linux-kernel - Re: [PATCH] scsi: ufs: Kconfig: SCSI_UFS

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Message-ID: <5dab9890-6142-3ac3-424a-1fc169734464@infradead.org>
Date:   Fri, 24 Sep 2021 12:53:37 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Avri Altman <Avri.Altman@....com>,
        Anders Roxell <anders.roxell@...aro.org>,
        "jejb@...ux.ibm.com" <jejb@...ux.ibm.com>,
        "martin.petersen@...cle.com" <martin.petersen@...cle.com>,
        "jdelvare@...e.com" <jdelvare@...e.com>,
        "linux@...ck-us.net" <linux@...ck-us.net>
Cc:     "linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "linux-hwmon@...r.kernel.org" <linux-hwmon@...r.kernel.org>
Subject: Re: [PATCH] scsi: ufs: Kconfig: SCSI_UFS_HWMON depens on HWMON=y

On 9/24/21 11:59 AM, Avri Altman wrote:
>>> Since fragment 'SCSI_UFS_HWMON' can't be build as a module,
>>> 'SCSI_UFS_HWMON' has to depend on 'HWMON=y'.
>>>
>>> Fixes: e88e2d32200a ("scsi: ufs: core: Probe for temperature
>>> notification support")
>>> Signed-off-by: Anders Roxell <anders.roxell@...aro.org>
>>> ---
>>>    drivers/scsi/ufs/Kconfig | 2 +-
>>>    1 file changed, 1 insertion(+), 1 deletion(-)
>>>
>>> diff --git a/drivers/scsi/ufs/Kconfig b/drivers/scsi/ufs/Kconfig index
>>> 565e8aa6319d..30c6edb53be9 100644
>>> --- a/drivers/scsi/ufs/Kconfig
>>> +++ b/drivers/scsi/ufs/Kconfig
>>> @@ -202,7 +202,7 @@ config SCSI_UFS_FAULT_INJECTION
>>>
>>>    config SCSI_UFS_HWMON
>>>        bool "UFS  Temperature Notification"
>>> -     depends on SCSI_UFSHCD && HWMON
>>> +     depends on SCSI_UFSHCD && HWMON=y
>>>        help
>>>          This provides support for UFS hardware monitoring. If enabled,
>>>          a hardware monitoring device will be created for the UFS device.

Thinking about this, it should be possible to do it like this
so that both SCSI_UFSHCD=m ad SCSI_HFS_HWMON=m would also work.
I.e., this would allow more combinations of Kconfig settings to
work. It only excludes SCSI_UFSH_HWMON=y and HWMON=m

+       depends on SCSI_UFSHCD=HWMON || HWMON=y

OK, I have verified that this works (builds) in all allowed
combinations.  Anders, would you please resubmit the patch?


-- 
~Randy