diff options
| author | Jon Nettleton <jon@solid-run.com> | 2018-06-11 15:26:19 +0300 |
|---|---|---|
| committer | Stefano Babic <sbabic@denx.de> | 2018-07-23 10:17:04 +0200 |
| commit | 6c09eba507f9f78cfc96db760d064d70d691e9b9 (patch) | |
| tree | a89409542bf787b5033d24adeb898206a5f2ef33 /drivers/mmc/mmc.c | |
| parent | 31d9500498b9c9c4eff6a5b1075db7ea4a2db165 (diff) | |
mmc: break out get_op_cond code to its own function
This code is useful for testing the existance of devices that
do not have card detect capabilities. This breaks out the core
functionality and leaves the actual init logic and error reporting
in mmc_start_init().
Signed-off-by: Jon Nettleton <jon@solid-run.com>
Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Reviewed-by: Stefano Babic <sbabic@denx.de>
Diffstat (limited to 'drivers/mmc/mmc.c')
| -rw-r--r-- | drivers/mmc/mmc.c | 61 |
1 files changed, 35 insertions, 26 deletions
diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c index f7827f527a..ad429f49c9 100644 --- a/drivers/mmc/mmc.c +++ b/drivers/mmc/mmc.c @@ -2491,36 +2491,11 @@ static int mmc_power_cycle(struct mmc *mmc) return mmc_power_on(mmc); } -int mmc_start_init(struct mmc *mmc) +int mmc_get_op_cond(struct mmc *mmc) { - bool no_card; bool uhs_en = supports_uhs(mmc->cfg->host_caps); int err; - /* - * all hosts are capable of 1 bit bus-width and able to use the legacy - * timings. - */ - mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) | - MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT; - -#if !defined(CONFIG_MMC_BROKEN_CD) - /* we pretend there's no card when init is NULL */ - no_card = mmc_getcd(mmc) == 0; -#else - no_card = 0; -#endif -#if !CONFIG_IS_ENABLED(DM_MMC) - no_card = no_card || (mmc->cfg->ops->init == NULL); -#endif - if (no_card) { - mmc->has_init = 0; -#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) - pr_err("MMC: no card present\n"); -#endif - return -ENOMEDIUM; - } - if (mmc->has_init) return 0; @@ -2597,6 +2572,40 @@ retry: } } + return err; +} + +int mmc_start_init(struct mmc *mmc) +{ + bool no_card; + int err = 0; + + /* + * all hosts are capable of 1 bit bus-width and able to use the legacy + * timings. + */ + mmc->host_caps = mmc->cfg->host_caps | MMC_CAP(SD_LEGACY) | + MMC_CAP(MMC_LEGACY) | MMC_MODE_1BIT; + +#if !defined(CONFIG_MMC_BROKEN_CD) + /* we pretend there's no card when init is NULL */ + no_card = mmc_getcd(mmc) == 0; +#else + no_card = 0; +#endif +#if !CONFIG_IS_ENABLED(DM_MMC) + no_card = no_card || (mmc->cfg->ops->init == NULL); +#endif + if (no_card) { + mmc->has_init = 0; +#if !defined(CONFIG_SPL_BUILD) || defined(CONFIG_SPL_LIBCOMMON_SUPPORT) + pr_err("MMC: no card present\n"); +#endif + return -ENOMEDIUM; + } + + err = mmc_get_op_cond(mmc); + if (!err) mmc->init_in_progress = 1; |