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path: root/drivers/mmc/host/sdhci-pci-core.c
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Diffstat (limited to 'drivers/mmc/host/sdhci-pci-core.c')
-rw-r--r--drivers/mmc/host/sdhci-pci-core.c62
1 files changed, 27 insertions, 35 deletions
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 897cfd24ca2e..72a1f1f5180a 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -156,7 +156,7 @@ static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot)
if (!gpio_is_valid(gpio))
return;
- err = gpio_request(gpio, "sd_cd");
+ err = devm_gpio_request(&slot->chip->pdev->dev, gpio, "sd_cd");
if (err < 0)
goto out;
@@ -179,7 +179,7 @@ static void sdhci_pci_add_own_cd(struct sdhci_pci_slot *slot)
return;
out_free:
- gpio_free(gpio);
+ devm_gpio_free(&slot->chip->pdev->dev, gpio);
out:
dev_warn(&slot->chip->pdev->dev, "failed to setup card detect wake up\n");
}
@@ -188,8 +188,6 @@ static void sdhci_pci_remove_own_cd(struct sdhci_pci_slot *slot)
{
if (slot->cd_irq >= 0)
free_irq(slot->cd_irq, slot);
- if (gpio_is_valid(slot->cd_gpio))
- gpio_free(slot->cd_gpio);
}
#else
@@ -356,6 +354,7 @@ static int byt_emmc_probe_slot(struct sdhci_pci_slot *slot)
{
slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR |
+ MMC_CAP_CMD_DURING_TFR |
MMC_CAP_WAIT_WHILE_BUSY;
slot->host->mmc->caps2 |= MMC_CAP2_HC_ERASE_SZ;
slot->hw_reset = sdhci_pci_int_hw_reset;
@@ -421,17 +420,30 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
/* Define Host controllers for Intel Merrifield platform */
#define INTEL_MRFLD_EMMC_0 0
#define INTEL_MRFLD_EMMC_1 1
+#define INTEL_MRFLD_SD 2
+#define INTEL_MRFLD_SDIO 3
static int intel_mrfld_mmc_probe_slot(struct sdhci_pci_slot *slot)
{
- if ((PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFLD_EMMC_0) &&
- (PCI_FUNC(slot->chip->pdev->devfn) != INTEL_MRFLD_EMMC_1))
- /* SD support is not ready yet */
+ unsigned int func = PCI_FUNC(slot->chip->pdev->devfn);
+
+ switch (func) {
+ case INTEL_MRFLD_EMMC_0:
+ case INTEL_MRFLD_EMMC_1:
+ slot->host->mmc->caps |= MMC_CAP_NONREMOVABLE |
+ MMC_CAP_8_BIT_DATA |
+ MMC_CAP_1_8V_DDR;
+ break;
+ case INTEL_MRFLD_SD:
+ slot->host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
+ break;
+ case INTEL_MRFLD_SDIO:
+ slot->host->mmc->caps |= MMC_CAP_NONREMOVABLE |
+ MMC_CAP_POWER_OFF_CARD;
+ break;
+ default:
return -ENODEV;
-
- slot->host->mmc->caps |= MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE |
- MMC_CAP_1_8V_DDR;
-
+ }
return 0;
}
@@ -1615,7 +1627,6 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
slot->chip = chip;
slot->host = host;
- slot->pci_bar = bar;
slot->rst_n_gpio = -EINVAL;
slot->cd_gpio = -EINVAL;
slot->cd_idx = -1;
@@ -1643,27 +1654,22 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
host->irq = pdev->irq;
- ret = pci_request_region(pdev, bar, mmc_hostname(host->mmc));
+ ret = pcim_iomap_regions(pdev, BIT(bar), mmc_hostname(host->mmc));
if (ret) {
dev_err(&pdev->dev, "cannot request region\n");
goto cleanup;
}
- host->ioaddr = pci_ioremap_bar(pdev, bar);
- if (!host->ioaddr) {
- dev_err(&pdev->dev, "failed to remap registers\n");
- ret = -ENOMEM;
- goto release;
- }
+ host->ioaddr = pcim_iomap_table(pdev)[bar];
if (chip->fixes && chip->fixes->probe_slot) {
ret = chip->fixes->probe_slot(slot);
if (ret)
- goto unmap;
+ goto cleanup;
}
if (gpio_is_valid(slot->rst_n_gpio)) {
- if (!gpio_request(slot->rst_n_gpio, "eMMC_reset")) {
+ if (!devm_gpio_request(&pdev->dev, slot->rst_n_gpio, "eMMC_reset")) {
gpio_direction_output(slot->rst_n_gpio, 1);
slot->host->mmc->caps |= MMC_CAP_HW_RESET;
slot->hw_reset = sdhci_pci_gpio_hw_reset;
@@ -1702,18 +1708,9 @@ static struct sdhci_pci_slot *sdhci_pci_probe_slot(
return slot;
remove:
- if (gpio_is_valid(slot->rst_n_gpio))
- gpio_free(slot->rst_n_gpio);
-
if (chip->fixes && chip->fixes->remove_slot)
chip->fixes->remove_slot(slot, 0);
-unmap:
- iounmap(host->ioaddr);
-
-release:
- pci_release_region(pdev, bar);
-
cleanup:
if (slot->data && slot->data->cleanup)
slot->data->cleanup(slot->data);
@@ -1738,17 +1735,12 @@ static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot)
sdhci_remove_host(slot->host, dead);
- if (gpio_is_valid(slot->rst_n_gpio))
- gpio_free(slot->rst_n_gpio);
-
if (slot->chip->fixes && slot->chip->fixes->remove_slot)
slot->chip->fixes->remove_slot(slot, dead);
if (slot->data && slot->data->cleanup)
slot->data->cleanup(slot->data);
- pci_release_region(slot->chip->pdev, slot->pci_bar);
-
sdhci_free_host(slot->host);
}