Hi Mr, Seungwon.
Do you have any opinion about this patch and others?
If you have, let me know, plz.
Best Regards,
Jaehoon Chung
On 11/08/2012 05:35 PM, Jaehoon Chung wrote:
> To ensure the stable clock need to enable before set the DW_MMC_CARD_NEED_INIT flag.
> If set DW_MMC_CARD_NEED_INIT flag, wait for 80-clock before first command after power-up.
>
> Signed-off-by: Jaehoon Chung <jh80.chung@xxxxxxxxxxx>
> Signed-off-by: Kyungmin Park <kyungmin.park@xxxxxxxxxxx>
> Acked-by: Seungwon Jeon <tgih.jun@xxxxxxxxxxx>
> ---
> Changelog v2-v3:
> - Modified the commit-message
> drivers/mmc/host/dw_mmc.c | 6 +++---
> 1 files changed, 3 insertions(+), 3 deletions(-)
> ---
> diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
> index c0667c8..a1369aa 100644
> --- a/drivers/mmc/host/dw_mmc.c
> +++ b/drivers/mmc/host/dw_mmc.c
> @@ -683,9 +683,6 @@ static void __dw_mci_start_request(struct dw_mci *host,
> if (host->pdata->select_slot)
> host->pdata->select_slot(slot->id);
>
> - /* Slot specific timing and width adjustment */
> - dw_mci_setup_bus(slot);
> -
> host->cur_slot = slot;
> host->mrq = mrq;
>
> @@ -812,6 +809,9 @@ static void dw_mci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
> if (drv_data && drv_data->set_ios)
> drv_data->set_ios(slot->host, ios);
>
> + /* Slot specific timing and width adjustment */
> + dw_mci_setup_bus(slot);
> +
> switch (ios->power_mode) {
> case MMC_POWER_UP:
> set_bit(DW_MMC_CARD_NEED_INIT, &slot->flags);
>
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