Hi Marek,
> @@ -178,6 +179,7 @@ struct exynos5_i2c {
> unsigned int msg_ptr;
>
> unsigned int irq;
> + unsigned int polled;
Is this supposed to be called polling?
> void __iomem *regs;
> struct clk *clk; /* operating clock */
> @@ -711,6 +713,24 @@ static void exynos5_i2c_message_start(struct exynos5_i2c *i2c, int stop)
> spin_unlock_irqrestore(&i2c->lock, flags);
> }
>
> +static unsigned long exynos5_i2c_polled_irqs_timeout(struct exynos5_i2c *i2c,
> + unsigned long timeout_ms)
> +{
> + ktime_t start, now;
> +
> + start = now = ktime_get();
> + while (ktime_ms_delta(now, start) < timeout_ms &&
> + !((i2c->trans_done && (i2c->msg->len == i2c->msg_ptr)) ||
> + (i2c->state < 0))) {
> + while (readl(i2c->regs + HSI2C_INT_ENABLE) &
> + readl(i2c->regs + HSI2C_INT_STATUS))
> + exynos5_i2c_irq(i2c->irq, i2c);
> + usleep_range(100, 200);
> + now = ktime_get();
> + }
> + return ktime_ms_delta(now, start) < timeout_ms;
what are you returning here?
Andi
