On 10.01.2013 21:22, Tony Lindgren wrote:
> * Andreas Fenkart <andreas.fenk...@streamunlimited.com> [121220 14:15]:
>> Without functional clock the omap_hsmmc module can't forward
>> SDIO IRQs to the system. This patch reconfigures dat1 line
>> as a gpio while the fclk is off. And uses SDIO IRQ detection of
>> the module, while fclk is present.
>
> Looks pretty good to me, however I could not figure out what
> to apply this on for testing. It fails to apply at least against
> current linux next, can you please update against that?
>
>> +static void omap_hsmmc_enable_sdio_irq(struct mmc_host *mmc, int enable)
>> +{
>> + struct omap_hsmmc_host *host = mmc_priv(mmc);
>> + u32 irq_mask;
>> + unsigned long flags;
>> +
>> + spin_lock_irqsave(&host->irq_lock, flags);
>> +
>> + host->sdio_irq_en = (enable != 0) ? true : false;
>> +
>> + if (host->active_pinmux) {
>> + irq_mask = OMAP_HSMMC_READ(host->base, ISE);
>> + if (enable)
>> + irq_mask |= CIRQ_ENABLE;
>> + else
>> + irq_mask &= ~CIRQ_ENABLE;
>> + OMAP_HSMMC_WRITE(host->base, IE, irq_mask);
>> +
>> + if (!host->req_in_progress)
>> + OMAP_HSMMC_WRITE(host->base, ISE, irq_mask);
>> +
>> +#if 0
>> + OMAP_HSMMC_READ(host->base, IE); /* flush posted write */
>> +#endif
>
> Maybe just replace #if 0 with just a comment in case it turns out to be
> needed for some cases?
Is there any update on this series? Andreas, did you do more tests?
Thanks and best regards,
Daniel
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