[PATCH v4 2/3] i2c: iproc: Add Broadcom iProc I2C Driver

[Russell King - ARM Linux]

On Sat, Jan 17, 2015 at 01:26:41PM -0800, Ray Jui wrote:
> 	time_left = wait_for_completion_timeout(&iproc_i2c->done, time_left);
> 
> 	/* disable all interrupts */
> 	writel(0, iproc_i2c->base + IE_OFFSET);
> 
> 	if (!time_left && !atomic_read(&iproc_i2c->transfer_is_successful)) {

Why are you using atomic_read() here?

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