Re: [PATCH] mmc: host: sdhci-sprd: Set the missing MMC_CAP_WAIT_WHILE_BUSY flag

From: Ulf Hansson
Date: Wed Mar 04 2020 - 10:35:22 EST


On Mon, 24 Feb 2020 at 10:09, Baolin Wang <baolin.wang7@xxxxxxxxx> wrote:
>
> The Spreadtrum host controller supports HW busy detection for I/O
> operations, which means when the host gets a transfer complete event,

I assume HW busy detection also works for R1B commands, so I am adding
that information to changelog to clarify this.

Please have a look at the next branch to see that it looks good to you.

> that always indicates the busy signal is released. Thus we can set
> the MMC_CAP_WAIT_WHILE_BUSY flag to remove some redundant software
> busy polling.
>
> Signed-off-by: Baolin Wang <baolin.wang7@xxxxxxxxx>

So, applied for next, thanks!

Kind regards
Uffe


> ---
> drivers/mmc/host/sdhci-sprd.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci-sprd.c b/drivers/mmc/host/sdhci-sprd.c
> index d346223..2ab42c5 100644
> --- a/drivers/mmc/host/sdhci-sprd.c
> +++ b/drivers/mmc/host/sdhci-sprd.c
> @@ -556,7 +556,7 @@ static int sdhci_sprd_probe(struct platform_device *pdev)
> sdhci_sprd_voltage_switch;
>
> host->mmc->caps = MMC_CAP_SD_HIGHSPEED | MMC_CAP_MMC_HIGHSPEED |
> - MMC_CAP_ERASE | MMC_CAP_CMD23;
> + MMC_CAP_ERASE | MMC_CAP_CMD23 | MMC_CAP_WAIT_WHILE_BUSY;
> ret = mmc_of_parse(host->mmc);
> if (ret)
> goto pltfm_free;
> --
> 1.9.1
>