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Date: Tue, 24 Nov 2020 14:35:00 -0600 From: Michael Auchter <michael.auchter@...com> To: Marco Felsch <m.felsch@...gutronix.de> Cc: tudor.ambarus@...rochip.com, miquel.raynal@...tlin.com, richard@....at, vigneshr@...com, sergei.shtylyov@...entembedded.com, boris.brezillon@...labora.com, michael@...le.cc, j.neuschaefer@....net, linux-mtd@...ts.infradead.org, kernel@...gutronix.de, linux-kernel@...r.kernel.org, joerg.hofrichter@...com Subject: Re: [PATCH 0/3] MTD: SST SPI-NOR fixes Hello Marco, On Fri, Sep 11, 2020 at 04:47:00PM +0200, Marco Felsch wrote: > Hi, > > Patch 1-2: write path fixes > The sst write path is completely broken since v5.7-rc1 and in rare cases > since the support of the sst_write() function (49aac4aec53c). > > Patch 3: cleanup > > I've tested my patches with a small test app to ensure writes starting > on an odd address and with dd to test even start addresses. My dut was > an public available imx6q-sabrelite (rev.D). > Other testers are welcome :) > > Regards, > Marco > > Marco Felsch (3): > mtd: spi-nor: sst: fix write support for SST_WRITE marked devices > mtd: spi-nor: sst: add missing write_enable > mtd: spi-nor: sst: move sst_write_second to local driver > > drivers/mtd/spi-nor/core.c | 15 +++++++++------ > drivers/mtd/spi-nor/sst.c | 15 +++++++++++---- > include/linux/mtd/spi-nor.h | 2 -- > 3 files changed, 20 insertions(+), 12 deletions(-) > > -- > 2.20.1 My colleague, Joerg, has validated that these patches fix an issue we saw where performing multi-byte writes to a SST25VF016B would fail. Tested-by: Joerg Hofrichter <joerg.hofrichter@...com> Thanks, Michael
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