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-rw-r--r--drivers/mmc/core/queue.c1
-rw-r--r--drivers/mmc/host/Kconfig1
-rw-r--r--drivers/mmc/host/sdhci-of-arasan.c5
-rw-r--r--drivers/mmc/host/sdhci-pci-core.c96
-rw-r--r--drivers/mmc/host/sdhci-tegra.c1
5 files changed, 103 insertions, 1 deletions
diff --git a/drivers/mmc/core/queue.c b/drivers/mmc/core/queue.c
index 15a45ec6518d..b07452e83edb 100644
--- a/drivers/mmc/core/queue.c
+++ b/drivers/mmc/core/queue.c
@@ -473,6 +473,7 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
blk_mq_unquiesce_queue(q);
blk_cleanup_queue(q);
+ blk_mq_free_tag_set(&mq->tag_set);
/*
* A request can be completed before the next request, potentially
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
index a44ec8bb5418..260be2c3c61d 100644
--- a/drivers/mmc/host/Kconfig
+++ b/drivers/mmc/host/Kconfig
@@ -92,6 +92,7 @@ config MMC_SDHCI_PCI
tristate "SDHCI support on PCI bus"
depends on MMC_SDHCI && PCI
select MMC_CQHCI
+ select IOSF_MBI if X86
help
This selects the PCI Secure Digital Host Controller Interface.
Most controllers found today are PCI devices.
diff --git a/drivers/mmc/host/sdhci-of-arasan.c b/drivers/mmc/host/sdhci-of-arasan.c
index c9e3e050ccc8..88dc3f00a5be 100644
--- a/drivers/mmc/host/sdhci-of-arasan.c
+++ b/drivers/mmc/host/sdhci-of-arasan.c
@@ -832,7 +832,10 @@ static int sdhci_arasan_probe(struct platform_device *pdev)
host->mmc_host_ops.start_signal_voltage_switch =
sdhci_arasan_voltage_switch;
sdhci_arasan->has_cqe = true;
- host->mmc->caps2 |= MMC_CAP2_CQE | MMC_CAP2_CQE_DCMD;
+ host->mmc->caps2 |= MMC_CAP2_CQE;
+
+ if (!of_property_read_bool(np, "disable-cqe-dcmd"))
+ host->mmc->caps2 |= MMC_CAP2_CQE_DCMD;
}
ret = sdhci_arasan_add_host(sdhci_arasan);
diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c
index 2a6eba74b94e..ac9a4ee03c66 100644
--- a/drivers/mmc/host/sdhci-pci-core.c
+++ b/drivers/mmc/host/sdhci-pci-core.c
@@ -31,6 +31,10 @@
#include <linux/mmc/sdhci-pci-data.h>
#include <linux/acpi.h>
+#ifdef CONFIG_X86
+#include <asm/iosf_mbi.h>
+#endif
+
#include "cqhci.h"
#include "sdhci.h"
@@ -451,6 +455,50 @@ static const struct sdhci_pci_fixes sdhci_intel_pch_sdio = {
.probe_slot = pch_hc_probe_slot,
};
+#ifdef CONFIG_X86
+
+#define BYT_IOSF_SCCEP 0x63
+#define BYT_IOSF_OCP_NETCTRL0 0x1078
+#define BYT_IOSF_OCP_TIMEOUT_BASE GENMASK(10, 8)
+
+static void byt_ocp_setting(struct pci_dev *pdev)
+{
+ u32 val = 0;
+
+ if (pdev->device != PCI_DEVICE_ID_INTEL_BYT_EMMC &&
+ pdev->device != PCI_DEVICE_ID_INTEL_BYT_SDIO &&
+ pdev->device != PCI_DEVICE_ID_INTEL_BYT_SD &&
+ pdev->device != PCI_DEVICE_ID_INTEL_BYT_EMMC2)
+ return;
+
+ if (iosf_mbi_read(BYT_IOSF_SCCEP, MBI_CR_READ, BYT_IOSF_OCP_NETCTRL0,
+ &val)) {
+ dev_err(&pdev->dev, "%s read error\n", __func__);
+ return;
+ }
+
+ if (!(val & BYT_IOSF_OCP_TIMEOUT_BASE))
+ return;
+
+ val &= ~BYT_IOSF_OCP_TIMEOUT_BASE;
+
+ if (iosf_mbi_write(BYT_IOSF_SCCEP, MBI_CR_WRITE, BYT_IOSF_OCP_NETCTRL0,
+ val)) {
+ dev_err(&pdev->dev, "%s write error\n", __func__);
+ return;
+ }
+
+ dev_dbg(&pdev->dev, "%s completed\n", __func__);
+}
+
+#else
+
+static inline void byt_ocp_setting(struct pci_dev *pdev)
+{
+}
+
+#endif
+
enum {
INTEL_DSM_FNS = 0,
INTEL_DSM_V18_SWITCH = 3,
@@ -715,6 +763,8 @@ static void byt_probe_slot(struct sdhci_pci_slot *slot)
byt_read_dsm(slot);
+ byt_ocp_setting(slot->chip->pdev);
+
ops->execute_tuning = intel_execute_tuning;
ops->start_signal_voltage_switch = intel_start_signal_voltage_switch;
@@ -938,7 +988,35 @@ static int byt_sd_probe_slot(struct sdhci_pci_slot *slot)
return 0;
}
+#ifdef CONFIG_PM_SLEEP
+
+static int byt_resume(struct sdhci_pci_chip *chip)
+{
+ byt_ocp_setting(chip->pdev);
+
+ return sdhci_pci_resume_host(chip);
+}
+
+#endif
+
+#ifdef CONFIG_PM
+
+static int byt_runtime_resume(struct sdhci_pci_chip *chip)
+{
+ byt_ocp_setting(chip->pdev);
+
+ return sdhci_pci_runtime_resume_host(chip);
+}
+
+#endif
+
static const struct sdhci_pci_fixes sdhci_intel_byt_emmc = {
+#ifdef CONFIG_PM_SLEEP
+ .resume = byt_resume,
+#endif
+#ifdef CONFIG_PM
+ .runtime_resume = byt_runtime_resume,
+#endif
.allow_runtime_pm = true,
.probe_slot = byt_emmc_probe_slot,
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
@@ -972,6 +1050,12 @@ static const struct sdhci_pci_fixes sdhci_intel_glk_emmc = {
};
static const struct sdhci_pci_fixes sdhci_ni_byt_sdio = {
+#ifdef CONFIG_PM_SLEEP
+ .resume = byt_resume,
+#endif
+#ifdef CONFIG_PM
+ .runtime_resume = byt_runtime_resume,
+#endif
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
SDHCI_QUIRK_NO_LED,
.quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON |
@@ -983,6 +1067,12 @@ static const struct sdhci_pci_fixes sdhci_ni_byt_sdio = {
};
static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
+#ifdef CONFIG_PM_SLEEP
+ .resume = byt_resume,
+#endif
+#ifdef CONFIG_PM
+ .runtime_resume = byt_runtime_resume,
+#endif
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
SDHCI_QUIRK_NO_LED,
.quirks2 = SDHCI_QUIRK2_HOST_OFF_CARD_ON |
@@ -994,6 +1084,12 @@ static const struct sdhci_pci_fixes sdhci_intel_byt_sdio = {
};
static const struct sdhci_pci_fixes sdhci_intel_byt_sd = {
+#ifdef CONFIG_PM_SLEEP
+ .resume = byt_resume,
+#endif
+#ifdef CONFIG_PM
+ .runtime_resume = byt_runtime_resume,
+#endif
.quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
SDHCI_QUIRK_NO_LED,
.quirks2 = SDHCI_QUIRK2_CARD_ON_NEEDS_BUS_ON |
diff --git a/drivers/mmc/host/sdhci-tegra.c b/drivers/mmc/host/sdhci-tegra.c
index e6ace31e2a41..084d22d83d14 100644
--- a/drivers/mmc/host/sdhci-tegra.c
+++ b/drivers/mmc/host/sdhci-tegra.c
@@ -675,6 +675,7 @@ static void tegra_sdhci_set_uhs_signaling(struct sdhci_host *host,
bool set_dqs_trim = false;
bool do_hs400_dll_cal = false;
+ tegra_host->ddr_signaling = false;
switch (timing) {
case MMC_TIMING_UHS_SDR50:
case MMC_TIMING_UHS_SDR104:
generated by cgit v1.2.3 (git 2.0.4) at 2024-06-10 19:12:49 +0000