mirror of https://github.com/hak5/openwrt.git
38 lines
1.2 KiB
Diff
38 lines
1.2 KiB
Diff
From 0c2744e901150b27a60bded1acb058ce26709d5a Mon Sep 17 00:00:00 2001
|
|
From: =?UTF-8?q?Noralf=20Tr=C3=B8nnes?= <noralf@tronnes.org>
|
|
Date: Fri, 23 Sep 2016 04:57:17 +0200
|
|
Subject: [PATCH] i2c: bcm2835: Support i2c-dev ioctl I2C_TIMEOUT
|
|
MIME-Version: 1.0
|
|
Content-Type: text/plain; charset=UTF-8
|
|
Content-Transfer-Encoding: 8bit
|
|
|
|
Use i2c_adapter->timeout for the completion timeout value. The core
|
|
default is 1 second.
|
|
|
|
Signed-off-by: Noralf Trønnes <noralf@tronnes.org>
|
|
Reviewed-by: Eric Anholt <eric@anholt.net>
|
|
---
|
|
drivers/i2c/busses/i2c-bcm2835.c | 4 +---
|
|
1 file changed, 1 insertion(+), 3 deletions(-)
|
|
|
|
--- a/drivers/i2c/busses/i2c-bcm2835.c
|
|
+++ b/drivers/i2c/busses/i2c-bcm2835.c
|
|
@@ -53,8 +53,6 @@
|
|
#define BCM2835_I2C_CDIV_MIN 0x0002
|
|
#define BCM2835_I2C_CDIV_MAX 0xFFFE
|
|
|
|
-#define BCM2835_I2C_TIMEOUT (msecs_to_jiffies(1000))
|
|
-
|
|
struct bcm2835_i2c_dev {
|
|
struct device *dev;
|
|
void __iomem *regs;
|
|
@@ -242,7 +240,7 @@ static int bcm2835_i2c_xfer(struct i2c_a
|
|
bcm2835_i2c_start_transfer(i2c_dev);
|
|
|
|
time_left = wait_for_completion_timeout(&i2c_dev->completion,
|
|
- BCM2835_I2C_TIMEOUT);
|
|
+ adap->timeout);
|
|
if (!time_left) {
|
|
bcm2835_i2c_writel(i2c_dev, BCM2835_I2C_C,
|
|
BCM2835_I2C_C_CLEAR);
|