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mmc: sdhci-s3c: remove platform dependencies
plat/regs-sdhci.h is not used anywhere but in the sdhci-s3c driver, so it can become a local file there and all other inclusions removed. plat/sdhci.h is used only to define the platform devices, and with the exception of the platform_data structure not needed by the driver, so we can split out the platform_data definition instead and leave the rest to platform code. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Acked-by: Chris Ball <cjb@laptop.org>
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Arnd Bergmann
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Apr 19, 2013
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,56 @@ | ||
| #ifndef __PLATFORM_DATA_SDHCI_S3C_H | ||
| #define __PLATFORM_DATA_SDHCI_S3C_H | ||
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| struct platform_device; | ||
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| enum cd_types { | ||
| S3C_SDHCI_CD_INTERNAL, /* use mmc internal CD line */ | ||
| S3C_SDHCI_CD_EXTERNAL, /* use external callback */ | ||
| S3C_SDHCI_CD_GPIO, /* use external gpio pin for CD line */ | ||
| S3C_SDHCI_CD_NONE, /* no CD line, use polling to detect card */ | ||
| S3C_SDHCI_CD_PERMANENT, /* no CD line, card permanently wired to host */ | ||
| }; | ||
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| /** | ||
| * struct s3c_sdhci_platdata() - Platform device data for Samsung SDHCI | ||
| * @max_width: The maximum number of data bits supported. | ||
| * @host_caps: Standard MMC host capabilities bit field. | ||
| * @host_caps2: The second standard MMC host capabilities bit field. | ||
| * @cd_type: Type of Card Detection method (see cd_types enum above) | ||
| * @ext_cd_init: Initialize external card detect subsystem. Called on | ||
| * sdhci-s3c driver probe when cd_type == S3C_SDHCI_CD_EXTERNAL. | ||
| * notify_func argument is a callback to the sdhci-s3c driver | ||
| * that triggers the card detection event. Callback arguments: | ||
| * dev is pointer to platform device of the host controller, | ||
| * state is new state of the card (0 - removed, 1 - inserted). | ||
| * @ext_cd_cleanup: Cleanup external card detect subsystem. Called on | ||
| * sdhci-s3c driver remove when cd_type == S3C_SDHCI_CD_EXTERNAL. | ||
| * notify_func argument is the same callback as for ext_cd_init. | ||
| * @ext_cd_gpio: gpio pin used for external CD line, valid only if | ||
| * cd_type == S3C_SDHCI_CD_GPIO | ||
| * @ext_cd_gpio_invert: invert values for external CD gpio line | ||
| * @cfg_gpio: Configure the GPIO for a specific card bit-width | ||
| * | ||
| * Initialisation data specific to either the machine or the platform | ||
| * for the device driver to use or call-back when configuring gpio or | ||
| * card speed information. | ||
| */ | ||
| struct s3c_sdhci_platdata { | ||
| unsigned int max_width; | ||
| unsigned int host_caps; | ||
| unsigned int host_caps2; | ||
| unsigned int pm_caps; | ||
| enum cd_types cd_type; | ||
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| int ext_cd_gpio; | ||
| bool ext_cd_gpio_invert; | ||
| int (*ext_cd_init)(void (*notify_func)(struct platform_device *, | ||
| int state)); | ||
| int (*ext_cd_cleanup)(void (*notify_func)(struct platform_device *, | ||
| int state)); | ||
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| void (*cfg_gpio)(struct platform_device *dev, int width); | ||
| }; | ||
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| #endif /* __PLATFORM_DATA_SDHCI_S3C_H */ |