-e95496d4acadd0b72c4947be61e8d44700fdaae7.tar.xz
OMAP: McBSP: Add pm runtime support
Add pm runtime support for McBSP driver. Reference to fclk is not removed because it is required when the functional clock is switched from one source to another. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Acked-by: Peter Ujfalusi <peter.ujfalusi@nokia.com> Acked-by: Jarkko Nikula <jhnikula@gmail.com> Acked-by: Mark Brown <broonie@opensource.wolfsonmicro.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
Diffstat (limited to 'arch/arm/mach-omap2/mcbsp.c')
-rw-r--r--arch/arm/mach-omap2/mcbsp.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/arch/arm/mach-omap2/mcbsp.c b/arch/arm/mach-omap2/mcbsp.c
index 275d6cfa0b24..4ada6a9ca4aa 100644
--- a/arch/arm/mach-omap2/mcbsp.c
+++ b/arch/arm/mach-omap2/mcbsp.c
@@ -23,6 +23,7 @@
#include <plat/cpu.h>
#include <plat/mcbsp.h>
#include <plat/omap_device.h>
+#include <linux/pm_runtime.h>
#include "control.h"
@@ -83,7 +84,7 @@ int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
return -EINVAL;
}
- clk_disable(mcbsp->fclk);
+ pm_runtime_put_sync(mcbsp->dev);
r = clk_set_parent(mcbsp->fclk, fck_src);
if (IS_ERR_VALUE(r)) {
@@ -93,7 +94,7 @@ int omap2_mcbsp_set_clks_src(u8 id, u8 fck_src_id)
return -EINVAL;
}
- clk_enable(mcbsp->fclk);
+ pm_runtime_get_sync(mcbsp->dev);
clk_put(fck_src);