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i2c: at91: fixup return type of wait_for_completion_timeout

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Return type of wait_for_completion_timeout is unsigned long not int. This
patch adds a timeout variable of appropriate type and fixes up the assignment.

Signed-off-by: Nicholas Mc Guire <hofrat@osadl.org>
Acked-by: Ludovic Desroches <ludovic.desroches@atmel.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
This commit is contained in:
Nicholas Mc Guire 2015-02-08 11:12:07 -05:00 committed by Wolfram Sang
parent 2abaccb356
commit 1c42aca54f
1 changed files with 4 additions and 3 deletions
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7
drivers/i2c/busses/i2c-at91.c
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@ -381,6 +381,7 @@ static irqreturn_t atmel_twi_interrupt(int irq, void *dev_id)
static int at91_do_twi_transfer(struct at91_twi_dev *dev)
{
int ret;
unsigned long time_left;
bool has_unre_flag = dev->pdata->has_unre_flag;
dev_dbg(dev->dev, "transfer: %s %d bytes.\n",
@ -436,9 +437,9 @@ static int at91_do_twi_transfer(struct at91_twi_dev *dev)
}
}
ret = wait_for_completion_timeout(&dev->cmd_complete,
dev->adapter.timeout);
if (ret == 0) {
time_left = wait_for_completion_timeout(&dev->cmd_complete,
dev->adapter.timeout);
if (time_left == 0) {
dev_err(dev->dev, "controller timed out\n");
at91_init_twi_bus(dev);
ret = -ETIMEDOUT;