mmc: sdhci: implement the .card_event() method
Extracting a part of the SDHCI card tasklet into a .card_event() implementation allows SDHCI hosts to use generic card-detection services, e.g. the GPIO slot function. Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de> Reviewed-by: Shawn Guo <shawn.guo@linaro.org> Signed-off-by: Chris Ball <cjb@laptop.org>
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451c89578e
Коммит
71e69211ea
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@ -1994,30 +1994,11 @@ static void sdhci_enable_preset_value(struct mmc_host *mmc, bool enable)
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sdhci_runtime_pm_put(host);
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}
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static const struct mmc_host_ops sdhci_ops = {
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.request = sdhci_request,
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.set_ios = sdhci_set_ios,
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.get_ro = sdhci_get_ro,
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.hw_reset = sdhci_hw_reset,
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.enable_sdio_irq = sdhci_enable_sdio_irq,
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.start_signal_voltage_switch = sdhci_start_signal_voltage_switch,
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.execute_tuning = sdhci_execute_tuning,
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.enable_preset_value = sdhci_enable_preset_value,
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};
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/*****************************************************************************\
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* *
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* Tasklets *
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* *
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\*****************************************************************************/
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static void sdhci_tasklet_card(unsigned long param)
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static void sdhci_card_event(struct mmc_host *mmc)
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{
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struct sdhci_host *host;
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struct sdhci_host *host = mmc_priv(mmc);
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unsigned long flags;
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host = (struct sdhci_host*)param;
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spin_lock_irqsave(&host->lock, flags);
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/* Check host->mrq first in case we are runtime suspended */
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@ -2036,6 +2017,31 @@ static void sdhci_tasklet_card(unsigned long param)
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}
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spin_unlock_irqrestore(&host->lock, flags);
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}
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static const struct mmc_host_ops sdhci_ops = {
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.request = sdhci_request,
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.set_ios = sdhci_set_ios,
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.get_ro = sdhci_get_ro,
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.hw_reset = sdhci_hw_reset,
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.enable_sdio_irq = sdhci_enable_sdio_irq,
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.start_signal_voltage_switch = sdhci_start_signal_voltage_switch,
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.execute_tuning = sdhci_execute_tuning,
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.enable_preset_value = sdhci_enable_preset_value,
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.card_event = sdhci_card_event,
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};
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/*****************************************************************************\
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* *
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* Tasklets *
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* *
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\*****************************************************************************/
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static void sdhci_tasklet_card(unsigned long param)
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{
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struct sdhci_host *host = (struct sdhci_host*)param;
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sdhci_card_event(host->mmc);
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mmc_detect_change(host->mmc, msecs_to_jiffies(200));
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}
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