[PATCH 1/5] mmc: rockchip_sdhci: Skip blocks read workaround on RK3399

[Kever Yang]

On 2023/5/7 01:41, Jonas Karlman wrote:
> The workaround to limit number of blocks to read in a single command
> should only be applied to RK3568 and RK3588. Change to be more strict
> when to apply the workaround.
>
> Fixes: 2cc6cde647e2 ("mmc: rockchip_sdhci: Limit number of blocks read in a single command")
> Suggested-by: Simon Glass <sjg at chromium.org>
> Signed-off-by: Jonas Karlman <jonas at kwiboo.se>
Reviewed-by: Kever Yang <kever.yang at rock-chips.com>

Thanks,
- Kever
> ---
>   drivers/mmc/rockchip_sdhci.c | 4 +++-
>   1 file changed, 3 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/rockchip_sdhci.c b/drivers/mmc/rockchip_sdhci.c
> index 4f110976f4e8..8e4a158049a9 100644
> --- a/drivers/mmc/rockchip_sdhci.c
> +++ b/drivers/mmc/rockchip_sdhci.c
> @@ -594,7 +594,9 @@ static int rockchip_sdhci_probe(struct udevice *dev)
>   	 * triggers Data End Bit Error on RK3568 and RK3588. Limit to reading
>   	 * max 4 blocks in one command when using PIO mode.
>   	 */
> -	if (!(host->flags & USE_DMA))
> +	if (!(host->flags & USE_DMA) &&
> +	    (device_is_compatible(dev, "rockchip,rk3568-dwcmshc") ||
> +	     device_is_compatible(dev, "rockchip,rk3588-dwcmshc")))
>   		cfg->b_max = 4;
>   
>   	return sdhci_probe(dev);