linux-kernel - Re: [PATCH v2 3/3] ARM: dts: qcom: Add SDHC nodes for APQ8084 platform

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Date:	Wed, 8 Oct 2014 21:18:44 +0200
From:	Nicolas Dechesne <nicolas.dechesne@...aro.org>
To:	Georgi Djakov <gdjakov@...sol.com>
Cc:	Kumar Gala <galak@...eaurora.org>, robh+dt@...nel.org,
	pawel.moll@....com, mark.rutland@....com,
	ijc+devicetree@...lion.org.uk, linux@....linux.org.uk,
	devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
	iivanov@...sol.com
Subject: Re: [PATCH v2 3/3] ARM: dts: qcom: Add SDHC nodes for APQ8084 platform

Georgi,

On Tue, Sep 2, 2014 at 5:40 PM, Georgi Djakov <gdjakov@...sol.com> wrote:
> Enable support for the two SD host controllers on the APQ8084 platform
> by adding the required nodes to the DT files.
> On the IFC6540 board, the first controller is connected to the onboard
> eMMC and the second is connected to a micro-SD card slot.

testing this set of patch on IFC6540, i noticed that not all
partitions from the eMMC are detected. booting [1] which is basically
3.17-rc7 with a few additional patches, i can see the following
relevant mmc traces:

[    1.162587] mmc0: BKOPS_EN bit is not set
[    1.315357] mmc0: new HS200 MMC card at address 0001
[    1.318098] mmcblk0: mmc0:0001 SEM16G 14.6 GiB
[    1.330377] mmcblk0boot0: mmc0:0001 SEM16G partition 1 4.00 MiB
[    1.333652] mmcblk0boot1: mmc0:0001 SEM16G partition 2 4.00 MiB
[    1.345424] mmcblk0rpmb: mmc0:0001 SEM16G partition 3 4.00 MiB
[    1.358135]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13 p14 p15
[    1.365902]  mmcblk0boot1: p1
[    1.367833]  mmcblk0boot0: unknown partition table

on the same board, booting the board vendor kernel (which is based on
QCOM 3.10 tree), i can see much more partitions:

[    7.662379] mmc0: BKOPS_EN bit = 0
[    7.673036] mmc0: new HS200 MMC card at address 0001
[    7.673784] mmcblk0: mmc0:0001 SEM16G 14.6 GiB
[    7.674311] mmcblk0rpmb: mmc0:0001 SEM16G partition 3 4.00 MiB
[    7.677967]  mmcblk0: p1 p2 p3 p4 p5 p6 p7 p8 p9 p10 p11 p12 p13
p14 p15 p16 p17 p18 p19 p20 p21 p22 p23 p24\
 p25

the complete dmesg log for can be found in our board lab, at [2]

cheers

[1] https://git.linaro.org/landing-teams/working/qualcomm/kernel.git/commit/b538bdefecd11bd0278cc31164e1078c1722e5a8
[2] http://armv7.com/scheduler/job/11726/log_file#L_11_11
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