forked from Minki/linux
348487cb28
This patch is based on the patches by Per Forlin, Tony Lin and Ryan QIAN.
This patch complete the API 'post_req' and 'pre_req' in sdhci host side,
Test Env:
1. i.MX6Q-SABREAUTO board, CPU @ 996MHz, use ADMA in uSDHC controller.
2. Test command:
$ echo 1 > /proc/sys/vm/drop_caches
write to sd card:
$ dd if=/dev/zero of=/dev/mmcblk0 bs=1M count=2000 conv=fsync
read the sd card:
$ dd if=/dev/mmcblk0 of=/dev/null bs=1M count=2000
3. TOSHIBA 16GB SD3.0 card, running at 4 bit, SDR104 @ 198MHZ
Performance with and without this patch:
-------------------------------------------------
| | read speed | write speed |
|------------------------------------------------
| with this patch | ~76.7 MB/s | ~23.3 MB/s |
|------------------------------------------------
|without this patch | ~60.5 MB/s | ~22.5 MB/s |
-------------------------------------------------
4. SanDisk 8GB SD3.0 card, running at 4 bit, DDR50 @ 50MHZ
Performance with and without this patch:
-------------------------------------------------
| | read speed | write speed |
|------------------------------------------------
| with this patch | ~40.5 MB/s | ~15.6 MB/s |
|------------------------------------------------
|without this patch | ~36.1 MB/s | ~14.1 MB/s |
-------------------------------------------------
5. Kingston 8GB SD2.0 card, running at 4 bit, High-speed @ 50MHZ
Performance with and without this patch:
-------------------------------------------------
| | read speed | write speed |
|------------------------------------------------
| with this patch | ~22.7 MB/s | ~8.2 MB/s |
|------------------------------------------------
|without this patch | ~21.3 MB/s | ~8.0 MB/s |
-------------------------------------------------
6. About eMMC, Sandisk 8GB eMMC on i.MX6DL-sabresd board, CPU @ 792MHZ,
eMMC running at 8 bit, DDR52 @ 52MHZ.
Performance with and without this patch:
-------------------------------------------------
| | read speed | write speed |
|------------------------------------------------
| with this patch | ~37.3 MB/s | ~10.5 MB/s |
|------------------------------------------------
|without this patch | ~33.4 MB/s | ~10.5 MB/s |
-------------------------------------------------
Signed-off-by: Haibo Chen <haibo.chen@freescale.com>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
|
||
|---|---|---|
| .. | ||
| android-goldfish.c | ||
| atmel-mci-regs.h | ||
| atmel-mci.c | ||
| au1xmmc.c | ||
| bfin_sdh.c | ||
| cb710-mmc.c | ||
| cb710-mmc.h | ||
| davinci_mmc.c | ||
| dw_mmc-exynos.c | ||
| dw_mmc-exynos.h | ||
| dw_mmc-k3.c | ||
| dw_mmc-pci.c | ||
| dw_mmc-pltfm.c | ||
| dw_mmc-pltfm.h | ||
| dw_mmc-rockchip.c | ||
| dw_mmc.c | ||
| dw_mmc.h | ||
| jz4740_mmc.c | ||
| Kconfig | ||
| Makefile | ||
| mmc_spi.c | ||
| mmci_qcom_dml.c | ||
| mmci_qcom_dml.h | ||
| mmci.c | ||
| mmci.h | ||
| moxart-mmc.c | ||
| msm_sdcc.c | ||
| msm_sdcc.h | ||
| mvsdio.c | ||
| mvsdio.h | ||
| mxcmmc.c | ||
| mxs-mmc.c | ||
| of_mmc_spi.c | ||
| omap_hsmmc.c | ||
| omap.c | ||
| pxamci.c | ||
| pxamci.h | ||
| rtsx_pci_sdmmc.c | ||
| rtsx_usb_sdmmc.c | ||
| s3cmci.c | ||
| s3cmci.h | ||
| sdhci-acpi.c | ||
| sdhci-bcm2835.c | ||
| sdhci-bcm-kona.c | ||
| sdhci-cns3xxx.c | ||
| sdhci-dove.c | ||
| sdhci-esdhc-imx.c | ||
| sdhci-esdhc.h | ||
| sdhci-msm.c | ||
| sdhci-of-arasan.c | ||
| sdhci-of-esdhc.c | ||
| sdhci-of-hlwd.c | ||
| sdhci-pci-data.c | ||
| sdhci-pci-o2micro.c | ||
| sdhci-pci-o2micro.h | ||
| sdhci-pci.c | ||
| sdhci-pci.h | ||
| sdhci-pltfm.c | ||
| sdhci-pltfm.h | ||
| sdhci-pxav2.c | ||
| sdhci-pxav3.c | ||
| sdhci-s3c-regs.h | ||
| sdhci-s3c.c | ||
| sdhci-sirf.c | ||
| sdhci-spear.c | ||
| sdhci-st.c | ||
| sdhci-tegra.c | ||
| sdhci.c | ||
| sdhci.h | ||
| sdricoh_cs.c | ||
| sh_mmcif.c | ||
| sh_mobile_sdhi.c | ||
| sunxi-mmc.c | ||
| tifm_sd.c | ||
| tmio_mmc_dma.c | ||
| tmio_mmc_pio.c | ||
| tmio_mmc.c | ||
| tmio_mmc.h | ||
| toshsd.c | ||
| toshsd.h | ||
| usdhi6rol0.c | ||
| ushc.c | ||
| via-sdmmc.c | ||
| vub300.c | ||
| wbsd.c | ||
| wbsd.h | ||
| wmt-sdmmc.c | ||