From: "Tony Huang 黃懷厚" <tony.huang@sunplus.com>
To: Krzysztof Kozlowski <krzk@kernel.org>,
Tony Huang <tonyhuang.sunplus@gmail.com>,
"ulf.hansson@linaro.org" <ulf.hansson@linaro.org>,
"robh+dt@kernel.org" <robh+dt@kernel.org>,
"lhjeff911@gmail.com" <lhjeff911@gmail.com>,
"linux-mmc@vger.kernel.org" <linux-mmc@vger.kernel.org>,
"devicetree@vger.kernel.org" <devicetree@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"p.zabel@pengutronix.de" <p.zabel@pengutronix.de>
Cc: "Wells Lu 呂芳騰" <wells.lu@sunplus.com>, "Lh Kuo 郭力豪" <lh.Kuo@sunplus.com>
Subject: RE: [PATCH v4 2/2] mmc: Add mmc driver for Sunplus SP7021
Date: Mon, 21 Mar 2022 04:55:11 +0000 [thread overview]
Message-ID: <c6ecbe40dc234454b41bcbc0bf073084@sphcmbx02.sunplus.com.tw> (raw)
In-Reply-To: <e5426768-1dd0-0bef-25e8-2ab494f7723d@kernel.org>
Dear Krzysztof:
>
> > + int dma_int_threshold;
> > + struct sg_mapping_iter sg_miter; /* for pio mode to access sglist */
> > + int dma_use_int; /* should raise irq when dma done */
> > + struct spmmc_tuning_info emmc_tuning_info;
> > + struct spsdc_tuning_info sd_tuning_info;
> > + int restore_4bit_sdio_bus;
> > + const struct spmmc_compatible *dev_comp; };
> > +
> > +struct spsdc_host {
>
> Where is this used?
>
struct spmmc_host{} for emmc.
struct spsdc_host{} for SD card.
The register base address and offset address of emmc and sd cards are different.
eMMC and sdcard are their respective hardware settings.
next prev parent reply other threads:[~2022-03-21 4:55 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-03-19 1:50 [PATCH v4 0/2] Add mmc driver for Sunplus SP7021 SOC Tony Huang
2022-03-19 1:50 ` [PATCH v4 1/2] dt-binding: mmc: Add mmc yaml file for Sunplus SP7021 Tony Huang
2022-03-20 11:41 ` Krzysztof Kozlowski
2022-03-21 2:35 ` Tony Huang 黃懷厚
2022-03-21 8:59 ` Krzysztof Kozlowski
2022-03-19 1:50 ` [PATCH v4 2/2] mmc: Add mmc driver " Tony Huang
2022-03-20 11:54 ` Krzysztof Kozlowski
2022-03-21 4:55 ` Tony Huang 黃懷厚 [this message]
2022-03-21 9:01 ` Krzysztof Kozlowski
2022-03-21 9:12 ` Tony Huang 黃懷厚
2022-03-21 7:40 ` Tony Huang 黃懷厚
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