After the recent clkdev conversion, struct clks are no longer
locatable located by the struct clk name via clk_get(). Core code
separate from the platform_device system needs to do this. This patch
adds an omap_clk_get_by_name() function for this purpose.
Signed-off-by: Paul Walmsley <paul@xxxxxxxxx>
---
arch/arm/plat-omap/clock.c | 27 +++++++++++++++++++++++++++
arch/arm/plat-omap/include/mach/clock.h | 1 +
2 files changed, 28 insertions(+), 0 deletions(-)
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index e8c327a..5848e34 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -333,6 +333,33 @@ void clk_enable_init_clocks(void)
}
EXPORT_SYMBOL(clk_enable_init_clocks);
+/**
+ * omap_clk_get_by_name - locate OMAP struct clk by its name
+ * @name: name of the struct clk to locate
+ *
+ * Locate an OMAP struct clk by its name. Assumes that struct clk
+ * names are unique. Returns NULL if not found or a pointer to the
+ * struct clk if found.
+ */
+struct clk *omap_clk_get_by_name(const char *name)
+{
+ struct clk *c;
+ struct clk *ret = NULL;
+
+ mutex_lock(&clocks_mutex);
+
+ list_for_each_entry(c, &clocks, node) {
+ if (!strcmp(c->name, name)) {
+ ret = c;
+ break;
+ }
+ }
+
+ mutex_unlock(&clocks_mutex);
+
+ return ret;
+}
+
/*
* Low level helpers
*/
diff --git a/arch/arm/plat-omap/include/mach/clock.h b/arch/arm/plat-omap/include/mach/clock.h
index 4b8b0d6..451c97f 100644
--- a/arch/arm/plat-omap/include/mach/clock.h
+++ b/arch/arm/plat-omap/include/mach/clock.h
@@ -134,6 +134,7 @@ extern void clk_enable_init_clocks(void);
#ifdef CONFIG_CPU_FREQ
extern void clk_init_cpufreq_table(struct cpufreq_frequency_table **table);
#endif
+extern struct clk *omap_clk_get_by_name(const char *name);
extern const struct clkops clkops_null;
--
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