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SubjectRe: [RESEND PATCH] mtd: spi-nor: core: Check written SR value in spi_nor_write_16bit_sr_and_check()
On Thu, Jan 27, 2022 at 6:38 AM Michael Walle <michael@walle.cc> wrote:
> Out of curiosity, on what flash did you discover this?

It's Winbond W25Q64JWZPIM
https://www.winbond.com/hq/product/code-storage-flash-memory/serial-nor-flash/?__locale=en&partNo=W25Q64JW

We are verifying the write protection on W25Q64JWZPIM and run into an
issue that spi_nor_sr_unlock() always return success even if HW & SW
write protection are both enabled.

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