Re: [PATCH 2/4] mmc: sdhci-omap: Add variable to indicate host is tuning
From: Ulf Hansson
Date: Mon Nov 19 2018 - 08:19:30 EST
On 19 November 2018 at 12:16, Faiz Abbas <faiz_abbas@xxxxxx> wrote:
> Add a variable in sdhc_omap_host to indicate whether a tuning
> operation is ongoing.
>
> Signed-off-by: Faiz Abbas <faiz_abbas@xxxxxx>
Please squash this into patch3 as it seems a bit silly to keep this a
separate change.
Kind regards
Uffe
> ---
> drivers/mmc/host/sdhci-omap.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c
> index 87138067e334..cfffcf58be3f 100644
> --- a/drivers/mmc/host/sdhci-omap.c
> +++ b/drivers/mmc/host/sdhci-omap.c
> @@ -115,6 +115,7 @@ struct sdhci_omap_host {
>
> struct pinctrl *pinctrl;
> struct pinctrl_state **pinctrl_state;
> + bool is_tuning;
> };
>
> static void sdhci_omap_start_clock(struct sdhci_omap_host *omap_host);
> @@ -318,6 +319,8 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode)
> */
> host->ier &= ~SDHCI_INT_DATA_CRC;
>
> + omap_host->is_tuning = true;
> +
> while (phase_delay <= MAX_PHASE_DELAY) {
> sdhci_omap_set_dll(omap_host, phase_delay);
>
> @@ -355,9 +358,12 @@ static int sdhci_omap_execute_tuning(struct mmc_host *mmc, u32 opcode)
> phase_delay = max_window + 4 * (max_len >> 1);
> sdhci_omap_set_dll(omap_host, phase_delay);
>
> + omap_host->is_tuning = false;
> +
> goto ret;
>
> tuning_error:
> + omap_host->is_tuning = false;
> dev_err(dev, "Tuning failed\n");
> sdhci_omap_disable_tuning(omap_host);
>
> --
> 2.19.1
>