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From: Adrian Hunter <adrian.hunter@intel.com>
To: Masahiro Yamada <yamada.masahiro@socionext.com>,
	linux-mmc@vger.kernel.org
Cc: linux-kernel@vger.kernel.org,
	Ulf Hansson <ulf.hansson@linaro.org>,
	masahiroy@kernel.org
Subject: Re: [PATCH 1/2] mmc: sdhci: move SDHCI_CAPABILITIES_1 to a more suitable place
Date: Wed, 15 Apr 2020 10:19:24 +0300	[thread overview]
Message-ID: <af02a837-c5a9-4d0a-34a4-534e155ac968@intel.com> (raw)
In-Reply-To: <20200408072105.422-1-yamada.masahiro@socionext.com>

On 8/04/20 10:21 am, Masahiro Yamada wrote:
> In the SDHCI specification, the Capabilities Register (Offset 0x40h)
> is the 64-bit width register, but in Linux, it is represented as two
> registers, SDHCI_CAPABILITIES and SDHCI_CAPABILITIES_1 so that drivers
> can use 32-bit register accessors.
> 
> The upper 32-bit field is associated with SDHCI_CAPABILITIES_1.
> 
> Move the definition of SDHCI_CAPABILITIES_1 to the correct place.
> 
> Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>

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

> ---
> 
>  drivers/mmc/host/sdhci.h | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
> index 79dffbb731d3..b786b68e0302 100644
> --- a/drivers/mmc/host/sdhci.h
> +++ b/drivers/mmc/host/sdhci.h
> @@ -220,6 +220,7 @@
>  #define  SDHCI_CAN_64BIT_V4	0x08000000
>  #define  SDHCI_CAN_64BIT	0x10000000
>  
> +#define SDHCI_CAPABILITIES_1	0x44
>  #define  SDHCI_SUPPORT_SDR50	0x00000001
>  #define  SDHCI_SUPPORT_SDR104	0x00000002
>  #define  SDHCI_SUPPORT_DDR50	0x00000004
> @@ -236,8 +237,6 @@
>  #define  SDHCI_CAN_DO_ADMA3	0x08000000
>  #define  SDHCI_SUPPORT_HS400	0x80000000 /* Non-standard */
>  
> -#define SDHCI_CAPABILITIES_1	0x44
> -
>  #define SDHCI_MAX_CURRENT		0x48
>  #define  SDHCI_MAX_CURRENT_LIMIT	0xFF
>  #define  SDHCI_MAX_CURRENT_330_MASK	0x0000FF
> 


  parent reply	other threads:[~2020-04-15  7:20 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-04-08  7:21 Masahiro Yamada
2020-04-08  7:21 ` [PATCH 2/2] mmc: sdhci: use FIELD_GET/PREP for capabilities bit masks Masahiro Yamada
2020-04-15  9:34   ` Adrian Hunter
2020-04-15 10:21     ` Ulf Hansson
2020-04-15  7:19 ` Adrian Hunter [this message]
2020-04-15 10:21 ` [PATCH 1/2] mmc: sdhci: move SDHCI_CAPABILITIES_1 to a more suitable place Ulf Hansson

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