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authorJaehoon Chung <jh80.chung@samsung.com>2014-03-03 03:36:43 +0100
committerChris Ball <chris@printf.net>2014-05-13 00:04:33 +0200
commit907abd51012b9b0b0b687e97d5ebadbddbc682fe (patch)
treede1a2a6a9904c1405f4418eeeac5a5000f0826b0 /drivers
parentmmc: dw_mmc: replace the bus_hz checking point (diff)
downloadlinux-907abd51012b9b0b0b687e97d5ebadbddbc682fe.tar.xz
linux-907abd51012b9b0b0b687e97d5ebadbddbc682fe.zip
mmc: dw_mmc: remove unused member variable.
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>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/mmc/host/dw_mmc.c33
1 files changed, 3 insertions, 30 deletions
diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 55c34cb702d4..81991eca5671 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -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;
}