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b1c1df7a7d
eMMC does not handle power off when not in sleep state, Skip regulator disable during probe when eMMC is not in known state - state left by bootloader. Resolves eMMC failure on OMAP4 mmc0: error -110 whilst initialising MMC card Signed-off-by: Balaji T K <balajitk@ti.com> Tested-by: Kishore Kadiyala <kishore.kadiyala@ti.com> Acked-by: Kishore Kadiyala <kishore.kadiyala@ti.com> Signed-off-by: Tony Lindgren <tony@atomide.com>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
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* MMC definitions for OMAP2
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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struct mmc_card;
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struct omap2_hsmmc_info {
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u8 mmc; /* controller 1/2/3 */
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u32 caps; /* 4/8 wires and any additional host
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* capabilities OR'd (ref. linux/mmc/host.h) */
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bool transceiver; /* MMC-2 option */
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bool ext_clock; /* use external pin for input clock */
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bool cover_only; /* No card detect - just cover switch */
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bool nonremovable; /* Nonremovable e.g. eMMC */
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bool power_saving; /* Try to sleep or power off when possible */
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bool no_off; /* power_saving and power is not to go off */
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bool no_off_init; /* no power off when not in MMC sleep state */
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bool vcc_aux_disable_is_sleep; /* Regulator off remapped to sleep */
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int gpio_cd; /* or -EINVAL */
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int gpio_wp; /* or -EINVAL */
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char *name; /* or NULL for default */
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struct device *dev; /* returned: pointer to mmc adapter */
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int ocr_mask; /* temporary HACK */
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/* Remux (pad configuration) when powering on/off */
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void (*remux)(struct device *dev, int slot, int power_on);
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/* init some special card */
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void (*init_card)(struct mmc_card *card);
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};
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#if defined(CONFIG_MMC_OMAP_HS) || defined(CONFIG_MMC_OMAP_HS_MODULE)
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void omap2_hsmmc_init(struct omap2_hsmmc_info *);
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#else
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static inline void omap2_hsmmc_init(struct omap2_hsmmc_info *info)
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{
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}
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#endif
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