Minor nit...
On 04/28/2014 02:40 AM, Andreas Fenkart wrote:
[..]
> /* Do not initialize card-specific things if the power is off */
> if (host->power_mode == MMC_POWER_OFF)
> @@ -1117,8 +1138,12 @@ static irqreturn_t omap_hsmmc_irq(int irq, void
> *dev_id)
> int status;
>
> status = OMAP_HSMMC_READ(host->base, STAT);
> - while (status & INT_EN_MASK && host->req_in_progress) {
> - omap_hsmmc_do_irq(host, status);
> + while (status & (INT_EN_MASK | CIRQ_EN)) {
> + if (host->req_in_progress)
> + omap_hsmmc_do_irq(host, status);
> +
> + if (status & CIRQ_EN)
> + mmc_signal_sdio_irq(host->mmc);
>
> /* Flush posted write */
> status = OMAP_HSMMC_READ(host->base, STAT);
> @@ -1127,6 +1152,23 @@ static irqreturn_t omap_hsmmc_irq(int irq, void
> *dev_id)
> return IRQ_HANDLED;
> }
>
> +static irqreturn_t omap_hsmmc_wake_irq(int irq, void *dev_id)
> +{
> + struct omap_hsmmc_host *host = dev_id;
> + unsigned long flags;
> +
> + /* cirq is level triggered, disable to avoid infinite loop */
> + spin_lock_irqsave(&host->irq_lock, flags);
Do you need to save restore flags here? IRQ is already disabled since
you're in hard IRQ context so spin_lock() seems sufficient.
> + if (host->flags & HSMMC_WAKE_IRQ_ENABLED) {
> + disable_irq_nosync(host->wake_irq);
> + host->flags &= ~HSMMC_WAKE_IRQ_ENABLED;
> + }
> + spin_unlock_irqrestore(&host->irq_lock, flags);
spin_unlock() seems sufficient.
regards,
-Joel
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