@@ -919,9 +919,40 @@ static struct omap_hwmod *_lookup(const char *name)
return oh;
}
+/**
+ * _init_clkdm - look up a clockdomain name, store pointer in omap_hwmod
+ * @oh: struct omap_hwmod *
+ *
+ * Convert a clockdomain name stored in a struct omap_hwmod into a
+ * clockdomain pointer, and save it into the struct omap_hwmod.
+ * return -EINVAL if clkdm_name does not exist or if the lookup failed.
+ */
+static int _init_clkdm(struct omap_hwmod *oh)
+{
+ if (cpu_is_omap24xx() || cpu_is_omap34xx())
+ return 0;
+
+ if (!oh->clkdm_name) {
+ pr_warning("omap_hwmod: %s: no clkdm_name\n", oh->name);
+ return -EINVAL;
+ }
+
+ oh->clkdm = clkdm_lookup(oh->clkdm_name);
+ if (!oh->clkdm) {
+ pr_warning("omap_hwmod: %s: could not associate to clkdm %s\n",
+ oh->name, oh->clkdm_name);
+ return -EINVAL;
+ }
+
+ pr_debug("omap_hwmod: %s: associated to clkdm %s\n",
+ oh->name, oh->clkdm_name);
+
+ return 0;
+}
/**
- * _init_clocks - clk_get() all clocks associated with this hwmod
+ * _init_clocks - clk_get() all clocks associated with this hwmod. Retrieve as
+ * well the clockdomain.
* @oh: struct omap_hwmod *
* @data: not used; pass NULL
*
@@ -941,6 +972,7 @@ static int _init_clocks(struct omap_hwmod *oh, void *data)
ret |= _init_main_clk(oh);
ret |= _init_interface_clks(oh);
ret |= _init_opt_clks(oh);
+ ret |= _init_clkdm(oh);
if (!ret)
oh->_state = _HWMOD_STATE_CLKS_INITED;
@@ -520,6 +520,7 @@ struct omap_hwmod {
struct clk *_clk;
struct omap_hwmod_opt_clk *opt_clks;
char *clkdm_name;
+ struct clockdomain *clkdm;
char *vdd_name;
struct voltagedomain *voltdm;
struct omap_hwmod_ocp_if **masters; /* connect to *_IA */
At boot time, lookup the clkdm_name to get the clkdm structure pointer for further usage. Signed-off-by: Benoit Cousson <b-cousson@ti.com> Cc: Paul Walmsley <paul@pwsan.com> Cc: Rajendra Nayak <rnayak@ti.com> --- arch/arm/mach-omap2/omap_hwmod.c | 34 +++++++++++++++++++++++++- arch/arm/plat-omap/include/plat/omap_hwmod.h | 1 + 2 files changed, 34 insertions(+), 1 deletions(-)