Re: [PATCH 4/4] mmc: dw_mmc: exynos: use common_caps

Jaehoon Chung
2021-11-25T23:39:56Z

On 11/25/21 3:46 AM, John Keeping wrote:
> Move the common MMC_CAP_CMD23 capability to common_caps so that only the
> special case of MMC_CAP_1_8V_DDR and MMC_CAP_8_BIT_DATA are set via
> caps/num_caps. Both of those can, and should, be set via device tree
> properties instead, so we can now say that exynos_dwmmc_caps is only
> used for backwards compatibility.
>
> Signed-off-by: John Keeping <john@metanate.com>

Reviewed-by: Jaehoon Chung <jh80.chung@samsung.com>

Added minor comment..

> ---
> drivers/mmc/host/dw_mmc-exynos.c | 9 +++++----
> 1 file changed, 5 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/host/dw_mmc-exynos.c b/drivers/mmc/host/dw_mmc-exynos.c
> index c2dd29ef45c6..f76eeeb0cc53 100644
> --- a/drivers/mmc/host/dw_mmc-exynos.c
> +++ b/drivers/mmc/host/dw_mmc-exynos.c
> @@ -526,15 +526,16 @@ static int dw_mci_exynos_prepare_hs400_tuning(struct dw_mci *host,
>
> /* Common capabilities of Exynos4/Exynos5 SoC */
> static unsigned long exynos_dwmmc_caps[4] = {
> - MMC_CAP_1_8V_DDR | MMC_CAP_8_BIT_DATA | MMC_CAP_CMD23,
> - MMC_CAP_CMD23,
> - MMC_CAP_CMD23,
> - MMC_CAP_CMD23,
> + MMC_CAP_1_8V_DDR | MMC_CAP_8_BIT_DATA,
> + 0,
> + 0,
> + 0,
> };

It can be removed all things.

Best Regards,
Jaehoon Chung

>
> static const struct dw_mci_drv_data exynos_drv_data = {
> .caps = exynos_dwmmc_caps,
> .num_caps = ARRAY_SIZE(exynos_dwmmc_caps),
> + .common_caps = MMC_CAP_CMD23,
> .init = dw_mci_exynos_priv_init,
> .set_ios = dw_mci_exynos_set_ios,
> .parse_dt = dw_mci_exynos_parse_dt,
>