[PATCH v2] mtd: nand: raw: atmel: Respect tAR, tCLR in read setup timing

Miquel Raynal miquel.raynal at bootlin.com
Mon Sep 1 05:26:16 PDT 2025


On Thu, 21 Aug 2025 14:00:57 +0200, A. Sverdlin wrote:
> Having setup time 0 violates tAR, tCLR of some chips, for instance
> TOSHIBA TC58NVG2S3ETAI0 cannot be detected successfully (first ID byte
> being read duplicated, i.e. 98 98 dc 90 15 76 14 03 instead of
> 98 dc 90 15 76 ...).
> 
> Atmel Application Notes postulated 1 cycle NRD_SETUP without explanation
> [1], but it looks more appropriate to just calculate setup time properly.
> 
> [...]

Applied to mtd/fixes, thanks!

[1/1] mtd: nand: raw: atmel: Respect tAR, tCLR in read setup timing
      commit: fd779eac2d659668be4d3dbdac0710afd5d6db12

Patche(s) should be available on mtd/linux.git and will be
part of the next PR (provided that no robot complains by then).

Kind regards,
Miquèl




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