summaryrefslogtreecommitdiff
path: root/drivers/i2c
diff options
context:
space:
mode:
authorWenyou Yang <wenyou.yang@atmel.com>2016-09-27 11:00:31 +0800
committerAndreas Bießmann <andreas@biessmann.org>2016-10-28 18:37:14 +0200
commit2ccc07bbdcd85878aa02cf4afb8aa5ed7ef1b446 (patch)
tree2f6d21d4b2dbe006e02651183192e22d0d5b53c3 /drivers/i2c
parentd85d92ae7b25ea8d824494a7460f27b2c72cb5ca (diff)
i2c: at91_i2c: Remove unnecessary clock calling
Due to the peripheral clock driver improvement, remove the unnecessary clock calling. Signed-off-by: Wenyou Yang <wenyou.yang@atmel.com> Reviewed-by: Heiko Schocher <hs@denx.de>
Diffstat (limited to 'drivers/i2c')
-rw-r--r--drivers/i2c/at91_i2c.c16
1 files changed, 0 insertions, 16 deletions
diff --git a/drivers/i2c/at91_i2c.c b/drivers/i2c/at91_i2c.c
index d71f75c5fa..dcd3ce8627 100644
--- a/drivers/i2c/at91_i2c.c
+++ b/drivers/i2c/at91_i2c.c
@@ -176,34 +176,18 @@ static void at91_calc_i2c_clock(struct udevice *dev, int i2c_clk)
static int at91_i2c_enable_clk(struct udevice *dev)
{
struct at91_i2c_bus *bus = dev_get_priv(dev);
- struct udevice *dev_clk;
struct clk clk;
ulong clk_rate;
- int periph;
int ret;
ret = clk_get_by_index(dev, 0, &clk);
if (ret)
return -EINVAL;
- periph = fdtdec_get_uint(gd->fdt_blob, clk.dev->of_offset, "reg", -1);
- if (periph < 0)
- return -EINVAL;
-
- dev_clk = dev_get_parent(clk.dev);
- ret = clk_request(dev_clk, &clk);
- if (ret)
- return ret;
-
- clk.id = periph;
ret = clk_enable(&clk);
if (ret)
return ret;
- ret = clk_get_by_index(dev_clk, 0, &clk);
- if (ret)
- return ret;
-
clk_rate = clk_get_rate(&clk);
if (!clk_rate)
return -ENODEV;