mirror of https://github.com/hak5/openwrt-owl.git
54 lines
1.3 KiB
Diff
Executable File
54 lines
1.3 KiB
Diff
Executable File
From cf1b789e1a6873d9680156fac9f675a0f1cdd17b Mon Sep 17 00:00:00 2001
|
|
From: Phil Elwell <phil@raspberrypi.org>
|
|
Date: Thu, 5 Feb 2015 16:01:44 +0000
|
|
Subject: [PATCH 107/114] i2c_bcm2708: Fix clock reference counting
|
|
|
|
---
|
|
drivers/i2c/busses/i2c-bcm2708.c | 12 ++++++++++--
|
|
1 file changed, 10 insertions(+), 2 deletions(-)
|
|
|
|
diff --git a/drivers/i2c/busses/i2c-bcm2708.c b/drivers/i2c/busses/i2c-bcm2708.c
|
|
index 526129b..fda59ba 100644
|
|
--- a/drivers/i2c/busses/i2c-bcm2708.c
|
|
+++ b/drivers/i2c/busses/i2c-bcm2708.c
|
|
@@ -337,11 +337,17 @@ static int bcm2708_i2c_probe(struct platform_device *pdev)
|
|
return PTR_ERR(clk);
|
|
}
|
|
|
|
+ err = clk_prepare_enable(clk);
|
|
+ if (err) {
|
|
+ dev_err(&pdev->dev, "could not enable clk: %d\n", err);
|
|
+ goto out_clk_put;
|
|
+ }
|
|
+
|
|
bcm2708_i2c_init_pinmode(pdev->id);
|
|
|
|
bi = kzalloc(sizeof(*bi), GFP_KERNEL);
|
|
if (!bi)
|
|
- goto out_clk_put;
|
|
+ goto out_clk_disable;
|
|
|
|
platform_set_drvdata(pdev, bi);
|
|
|
|
@@ -412,6 +418,8 @@ out_iounmap:
|
|
iounmap(bi->base);
|
|
out_free_bi:
|
|
kfree(bi);
|
|
+out_clk_disable:
|
|
+ clk_disable_unprepare(clk);
|
|
out_clk_put:
|
|
clk_put(clk);
|
|
return err;
|
|
@@ -426,7 +434,7 @@ static int bcm2708_i2c_remove(struct platform_device *pdev)
|
|
i2c_del_adapter(&bi->adapter);
|
|
free_irq(bi->irq, bi);
|
|
iounmap(bi->base);
|
|
- clk_disable(bi->clk);
|
|
+ clk_disable_unprepare(bi->clk);
|
|
clk_put(bi->clk);
|
|
kfree(bi);
|
|
|
|
--
|
|
1.8.3.2
|
|
|