>> [...] >The NAND controller on the MSM has limited support for subpage >operations. The problem is that it does ECC across the entire >page data. This is necessary in order to support MLC NAND >devices. Hmm. Ok. >Is the requirement to do subpage read, or subpage writing? Subpage writing and reading in order to perform ubiformat operations. >Subpage writing is not possible on MLC NAND (it isn't even >permitted to overwrite data to zero things out). Depending on >which data is needed, subpage reading could be done, but would >transfer at least 1/4 of the page anyway. Thats bad. But it seems we need to take it, in order to get ubifs working on this device. >David dito ;-)
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