diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/ti-sysc.c | 36 |
1 files changed, 23 insertions, 13 deletions
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c index 25c0e4ae9f1d..e12d1580f21d 100644 --- a/drivers/bus/ti-sysc.c +++ b/drivers/bus/ti-sysc.c @@ -811,29 +811,38 @@ static int sysc_init_syss_mask(struct sysc *ddata) } /* - * Many child device drivers need to have fck available to get the clock - * rate for device internal configuration. + * Many child device drivers need to have fck and opt clocks available + * to get the clock rate for device internal configuration etc. */ -static int sysc_child_add_fck(struct sysc *ddata, - struct device *child) +static int sysc_child_add_named_clock(struct sysc *ddata, + struct device *child, + const char *name) { - struct clk *fck; + struct clk *clk; struct clk_lookup *l; - const char *name = clock_names[SYSC_FCK]; + int error = 0; - if (IS_ERR_OR_NULL(ddata->clocks[SYSC_FCK])) + if (!name) return 0; - fck = clk_get(child, name); - if (!IS_ERR(fck)) { - clk_put(fck); + clk = clk_get(child, name); + if (!IS_ERR(clk)) { + clk_put(clk); return -EEXIST; } - l = clkdev_create(ddata->clocks[SYSC_FCK], name, dev_name(child)); + clk = clk_get(ddata->dev, name); + if (IS_ERR(clk)) + return -ENODEV; + + l = clkdev_create(clk, name, dev_name(child)); + if (!l) + error = -ENOMEM; - return l ? 0 : -ENODEV; + clk_put(clk); + + return error; } static struct device_type sysc_device_type = { @@ -983,7 +992,8 @@ static int sysc_notifier_call(struct notifier_block *nb, switch (event) { case BUS_NOTIFY_ADD_DEVICE: - error = sysc_child_add_fck(ddata, dev); + error = sysc_child_add_named_clock(ddata, dev, + clock_names[SYSC_FCK]); if (error && error != -EEXIST) dev_warn(ddata->dev, "could not add %s fck: %i\n", dev_name(dev), error); |