Re: [PATCH V7 1/9] mmc: sdhci: Add version V4 definition

From: Adrian Hunter
Date: Wed Aug 29 2018 - 06:47:30 EST


On 29/08/18 10:02, Chunyan Zhang wrote:
> Added definitions for v400, v410, v420.
>
> Signed-off-by: Chunyan Zhang <zhang.chunyan@xxxxxxxxxx>

Acked-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>

> ---
> drivers/mmc/host/sdhci.c | 2 +-
> drivers/mmc/host/sdhci.h | 3 +++
> 2 files changed, 4 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
> index 97e4efa..01bf88c 100644
> --- a/drivers/mmc/host/sdhci.c
> +++ b/drivers/mmc/host/sdhci.c
> @@ -3508,7 +3508,7 @@ int sdhci_setup_host(struct sdhci_host *host)
>
> override_timeout_clk = host->timeout_clk;
>
> - if (host->version > SDHCI_SPEC_300) {
> + if (host->version > SDHCI_SPEC_420) {
> pr_err("%s: Unknown controller version (%d). You may experience problems.\n",
> mmc_hostname(mmc), host->version);
> }
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index 732d82f..dbd48a8 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -270,6 +270,9 @@
> #define SDHCI_SPEC_100 0
> #define SDHCI_SPEC_200 1
> #define SDHCI_SPEC_300 2
> +#define SDHCI_SPEC_400 3
> +#define SDHCI_SPEC_410 4
> +#define SDHCI_SPEC_420 5
>
> /*
> * End of controller registers.
>