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From: Avri Altman <Avri.Altman@wdc.com>
To: Ulf Hansson <ulf.hansson@linaro.org>,
	"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
	Adrian Hunter <adrian.hunter@intel.com>
Cc: Linus Walleij <linus.walleij@linaro.org>,
	Wolfram Sang <wsa+renesas@sang-engineering.com>,
	Shawn Lin <shawn.lin@rock-chips.com>,
	Masami Hiramatsu <masami.hiramatsu@linaro.org>,
	"linux-block@vger.kernel.org" <linux-block@vger.kernel.org>,
	"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>
Subject: RE: [PATCH 0/2] mmc: core: Implement support for cache ctrl for SD cards
Date: Mon, 10 May 2021 07:39:57 +0000	[thread overview]
Message-ID: <DM6PR04MB657511CDCE94264D080F006CFC549@DM6PR04MB6575.namprd04.prod.outlook.com> (raw)
In-Reply-To: <20210506145829.198823-1-ulf.hansson@linaro.org>

> In the SD spec v6.x the SD function extension registers for performance
> enhancements were introduced. As a part of this an optional internal cache
> on
> the SD card can be used to improve performance.
Just to verify that you are aware of that:
In addition to the extension Registers that were defined in the physical core spec,
there was a separate document that was released that suggest a common OS API's to those registers.
It is called "SD specification part A5, SD Extensions API specification".

Thanks,
Avri

  parent reply	other threads:[~2021-05-10  7:40 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-05-06 14:58 Ulf Hansson
2021-05-06 14:58 ` [PATCH 1/2] mmc: core: Move eMMC cache flushing to a new bus_ops callback Ulf Hansson
2021-05-07  7:15   ` Avri Altman
2021-05-09 18:48   ` Linus Walleij
2021-05-06 14:58 ` [PATCH 2/2] mmc: core: Add support for cache ctrl for SD cards Ulf Hansson
2021-05-09 19:01   ` Linus Walleij
2021-05-10 14:32     ` Ulf Hansson
2021-05-10  9:10   ` Avri Altman
2021-05-10 10:41     ` Avri Altman
2021-05-10 14:41     ` Ulf Hansson
2021-05-11  8:22       ` Avri Altman
2021-05-10  7:39 ` Avri Altman [this message]
2021-05-10  9:44   ` [PATCH 0/2] mmc: core: Implement " Ulf Hansson
2021-05-10 10:12     ` Avri Altman

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