Added kerneldoc on the new non-trivial function in this patch, as is local
policy. Updated patch follows.
- Paul
From: Rajendra Nayak <rnayak@xxxxxx>
Date: Fri, 1 Jun 2012 14:02:49 +0530
Subject: [PATCH] ARM: OMAP: clock: Define a function to enable clocks at init
Platform code can use omap2_clk_enable_init_clocks() to enable a
list of clocks that are needed to be enabled at init.
Signed-off-by: Rajendra Nayak <rnayak@xxxxxx>
Signed-off-by: Mike Turquette <mturquette@xxxxxx>
[paul@xxxxxxxxx: added kerneldoc to non-trivial new function]
Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
---
arch/arm/mach-omap2/clock.c | 21 +++++++++++++++++++++
arch/arm/mach-omap2/clock.h | 1 +
2 files changed, 22 insertions(+)
diff --git a/arch/arm/mach-omap2/clock.c b/arch/arm/mach-omap2/clock.c
index c64203e..744e6eb 100644
--- a/arch/arm/mach-omap2/clock.c
+++ b/arch/arm/mach-omap2/clock.c
@@ -580,6 +580,27 @@ int omap2_clk_disable_autoidle_all(void)
return 0;
}
+/**
+ * omap2_clk_enable_init_clocks - prepare & enable a list of clocks
+ * @clk_names: ptr to an array of strings of clock names to enable
+ * @num_clocks: number of clock names in @clk_names
+ *
+ * Prepare and enable a list of clocks, named by @clk_names. No
+ * return value. XXX Deprecated; only needed until these clocks are
+ * properly claimed and enabled by the drivers or core code that uses
+ * them. XXX What code disables & calls clk_put on these clocks?
+ */
+void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks)
+{
+ struct clk *init_clk;
+ int i;
+
+ for (i = 0; i < num_clocks; i++) {
+ init_clk = clk_get(NULL, clk_names[i]);
+ clk_prepare_enable(init_clk);
+ }
+}
+
const struct clk_hw_omap_ops clkhwops_wait = {
.find_idlest = omap2_clk_dflt_find_idlest,
.find_companion = omap2_clk_dflt_find_companion,
diff --git a/arch/arm/mach-omap2/clock.h b/arch/arm/mach-omap2/clock.h
index 20a3be7..e669fc8 100644
--- a/arch/arm/mach-omap2/clock.h
+++ b/arch/arm/mach-omap2/clock.h
@@ -538,6 +538,7 @@ void omap2_clk_dflt_find_idlest(struct clk_hw_omap *clk,
void omap2_init_clk_hw_omap_clocks(struct clk *clk);
int omap2_clk_enable_autoidle_all(void);
int omap2_clk_disable_autoidle_all(void);
+void omap2_clk_enable_init_clocks(const char **clk_names, u8 num_clocks);
#else
int omap2_dflt_clk_enable(struct clk *clk);
void omap2_dflt_clk_disable(struct clk *clk);
--
1.7.10.4
--
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