mmc: sdhci-acpi: Disable LED control for Intel BYT-based controllers

Intel BYT-based controllers do not have a LED signal line. Nevertheless
sdhci_led_control() takes more than twice as long as sdhci_send_command(),
even though it does nothing.  Use the new SDHCI_QUIRK_NO_LED quirk to
disable LED control for Intel BYT-based controllers.

Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 057e24f..6669e54 100644 (file)
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -437,7 +437,8 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
                   MMC_CAP_HW_RESET | MMC_CAP_1_8V_DDR |
                   MMC_CAP_CMD_DURING_TFR | MMC_CAP_WAIT_WHILE_BUSY,
        .flags   = SDHCI_ACPI_RUNTIME_PM,
-       .quirks  = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
+       .quirks  = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
+                  SDHCI_QUIRK_NO_LED,
        .quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN |
                   SDHCI_QUIRK2_STOP_WITH_TC |
                   SDHCI_QUIRK2_CAPS_BIT63_FOR_HS400,
@@ -448,6 +449,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
 
 static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
        .quirks  = SDHCI_QUIRK_BROKEN_CARD_DETECTION |
+                  SDHCI_QUIRK_NO_LED |
                   SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
        .quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON,
        .caps    = MMC_CAP_NONREMOVABLE | MMC_CAP_POWER_OFF_CARD |
@@ -462,7 +464,8 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
 static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sd = {
        .flags   = SDHCI_ACPI_SD_CD | SDHCI_ACPI_SD_CD_OVERRIDE_LEVEL |
                   SDHCI_ACPI_RUNTIME_PM,
-       .quirks  = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC,
+       .quirks  = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
+                  SDHCI_QUIRK_NO_LED,
        .quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
                   SDHCI_QUIRK2_STOP_WITH_TC,
        .caps    = MMC_CAP_WAIT_WHILE_BUSY | MMC_CAP_AGGRESSIVE_PM,