Messages in this thread | | | Date | Sat, 13 Sep 2014 23:36:24 +0800 | From | Huang Shijie <> | Subject | Re: [PATCH] mtd: nand: gpmi: add proper raw access support |
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On Fri, Sep 12, 2014 at 02:30:50PM +0200, Boris BREZILLON wrote: > On Fri, 12 Sep 2014 08:45:50 +0800 > > My bad, capabilities might not be the appropriate word in this context. > I meant ECC algorithm strength, and that's exactly the purpose of > nandbiterrs testsuite: insert bitflips in in-band data until the MTD > layer complains about uncorrectable errors. okay.
> This test validates what's returned by ecc_strength file in sysfs > (which in turn is specified by the NAND controller when initializing > the NAND chip). > > Doing this should not imply knowing the ECC algorithm in use in the > NAND controller or the layout used to store data on NAND. the difficulty is that the ECC parity area can be not byte aligned.
As I ever said, it is hard to implement the two hooks.
thanks Huang Shijie
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