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charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On 9/23/20 8:30 AM, Tudor Ambarus - M18064 wrote: > On 9/14/20 5:09 PM, Eugen Hristev wrote: >> The PERID in the CC register for mem2mem operations must match an unused >> PERID. >> The PERID field is 7 bits, but the selected value is 0x3f. >> On later products we can have more reserved PERIDs for actual peripherals, >> thus this needs to be increased to maximum size. >> Changing the value to 0x7f, which is the maximum for 7 bits field. >> > > Maybe it is worth to explain that for memory-to-memory transfers, PERID > should be set to an unused peripheral ID, and the maximum value seems the > safest. Anyway with or without this addressed, one can add: > :) I somehow misread your commit message, you already described that, it's fine. > Reviewed-by: Tudor Ambarus > >> Signed-off-by: Eugen Hristev >> --- >> drivers/dma/at_xdmac.c | 6 +++--- >> 1 file changed, 3 insertions(+), 3 deletions(-) >> _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel