Hi Mark Brown, On Wed, Nov 6, 2013 at 1:51 PM, Mark Brown <broonie@xxxxxxxxxx> wrote: > On Wed, Nov 06, 2013 at 10:23:07AM +0530, Rajeshwari Birje wrote: >> On Thu, Oct 31, 2013 at 6:07 PM, Tomasz Figa <t.figa@xxxxxxxxxxx> wrote: > >> > The driver as of today's linux-next does not seem to support word >> > transfers. Do you have some additional, out of tree patches that add >> > such support? > >> Yes I set the bits_per_word to 32/16 in drivers/mtd/devices/m25p80.c >> m25p_probe function and the call spi_setup(spi). > > This sound wrong. If you just set bits per word then this should result > in data corruption on the bus since it should cause the words written to > the bus to be reordered. Are you sure that the existing driver isn't > working correctly? The reordering of the words is taken care by the Swap configuration (swap_cfg) register, which I have set for both 16 and 32 bits_per_word case. I have tested this patch and works fine for me and also has improved the timing performance. -- Regards, Rajeshwari Shinde -- To unsubscribe from this list: send the line "unsubscribe linux-samsung-soc" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
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