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 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/