This is still not working on 4.0 with this devicetree and eMMC enabled. [ 1.467617] Driver 'mmcblk' needs updating - please use bus_type methods [ 1.474581] sdhci: Secure Digital Host Controller Interface driver [ 1.480776] sdhci: Copyright(c) Pierre Ossman [ 1.485229] sdhci-pltfm: SDHCI platform and OF driver helper [ 1.491920] sdhci-esdhc-imx 2194000.usdhc: could not get ultra high speed state, work on normal mode [ 1.502624] sdhci-esdhc-imx 2194000.usdhc: No vqmmc regulator found [ 1.553863] mmc0: SDHCI controller on 2194000.usdhc [2194000.usdhc] using ADMA [ 1.562020] sdhci-esdhc-imx 2198000.usdhc: could not get ultra high speed state, work on normal mode [ 1.572519] sdhci-esdhc-imx 2198000.usdhc: No vqmmc regulator found [ 1.623290] mmc1: SDHCI controller on 2198000.usdhc [2198000.usdhc] using ADMA [ 1.632466] usbcore: registered new interface driver usbhid [ 1.638080] usbhid: USB HID core driver [ 1.648923] TCP: cubic registered [ 1.653864] NET: Registered protocol family 10 [ 1.661093] sit: IPv6 over IPv4 tunneling driver [ 1.667826] NET: Registered protocol family 17 [ 1.672323] can: controller area network core (rev 20120528 abi 9) [ 1.678754] NET: Registered protocol family 29 [ 1.683259] can: raw protocol (rev 20120528) [ 1.683659] usb 1-1: new high-speed USB device number 2 using ci_hdrc [ 1.694117] can: broadcast manager protocol (rev 20120528 t) [ 1.699821] can: netlink gateway (rev 20130117) max_hops=1 [ 1.705994] Key type dns_resolver registered [ 1.715425] Registering SWP/SWPB emulation handler [ 1.728171] snvs_rtc 20cc034.snvs-rtc-lp: setting system clock to 1970-01-01 00:00:00 UTC (0) [ 1.773338] usb_otg_vbus: disabling [ 1.776858] 2P5V: disabling [ 1.780066] ALSA device list: [ 1.783043] No soundcards found. [ 1.787866] Waiting for root device /dev/mmcblk0p1... [ 1.836367] hub 1-1:1.0: USB hub found [ 1.840349] hub 1-1:1.0: 4 ports detected [ 1.879136] mmc1: MAN_BKOPS_EN bit is not set [ 1.893823] mmc1: new high speed MMC card at address 0001 [ 1.901285] mmcblk0: mmc1:0001 NCard 3.71 GiB [ 1.906172] mmcblk0boot0: mmc1:0001 NCard partition 1 2.00 MiB [ 1.912424] mmcblk0boot1: mmc1:0001 NCard partition 2 2.00 MiB [ 1.918676] mmcblk0rpmb: mmc1:0001 NCard partition 3 128 KiB [ 1.928406] mmcblk0: p1 [ 12.033443] mmc1: Timeout waiting for hardware interrupt. [ 12.039193] mmcblk0: error -110 transferring data, sector 20482, nr 2, cmd response 0x900, card status 0xb00 [ 12.049118] mmc1: tried to reset card [ 12.052804] mmcblk0: retrying using single block read [ 22.073257] mmc1: Timeout waiting for hardware interrupt. [ 22.078969] mmcblk0: error -110 transferring data, sector 20480, nr 8, cmd response 0x900, card status 0xb00 [ 22.088897] mmc1: tried to reset card [ 22.092585] mmcblk0: retrying using single block read [ 22.100654] EXT3-fs (mmcblk0p1): error: magic mismatch [ 32.113294] mmc1: Timeout waiting for hardware interrupt. [ 32.119153] mmcblk0: error -110 transferring data, sector 20482, nr 2, cmd response 0x900, card status 0xb00 [ 32.129070] mmc1: tried to reset card [ 32.132758] mmcblk0: retrying using single block read [ 32.138719] EXT2-fs (mmcblk0p1): error: couldn't mount because of unsupported optional features (4) On Wed, Apr 1, 2015 at 11:32 AM, Vianney le Clément <vianney.leclement@xxxxxxxxxxxxx> wrote: > On Wed, Apr 1, 2015 at 10:15 , Lucas Stach <l.stach@xxxxxxxxxxxxxx> wrote: >> >> Am Mittwoch, den 01.04.2015, 10:10 +0200 schrieb Vianney le Clément de >> Saint-Marcq: >>> >>> Add device tree for the Embest/Element 14 MarS Board [1], an i.MX6 Dual >>> based development board. >>> >>> The e-MMC chip is disabled because initialization fails (error -110). >>> A possible cause is described in [2]. >> >> >> So if the problem is that there are only 4 connected data lines one the >> board, couldn't you simply add the property bus-width = <4>; to the emmc >> node? > > > It is already the case (imx6qdl.dtsi, line 929), but to no avail. That is > why I wrote "possible" cause as I did not find any evidence of the described > behaviour in my (admittedly limited) investigations. > > > Vianney le Clément de Saint-Marcq > Embedded Software Developper · +32 485 84 55 05 > Essensium, Mind division · www.mind.be > GPG: 727B CFE9 355F 1B02 0820 EE1C 9042 3E07 A804 0316 > > > > _______________________________________________ > linux-arm-kernel mailing list > linux-arm-kernel@xxxxxxxxxxxxxxxxxxx > http://lists.infradead.org/mailman/listinfo/linux-arm-kernel -- To unsubscribe from this list: send the line "unsubscribe devicetree" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
