linux-kernel - Re: [PATCH v7 4/8] scsi: ufs: Add some debug infos to ufshcd_print_host

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Date:   Wed, 29 Jul 2020 15:00:55 +0800
From:   Stanley Chu <stanley.chu@...iatek.com>
To:     Can Guo <cang@...eaurora.org>
CC:     "asutoshd@...eaurora.org" <asutoshd@...eaurora.org>,
        "nguyenb@...eaurora.org" <nguyenb@...eaurora.org>,
        "hongwus@...eaurora.org" <hongwus@...eaurora.org>,
        "rnayak@...eaurora.org" <rnayak@...eaurora.org>,
        "sh425.lee@...sung.com" <sh425.lee@...sung.com>,
        "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "kernel-team@...roid.com" <kernel-team@...roid.com>,
        "saravanak@...gle.com" <saravanak@...gle.com>,
        "salyzyn@...gle.com" <salyzyn@...gle.com>,
        "Alim Akhtar" <alim.akhtar@...sung.com>,
        Avri Altman <avri.altman@....com>,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        Bean Huo <beanhuo@...ron.com>,
        "Bart Van Assche" <bvanassche@....org>,
        Satya Tangirala <satyat@...gle.com>,
        "open list" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v7 4/8] scsi: ufs: Add some debug infos to
 ufshcd_print_host_state

On Tue, 2020-07-28 at 13:00 +0800, Can Guo wrote:
> The infos of the last interrupt status and its timestamp are very helpful
> when debug system stability issues, e.g. IRQ starvation, so add them to
> ufshcd_print_host_state. Meanwhile, UFS device infos like model name and
> its FW version also come in handy during debug. In addition, this change
> makes cleanup to some prints in ufshcd_print_host_regs as similar prints
> are already available in ufshcd_print_host_state.
> 
> Signed-off-by: Can Guo <cang@...eaurora.org>
> Reviewed-by: Avri Altman <avri.altman@....com>

Reviewed-by: Stanley Chu <stanley.chu@...iatek.com>