linux-kernel - [PATCH 1/2] mmc: sdhci: Preset value not supported in Baytrail eMMC

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Date:	Tue,  8 Jul 2014 19:11:00 +0800
From:	Maurice Petallo <mauricex.r.petallo@...el.com>
To:	Chris Ball <chris@...ntf.net>
Cc:	linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org,
	Adrian Hunter <adrian.hunter@...el.com>,
	Maurice Petallo <mauricex.r.petallo@...el.com>
Subject: [PATCH 1/2] mmc: sdhci: Preset value not supported in Baytrail eMMC

"SDHCI_QUIRK2_PRESET_VALUE_BROKEN" quirk is added to prohibit
preset value enabling for Baytrail eMMC controller.

Signed-off-by: Maurice Petallo <mauricex.r.petallo@...el.com>
Acked-by: Adrian Hunter <adrian.hunter@...el.com>
---
 drivers/mmc/host/sdhci-acpi.c | 1 +
 drivers/mmc/host/sdhci-pci.c  | 1 +
 2 files changed, 2 insertions(+)

diff --git a/drivers/mmc/host/sdhci-acpi.c b/drivers/mmc/host/sdhci-acpi.c
index 8ce3c28..840788e 100644
--- a/drivers/mmc/host/sdhci-acpi.c
+++ b/drivers/mmc/host/sdhci-acpi.c
@@ -127,6 +127,7 @@ static const struct sdhci_acpi_slot sdhci_acpi_slot_int_emmc = {
 	.caps    = MMC_CAP_8_BIT_DATA | MMC_CAP_NONREMOVABLE | MMC_CAP_HW_RESET,
 	.caps2   = MMC_CAP2_HC_ERASE_SZ,
 	.flags   = SDHCI_ACPI_RUNTIME_PM,
+	.quirks2 = SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 };
 
 static const struct sdhci_acpi_slot sdhci_acpi_slot_int_sdio = {
diff --git a/drivers/mmc/host/sdhci-pci.c b/drivers/mmc/host/sdhci-pci.c
index 52c42fc..7514cc7 100644
--- a/drivers/mmc/host/sdhci-pci.c
+++ b/drivers/mmc/host/sdhci-pci.c
@@ -279,6 +279,7 @@ static int byt_sdio_probe_slot(struct sdhci_pci_slot *slot)
 static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
 	.allow_runtime_pm = true,
 	.probe_slot	= byt_emmc_probe_slot,
+	.quirks2	= SDHCI_QUIRK2_PRESET_VALUE_BROKEN,
 };
 
 static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
-- 
1.8.1.4

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