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author | Ulf Hansson <ulf.hansson@linaro.org> | 2014-10-17 11:32:32 +0200 |
---|---|---|
committer | Ulf Hansson <ulf.hansson@linaro.org> | 2014-11-10 12:40:43 +0100 |
commit | e21aa519ee3667d0fabda5d806cc68826e9899e0 (patch) | |
tree | f077f21e6755fa91b78ffc315a32a8ba507c3880 /drivers/mmc/core | |
parent | 2fd322a58ed17b9159aa369e7c9ea01eb6a5d5ae (diff) | |
download | linux-e21aa519ee3667d0fabda5d806cc68826e9899e0.tar.gz linux-e21aa519ee3667d0fabda5d806cc68826e9899e0.tar.bz2 linux-e21aa519ee3667d0fabda5d806cc68826e9899e0.zip |
mmc: core: Export mmc_get_ext_csd()
Callers of mmc_send_ext_csd() will be able to decrease code duplication
by using mmc_get_ext_csd() instead. Let's make it available.
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Diffstat (limited to 'drivers/mmc/core')
-rw-r--r-- | drivers/mmc/core/mmc.c | 31 | ||||
-rw-r--r-- | drivers/mmc/core/mmc_ops.c | 29 |
2 files changed, 29 insertions, 31 deletions
diff --git a/drivers/mmc/core/mmc.c b/drivers/mmc/core/mmc.c index efaa9f8f07b0..02ad79229f65 100644 --- a/drivers/mmc/core/mmc.c +++ b/drivers/mmc/core/mmc.c @@ -177,37 +177,6 @@ static int mmc_decode_csd(struct mmc_card *card) return 0; } -/* - * Read extended CSD. - */ -static int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd) -{ - int err; - u8 *ext_csd; - - if (!card || !new_ext_csd) - return -EINVAL; - - if (!mmc_can_ext_csd(card)) - return -EOPNOTSUPP; - - /* - * As the ext_csd is so large and mostly unused, we don't store the - * raw block in mmc_card. - */ - ext_csd = kmalloc(512, GFP_KERNEL); - if (!ext_csd) - return -ENOMEM; - - err = mmc_send_ext_csd(card, ext_csd); - if (err) - kfree(ext_csd); - else - *new_ext_csd = ext_csd; - - return err; -} - static void mmc_select_card_type(struct mmc_card *card) { struct mmc_host *host = card->host; diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c index 1db60be43c37..72e1f9b3ed0d 100644 --- a/drivers/mmc/core/mmc_ops.c +++ b/drivers/mmc/core/mmc_ops.c @@ -385,6 +385,35 @@ int mmc_send_ext_csd(struct mmc_card *card, u8 *ext_csd) } EXPORT_SYMBOL_GPL(mmc_send_ext_csd); +int mmc_get_ext_csd(struct mmc_card *card, u8 **new_ext_csd) +{ + int err; + u8 *ext_csd; + + if (!card || !new_ext_csd) + return -EINVAL; + + if (!mmc_can_ext_csd(card)) + return -EOPNOTSUPP; + + /* + * As the ext_csd is so large and mostly unused, we don't store the + * raw block in mmc_card. + */ + ext_csd = kmalloc(512, GFP_KERNEL); + if (!ext_csd) + return -ENOMEM; + + err = mmc_send_ext_csd(card, ext_csd); + if (err) + kfree(ext_csd); + else + *new_ext_csd = ext_csd; + + return err; +} +EXPORT_SYMBOL_GPL(mmc_get_ext_csd); + int mmc_spi_read_ocr(struct mmc_host *host, int highcap, u32 *ocrp) { struct mmc_command cmd = {0}; |