redonkable/alistair23-linux
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mmc: dw_mmc: remove unused member variable.

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Since using the device-tree, didn't use the callback pointer.
So removed the unused callback pointer.
When the set_power callback is used, it should be added in future.

Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
Signed-off-by: Chris Ball <chris@printf.net>
This commit is contained in:
Jaehoon Chung 2014-03-03 11:36:43 +09:00 committed by Chris Ball
parent 612de4c1b3
commit 907abd5101
2 changed files with 3 additions and 44 deletions
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33
drivers/mmc/host/dw_mmc.c
View file

@ -850,8 +850,6 @@ static void __dw_mci_start_request(struct dw_mci *host,
u32 cmdflags;
mrq = slot->mrq;
if (host->pdata->select_slot)
host->pdata->select_slot(slot->id);
host->cur_slot = slot;
host->mrq = mrq;
@ -985,17 +983,11 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
switch (ios->power_mode) {
case MMC_POWER_UP:
set_bit(DW_MMC_CARD_NEED_INIT, &slot->flags);
/* Power up slot */
if (slot->host->pdata->setpower)
slot->host->pdata->setpower(slot->id, mmc->ocr_avail);
regs = mci_readl(slot->host, PWREN);
regs |= (1 << slot->id);
mci_writel(slot->host, PWREN, regs);
break;
case MMC_POWER_OFF:
/* Power down slot */
if (slot->host->pdata->setpower)
slot->host->pdata->setpower(slot->id, 0);
regs = mci_readl(slot->host, PWREN);
regs &= ~(1 << slot->id);
mci_writel(slot->host, PWREN, regs);
@ -1009,13 +1001,10 @@ static int dw_mci_get_ro(struct mmc_host *mmc)
{
int read_only;
struct dw_mci_slot *slot = mmc_priv(mmc);
struct dw_mci_board *brd = slot->host->pdata;
/* Use platform get_ro function, else try on board write protect */
if (slot->quirks & DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT)
read_only = 0;
else if (brd->get_ro)
read_only = brd->get_ro(slot->id);
else if (gpio_is_valid(slot->wp_gpio))
read_only = gpio_get_value(slot->wp_gpio);
else
@ -1039,8 +1028,6 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
/* Use platform get_cd function, else try onboard card detect */
if (brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
present = 1;
else if (brd->get_cd)
present = !brd->get_cd(slot->id);
else if (!IS_ERR_VALUE(gpio_cd))
present = gpio_cd;
else
@ -2138,17 +2125,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
mmc->f_max = freq[1];
}
if (host->pdata->get_ocr)
mmc->ocr_avail = host->pdata->get_ocr(id);
else
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
/*
* Start with slot power disabled, it will be enabled when a card
* is detected.
*/
if (host->pdata->setpower)
host->pdata->setpower(id, 0);
mmc->ocr_avail = MMC_VDD_32_33 | MMC_VDD_33_34;
if (host->pdata->caps)
mmc->caps = host->pdata->caps;
@ -2217,10 +2194,6 @@ err_setup_bus:
static void dw_mci_cleanup_slot(struct dw_mci_slot *slot, unsigned int id)
{
/* Shutdown detect IRQ */
if (slot->host->pdata->exit)
slot->host->pdata->exit(id);
/* Debugfs stuff is cleaned up by mmc core */
mmc_remove_host(slot->mmc);
slot->host->slot[id] = NULL;
@ -2395,9 +2368,9 @@ int dw_mci_probe(struct dw_mci *host)
}
}
if (!host->pdata->select_slot && host->pdata->num_slots > 1) {
if (host->pdata->num_slots > 1) {
dev_err(host->dev,
"Platform data must supply select_slot function\n");
"Platform data must supply num_slots.\n");
return -ENODEV;
}

14
include/linux/mmc/dw_mmc.h
View file

@ -248,20 +248,6 @@ struct dw_mci_board {
/* delay in mS before detecting cards after interrupt */
u32 detect_delay_ms;
int (*init)(u32 slot_id, irq_handler_t , void *);
int (*get_ro)(u32 slot_id);
int (*get_cd)(u32 slot_id);
int (*get_ocr)(u32 slot_id);
int (*get_bus_wd)(u32 slot_id);
/*
* Enable power to selected slot and set voltage to desired level.
* Voltage levels are specified using MMC_VDD_xxx defines defined
* in linux/mmc/host.h file.
*/
void (*setpower)(u32 slot_id, u32 volt);
void (*exit)(u32 slot_id);
void (*select_slot)(u32 slot_id);
struct dw_mci_dma_ops *dma_ops;
struct dma_pdata *data;
struct block_settings *blk_settings;