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| author | Rabin Vincent <rabin.vincent@stericsson.com> | 2010-07-21 12:53:57 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2010-07-29 15:39:05 +0100 |
| commit | bb8f563c848faa113059973f68c24a3bb6a9585e (patch) | |
| tree | 7ce9952411dd8ba1e9f438a62d586d9078f06212 | |
| parent | f5e2574e734650bbeb801a31cc99e628f9a027af (diff) | |
| download | linux-stable-bb8f563c848faa113059973f68c24a3bb6a9585e.tar.gz linux-stable-bb8f563c848faa113059973f68c24a3bb6a9585e.tar.bz2 linux-stable-bb8f563c848faa113059973f68c24a3bb6a9585e.zip | |
ARM: 6243/1: mmci: pass power_mode to the translate_vdd callback
Platforms may have some external power control which need to be
controlled from board specific code. Rename the translate_vdd()
callback to vdd_handler() and pass it the power mode.
Acked-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Rabin Vincent <rabin.vincent@stericsson.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | drivers/mmc/host/mmci.c | 13 | ||||
| -rw-r--r-- | include/linux/amba/mmci.h | 10 |
2 files changed, 9 insertions, 14 deletions
diff --git a/drivers/mmc/host/mmci.c b/drivers/mmc/host/mmci.c index 3eaa0e9373cd..7ae3eeeefc29 100644 --- a/drivers/mmc/host/mmci.c +++ b/drivers/mmc/host/mmci.c @@ -493,16 +493,9 @@ static void mmci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios) /* This implicitly enables the regulator */ mmc_regulator_set_ocr(host->vcc, ios->vdd); #endif - /* - * The translate_vdd function is not used if you have - * an external regulator, or your design is really weird. - * Using it would mean sending in power control BOTH using - * a regulator AND the 4 MMCIPWR bits. If we don't have - * a regulator, we might have some other platform specific - * power control behind this translate function. - */ - if (!host->vcc && host->plat->translate_vdd) - pwr |= host->plat->translate_vdd(mmc_dev(mmc), ios->vdd); + if (host->plat->vdd_handler) + pwr |= host->plat->vdd_handler(mmc_dev(mmc), ios->vdd, + ios->power_mode); /* The ST version does not have this, fall through to POWER_ON */ if (host->hw_designer != AMBA_VENDOR_ST) { pwr |= MCI_PWR_UP; diff --git a/include/linux/amba/mmci.h b/include/linux/amba/mmci.h index 7e466fe72025..ca84ce70d5d5 100644 --- a/include/linux/amba/mmci.h +++ b/include/linux/amba/mmci.h @@ -15,9 +15,10 @@ * @ocr_mask: available voltages on the 4 pins from the block, this * is ignored if a regulator is used, see the MMC_VDD_* masks in * mmc/host.h - * @translate_vdd: a callback function to translate a MMC_VDD_* - * mask into a value to be binary or:ed and written into the - * MMCIPWR register of the block + * @vdd_handler: a callback function to translate a MMC_VDD_* + * mask into a value to be binary (or set some other custom bits + * in MMCIPWR) or:ed and written into the MMCIPWR register of the + * block. May also control external power based on the power_mode. * @status: if no GPIO read function was given to the block in * gpio_wp (below) this function will be called to determine * whether a card is present in the MMC slot or not @@ -29,7 +30,8 @@ struct mmci_platform_data { unsigned int f_max; unsigned int ocr_mask; - u32 (*translate_vdd)(struct device *, unsigned int); + u32 (*vdd_handler)(struct device *, unsigned int vdd, + unsigned char power_mode); unsigned int (*status)(struct device *); int gpio_wp; int gpio_cd; |