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Message-Id: <20240906102049.7059-21-victorshihgli@gmail.com> Date: Fri, 6 Sep 2024 18:20:47 +0800 From: Victor Shih <victorshihgli@...il.com> To: ulf.hansson@...aro.org, adrian.hunter@...el.com Cc: linux-mmc@...r.kernel.org, linux-kernel@...r.kernel.org, benchuanggli@...il.com, Lucas.Lai@...esyslogic.com.tw, HL.Liu@...esyslogic.com.tw, Greg.tu@...esyslogic.com.tw, dlunev@...omium.org, Victor Shih <victorshihgli@...il.com>, Ben Chuang <ben.chuang@...esyslogic.com.tw>, AKASHI Takahiro <takahiro.akashi@...aro.org>, Victor Shih <victor.shih@...esyslogic.com.tw> Subject: [PATCH V21 20/22] mmc: sdhci-pci: add UHS-II support framework From: Victor Shih <victor.shih@...esyslogic.com.tw> 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@...esyslogic.com.tw> Signed-off-by: AKASHI Takahiro <takahiro.akashi@...aro.org> Signed-off-by: Victor Shih <victor.shih@...esyslogic.com.tw> Acked-by: Adrian Hunter <adrian.hunter@...el.com> --- Updates in V8: - Add config select MMC_SDHCI_UHS2 in Kconfig. --- drivers/mmc/host/Kconfig | 1 + drivers/mmc/host/sdhci-pci-core.c | 16 +++++++++++++++- drivers/mmc/host/sdhci-pci.h | 3 +++ 3 files changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index f636af8a98df..70d37a8c3613 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 -- 2.25.1
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