From: Victor Shih Date: Fri, 18 Oct 2024 10:53:31 +0000 (+0800) Subject: mmc: sdhci-pci: add UHS-II support framework X-Git-Tag: v6.13-rc1~153^2~30 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=2daf64308d6b78d04dd8ddb87b6cf89cd85e3919;p=thirdparty%2Flinux.git 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 Signed-off-by: AKASHI Takahiro Signed-off-by: Victor Shih Acked-by: Adrian Hunter Message-ID: <20241018105333.4569-15-victorshihgli@gmail.com> Signed-off-by: Ulf Hansson --- diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 45df8ddb89187..fec4702255844 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 ed45ed0bdafd9..2b300bc4a701f 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 153704f812edc..e807c039a8b1e 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