On 07/08/17 19:01, Kishon Vijay Abraham I wrote:
> Add callback to set bus mode in sdhci library so that the
> controller driver can perform any bus mode specific configurations
> in the callback function.
A quirk isn't needed. Just hook ->set_ios() e.g.
host->mmc_host_ops.set_ios = sdhci_omap_set_ios;
Then sdhci_omap_set_ios() can call sdhci_set_ios() and then do the bus mode
setting.
>
> Signed-off-by: Kishon Vijay Abraham I <kishon@xxxxxx>
> ---
> drivers/mmc/host/sdhci.c | 3 +++
> drivers/mmc/host/sdhci.h | 1 +
> 2 files changed, 4 insertions(+)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index fff0baadbc3e..d5050ec42481 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -1747,6 +1747,9 @@ void sdhci_set_ios(struct mmc_host *mmc, struct mmc_ios *ios)
> if (host->quirks & SDHCI_QUIRK_RESET_CMD_DATA_ON_IOS)
> sdhci_do_reset(host, SDHCI_RESET_CMD | SDHCI_RESET_DATA);
>
> + if (host->ops->set_bus_mode)
> + host->ops->set_bus_mode(host, ios->bus_mode);
> +
> mmiowb();
> }
> EXPORT_SYMBOL_GPL(sdhci_set_ios);
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index d778034e324d..39c7a2723906 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -583,6 +583,7 @@ struct sdhci_ops {
> void (*adma_workaround)(struct sdhci_host *host, u32 intmask);
> void (*card_event)(struct sdhci_host *host);
> void (*voltage_switch)(struct sdhci_host *host);
> + void (*set_bus_mode)(struct sdhci_host *host, unsigned int mode);
> };
>
> #ifdef CONFIG_MMC_SDHCI_IO_ACCESSORS
>
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