On 02/29/2012 03:33 PM, Seungwon Jeon wrote:
> Hi Jaehoon,
>
> Thank you for the patch.
> Could you check comments below?
>
> Jaehoon Chung <jh80.ch...@samsung.com> wrote:
>> This patch is change to use the sdhci-pltfm.c
>>
>> Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
>> Signed-off-by: Kyungmin Park <kyungmin.p...@samsung.com>
>> ---
>> drivers/mmc/host/Kconfig | 20 ++--
>> drivers/mmc/host/sdhci-s3c.c | 254
>> ++++++++++++++----------------------------
>> 2 files changed, 95 insertions(+), 179 deletions(-)
>>
>> diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig
>> index 0c9b3b1..21ea0ba 100644
>> --- a/drivers/mmc/host/Kconfig
>> +++ b/drivers/mmc/host/Kconfig
>> @@ -169,6 +169,8 @@ config MMC_SDHCI_TEGRA
>> config MMC_SDHCI_S3C
>> tristate "SDHCI support on Samsung S3C SoC"
>> depends on MMC_SDHCI && PLAT_SAMSUNG
>> + depends on MMC_SDHCI_PLTFM
>> + select MMC_SDHCI_IO_ACCESSORS
>> help
>> This selects the Secure Digital Host Controller Interface (SDHCI)
>> often referrered to as the HSMMC block in some of the Samsung S3C
>> @@ -181,6 +183,14 @@ config MMC_SDHCI_S3C
>>
>> If unsure, say N.
>>
>> +config MMC_SDHCI_S3C_DMA
>> + bool "DMA support on S3C SDHCI"
>> + depends on MMC_SDHCI_S3C && EXPERIMENTAL
>> + help
>> + Enable DMA support on the Samsung S3C SDHCI glue. The DMA
>> + has proved to be problematic if the controller encounters
>> + certain errors, and thus should be treated with care.
>> +
>> config MMC_SDHCI_PXAV3
>> tristate "Marvell MMP2 SD Host Controller support (PXAV3)"
>> depends on CLKDEV_LOOKUP
>> @@ -219,16 +229,6 @@ config MMC_SDHCI_SPEAR
>>
>> If unsure, say N.
>>
>> -config MMC_SDHCI_S3C_DMA
>> - bool "DMA support on S3C SDHCI"
>> - depends on MMC_SDHCI_S3C && EXPERIMENTAL
>> - help
>> - Enable DMA support on the Samsung S3C SDHCI glue. The DMA
>> - has proved to be problematic if the controller encounters
>> - certain errors, and thus should be treated with care.
>> -
>> - YMMV.
>> -
>> config MMC_OMAP
>> tristate "TI OMAP Multimedia Card Interface support"
>> depends on ARCH_OMAP
>> diff --git a/drivers/mmc/host/sdhci-s3c.c b/drivers/mmc/host/sdhci-s3c.c
>> index 3bf509b..0778c38 100644
>> --- a/drivers/mmc/host/sdhci-s3c.c
>> +++ b/drivers/mmc/host/sdhci-s3c.c
>> @@ -28,6 +28,7 @@
>> #include <plat/sdhci.h>
>> #include <plat/regs-sdhci.h>
>>
>> +#include "sdhci-pltfm.h"
>> #include "sdhci.h"
>>
>> #define MAX_BUS_CLK (4)
>> @@ -46,9 +47,7 @@
>> * @clk_bus: The clocks that are available for the SD/MMC bus clock.
>> */
>> struct sdhci_s3c {
>> - struct sdhci_host *host;
>> struct platform_device *pdev;
>> - struct resource *ioarea;
>> struct s3c_sdhci_platdata *pdata;
>> unsigned int cur_clk;
>> int ext_cd_irq;
>> @@ -71,11 +70,6 @@ struct sdhci_s3c_drv_data {
>> unsigned int sdhci_quirks;
>> };
>>
>> -static inline struct sdhci_s3c *to_s3c(struct sdhci_host *host)
>> -{
>> - return sdhci_priv(host);
>> -}
>> -
>> /**
>> * get_curclk - convert ctrl2 register to clock source number
>> * @ctrl2: Control2 register value.
>> @@ -90,7 +84,8 @@ static u32 get_curclk(u32 ctrl2)
>>
>> static void sdhci_s3c_check_sclk(struct sdhci_host *host)
>> {
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> + struct sdhci_s3c *ourhost = pltfm_host->priv;
>> u32 tmp = readl(host->ioaddr + S3C_SDHCI_CONTROL2);
>>
>> if (get_curclk(tmp) != ourhost->cur_clk) {
>> @@ -110,7 +105,8 @@ static void sdhci_s3c_check_sclk(struct sdhci_host *host)
>> */
>> static unsigned int sdhci_s3c_get_max_clk(struct sdhci_host *host)
>> {
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> + struct sdhci_s3c *ourhost = pltfm_host->priv;
>> struct clk *busclk;
>> unsigned int rate, max;
>> int clk;
>> @@ -138,11 +134,13 @@ static unsigned int sdhci_s3c_get_max_clk(struct
>> sdhci_host *host)
>> * @src: The source clock index.
>> * @wanted: The clock frequency wanted.
>> */
>> -static unsigned int sdhci_s3c_consider_clock(struct sdhci_s3c *ourhost,
>> +static unsigned int sdhci_s3c_consider_clock(struct sdhci_host *host,
>> unsigned int src,
>> unsigned int wanted)
>> {
>> unsigned long rate;
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> + struct sdhci_s3c *ourhost = pltfm_host->priv;
>> struct clk *clksrc = ourhost->clk_bus[src];
>> int div;
>>
>> @@ -153,7 +151,7 @@ static unsigned int sdhci_s3c_consider_clock(struct
>> sdhci_s3c *ourhost,
>> * If controller uses a non-standard clock division, find the best clock
>> * speed possible with selected clock source and skip the division.
>> */
>> - if (ourhost->host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) {
>> + if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK) {
>> rate = clk_round_rate(clksrc, wanted);
>> return wanted - rate;
>> }
>> @@ -181,7 +179,8 @@ static unsigned int sdhci_s3c_consider_clock(struct
>> sdhci_s3c *ourhost,
>> */
>> static void sdhci_s3c_set_clock(struct sdhci_host *host, unsigned int clock)
>> {
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> + struct sdhci_s3c *ourhost = pltfm_host->priv;
>> unsigned int best = UINT_MAX;
>> unsigned int delta;
>> int best_src = 0;
>> @@ -193,7 +192,7 @@ static void sdhci_s3c_set_clock(struct sdhci_host *host,
>> unsigned int clock)
>> return;
>>
>> for (src = 0; src < MAX_BUS_CLK; src++) {
>> - delta = sdhci_s3c_consider_clock(ourhost, src, clock);
>> + delta = sdhci_s3c_consider_clock(host, src, clock);
>> if (delta < best) {
>> best = delta;
>> best_src = src;
>> @@ -251,12 +250,11 @@ static void sdhci_s3c_set_clock(struct sdhci_host
>> *host, unsigned int clock)
>> */
>> static unsigned int sdhci_s3c_get_min_clock(struct sdhci_host *host)
>> {
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> unsigned int delta, min = UINT_MAX;
>> int src;
>>
>> for (src = 0; src < MAX_BUS_CLK; src++) {
>> - delta = sdhci_s3c_consider_clock(ourhost, src, 0);
>> + delta = sdhci_s3c_consider_clock(host, src, 0);
>> if (delta == UINT_MAX)
>> continue;
>> /* delta is a negative value in this case */
>> @@ -269,27 +267,26 @@ static unsigned int sdhci_s3c_get_min_clock(struct
>> sdhci_host *host)
>> /* sdhci_cmu_get_max_clk - callback to get maximum clock frequency.*/
>> static unsigned int sdhci_cmu_get_max_clock(struct sdhci_host *host)
>> {
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>>
>> - return clk_round_rate(ourhost->clk_bus[ourhost->cur_clk], UINT_MAX);
>> + return clk_round_rate(pltfm_host->clk, UINT_MAX);
>> }
>>
>> /* sdhci_cmu_get_min_clock - callback to get minimal supported clock value.
>> */
>> static unsigned int sdhci_cmu_get_min_clock(struct sdhci_host *host)
>> {
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> -
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> /*
>> * initial clock can be in the frequency range of
>> * 100KHz-400KHz, so we set it as max value.
>> */
>> - return clk_round_rate(ourhost->clk_bus[ourhost->cur_clk], 400000);
>> + return clk_round_rate(pltfm_host->clk, 400000);
>> }
>>
>> /* sdhci_cmu_set_clock - callback on clock change.*/
>> static void sdhci_cmu_set_clock(struct sdhci_host *host, unsigned int clock)
>> {
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> unsigned long timeout;
>> u16 clk = 0;
>>
>> @@ -299,7 +296,7 @@ static void sdhci_cmu_set_clock(struct sdhci_host *host,
>> unsigned int clock)
>>
>> sdhci_s3c_set_clock(host, clock);
>>
>> - clk_set_rate(ourhost->clk_bus[ourhost->cur_clk], clock);
>> + clk_set_rate(pltfm_host->clk, clock);
>>
>> host->clock = clock;
>>
>> @@ -426,7 +423,8 @@ static int __devinit sdhci_s3c_parse_dt(struct device
>> *dev,
>> struct sdhci_host *host, struct s3c_sdhci_platdata *pdata)
>> {
>> struct device_node *node = dev->of_node;
>> - struct sdhci_s3c *ourhost = to_s3c(host);
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> + struct sdhci_s3c *ourhost = pltfm_host->priv;
>> u32 max_width;
>> int gpio, cnt, ret;
>>
>> @@ -484,6 +482,7 @@ static int __devinit sdhci_s3c_parse_dt(struct device
>> *dev,
>> dev_err(dev, "invalid gpio[%d]\n", cnt);
>> goto err_free_dt_cd_gpio;
>> }
>> + p
> Typo?
It's typo. i will remove it.
>
>> ourhost->gpios[cnt] = gpio;
>> }
>>
>> @@ -529,62 +528,60 @@ static inline struct sdhci_s3c_drv_data
>> *sdhci_s3c_get_driver_data(
>> platform_get_device_id(pdev)->driver_data;
>> }
>>
>> +static struct sdhci_pltfm_data sdhci_s3c_pdata = {
>> + .quirks = SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC |
>> + SDHCI_QUIRK_NO_HISPD_BIT | SDHCI_QUIRK_NO_BUSY_IRQ |
>> + SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12 |
>> + SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC |
>> + SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK |
>> + SDHCI_QUIRK_32BIT_DMA_ADDR | SDHCI_QUIRK_32BIT_DMA_SIZE,
>> + .ops = &sdhci_s3c_ops,
>> +};
>> +
>> static int __devinit sdhci_s3c_probe(struct platform_device *pdev)
>> {
>> - struct s3c_sdhci_platdata *pdata;
>> struct sdhci_s3c_drv_data *drv_data;
>> struct device *dev = &pdev->dev;
>> + struct sdhci_pltfm_host *pltfm_host;
>> + struct sdhci_pltfm_data *pltfm_pdata = &sdhci_s3c_pdata;
>> struct sdhci_host *host;
>> struct sdhci_s3c *sc;
>> - struct resource *res;
>> - int ret, irq, ptr, clks;
>> + int ret, ptr, clks;
>>
>> if (!pdev->dev.platform_data && !pdev->dev.of_node) {
>> dev_err(dev, "no device data specified\n");
>> return -ENOENT;
>> }
>>
>> - irq = platform_get_irq(pdev, 0);
>> - if (irq < 0) {
>> - dev_err(dev, "no irq specified\n");
>> - return irq;
>> - }
>> -
>> - res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
>> - if (!res) {
>> - dev_err(dev, "no memory specified\n");
>> - return -ENOENT;
>> - }
>> -
>> - host = sdhci_alloc_host(dev, sizeof(struct sdhci_s3c));
>> + host = sdhci_pltfm_init(pdev, pltfm_pdata);
>> if (IS_ERR(host)) {
>> dev_err(dev, "sdhci_alloc_host() failed\n");
>> return PTR_ERR(host);
>> }
>> - sc = sdhci_priv(host);
>>
>> - pdata = devm_kzalloc(&pdev->dev, sizeof(*pdata), GFP_KERNEL);
>> - if (!pdata) {
>> + sc = devm_kzalloc(dev, sizeof(struct sdhci_s3c), GFP_KERNEL);
>> + if (!sc) {
>> ret = -ENOMEM;
>> - goto err_pdata;
>> + goto err_alloc_host;
>> }
>>
>> + pltfm_host = sdhci_priv(host);
>> + pltfm_host->priv = sc;
>> +
>> if (pdev->dev.of_node) {
>> - ret = sdhci_s3c_parse_dt(&pdev->dev, host, pdata);
>> + ret = sdhci_s3c_parse_dt(&pdev->dev, host, sc->pdata);
>> if (ret)
>> - goto err_pdata;
>> + goto err_alloc_host;
>> } else {
>> - memcpy(pdata, pdev->dev.platform_data, sizeof(*pdata));
>> + memcpy(&sc->pdata, &pdev->dev.platform_data, sizeof(sc->pdata));
>> sc->ext_cd_gpio = -1; /* invalid gpio number */
>> }
>>
>> drv_data = sdhci_s3c_get_driver_data(pdev);
>> + if (drv_data)
>> + host->quirks |= drv_data->sdhci_quirks;
>>
>> - sc->host = host;
>> sc->pdev = pdev;
>> - sc->pdata = pdata;
>> -
>> - platform_set_drvdata(pdev, host);
>>
>> sc->clk_io = clk_get(dev, "hsmmc");
>> if (IS_ERR(sc->clk_io)) {
>> @@ -602,9 +599,8 @@ static int __devinit sdhci_s3c_probe(struct
>> platform_device *pdev)
>>
>> snprintf(name, 14, "mmc_busclk.%d", ptr);
>> clk = clk_get(dev, name);
>> - if (IS_ERR(clk)) {
>> + if (IS_ERR(clk))
>> continue;
>> - }
>>
>> clks++;
>> sc->clk_bus[ptr] = clk;
>> @@ -613,7 +609,10 @@ static int __devinit sdhci_s3c_probe(struct
>> platform_device *pdev)
>> * save current clock index to know which clock bus
>> * is used later in overriding functions.
>> */
>> - sc->cur_clk = ptr;
>> + if (host->quirks & SDHCI_QUIRK_NONSTANDARD_CLOCK)
>> + pltfm_host->clk = clk;
>> + else
> We need to keep below?
> According to two commits, this seems to be relevant to
> SDHCI_QUIRK_NONSTANDARD_CLOCK.
> mmc: sdhci-s3c: Support controllers with no internal clock
> divider(253e0a7c3dc4b)
> mmc: sdhci-s3c: Remove usage of clk_type member in platform
> data(b77d777eeb0a086)
Right, it's related with them.
I want to remove the sc->cur_clk.But in c110 case, it seems to need them.
In c110, clk_src is used the one of four.
If you want to remove the quirks, i will use only sc->cur_clk.
How about this?
And any comment?
Best Regards,
Jaehoon Chung
>
> Thanks,
> Seungwon Jeon.
>
>> + sc->cur_clk = ptr;
>>
>> clk_enable(clk);
>>
>> @@ -627,63 +626,25 @@ static int __devinit sdhci_s3c_probe(struct
>> platform_device *pdev)
>> goto err_no_busclks;
>> }
>>
>> - sc->ioarea = request_mem_region(res->start, resource_size(res),
>> - mmc_hostname(host->mmc));
>> - if (!sc->ioarea) {
>> - dev_err(dev, "failed to reserve register area\n");
>> - ret = -ENXIO;
>> - goto err_req_regs;
>> - }
>> -
>> - host->ioaddr = ioremap_nocache(res->start, resource_size(res));
>> - if (!host->ioaddr) {
>> - dev_err(dev, "failed to map registers\n");
>> - ret = -ENXIO;
>> - goto err_req_regs;
>> - }
>> -
>> /* Ensure we have minimal gpio selected CMD/CLK/Detect */
>> - if (pdata->cfg_gpio)
>> - pdata->cfg_gpio(pdev, pdata->max_width);
>> -
>> - host->hw_name = "samsung-hsmmc";
>> - host->ops = &sdhci_s3c_ops;
>> - host->quirks = 0;
>> - host->irq = irq;
>> -
>> - /* Setup quirks for the controller */
>> - host->quirks |= SDHCI_QUIRK_NO_ENDATTR_IN_NOPDESC;
>> - host->quirks |= SDHCI_QUIRK_NO_HISPD_BIT;
>> - if (drv_data)
>> - host->quirks |= drv_data->sdhci_quirks;
>> + if (sc->pdata->cfg_gpio)
>> + sc->pdata->cfg_gpio(pdev, sc->pdata->max_width);
>>
>> #ifndef CONFIG_MMC_SDHCI_S3C_DMA
>> -
>> /* we currently see overruns on errors, so disable the SDMA
>> * support as well. */
>> host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
>>
>> #endif /* CONFIG_MMC_SDHCI_S3C_DMA */
>>
>> - /* It seems we do not get an DATA transfer complete on non-busy
>> - * transfers, not sure if this is a problem with this specific
>> - * SDHCI block, or a missing configuration that needs to be set. */
>> - host->quirks |= SDHCI_QUIRK_NO_BUSY_IRQ;
>> -
>> - /* This host supports the Auto CMD12 */
>> - host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
>> -
>> - /* Samsung SoCs need BROKEN_ADMA_ZEROLEN_DESC */
>> - host->quirks |= SDHCI_QUIRK_BROKEN_ADMA_ZEROLEN_DESC;
>> -
>> - if (pdata->cd_type == S3C_SDHCI_CD_NONE ||
>> - pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
>> + if (sc->pdata->cd_type == S3C_SDHCI_CD_NONE ||
>> + sc->pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
>> host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
>>
>> - if (pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
>> + if (sc->pdata->cd_type == S3C_SDHCI_CD_PERMANENT)
>> host->mmc->caps = MMC_CAP_NONREMOVABLE;
>>
>> - switch (pdata->max_width) {
>> + switch (sc->pdata->max_width) {
>> case 8:
>> host->mmc->caps |= MMC_CAP_8_BIT_DATA;
>> case 4:
>> @@ -691,17 +652,12 @@ static int __devinit sdhci_s3c_probe(struct
>> platform_device *pdev)
>> break;
>> }
>>
>> - if (pdata->host_caps)
>> - host->mmc->caps |= pdata->host_caps;
>> -
>> - if (pdata->pm_caps)
>> - host->mmc->pm_caps |= pdata->pm_caps;
>> -
>> - host->quirks |= (SDHCI_QUIRK_32BIT_DMA_ADDR |
>> - SDHCI_QUIRK_32BIT_DMA_SIZE);
>> + /* It supports additional host capabilities if needed */
>> + if (sc->pdata->host_caps)
>> + host->mmc->caps |= sc->pdata->host_caps;
>>
>> - /* HSMMC on Samsung SoCs uses SDCLK as timeout clock */
>> - host->quirks |= SDHCI_QUIRK_DATA_TIMEOUT_USES_SDCLK;
>> + if (sc->pdata->pm_caps)
>> + host->mmc->pm_caps |= sc->pdata->pm_caps;
>>
>> /*
>> * If controller does not have internal clock divider,
>> @@ -713,10 +669,6 @@ static int __devinit sdhci_s3c_probe(struct
>> platform_device *pdev)
>> sdhci_s3c_ops.get_max_clock = sdhci_cmu_get_max_clock;
>> }
>>
>> - /* It supports additional host capabilities if needed */
>> - if (pdata->host_caps)
>> - host->mmc->caps |= pdata->host_caps;
>> -
>> ret = sdhci_add_host(host);
>> if (ret) {
>> dev_err(dev, "sdhci_add_host() failed\n");
>> @@ -726,38 +678,35 @@ static int __devinit sdhci_s3c_probe(struct
>> platform_device *pdev)
>> /* The following two methods of card detection might call
>> sdhci_s3c_notify_change() immediately, so they can be called
>> only after sdhci_add_host(). Setup errors are ignored. */
>> - if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_init)
>> - pdata->ext_cd_init(&sdhci_s3c_notify_change);
>> - if (pdata->cd_type == S3C_SDHCI_CD_GPIO &&
>> - gpio_is_valid(pdata->ext_cd_gpio))
>> + if (sc->pdata->cd_type == S3C_SDHCI_CD_EXTERNAL &&
>> + sc->pdata->ext_cd_init)
>> + sc->pdata->ext_cd_init(&sdhci_s3c_notify_change);
>> + if (sc->pdata->cd_type == S3C_SDHCI_CD_GPIO &&
>> + gpio_is_valid(sc->pdata->ext_cd_gpio))
>> sdhci_s3c_setup_card_detect_gpio(sc);
>>
>> return 0;
>>
>> - err_add_host:
>> - release_resource(sc->ioarea);
>> - kfree(sc->ioarea);
>> -
>> - err_req_regs:
>> +err_add_host:
>> for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
>> if (sc->clk_bus[ptr]) {
>> clk_disable(sc->clk_bus[ptr]);
>> clk_put(sc->clk_bus[ptr]);
>> }
>> }
>> -
>> - err_no_busclks:
>> +err_no_busclks:
>> clk_disable(sc->clk_io);
>> clk_put(sc->clk_io);
>>
>> - err_io_clk:
>> +err_io_clk:
>> for (ptr = 0; ptr < NUM_GPIOS(sc->pdata->max_width); ptr++)
>> gpio_free(sc->gpios[ptr]);
>> - if (pdata->cd_type == S3C_SDHCI_CD_INTERNAL)
>> + if (sc->pdata->cd_type == S3C_SDHCI_CD_INTERNAL)
>> gpio_free(sc->ext_cd_gpio);
>>
>> - err_pdata:
>> - sdhci_free_host(host);
>> +err_alloc_host:
>> + sdhci_pltfm_free(pdev);
>> + dev_err(&pdev->dev, "%s failed %d\n", __func__, ret);
>>
>> return ret;
>> }
>> @@ -765,12 +714,13 @@ static int __devinit sdhci_s3c_probe(struct
>> platform_device *pdev)
>> static int __devexit sdhci_s3c_remove(struct platform_device *pdev)
>> {
>> struct sdhci_host *host = platform_get_drvdata(pdev);
>> - struct sdhci_s3c *sc = sdhci_priv(host);
>> - struct s3c_sdhci_platdata *pdata = sc->pdata;
>> - int ptr;
>> + struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
>> + struct sdhci_s3c *sc = pltfm_host->priv;
>> + int ptr, ret;
>>
>> - if (pdata->cd_type == S3C_SDHCI_CD_EXTERNAL && pdata->ext_cd_cleanup)
>> - pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
>> + if (sc->pdata->cd_type == S3C_SDHCI_CD_EXTERNAL &&
>> + sc->pdata->ext_cd_cleanup)
>> + sc->pdata->ext_cd_cleanup(&sdhci_s3c_notify_change);
>>
>> if (sc->ext_cd_irq)
>> free_irq(sc->ext_cd_irq, sc);
>> @@ -778,9 +728,9 @@ static int __devexit sdhci_s3c_remove(struct
>> platform_device *pdev)
>> if (gpio_is_valid(sc->ext_cd_gpio))
>> gpio_free(sc->ext_cd_gpio);
>>
>> - sdhci_remove_host(host, 1);
>> + ret = sdhci_pltfm_unregister(pdev);
>>
>> - for (ptr = 0; ptr < 3; ptr++) {
>> + for (ptr = 0; ptr < MAX_BUS_CLK; ptr++) {
>> if (sc->clk_bus[ptr]) {
>> clk_disable(sc->clk_bus[ptr]);
>> clk_put(sc->clk_bus[ptr]);
>> @@ -789,48 +739,14 @@ static int __devexit sdhci_s3c_remove(struct
>> platform_device *pdev)
>> clk_disable(sc->clk_io);
>> clk_put(sc->clk_io);
>>
>> - iounmap(host->ioaddr);
>> - release_resource(sc->ioarea);
>> - kfree(sc->ioarea);
>> -
>> if (pdev->dev.of_node) {
>> for (ptr = 0; ptr < NUM_GPIOS(sc->pdata->max_width); ptr++)
>> gpio_free(sc->gpios[ptr]);
>> }
>>
>> - sdhci_free_host(host);
>> - platform_set_drvdata(pdev, NULL);
>> -
>> - return 0;
>> -}
>> -
>> -#ifdef CONFIG_PM
>> -
>> -static int sdhci_s3c_suspend(struct device *dev)
>> -{
>> - struct sdhci_host *host = dev_get_drvdata(dev);
>> -
>> - return sdhci_suspend_host(host);
>> -}
>> -
>> -static int sdhci_s3c_resume(struct device *dev)
>> -{
>> - struct sdhci_host *host = dev_get_drvdata(dev);
>> -
>> - return sdhci_resume_host(host);
>> + return ret;
>> }
>>
>> -static const struct dev_pm_ops sdhci_s3c_pmops = {
>> - .suspend = sdhci_s3c_suspend,
>> - .resume = sdhci_s3c_resume,
>> -};
>> -
>> -#define SDHCI_S3C_PMOPS (&sdhci_s3c_pmops)
>> -
>> -#else
>> -#define SDHCI_S3C_PMOPS NULL
>> -#endif
>> -
>> #if defined(CONFIG_CPU_EXYNOS4210) || defined(CONFIG_SOC_EXYNOS4212)
>> static struct sdhci_s3c_drv_data exynos4_sdhci_drv_data = {
>> .sdhci_quirks = SDHCI_QUIRK_NONSTANDARD_CLOCK,
>> @@ -870,7 +786,7 @@ static struct platform_driver sdhci_s3c_driver = {
>> .owner = THIS_MODULE,
>> .name = "s3c-sdhci",
>> .of_match_table = of_match_ptr(sdhci_s3c_dt_match),
>> - .pm = SDHCI_S3C_PMOPS,
>> + .pm = SDHCI_PLTFM_PMOPS,
>> },
>> };
>>
>> --
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