Hi Jaehoon,
Thank you for the patch.
Could you check comments below?
Jaehoon Chung <jh80.chung@xxxxxxxxxxx> wrote:
> This patch is change to use the sdhci-pltfm.c
>
> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> ---
> 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?
> 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)
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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