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According to the datasheet: https://datasheet.octopart.com/MT35XU02GCBA1G12-0AAT-Micron-datasheet-138896808.pdf these chips all support die erase command, but do not support chip erase. But accroding to test, mt35xu512aba support chip erase, do not support die erase. mt35xu01gbba do not support chip erase, but support die erase. This patch set clean up the mt35xu512aba, and add mt35xu01gbba. since do not have mt35xu02gcba to do the test, just add some comment under mt35xu02gcba for further work. Signed-off-by: Haibo Chen --- Changes in v4: - PATCH 2: change the commit log accroding to Tudor's suggestion. - PATCH 3/4: remove sector_size, SFDP alredy contain this info. - PATCH 5: change the commit message according to Tudor's suggestion. - Link to v3: https://lore.kernel.org/r/20251112-nor-v3-0-20aaff727c7d@nxp.com Changes in v3: - only change the commit message of PATCH4, no other change. - Link to v2: https://lore.kernel.org/r/20251112-nor-v2-0-8699383714b9@nxp.com Changes in v2: - PATCH 1: edit the commit message, mention the function move a bit up, and add Tudor's ack. - PATCH 2: new involved in v2, move set_octal_dtr to late_init() to benifit all micron/st chips. - PATCH 3: v1 add die erase for mt35xu512aba, but find it is wrong after test. mt35xu512aba can support chip erase, but not die erase. v2 also remove some fixup flags and size, because mt35xu512aba has SFDP. - PATCH 4: V2 use SFDP, remove some fixup flags and size. - PATCH 5: V2 remove the code change for mt35xu02gcba, because has no chip to test, just add some comment to remider a code change in future if has a chance to test on this chip. - Link to v1: https://lore.kernel.org/r/20251110-nor-v1-0-cde50c81db05@nxp.com --- Haibo Chen (5): mtd: spi-nor: micron-st: rename the die_late_init functions mtd: spi-nor: micron-st: move set_octal_dtr to late_init() mtd: spi-nor: micron-st: use SFDP of mt35xu512aba mtd: spi-nor: micron-st: add mt35xu01gbba support mtd: spi-nor: micron-st: add comment for mt35xu02gcba drivers/mtd/spi-nor/micron-st.c | 101 +++++++++++++++++++++++----------------- 1 file changed, 57 insertions(+), 44 deletions(-) --- base-commit: b179ce312bafcb8c68dc718e015aee79b7939ff0 change-id: 20251107-nor-84fe07ec3363 Best regards, -- Haibo Chen