Re: [PATCH v3] mtd: rawnand: qcom: Fix broken misc_cmd_type in exec_op

From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: Christian Marangi <ansuelsmth@gmail.com>,
	Richard Weinberger <richard@nod.at>,
	Vignesh Raghavendra <vigneshr@ti.com>,
	Sricharan Ramabadhran <quic_srichara@quicinc.com>,
	Md Sadre Alam <quic_mdalam@quicinc.com>,
	linux-mtd@lists.infradead.org, linux-arm-msm@vger.kernel.org,
	linux-kernel@vger.kernel.org, stable@vger.kernel.org
Subject: Re: [PATCH v3] mtd: rawnand: qcom: Fix broken misc_cmd_type in exec_op
Date: Wed, 3 Apr 2024 09:23:56 +0200	[thread overview]
Message-ID: <20240403092356.496e07ec@xps-13> (raw)
In-Reply-To: <20240403063008.GA25309@thinkpad>

Hi,

manivannan.sadhasivam@linaro.org wrote on Wed, 3 Apr 2024 12:00:08
+0530:

> On Tue, Apr 02, 2024 at 11:41:34PM +0200, Christian Marangi wrote:
> > misc_cmd_type in exec_op have multiple problems. With commit a82990c8a409
> > ("mtd: rawnand: qcom: Add read/read_start ops in exec_op path") it was
> > reworked and generalized but actually dropped the handling of the
> > OP_RESET_DEVICE command.
> > 
> > The rework itself was correct with supporting case where a single misc
> > command is handled, but became problematic by the addition of exiting
> > early if we didn't had an OP_BLOCK_ERASE or an OP_PROGRAM_PAGE operation.
> > 
> > Also additional logic was added without clear explaination causing the
> > OP_RESET_DEVICE command to be broken on testing it on a ipq806x nandc.
> > 
> > Add some additional logic to restore OP_RESET_DEVICE command handling
> > restoring original functionality.
> >   
> 
> I'd like to reword the commit subject and description as below. But I hope
> Miquel can ammend it while applying:

I'm pretty busy, sending a v4 on which you both agree on would be
simpler to me :-)

Thanks,
Miquèl

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