linux-kernel - Re: [PATCH 0/3] scsi: ufs-qcom: Enable Dumping of Hibern8, MCQ, and Testbus Registers

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Message-ID: <20241112075000.vausf7ulr2t5svmg@thinkpad>
Date: Tue, 12 Nov 2024 13:20:00 +0530
From: Manivannan Sadhasivam <manisadhasivam.linux@...il.com>
To: Manish Pandey <quic_mapa@...cinc.com>
Cc: Manivannan Sadhasivam <manivannan.sadhasivam@...aro.org>,
	"James E.J. Bottomley" <James.Bottomley@...senPartnership.com>,
	"Martin K. Petersen" <martin.petersen@...cle.com>,
	linux-arm-msm@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-kernel@...r.kernel.org, quic_nitirawa@...cinc.com
Subject: Re: [PATCH 0/3] scsi: ufs-qcom: Enable Dumping of Hibern8, MCQ, and
 Testbus Registers

On Fri, Oct 25, 2024 at 11:20:51AM +0530, Manish Pandey wrote:
> Submitting a series of patches aimed at enhancing the debugging and monitoring capabilities
> of the UFS-QCOM driver. These patches introduce new functionalities that will significantly
> aid in diagnosing and resolving issues related to hardware and software operations.
> 

TBH, the current state of dumping UFSHC registers itself is just annoying as it
pollutes the kernel ring buffer. I don't think any peripheral driver in the
kernel does this. Please dump only relevant registers, not everything that you
feel like dumping.

- Mani

> Manish Pandey (3):
>   scsi: ufs-qcom: Add support for dumping HW and SW hibern8 count
>   scsi: ufs-qcom: Add support for dumping MCQ registers
>   scsi: ufs-qcom: Add support for testbus registers
> 
>  drivers/ufs/host/ufs-qcom.c | 141 ++++++++++++++++++++++++++++++++++++
>  drivers/ufs/host/ufs-qcom.h |  11 +++
>  2 files changed, 152 insertions(+)
> 
> -- 
> 2.17.1
> 
> 

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