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

From: Russell King - ARM Linux
Date: Sat Jan 17 2015 - 17:40:55 EST


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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