Messages in this thread | | | From | <> | Subject | Re: [PATCH 1/9] spi: atmel-quadspi: optimize qspi init | Date | Thu, 31 Jan 2019 10:42:45 +0000 |
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On 01/30/2019 07:15 PM, Boris Brezillon wrote: > On Wed, 30 Jan 2019 15:08:29 +0000 > <Tudor.Ambarus@microchip.com> wrote: > >> From: Tudor Ambarus <tudor.ambarus@microchip.com> >> >> Set the QSPI controller in Serial Memory Mode at init and not >> at each exec_op() call. > > If you ever want to support regular SPI you'll have to put it back to > atmel_qspi_exec_op(), so I'm not sure this is a good move. Another > approach would be to cache the MR value to avoid doing a write access > on the bus when the value hasn't changed.
I'll cache MR value, thanks!
ta
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