Hello I have a custom i.MX6Q based board with a Hynix eMMC chip attached to USDHC3. OS is a vanilla Linux 3.16 with some patches. Loading the iMX SDHC driver results in the following error: modprobe sdhci-esdhc-imx sdhci: Secure Digital Host Controller Interface driver sdhci: Copyright(c) Pierre Ossman sdhci-pltfm: SDHCI platform and OF driver helper mmc0: no vqmmc regulator found mmc0: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA mmc0: BKOPS_EN bit is not set mmc0: Card stuck in programming state! __mmc_switch mmc0: error -110 whilst initialising MMC card mmc0: BKOPS_EN bit is not set mmc0: Card stuck in programming state! __mmc_switch mmc0: error -110 whilst initialising MMC card mmc0: BKOPS_EN bit is not set mmc0: Card stuck in programming state! __mmc_switch mmc0: error -110 whilst initialising MMC card mmc0: BKOPS_EN bit is not set mmc0: Card stuck in programming state! __mmc_switch mmc0: error -110 whilst initialising MMC card Pin muxing looks ok nevertheless I played around with it to see if it makes a difference. I also tried the "Add delay between CMD6 and CMD13 for Sandisk eMMC cards" workaround previously mentioned on this list. As the whole thing is working under U-Boot as shown below, I tend to rule out soldering problems and non-functional hardware. => ver U-Boot 2014.07-00045-g0955ecc-dirty (Aug 26 2014 - 12:47:21) => mmc dev 1 switch to partitions #0, OK mmc1(part 0) is current device => mmc info Device: FSL_SDHC Manufacturer ID: 90 OEM: 14a Name: H8G2d Tran Speed: 52000000 Rd Block Len: 512 MMC version 4.41 High Capacity: Yes Capacity: 7.2 GiB Bus Width: 8-bit Any idea what is going wrong? Has anybody a Hynix eMMC working under Linux? -- To unsubscribe from this list: send the line "unsubscribe linux-mmc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
