On 01/28/2014 09:53 PM, Seungwon Jeon wrote:
> On Tue, January 28, 2014, Jaehoon Chung wrote:
>> mmc_of_parse() have been already parsed the general capability.
>> Didn't need to use the local parser.
>>
>> Signed-off-by: Jaehoon Chung <jh80.ch...@samsung.com>
>> ---
>> Changelog V2:
>> - None
>>
>> drivers/mmc/core/host.c | 4 ++--
>> drivers/mmc/host/dw_mmc.c | 49
>> +--------------------------------------------
>> 2 files changed, 3 insertions(+), 50 deletions(-)
>>
>> diff --git a/drivers/mmc/core/host.c b/drivers/mmc/core/host.c
>> index 5a82e81..4b81c93 100644
>> --- a/drivers/mmc/core/host.c
>> +++ b/drivers/mmc/core/host.c
>> @@ -429,9 +429,9 @@ int mmc_of_parse(struct mmc_host *host)
>> host->pm_caps |= MMC_PM_KEEP_POWER;
>> if (of_find_property(np, "enable-sdio-wakeup", &len))
>> host->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
>> - if (of_find_property(np, "mmc-hs200-1_8v", NULL))
>> + if (of_find_property(np, "mmc-hs200-1_8v", &len))
>> host->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
>> - if (of_find_property(np, "mmc-hs200-1_2v", NULL))
>> + if (of_find_property(np, "mmc-hs200-1_2v", &len))
>> host->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
>>
>> return 0;
>> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
>> index 55cd110..8193e21 100644
>> --- a/drivers/mmc/host/dw_mmc.c
>> +++ b/drivers/mmc/host/dw_mmc.c
>> @@ -2046,21 +2046,6 @@ static int dw_mci_of_get_slot_quirks(struct device
>> *dev, u8 slot)
>> return quirks;
>> }
>>
>> -/* find out bus-width for a given slot */
>> -static u32 dw_mci_of_get_bus_wd(struct device *dev, u8 slot)
>> -{
>> - struct device_node *np = dw_mci_of_find_slot_node(dev, slot);
>> - u32 bus_wd = 1;
>> -
>> - if (!np)
>> - return 1;
>> -
>> - if (of_property_read_u32(np, "bus-width", &bus_wd))
>> - dev_err(dev, "bus-width property not found, assuming width"
>> - " as 1\n");
>> - return bus_wd;
>> -}
>> -
>> /* find the write protect gpio for a given slot; or -1 if none specified */
>> static int dw_mci_of_get_wp_gpio(struct device *dev, u8 slot)
>> {
>> @@ -2108,10 +2093,6 @@ static int dw_mci_of_get_slot_quirks(struct device
>> *dev, u8 slot)
>> {
>> return 0;
>> }
>> -static u32 dw_mci_of_get_bus_wd(struct device *dev, u8 slot)
>> -{
>> - return 1;
>> -}
>> static struct device_node *dw_mci_of_find_slot_node(struct device *dev, u8
>> slot)
>> {
>> return NULL;
>> @@ -2134,7 +2115,6 @@ static int dw_mci_init_slot(struct dw_mci *host,
>> unsigned int id)
>> const struct dw_mci_drv_data *drv_data = host->drv_data;
>> int ctrl_id, ret;
>> u32 freq[2];
>> - u8 bus_width;
>>
>> mmc = mmc_alloc_host(sizeof(struct dw_mci_slot), host->dev);
>> if (!mmc)
>> @@ -2189,19 +2169,7 @@ static int dw_mci_init_slot(struct dw_mci *host,
>> unsigned int id)
>> if (host->pdata->caps2)
>> mmc->caps2 = host->pdata->caps2;
>>
>> - if (host->pdata->get_bus_wd)
>> - bus_width = host->pdata->get_bus_wd(slot->id);
>> - else if (host->dev->of_node)
>> - bus_width = dw_mci_of_get_bus_wd(host->dev, slot->id);
>> - else
>> - bus_width = 1;
>> -
>> - switch (bus_width) {
>> - case 8:
>> - mmc->caps |= MMC_CAP_8_BIT_DATA;
>> - case 4:
>> - mmc->caps |= MMC_CAP_4_BIT_DATA;
>> - }
>> + mmc_of_parse(mmc);
>>
>> if (host->pdata->blk_settings) {
>> mmc->max_segs = host->pdata->blk_settings->max_segs;
>> @@ -2399,24 +2367,9 @@ static struct dw_mci_board *dw_mci_parse_dt(struct
>> dw_mci *host)
>> return ERR_PTR(ret);
>> }
>>
>> - if (of_find_property(np, "keep-power-in-suspend", NULL))
>> - pdata->pm_caps |= MMC_PM_KEEP_POWER;
>> -
>> - if (of_find_property(np, "enable-sdio-wakeup", NULL))
>> - pdata->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
>> -
>> if (of_find_property(np, "supports-highspeed", NULL))
>> pdata->caps |= MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED;
>>
>> - if (of_find_property(np, "caps2-mmc-hs200-1_8v", NULL))
>> - pdata->caps2 |= MMC_CAP2_HS200_1_8V_SDR;
>> -
>> - if (of_find_property(np, "caps2-mmc-hs200-1_2v", NULL))
>> - pdata->caps2 |= MMC_CAP2_HS200_1_2V_SDR;
> Can you remove caps2-mmc-hs200-1_8v and caps2-mmc-hs200-1_2v in
> Documentation(synopsys-dw-mshc.txt)?
Sure, I will remove that.
Best Regards,
Jaehoon Chung
>
> Thanks,
> Seungwon Jeon
>> -
>> - if (of_get_property(np, "cd-inverted", NULL))
>> - pdata->caps2 |= MMC_CAP2_CD_ACTIVE_HIGH;
>> -
>> return pdata;
>> }
>>
>> --
>> 1.7.9.5
>> --
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>
>
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