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From: Miquel Raynal <miquel.raynal@bootlin.com>
To: Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org>
Cc: richard@nod.at, vigneshr@ti.com, linux-arm-msm@vger.kernel.org,
	linux-mtd@lists.infradead.org, linux-kernel@vger.kernel.org,
	boris.brezillon@collabora.com, Daniele.Palmas@telit.com,
	bjorn.andersson@linaro.org
Subject: Re: [PATCH 0/2] Handle probe defer properly in MTD core
Date: Wed, 3 Mar 2021 09:03:42 +0100	[thread overview]
Message-ID: <20210303090342.635130fb@xps13> (raw)
In-Reply-To: <20210302132757.225395-1-manivannan.sadhasivam@linaro.org>

Hi Manivannan,

Manivannan Sadhasivam <manivannan.sadhasivam@linaro.org> wrote on Tue,
2 Mar 2021 18:57:55 +0530:

> Hello,
> 
> These two patches aims at fixing the -EPROBE_DEFER handling in the MTD
> core and also in the Qcom nand driver. The "qcomsmem" parser depends on
> the QCOM_SMEM driver to parse the partitions defined in the shared
> memory. Due to the DT layout, the SMEM driver might probe after the NAND
> driver. In that case, the -EPROBE_DEFER returned by qcom_smem_get() in
> the parser will fail to propagate till the driver core. So this will
> result in the partitions not getting parsed even after the SMEM driver is
> available.
> 
> So fix this issue by handling the -EPROBE_DEFER error properly in both
> MTD core and in the Qcom nand driver. This issue is observed on Qcom SDX55
> based Telit FN980 EVB and in SDX55-MTP.

Applied manually on top of nand/next as infradead.org is dead at the
moment and the patches were not collected by patchwork.

Thanks,
Miquèl

  parent reply	other threads:[~2021-03-03 21:42 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-03-02 13:27 [PATCH 0/2] Handle probe defer properly in MTD core Manivannan Sadhasivam
2021-03-02 13:27 ` [PATCH 1/2] mtd: Handle possible -EPROBE_DEFER from parse_mtd_partitions() Manivannan Sadhasivam
2021-03-02 13:27 ` [PATCH 2/2] mtd: rawnand: qcom: Return actual error code instead of -ENODEV Manivannan Sadhasivam
2021-03-03  8:03 ` Miquel Raynal [this message]
2021-05-26 19:03 ` [PATCH 0/2] Handle probe defer properly in MTD core patchwork-bot+linux-arm-msm

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