Re: [PATCH v7 2/3] scsi: ufs: add debugfs for ufs

From: Dov Levenglick
Date: Wed Mar 18 2015 - 09:19:11 EST


> From: Lee Susman <lsusman@xxxxxxxxxxxxxx>
>
> Adding debugfs capability for ufshcd.
>
> debugfs attributes introduced in this patch:
> - View driver/controller runtime data
> - Command tag statistics for performance analisis
> - Dump device descriptor info
> - Track recoverable errors statistics during runtime
> - Change UFS power mode during runtime
> entry a string in the format 'GGLLMM' where:
> G - selected gear
> L - number of lanes
> M - power mode
> (1=fast mode, 2=slow mode, 4=fast-auto mode,
> 5=slow-auto mode)
> First letter is for RX, second is for TX.
> - Get/set DME attributes
>
> Signed-off-by: Lee Susman <lsusman@xxxxxxxxxxxxxx>
> Signed-off-by: Dolev Raviv <draviv@xxxxxxxxxxxxxx>
> Signed-off-by: Yaniv Gardi <ygardi@xxxxxxxxxxxxxx>
> Signed-off-by: Raviv Shvili <rshvili@xxxxxxxxxxxxxx>
> Signed-off-by: Gilad Broner <gbroner@xxxxxxxxxxxxxx>
> ---
> drivers/scsi/ufs/Makefile | 1 +
> drivers/scsi/ufs/ufs-debugfs.c | 902
> +++++++++++++++++++++++++++++++++++++++++
> drivers/scsi/ufs/ufs-debugfs.h | 38 ++
> drivers/scsi/ufs/ufshcd.c | 229 ++++++++++-
> drivers/scsi/ufs/ufshcd.h | 65 +++
> drivers/scsi/ufs/ufshci.h | 2 +
> 6 files changed, 1225 insertions(+), 12 deletions(-)
> create mode 100644 drivers/scsi/ufs/ufs-debugfs.c
> create mode 100644 drivers/scsi/ufs/ufs-debugfs.h
>

[removed ~1600 lines of code]
Reviewed-by: Dov Levenglick <dovl@xxxxxxxxxxxxxx>

> --
> Qualcomm Israel, on behalf of Qualcomm Innovation Center, Inc.
> The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
> a Linux Foundation Collaborative Project
>
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QUALCOMM ISRAEL, on behalf of Qualcomm Innovation Center, Inc.
The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum,
a Linux Foundation Collaborative Project

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