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[U-Boot,v3,4/7] i2c: at91_i2c: Remove unnecessary clock calling

Message ID 1474945234-30540-5-git-send-email-wenyou.yang@atmel.com
State Awaiting Upstream
Delegated to: Andreas Bießmann
Headers show

Commit Message

Wenyou Yang Sept. 27, 2016, 3 a.m. UTC 
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>
---

Changes in v3: None
Changes in v2: None

 drivers/i2c/at91_i2c.c | 16 ----------------
 1 file changed, 16 deletions(-)

Comments

Andreas Bießmann Oct. 28, 2016, 4:49 p.m. UTC | #1 
Dear Wenyou Yang,

Wenyou Yang <wenyou.yang@atmel.com> writes:
>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>
>---
>
>Changes in v3: None
>Changes in v2: None
>
> drivers/i2c/at91_i2c.c | 16 ----------------
> 1 file changed, 16 deletions(-)

applied to u-boot-atmel/master, thanks!

Best regards,
Andreas Bießmann
diff mbox

Patch

diff --git a/drivers/i2c/at91_i2c.c b/drivers/i2c/at91_i2c.c
index d71f75c..dcd3ce8 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;