Re: [PATCH 1/2] arm64: marvell: dts: fill MachiatoBin board description

From: Russell King - ARM Linux
Date: Tue May 16 2017 - 07:14:29 EST


On Tue, May 16, 2017 at 01:28:32AM +0200, Marcin Wojtas wrote:
> +&cpm_sdhci0 {
> + status = "okay";
> + bus-width = <4>;
> + no-1-8-v;
> + non-removable;
> +};

Testing the latest free-electrons sdhci driver (that was merged in 4.12-rc1)
_fails_ on mcbin, with it spewing:

mmc1: Timeout waiting for hardware cmd interrupt.
mmc1: sdhci: ============ SDHCI REGISTER DUMP ===========
mmc1: sdhci: Sys addr: 0x00000000 | Version: 0x00000002
mmc1: sdhci: Blk size: 0x00000000 | Blk cnt: 0x00000000
mmc1: sdhci: Argument: 0x00000000 | Trn mode: 0x00000000
mmc1: sdhci: Present: 0x01ff0000 | Host ctl: 0x00000001
mmc1: sdhci: Power: 0x0000000f | Blk gap: 0x00000000
mmc1: sdhci: Wake-up: 0x00000000 | Clock: 0x00003947
mmc1: sdhci: Timeout: 0x00000000 | Int stat: 0x00018000
mmc1: sdhci: Int enab: 0x00ff0003 | Sig enab: 0x00ff0003
mmc1: sdhci: AC12 err: 0x00000000 | Slot int: 0x00000001
mmc1: sdhci: Caps: 0x35ee0099 | Caps_1: 0x0000af77
mmc1: sdhci: Cmd: 0x00000000 | Max curr: 0x00000000
mmc1: sdhci: Resp[0]: 0x00000000 | Resp[1]: 0x00000000
mmc1: sdhci: Resp[2]: 0x00000000 | Resp[3]: 0x00000000
mmc1: sdhci: Host ctl2: 0x00000000
mmc1: sdhci: ADMA Err: 0x00000000 | ADMA Ptr: 0x0000000000000000
mmc1: sdhci: ============================================

It doesn't matter if I use my DT or your DT fragment above. This used
to work fine with the previous revision of the sdhci-xenon driver.

--
RMK's Patch system: http://www.armlinux.org.uk/developer/patches/
FTTC broadband for 0.8mile line: currently at 9.6Mbps down 400kbps up
according to speedtest.net.