[PATCH v2 2/3] mmc: sdhci: not return error when SDMA is not supported
Minkyu Kang
mk7.kang at samsung.com
Fri Feb 21 06:50:39 CET 2020
On 18/02/2020 10:25, Jaehoon Chung wrote:
> If Host controller doesn't support SDMA, it doesn't need to return
> error. Because it can be worked with PIO mode.
>
> Signed-off-by: Jaehoon Chung <jh80.chung at samsung.com>
> Reviewed-by: Peng Fan <peng.fan at nxp.com>
> ---
> Changelog on V2
> - Keep printf message instead of debug
>
> drivers/mmc/sdhci.c | 7 +++----
> 1 file changed, 3 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/mmc/sdhci.c b/drivers/mmc/sdhci.c
> index 93c9049c5d..40bf2a5b2c 100644
> --- a/drivers/mmc/sdhci.c
> +++ b/drivers/mmc/sdhci.c
> @@ -729,13 +729,12 @@ int sdhci_setup_cfg(struct mmc_config *cfg, struct sdhci_host *host,
> debug("%s, caps: 0x%x\n", __func__, caps);
>
> #ifdef CONFIG_MMC_SDHCI_SDMA
> - if (!(caps & SDHCI_CAN_DO_SDMA)) {
> + if ((caps & SDHCI_CAN_DO_SDMA)) {
seems to redundant braces
> + host->flags |= USE_SDMA;
> + } else {
> printf("%s: Your controller doesn't support SDMA!!\n",
> __func__);
> - return -EINVAL;
> }
> -
> - host->flags |= USE_SDMA;
> #endif
> #if CONFIG_IS_ENABLED(MMC_SDHCI_ADMA)
> if (!(caps & SDHCI_CAN_DO_ADMA2)) {
>
Reviewed-by: Minkyu Kang <mk7.kang at samsung.com>
Thanks,
Minkyu Kang.
More information about the U-Boot
mailing list