Re: [PATCH 2/2] clk: si5351: Apply rate when clock-frequency is definedin devicetree.

From: Sebastian Hesselbarth
Date: Sun Apr 28 2013 - 04:59:49 EST


On 04/23/2013 08:22 AM, Marek Belisko wrote:
clock-frequency property from devicetree was read but never used. Apply
defined rate when clock is registered.

Signed-off-by: Marek Belisko<marek.belisko@xxxxxxxxxxxxxxxxxxx>
---
drivers/clk/clk-si5351.c | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c
index cf39e53..8323c31 100644
--- a/drivers/clk/clk-si5351.c
+++ b/drivers/clk/clk-si5351.c
@@ -1477,6 +1477,16 @@ static int si5351_i2c_probe(struct i2c_client *client,
return -EINVAL;
}
drvdata->onecell.clks[n] = clk;
+
+ /* set rate when defined in devicetree */

nit: We also set the rate when it is defined in platform_data
(which is disabled because there is still some CONFIG_OF dependency).

Anyway, the above comment and patch subject should refer to platform
data instead.

If you can send an updated version of this patch you get my
Acked-by: Sebastian Hesselbarth <sebastian.hesselbarth@xxxxxxxxx>

+ if (pdata->clkout[n].rate != 0) {
+ int ret;
+ ret = clk_set_rate(clk, pdata->clkout[n].rate);
+ if (ret != 0) {
+ dev_err(&client->dev, "Cannot set rate : %d\n",
+ ret);
+ }
+ }
}

ret = of_clk_add_provider(client->dev.of_node, of_clk_src_onecell_get,

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/