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mmc: core: Rework wp-gpio handling

Bladeren bron 
Use MMC_CAP2_RO_ACTIVE_HIGH flag as indicator if GPIO line is to be
inverted compared to DT/platform-specified polarity. The flag is not used
after init in GPIO mode anyway. No functional changes intended.

Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Link: https://lore.kernel.org/r/a60f563f11bbff821da2fa2949ca82922b144860.1576031637.git.mirq-linux@rere.qmqm.pl
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Michał Mirosław
2019-12-11 03:40:55 +01:00
gecommit door Ulf Hansson
bovenliggende d3a5bcb4a1
commit 9073d10b09
5 gewijzigde bestanden met toevoegingen van 13 en 16 verwijderingen
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8
drivers/mmc/host/pxamci.c
Bestand weergeven

@@ -740,16 +740,16 @@ static int pxamci_probe(struct platform_device *pdev)
goto out;
}
if (!host->pdata->gpio_card_ro_invert)
mmc->caps2 |= MMC_CAP2_RO_ACTIVE_HIGH;
ret = mmc_gpiod_request_ro(mmc, "wp", 0, 0, NULL);
if (ret && ret != -ENOENT) {
dev_err(dev, "Failed requesting gpio_ro\n");
goto out;
}
if (!ret) {
if (!ret)
host->use_ro_gpio = true;
mmc->caps2 |= host->pdata->gpio_card_ro_invert ?
0 : MMC_CAP2_RO_ACTIVE_HIGH;
}
if (host->pdata->init)
host->pdata->init(dev, pxamci_detect_irq, mmc);