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authorTarun Kanti DebBarma <tarun.kanti@ti.com>2012-07-04 05:00:48 -0600
committerPaul Walmsley <paul@pwsan.com>2012-07-04 05:00:48 -0600
commitbed9d1bb4ed8c9bdaca77d31a2562c3a9dae43a7 (patch)
treea773eb2abfae2b3fadd5a777182cfcb36ea3bdb9
parent55ffe163c8b4e2aa0a083000e02ec26efd71ea63 (diff)
ARM: OMAP2+: hwmod: add omap_hwmod_get_main_clk() API
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(). Signed-off-by: Tarun Kanti DebBarma <tarun.kanti@ti.com> Cc: Benoit Cousson <b-cousson@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Tony Lindgren <tony@atomide.com> Cc: Kevin Hilman <khilman@ti.com> Cc: Rajendra Nayak <rnayak@ti.com> Cc: Santosh Shilimkar <santosh.shilimkar@ti.com> Acked-by: Benoit Cousson <b-cousson@ti.com> Signed-off-by: Paul Walmsley <paul@pwsan.com>
-rw-r--r--arch/arm/mach-omap2/omap_hwmod.c15
-rw-r--r--arch/arm/plat-omap/include/plat/omap_hwmod.h2
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 773193670ea..a89214ee469 100644
--- a/arch/arm/mach-omap2/omap_hwmod.c
+++ b/arch/arm/mach-omap2/omap_hwmod.c
@@ -3401,3 +3401,18 @@ 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 c835b7194ff..da22acd0ce7 100644
--- a/arch/arm/plat-omap/include/plat/omap_hwmod.h
+++ b/arch/arm/plat-omap/include/plat/omap_hwmod.h
@@ -629,6 +629,8 @@ 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