diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.c | 20 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.h | 4 |
2 files changed, 23 insertions, 1 deletions
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c index 31181d8dc561..4ca6ae6a175d 100644 --- a/drivers/mmc/host/sdhci-pci.c +++ b/drivers/mmc/host/sdhci-pci.c @@ -24,6 +24,7 @@ #include <linux/io.h> #include <linux/gpio.h> #include <linux/pm_runtime.h> +#include <linux/mmc/slot-gpio.h> #include <linux/mmc/sdhci-pci-data.h> #include "sdhci.h" @@ -280,6 +281,14 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot) return 0; } +static int byt_sd_probe_slot(struct sdhci_pci_slot *slot) +{ + slot->cd_con_id = NULL; + slot->cd_idx = 0; + slot->cd_override_level = true; + return 0; +} + static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = { .allow_runtime_pm = true, .probe_slot = byt_emmc_probe_slot, @@ -300,6 +309,7 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_sd = { SDHCI_QUIRK2_STOP_WITH_TC, .allow_runtime_pm = true, .own_cd_for_runtime_pm = true, + .probe_slot = byt_sd_probe_slot, }; /* Define Host controllers for Intel Merrifield platform */ @@ -1354,6 +1364,7 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot( slot->pci_bar = bar; slot->rst_n_gpio = -EINVAL; slot->cd_gpio = -EINVAL; + slot->cd_idx = -1; /* Retrieve platform data if there is any */ if (*sdhci_pci_get_data) @@ -1412,6 +1423,13 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot( host->mmc->slotno = slotno; host->mmc->caps2 |= MMC_CAP2_NO_PRESCAN_POWERUP; + if (slot->cd_idx >= 0 && + mmc_gpiod_request_cd(host->mmc, slot->cd_con_id, slot->cd_idx, + slot->cd_override_level, 0, NULL)) { + dev_warn(&pdev->dev, "failed to setup card detect gpio\n"); + slot->cd_idx = -1; + } + ret = sdhci_add_host(host); if (ret) goto remove; @@ -1424,7 +1442,7 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot( * Note sdhci_pci_add_own_cd() sets slot->cd_gpio to -EINVAL on failure. */ if (chip->fixes && chip->fixes->own_cd_for_runtime_pm && - !gpio_is_valid(slot->cd_gpio)) + !gpio_is_valid(slot->cd_gpio) && slot->cd_idx < 0) chip->allow_runtime_pm = false; return slot; diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index 9c1909b2a3ad..d57c3d169914 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -64,6 +64,10 @@ struct sdhci_pci_slot { int cd_gpio; int cd_irq; + char *cd_con_id; + int cd_idx; + bool cd_override_level; + void (*hw_reset)(struct sdhci_host *host); }; |