Add an API to get main clock name associated with a given @oh.
This will avoid the need to construct fclk names during early
initialization in order to get fclk handle using clk_get().
Cc: Cousson, Benoit <b-cousson@xxxxxx>
Cc: Paul Walmsley <paul@xxxxxxxxx>
Cc: Tony Lindgren <tony@xxxxxxxxxxx>
Cc: Kevin Hilman <khilman@xxxxxx>
Cc: Rajendra Nayak <rnayak@xxxxxx>
Cc: Santosh Shilimkar <santosh.shilimkar@xxxxxx>
Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@xxxxxx>
---
arch/arm/mach-omap2/omap_hwmod.c | 15 +++++++++++++++
arch/arm/plat-omap/include/plat/omap_hwmod.h | 2 ++
2 files changed, 17 insertions(+), 0 deletions(-)
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c
index 2c27fdb..2c6214d 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -2775,3 +2775,18 @@ int omap_hwmod_pad_route_irq(struct omap_hwmod *oh, int pad_idx, int irq_idx)
return 0;
}
+
+/**
+ * omap_hwmod_get_main_clk - get pointer to main clock name
+ * @oh: struct omap_hwmod *
+ *
+ * Returns the main clock name assocated with @oh upon success,
+ * or NULL if @oh is NULL.
+ */
+const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh)
+{
+ if (!oh)
+ return NULL;
+
+ return oh->main_clk;
+}
diff --git a/arch/arm/plat-omap/include/plat/omap_hwmod.h b/arch/arm/plat-omap/include/plat/omap_hwmod.h
index 8070145..f3c0697 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -608,6 +608,8 @@ int omap_hwmod_no_setup_reset(struct omap_hwmod *oh);
int omap_hwmod_pad_route_irq(struct omap_hwmod *oh, int pad_idx, int irq_idx);
+const char *omap_hwmod_get_main_clk(struct omap_hwmod *oh);
+
/*
* Chip variant-specific hwmod init routines - XXX should be converted
* to use initcalls once the initial boot ordering is straightened out
--
1.7.0.4
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