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| author | Victor Shih <victor.shih@genesyslogic.com.tw> | 2024-10-18 18:53:31 +0800 |
|---|---|---|
| committer | Ulf Hansson <ulf.hansson@linaro.org> | 2024-10-24 14:38:21 +0200 |
| commit | 2daf64308d6b78d04dd8ddb87b6cf89cd85e3919 (patch) | |
| tree | eed4df0710a31298fbc5d742116fbf21363ec77e /drivers/mmc/host | |
| parent | 379e4dc5b68a6642fc13b94543be33307ed09704 (diff) | |
| download | lwn-2daf64308d6b78d04dd8ddb87b6cf89cd85e3919.tar.gz lwn-2daf64308d6b78d04dd8ddb87b6cf89cd85e3919.zip | |
mmc: sdhci-pci: add UHS-II support framework
This patch prepares for adding UHS-II support at a specific UHS-II
capable sdhci-pci controller, GL9755 for now.
Signed-off-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
Signed-off-by: Victor Shih <victor.shih@genesyslogic.com.tw>
Acked-by: Adrian Hunter <adrian.hunter@intel.com>
Message-ID: <20241018105333.4569-15-victorshihgli@gmail.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/host')
| -rw-r--r-- | drivers/mmc/host/Kconfig | 1 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pci-core.c | 16 | ||||
| -rw-r--r-- | drivers/mmc/host/sdhci-pci.h | 3 |
3 files changed, 19 insertions, 1 deletions
diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 45df8ddb8918..fec470225584 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -111,6 +111,7 @@ config MMC_SDHCI_PCI tristate "SDHCI support on PCI bus" depends on MMC_SDHCI && PCI select MMC_CQHCI + select MMC_SDHCI_UHS2 select IOSF_MBI if X86 select MMC_SDHCI_IO_ACCESSORS help diff --git a/drivers/mmc/host/sdhci-pci-core.c b/drivers/mmc/host/sdhci-pci-core.c index ed45ed0bdafd..2b300bc4a701 100644 --- a/drivers/mmc/host/sdhci-pci-core.c +++ b/drivers/mmc/host/sdhci-pci-core.c @@ -40,6 +40,7 @@ #include "sdhci.h" #include "sdhci-cqhci.h" #include "sdhci-pci.h" +#include "sdhci-uhs2.h" static void sdhci_pci_hw_reset(struct sdhci_host *host); @@ -2181,7 +2182,10 @@ static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) if (scratch == (u32)-1) dead = 1; - sdhci_remove_host(slot->host, dead); + if (slot->chip->fixes && slot->chip->fixes->remove_host) + slot->chip->fixes->remove_host(slot, dead); + else + sdhci_remove_host(slot->host, dead); if (slot->chip->fixes && slot->chip->fixes->remove_slot) slot->chip->fixes->remove_slot(slot, dead); @@ -2189,6 +2193,16 @@ static void sdhci_pci_remove_slot(struct sdhci_pci_slot *slot) sdhci_free_host(slot->host); } +int sdhci_pci_uhs2_add_host(struct sdhci_pci_slot *slot) +{ + return sdhci_uhs2_add_host(slot->host); +} + +void sdhci_pci_uhs2_remove_host(struct sdhci_pci_slot *slot, int dead) +{ + sdhci_uhs2_remove_host(slot->host, dead); +} + static void sdhci_pci_runtime_pm_allow(struct device *dev) { pm_suspend_ignore_children(dev, 1); diff --git a/drivers/mmc/host/sdhci-pci.h b/drivers/mmc/host/sdhci-pci.h index 153704f812ed..e807c039a8b1 100644 --- a/drivers/mmc/host/sdhci-pci.h +++ b/drivers/mmc/host/sdhci-pci.h @@ -145,6 +145,7 @@ struct sdhci_pci_fixes { int (*probe_slot) (struct sdhci_pci_slot *); int (*add_host) (struct sdhci_pci_slot *); void (*remove_slot) (struct sdhci_pci_slot *, int); + void (*remove_host) (struct sdhci_pci_slot *, int); #ifdef CONFIG_PM_SLEEP int (*suspend) (struct sdhci_pci_chip *); @@ -189,6 +190,8 @@ static inline void *sdhci_pci_priv(struct sdhci_pci_slot *slot) return (void *)slot->private; } +int sdhci_pci_uhs2_add_host(struct sdhci_pci_slot *slot); +void sdhci_pci_uhs2_remove_host(struct sdhci_pci_slot *slot, int dead); #ifdef CONFIG_PM_SLEEP int sdhci_pci_resume_host(struct sdhci_pci_chip *chip); #endif |