On 03/02/2012 11:15 AM, Seungwon Jeon wrote:
> Jaehoon Chung <jh80.ch...@samsung.com> wrote:
>> 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?
> I mean "sc->cur_clk = ptr" can be removed here.
I think that can remove "sc->cur_clk = ptr" at first time.
But in sdhci_s3c_set_clock(), it's used for selecting the new clock sources.
(If my understanding is wrong, i will also check this.)
Best Regards,
Jaehoon Chung
> And about quirks..., I think compatibility should be considered.
>
> Thanks,
> Seungwon Jeon.
>>
>> 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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