mmc: tmio: calculate the native hotplug condition only once
The condition, whether we have to use the native TMIO card hotplug
detection interrupt, is rather complex, it is better to only calculate it
once and store in the private data.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
diff --git a/drivers/mmc/host/tmio_mmc.h b/drivers/mmc/host/tmio_mmc.h
index f96c536..8531d8d 100644
--- a/drivers/mmc/host/tmio_mmc.h
+++ b/drivers/mmc/host/tmio_mmc.h
@@ -86,6 +86,7 @@
spinlock_t lock; /* protect host private data */
unsigned long last_req_ts;
struct mutex ios_lock; /* protect set_ios() context */
+ bool native_hotplug;
};
int tmio_mmc_host_probe(struct tmio_mmc_host **host,
diff --git a/drivers/mmc/host/tmio_mmc_pio.c b/drivers/mmc/host/tmio_mmc_pio.c
index 5444d53..49f7f21 100644
--- a/drivers/mmc/host/tmio_mmc_pio.c
+++ b/drivers/mmc/host/tmio_mmc_pio.c
@@ -916,6 +916,10 @@
else
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
+ _host->native_hotplug = !(pdata->flags & TMIO_MMC_HAS_COLD_CD ||
+ mmc->caps & MMC_CAP_NEEDS_POLL ||
+ mmc->caps & MMC_CAP_NONREMOVABLE);
+
pdata->power = false;
pm_runtime_enable(&pdev->dev);
ret = pm_runtime_resume(&pdev->dev);
@@ -934,9 +938,7 @@
* additionally ensure that in case 2) the tmio mmc hardware stays
* powered on during runtime for the card detection to work.
*/
- if (!(pdata->flags & TMIO_MMC_HAS_COLD_CD
- || mmc->caps & MMC_CAP_NEEDS_POLL
- || mmc->caps & MMC_CAP_NONREMOVABLE))
+ if (_host->native_hotplug)
pm_runtime_get_noresume(&pdev->dev);
tmio_mmc_clk_stop(_host);
@@ -996,9 +998,7 @@
* the controller, the runtime PM is suspended and pdata->power == false,
* so, our .runtime_resume() will not try to detect a card in the slot.
*/
- if (host->pdata->flags & TMIO_MMC_HAS_COLD_CD
- || host->mmc->caps & MMC_CAP_NEEDS_POLL
- || host->mmc->caps & MMC_CAP_NONREMOVABLE)
+ if (!host->native_hotplug)
pm_runtime_get_sync(&pdev->dev);
dev_pm_qos_hide_latency_limit(&pdev->dev);