Hi Jaehoon,
On Mon, May 26, 2014, Jaehoon Chung wrote:
> dw-mmc controller have the multiple slot.
Have -> has?
> Then it needs to parse the property for each slot.
>
> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> ---
> Changelog V2:
> - None
>
> drivers/mmc/host/dw_mmc.c | 25 ++++++-------------------
> 1 file changed, 6 insertions(+), 19 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index 1ac227c..d4800f8 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -1015,12 +1015,11 @@ static int dw_mci_get_cd(struct mmc_host *mmc)
> {
> int present;
> struct dw_mci_slot *slot = mmc_priv(mmc);
> - struct dw_mci_board *brd = slot->host->pdata;
> struct dw_mci *host = slot->host;
> int gpio_cd = mmc_gpio_get_cd(mmc);
>
> /* Use platform get_cd function, else try onboard card detect */
> - if (brd->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
> + if (slot->quirks & DW_MCI_QUIRK_BROKEN_CARD_DETECTION)
> present = 1;
> else if (!IS_ERR_VALUE(gpio_cd))
> present = gpio_cd;
> @@ -2010,6 +2009,9 @@ static struct dw_mci_of_slot_quirks {
> {
> .quirk = "disable-wp",
> .id = DW_MCI_SLOT_QUIRK_NO_WRITE_PROTECT,
> + }, {
> + .quirk = "broken-cd",
> + .id = DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
> },
> };
>
> @@ -2088,7 +2090,7 @@ static int dw_mci_init_slot(struct dw_mci *host, unsigned int id)
> if (host->pdata->caps2)
> mmc->caps2 = host->pdata->caps2;
>
> - mmc_of_parse(mmc);
> + __mmc_of_parse(mmc, dw_mci_of_find_slot_node(host->dev, slot->id));
>
> if (host->pdata->blk_settings) {
> mmc->max_segs = host->pdata->blk_settings->max_segs;
> @@ -2231,23 +2233,13 @@ static inline bool dw_mci_ctrl_all_reset(struct dw_mci *host)
> }
>
> #ifdef CONFIG_OF
> -static struct dw_mci_of_quirks {
> - char *quirk;
> - int id;
> -} of_quirks[] = {
> - {
> - .quirk = "broken-cd",
> - .id = DW_MCI_QUIRK_BROKEN_CARD_DETECTION,
> - },
> -};
> -
Moving broken-cd to slot_quirks is reasonable.
But I think of_quirks should be kept and we can add right quirks.
In cae of DW_MCI_QUIRK_IDMAC_DTO and DW_MCI_QUIRK_RETRY_DELAY,
we can handle those with dw_mci_of_quirks although we didn't add.
> static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
> {
> struct dw_mci_board *pdata;
> struct device *dev = host->dev;
> struct device_node *np = dev->of_node;
> const struct dw_mci_drv_data *drv_data = host->drv_data;
> - int idx, ret;
> + int ret;
> u32 clock_frequency;
>
> pdata = devm_kzalloc(dev, sizeof(*pdata), GFP_KERNEL);
> @@ -2264,11 +2256,6 @@ static struct dw_mci_board *dw_mci_parse_dt(struct dw_mci *host)
> pdata->num_slots = 1;
> }
>
> - /* get quirks */
> - for (idx = 0; idx < ARRAY_SIZE(of_quirks); idx++)
> - if (of_get_property(np, of_quirks[idx].quirk, NULL))
> - pdata->quirks |= of_quirks[idx].id;
> -
Same as above.
Thanks,
Seungwon Jeon
> if (of_property_read_u32(np, "fifo-depth", &pdata->fifo_depth))
> dev_info(dev, "fifo-depth property not found, using "
> "value of FIFOTH register as default\n");
> --
> 1.7.9.5
>
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