Messages in this thread | | | Date | Tue, 16 Oct 2018 14:04:11 +0200 | From | Boris Brezillon <> | Subject | Re: [PATCH v3 1/2] mtd: spi-nor: add support to non-uniform SFDP SPI NOR flash memories |
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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").
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