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authorNoralf Trønnes <noralf@tronnes.org>2016-10-03 23:06:13 +0300
committerWolfram Sang <wsa@the-dreams.de>2016-11-07 03:48:32 +0300
commite13e19e12f66401ce1e21ab491715835852babe7 (patch)
tree2db60b6cc1cf062b2dd30c493aa70c248ef8b14d /drivers/i2c/busses/i2c-bcm2835.c
parentee05fea21b017b81a9477569b6a0c2d8e2946ac9 (diff)
downloadlinux-e13e19e12f66401ce1e21ab491715835852babe7.tar.xz
i2c: bcm2835: Support i2c-dev ioctl I2C_TIMEOUT
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> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-bcm2835.c')
-rw-r--r--drivers/i2c/busses/i2c-bcm2835.c4
1 files changed, 1 insertions, 3 deletions
diff --git a/drivers/i2c/busses/i2c-bcm2835.c b/drivers/i2c/busses/i2c-bcm2835.c
index 241e08ae7c27..d2085dd3742e 100644
--- 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_adapter *adap, struct i2c_msg msgs[],
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);