Re: [PATCH v2 2/3] ufs: core: Add a quirk for handling broken LSDBS field in controller capabilities register

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On Thu, Aug 15, 2024 at 11:12:57AM -0700, Bart Van Assche wrote:
> On 8/14/24 10:16 PM, Manivannan Sadhasivam via B4 Relay wrote:
> > +	/*
> > +	 * This quirk needs to be enabled if the host controller has the broken
> > +	 * Legacy Queue & Single Doorbell Support (LSDBS) field in Controller
> > +	 * Capabilities register.
> > +	 */
> > +	UFSHCD_QUIRK_BROKEN_LSDBS_CAP			= 1 << 25,
> 
> The above comment is misleading because it suggests that the definition
> of this bit in the UFSHCI specification is broken, which is not the
> case.

Really? I don't see where the comment implies that the bit in the specification
is broken. It clearly says that the 'host controller has the broken bit'.

>How about this comment?
> 
> 	/*
> 	 * This quirk indicates that the controller reports the value 1
> 	 * (not supported) in the Legacy Single DoorBell Support (LSDBS)
> 	 * bit although it supports the legacy single doorbell mode.

But this comment is more elaborative. So I'll use it, thanks!

- Mani

-- 
மணிவண்ணன் சதாசிவம்




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