[PATCH v4 10/10] omap_hsmmc: remove unused slot_id parameter

Andreas Fenkart
2014-11-08T14:33:54Z

omap_hsmmc only supports one slot. So slot id is always zero, and
slot id was never used in the callbacks anyway

Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Andreas Fenkart <afenkart@gmail.com>
---
arch/arm/mach-omap2/board-rx51-peripherals.c | 2 +-
arch/arm/mach-omap2/hsmmc.c | 21 ++++-----
arch/arm/mach-omap2/hsmmc.h | 2 +-
drivers/mmc/host/omap_hsmmc.c | 65 +++++++++++-----------------
include/linux/platform_data/hsmmc-omap.h | 14 ++----
5 files changed, 40 insertions(+), 64 deletions(-)

diff --git a/arch/arm/mach-omap2/board-rx51-peripherals.c b/arch/arm/mach-omap2/board-rx51-peripherals.c
index 0a8ac84..3d5040f 100644
--- a/arch/arm/mach-omap2/board-rx51-peripherals.c
+++ b/arch/arm/mach-omap2/board-rx51-peripherals.c
@@ -484,7 +484,7 @@ static struct omap_mux_partition *partition;
* Current flows to eMMC when eMMC is off and the data lines are pulled up,
* so pull them down. N.B. we pull 8 lines because we are using 8 lines.
*/
-static void rx51_mmc2_remux(struct device *dev, int slot, int power_on)
+static void rx51_mmc2_remux(struct device *dev, int power_on)
{
if (power_on)
omap_mux_write_array(partition, rx51_mmc2_on_mux);
diff --git a/arch/arm/mach-omap2/hsmmc.c b/arch/arm/mach-omap2/hsmmc.c
index 4e2896a..dc6e79c 100644
--- a/arch/arm/mach-omap2/hsmmc.c
+++ b/arch/arm/mach-omap2/hsmmc.c
@@ -33,14 +33,14 @@ static u16 control_devconf1_offset;

#define HSMMC_NAME_LEN 9

-static void omap_hsmmc1_before_set_reg(struct device *dev, int slot,
- int power_on, int vdd)
+static void omap_hsmmc1_before_set_reg(struct device *dev,
+ int power_on, int vdd)
{
u32 reg, prog_io;
struct omap_hsmmc_platform_data *mmc = dev->platform_data;

if (mmc->remux)
- mmc->remux(dev, slot, power_on);
+ mmc->remux(dev, power_on);

/*
* Assume we power both OMAP VMMC1 (for CMD, CLK, DAT0..3) and the
@@ -86,8 +86,7 @@ static void omap_hsmmc1_before_set_reg(struct device *dev, int slot,
}
}

-static void omap_hsmmc1_after_set_reg(struct device *dev, int slot,
- int power_on, int vdd)
+static void omap_hsmmc1_after_set_reg(struct device *dev, int power_on, int vdd)
{
u32 reg;

@@ -122,20 +121,18 @@ static void hsmmc2_select_input_clk_src(struct omap_hsmmc_platform_data *mmc)
omap_ctrl_writel(reg, control_devconf1_offset);
}

-static void hsmmc2_before_set_reg(struct device *dev, int slot,
- int power_on, int vdd)
+static void hsmmc2_before_set_reg(struct device *dev, int power_on, int vdd)
{
struct omap_hsmmc_platform_data *mmc = dev->platform_data;

if (mmc->remux)
- mmc->remux(dev, slot, power_on);
+ mmc->remux(dev, power_on);

if (power_on)
hsmmc2_select_input_clk_src(mmc);
}

-static int am35x_hsmmc2_set_power(struct device *dev, int slot,
- int power_on, int vdd)
+static int am35x_hsmmc2_set_power(struct device *dev, int power_on, int vdd)
{
struct omap_hsmmc_platform_data *mmc = dev->platform_data;

@@ -145,8 +142,7 @@ static int am35x_hsmmc2_set_power(struct device *dev, int slot,
return 0;
}

-static int nop_mmc_set_power(struct device *dev, int slot, int power_on,
- int vdd)
+static int nop_mmc_set_power(struct device *dev, int power_on, int vdd)
{
return 0;
}
@@ -250,7 +246,6 @@ static int __init omap_hsmmc_pdata_init(struct omap2_hsmmc_info *c,
snprintf(hc_name, (HSMMC_NAME_LEN + 1), "mmc%islot%i",
c->mmc, 1);
mmc->name = hc_name;
- mmc->nr_slots = 1;
mmc->caps = c->caps;
mmc->internal_clock = !c->ext_clock;
mmc->reg_offset = 0;
diff --git a/arch/arm/mach-omap2/hsmmc.h b/arch/arm/mach-omap2/hsmmc.h
index 30c78c1..148cd9b 100644
--- a/arch/arm/mach-omap2/hsmmc.h
+++ b/arch/arm/mach-omap2/hsmmc.h
@@ -23,7 +23,7 @@ struct omap2_hsmmc_info {
struct platform_device *pdev; /* mmc controller instance */
int ocr_mask; /* temporary HACK */
/* Remux (pad configuration) when powering on/off */
- void (*remux)(struct device *dev, int slot, int power_on);
+ void (*remux)(struct device *dev, int power_on);
/* init some special card */
void (*init_card)(struct mmc_card *card);
};
diff --git a/drivers/mmc/host/omap_hsmmc.c b/drivers/mmc/host/omap_hsmmc.c
index f4f1bcd..82b40b8 100644
--- a/drivers/mmc/host/omap_hsmmc.c
+++ b/drivers/mmc/host/omap_hsmmc.c
@@ -207,7 +207,6 @@ struct omap_hsmmc_host {
int use_dma, dma_ch;
struct dma_chan *tx_chan;
struct dma_chan *rx_chan;
- int slot_id;
int response_busy;
int context_loss;
int protect_card;
@@ -223,8 +222,8 @@ struct omap_hsmmc_host {
struct omap_hsmmc_platform_data *pdata;

/* To handle board related suspend/resume functionality for MMC */
- int (*suspend)(struct device *dev, int slot);
- int (*resume)(struct device *dev, int slot);
+ int (*suspend)(struct device *dev);
+ int (*resume)(struct device *dev);

/* return MMC cover switch state, can be NULL if not supported.
*
@@ -232,13 +231,13 @@ struct omap_hsmmc_host {
* 0 - closed
* 1 - open
*/
- int (*get_cover_state)(struct device *dev, int slot);
+ int (*get_cover_state)(struct device *dev);

/* Card detection IRQs */
int card_detect_irq;

- int (*card_detect)(struct device *dev, int slot);
- int (*get_ro)(struct device *dev, int slot);
+ int (*card_detect)(struct device *dev);
+ int (*get_ro)(struct device *dev);

};

@@ -249,7 +248,7 @@ struct omap_mmc_of_data {

static void omap_hsmmc_start_dma_transfer(struct omap_hsmmc_host *host);

-static int omap_hsmmc_card_detect(struct device *dev, int slot)
+static int omap_hsmmc_card_detect(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
struct omap_hsmmc_platform_data *mmc = host->pdata;
@@ -258,7 +257,7 @@ static int omap_hsmmc_card_detect(struct device *dev, int slot)
return !gpio_get_value_cansleep(mmc->switch_pin);
}

-static int omap_hsmmc_get_wp(struct device *dev, int slot)
+static int omap_hsmmc_get_wp(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
struct omap_hsmmc_platform_data *mmc = host->pdata;
@@ -267,7 +266,7 @@ static int omap_hsmmc_get_wp(struct device *dev, int slot)
return gpio_get_value_cansleep(mmc->gpio_wp);
}

-static int omap_hsmmc_get_cover_state(struct device *dev, int slot)
+static int omap_hsmmc_get_cover_state(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);
struct omap_hsmmc_platform_data *mmc = host->pdata;
@@ -278,7 +277,7 @@ static int omap_hsmmc_get_cover_state(struct device *dev, int slot)

#ifdef CONFIG_PM

-static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
+static int omap_hsmmc_suspend_cdirq(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);

@@ -286,7 +285,7 @@ static int omap_hsmmc_suspend_cdirq(struct device *dev, int slot)
return 0;
}

-static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)
+static int omap_hsmmc_resume_cdirq(struct device *dev)
{
struct omap_hsmmc_host *host = dev_get_drvdata(dev);

@@ -303,8 +302,7 @@ static int omap_hsmmc_resume_cdirq(struct device *dev, int slot)

#ifdef CONFIG_REGULATOR

-static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
- int vdd)
+static int omap_hsmmc_set_power(struct device *dev, int power_on, int vdd)
{
struct omap_hsmmc_host *host =
platform_get_drvdata(to_platform_device(dev));
@@ -318,7 +316,7 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
return 0;

if (mmc_pdata(host)->before_set_reg)
- mmc_pdata(host)->before_set_reg(dev, slot, power_on, vdd);
+ mmc_pdata(host)->before_set_reg(dev, power_on, vdd);

if (host->pbias) {
if (host->pbias_enabled == 1) {
@@ -381,7 +379,7 @@ static int omap_hsmmc_set_power(struct device *dev, int slot, int power_on,
}

if (mmc_pdata(host)->after_set_reg)
- mmc_pdata(host)->after_set_reg(dev, slot, power_on, vdd);
+ mmc_pdata(host)->after_set_reg(dev, power_on, vdd);

error_set_power:
return ret;
@@ -431,8 +429,8 @@ static int omap_hsmmc_reg_get(struct omap_hsmmc_host *host)
(host->vcc_aux && regulator_is_enabled(host->vcc_aux))) {
int vdd = ffs(mmc_pdata(host)->ocr_mask) - 1;

- mmc_pdata(host)->set_power(host->dev, host->slot_id, 1, vdd);
- mmc_pdata(host)->set_power(host->dev, host->slot_id, 0, 0);
+ mmc_pdata(host)->set_power(host->dev, 1, vdd);
+ mmc_pdata(host)->set_power(host->dev, 0, 0);
}

return 0;
@@ -813,7 +811,7 @@ int omap_hsmmc_cover_is_closed(struct omap_hsmmc_host *host)
int r = 1;

if (host->get_cover_state)
- r = host->get_cover_state(host->dev, host->slot_id);
+ r = host->get_cover_state(host->dev);
return r;
}

@@ -1231,12 +1229,11 @@ static int omap_hsmmc_switch_opcond(struct omap_hsmmc_host *host, int vdd)
clk_disable_unprepare(host->dbclk);

/* Turn the power off */
- ret = mmc_pdata(host)->set_power(host->dev, host->slot_id, 0, 0);
+ ret = mmc_pdata(host)->set_power(host->dev, 0, 0);

/* Turn the power ON with given VDD 1.8 or 3.0v */
if (!ret)
- ret = mmc_pdata(host)->set_power(host->dev, host->slot_id, 1,
- vdd);
+ ret = mmc_pdata(host)->set_power(host->dev, 1, vdd);
pm_runtime_get_sync(host->dev);
if (host->dbclk)
clk_prepare_enable(host->dbclk);
@@ -1284,7 +1281,7 @@ static void omap_hsmmc_protect_card(struct omap_hsmmc_host *host)
return;

host->reqs_blocked = 0;
- if (host->get_cover_state(host->dev, host->slot_id)) {
+ if (host->get_cover_state(host->dev)) {
if (host->protect_card) {
dev_info(host->dev, "%s: cover is closed, "
"card is now accessible\n",
@@ -1312,7 +1309,7 @@ static irqreturn_t omap_hsmmc_detect(int irq, void *dev_id)
sysfs_notify(&host->mmc->class_dev.kobj, NULL, "cover_switch");

if (host->card_detect)
- carddetect = host->card_detect(host->dev, host->slot_id);
+ carddetect = host->card_detect(host->dev);
else {
omap_hsmmc_protect_card(host);
carddetect = -ENOSYS;
@@ -1638,12 +1635,10 @@ static void omap_hsmmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
if (ios->power_mode != host->power_mode) {
switch (ios->power_mode) {
case MMC_POWER_OFF:
- mmc_pdata(host)->set_power(host->dev, host->slot_id,
- 0, 0);
+ mmc_pdata(host)->set_power(host->dev, 0, 0);
break;
case MMC_POWER_UP:
- mmc_pdata(host)->set_power(host->dev, host->slot_id,
- 1, ios->vdd);
+ mmc_pdata(host)->set_power(host->dev, 1, ios->vdd);
break;
case MMC_POWER_ON:
do_send_init_stream = 1;
@@ -1690,7 +1685,7 @@ static int omap_hsmmc_get_cd(struct mmc_host *mmc)

if (!host->card_detect)
return -ENOSYS;
- return host->card_detect(host->dev, host->slot_id);
+ return host->card_detect(host->dev);
}

static int omap_hsmmc_get_ro(struct mmc_host *mmc)
@@ -1699,7 +1694,7 @@ static int omap_hsmmc_get_ro(struct mmc_host *mmc)

if (!host->get_ro)
return -ENOSYS;
- return host->get_ro(host->dev, 0);
+ return host->get_ro(host->dev);
}

static void omap_hsmmc_init_card(struct mmc_host *mmc, struct mmc_card *card)
@@ -1996,8 +1991,6 @@ static struct omap_hsmmc_platform_data *of_get_hsmmc_pdata(struct device *dev)
if (of_find_property(np, "ti,dual-volt", NULL))
pdata->controller_flags |= OMAP_HSMMC_SUPPORTS_DUAL_VOLT;

- /* This driver only supports 1 slot */
- pdata->nr_slots = 1;
pdata->switch_pin = cd_gpio;
pdata->gpio_wp = wp_gpio;

@@ -2068,11 +2061,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
return -ENXIO;
}

- if (pdata->nr_slots == 0) {
- dev_err(&pdev->dev, "No Slots\n");
- return -ENXIO;
- }
-
res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq = platform_get_irq(pdev, 0);
if (res == NULL || irq < 0)
@@ -2095,7 +2083,6 @@ static int omap_hsmmc_probe(struct platform_device *pdev)
host->use_dma = 1;
host->dma_ch = -1;
host->irq = irq;
- host->slot_id = 0;
host->mapbase = res->start + pdata->reg_offset;
host->base = base + pdata->reg_offset;
host->power_mode = MMC_POWER_OFF;
@@ -2338,7 +2325,7 @@ static int omap_hsmmc_prepare(struct device *dev)
struct omap_hsmmc_host *host = dev_get_drvdata(dev);

if (host->suspend)
- return host->suspend(dev, host->slot_id);
+ return host->suspend(dev);

return 0;
}
@@ -2348,7 +2335,7 @@ static void omap_hsmmc_complete(struct device *dev)
struct omap_hsmmc_host *host = dev_get_drvdata(dev);

if (host->resume)
- host->resume(dev, host->slot_id);
+ host->resume(dev);

}

diff --git a/include/linux/platform_data/hsmmc-omap.h b/include/linux/platform_data/hsmmc-omap.h
index 68ffec1..67bbcf0 100644
--- a/include/linux/platform_data/hsmmc-omap.h
+++ b/include/linux/platform_data/hsmmc-omap.h
@@ -38,9 +38,6 @@ struct omap_hsmmc_platform_data {
/* back-link to device */
struct device *dev;

- /* number of slots per controller */
- unsigned nr_slots:2;
-
/* set if your board has components or wiring that limits the
* maximum frequency on the MMC bus */
unsigned int max_freq;
@@ -79,15 +76,12 @@ struct omap_hsmmc_platform_data {
int switch_pin; /* gpio (card detect) */
int gpio_wp; /* gpio (write protect) */

- int (*set_power)(struct device *dev, int slot,
- int power_on, int vdd);
- void (*remux)(struct device *dev, int slot, int power_on);
+ int (*set_power)(struct device *dev, int power_on, int vdd);
+ void (*remux)(struct device *dev, int power_on);
/* Call back before enabling / disabling regulators */
- void (*before_set_reg)(struct device *dev, int slot,
- int power_on, int vdd);
+ void (*before_set_reg)(struct device *dev, int power_on, int vdd);
/* Call back after enabling / disabling regulators */
- void (*after_set_reg)(struct device *dev, int slot,
- int power_on, int vdd);
+ void (*after_set_reg)(struct device *dev, int power_on, int vdd);
/* if we have special card, init it using this callback */
void (*init_card)(struct mmc_card *card);

--
2.1.1