diff options
Diffstat (limited to 'drivers/clk/clk-si5351.c')
| -rw-r--r-- | drivers/clk/clk-si5351.c | 43 |
1 files changed, 26 insertions, 17 deletions
diff --git a/drivers/clk/clk-si5351.c b/drivers/clk/clk-si5351.c index 4ce83c5265b8..a4c92c5ef3ff 100644 --- a/drivers/clk/clk-si5351.c +++ b/drivers/clk/clk-si5351.c @@ -1175,8 +1175,8 @@ static int si5351_dt_parse(struct i2c_client *client, { struct device_node *child, *np = client->dev.of_node; struct si5351_platform_data *pdata; - struct property *prop; - const __be32 *p; + u32 array[4]; + int sz, i; int num = 0; u32 val; @@ -1191,20 +1191,24 @@ static int si5351_dt_parse(struct i2c_client *client, * property silabs,pll-source : <num src>, [<..>] * allow to selectively set pll source */ - of_property_for_each_u32(np, "silabs,pll-source", prop, p, num) { + sz = of_property_read_variable_u32_array(np, "silabs,pll-source", array, 2, 4); + sz = (sz == -EINVAL) ? 0 : sz; /* Missing property is OK */ + if (sz < 0) + return dev_err_probe(&client->dev, sz, "invalid pll-source\n"); + if (sz % 2) + return dev_err_probe(&client->dev, -EINVAL, + "missing pll-source for pll %d\n", array[sz - 1]); + + for (i = 0; i < sz; i += 2) { + num = array[i]; + val = array[i + 1]; + if (num >= 2) { dev_err(&client->dev, "invalid pll %d on pll-source prop\n", num); return -EINVAL; } - p = of_prop_next_u32(prop, p, &val); - if (!p) { - dev_err(&client->dev, - "missing pll-source for pll %d\n", num); - return -EINVAL; - } - switch (val) { case 0: pdata->pll_src[num] = SI5351_PLL_SRC_XTAL; @@ -1232,19 +1236,24 @@ static int si5351_dt_parse(struct i2c_client *client, pdata->pll_reset[0] = true; pdata->pll_reset[1] = true; - of_property_for_each_u32(np, "silabs,pll-reset-mode", prop, p, num) { + sz = of_property_read_variable_u32_array(np, "silabs,pll-reset-mode", array, 2, 4); + sz = (sz == -EINVAL) ? 0 : sz; /* Missing property is OK */ + if (sz < 0) + return dev_err_probe(&client->dev, sz, "invalid pll-reset-mode\n"); + if (sz % 2) + return dev_err_probe(&client->dev, -EINVAL, + "missing pll-reset-mode for pll %d\n", array[sz - 1]); + + for (i = 0; i < sz; i += 2) { + num = array[i]; + val = array[i + 1]; + if (num >= 2) { dev_err(&client->dev, "invalid pll %d on pll-reset-mode prop\n", num); return -EINVAL; } - p = of_prop_next_u32(prop, p, &val); - if (!p) { - dev_err(&client->dev, - "missing pll-reset-mode for pll %d\n", num); - return -EINVAL; - } switch (val) { case 0: |