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From: boris.brezillon@bootlin.com (Boris Brezillon)
To: linux-arm-kernel@lists.infradead.org
Subject: [PATCH v3 1/2] mtd: spi-nor: add support to non-uniform SFDP SPI NOR flash memories
Date: Tue, 16 Oct 2018 14:04:11 +0200	[thread overview]
Message-ID: <20181016140411.3f06e449@bbrezillon> (raw)
In-Reply-To: <VI1PR04MB103888BC18F3C5AD0C02DEF699FE0@VI1PR04MB1038.eurprd04.prod.outlook.com>

On Tue, 16 Oct 2018 09:51:47 +0000
Yogesh Narayan Gaur <yogeshnarayan.gaur@nxp.com> wrote:

> Hi Tudor,
> 
> This patch is breaking the 1-4-4 Read protocol for the spansion flash "s25fl512s".
> 
> Without this patch read request command for Quad mode, 4-byte enable, is coming as 0xEC i.e. SPINOR_OP_READ_1_4_4_4B.
> But after applying this patch, read request command for Quad mode is coming as 0x6C i.e. SPINOR_OP_READ_1_1_4_4B.
> 
> This flash also supports non-uniform erase.
> Can you please check and provide some suggestion?

Are you sure the regression comes from this patch? I suspect your bug
comes from 41fe242979e4 ("mtd: spi-nor: fsl-quadspi: fix read error for
flash size larger than 16MB").

  reply	other threads:[~2018-10-16 12:04 UTC|newest]

Thread overview: 55+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-09-11 15:40 [PATCH v3 0/2] add support to non-uniform SFDP SPI NOR flash memories Tudor Ambarus
2018-09-11 15:40 ` [PATCH v3 1/2] mtd: spi-nor: " Tudor Ambarus
2018-09-11 18:55   ` Marek Vasut
2018-09-17 17:03   ` Tudor Ambarus
2018-10-16  9:51   ` Yogesh Narayan Gaur
2018-10-16 12:04     ` Boris Brezillon [this message]
2018-10-16 12:17       ` Boris Brezillon
2018-10-17  1:54         ` Yogesh Narayan Gaur
2018-10-16 15:14     ` Tudor Ambarus
2018-10-16 16:34       ` Cyrille Pitchen
2018-10-17  2:07         ` Yogesh Narayan Gaur
2018-10-17  3:50           ` Yogesh Narayan Gaur
2018-10-17  7:07           ` Boris Brezillon
2018-10-17  7:10             ` Boris Brezillon
2018-10-17  7:17               ` Boris Brezillon
2018-10-17  7:29               ` Boris Brezillon
2018-10-17  7:46                 ` Yogesh Narayan Gaur
2018-10-17  8:00                   ` Tudor Ambarus
2018-10-17  8:20                     ` Yogesh Narayan Gaur
2018-10-17  8:48                       ` Boris Brezillon
2018-10-17  9:52                   ` Boris Brezillon
2018-10-22  6:04                     ` Yogesh Narayan Gaur
2018-10-22  7:34                       ` Boris Brezillon
2018-10-22  8:01                       ` Boris Brezillon
2018-10-22  8:32                         ` Yogesh Narayan Gaur
2018-10-22  9:09                           ` Boris Brezillon
2018-10-22  8:33                       ` Tudor Ambarus
2018-10-22  9:15                       ` Boris Brezillon
2018-10-22 10:03                         ` Yogesh Narayan Gaur
2018-10-22 10:10                           ` Boris Brezillon
2018-10-22 10:17                             ` Yogesh Narayan Gaur
2018-10-22 10:25                               ` Boris Brezillon
2018-10-22 10:20                           ` Boris Brezillon
2018-10-22 10:26                           ` Boris Brezillon
2018-10-22 10:39                             ` Yogesh Narayan Gaur
2018-10-22 10:46                               ` Boris Brezillon
2018-10-22 10:52                                 ` Boris Brezillon
2018-10-22 11:03                                   ` Yogesh Narayan Gaur
2018-10-22 11:43                                     ` Boris Brezillon
2018-10-22 11:46                                       ` Yogesh Narayan Gaur
2018-10-22 11:52                                         ` Boris Brezillon
2018-10-23  4:47                                           ` Yogesh Narayan Gaur
2018-10-23  5:39                                             ` Boris Brezillon
2018-10-23  8:18                                               ` Yogesh Narayan Gaur
2018-10-23  8:48                                                 ` Boris Brezillon
2018-10-23  8:59                                                   ` Yogesh Narayan Gaur
2018-10-23  9:09                                                     ` Boris Brezillon
2018-10-23  9:01                                                   ` Boris Brezillon
2018-10-23  9:05                                                     ` Yogesh Narayan Gaur
2018-10-23  9:10                                                       ` Boris Brezillon
2018-10-23  9:15                                                         ` Yogesh Narayan Gaur
2018-10-17  9:06           ` Cyrille Pitchen
2018-09-11 15:40 ` [PATCH v3 2/2] mtd: spi-nor: parse SFDP Sector Map Parameter Table Tudor Ambarus
2018-09-11 18:56   ` Marek Vasut
2018-09-18 13:09 ` [PATCH v3 0/2] add support to non-uniform SFDP SPI NOR flash memories Boris Brezillon

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