提交 6ae76997 编写于 作者: B Benoit Cousson 提交者: Paul Walmsley

OMAP2+: hwmod: Init clkdm field at boot time

At boot time, lookup the clkdm_name to get the clkdm
structure pointer for further usage.
Signed-off-by: NBenoit Cousson <b-cousson@ti.com>
Cc: Paul Walmsley <paul@pwsan.com>
Cc: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: NPaul Walmsley <paul@pwsan.com>
上级 a5322c6f
......@@ -990,9 +990,40 @@ 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
*
......@@ -1012,6 +1043,7 @@ 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;
......
......@@ -516,6 +516,7 @@ 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 */
......
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