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| /openbmc/linux/drivers/mtd/hyperbus/ |
| H A D | hbmc-am654.c | diff 00c9cf49a6136e0839eaa2c74fbd58c607318b2c Thu Sep 24 03:12:14 CDT 2020 Vignesh Raghavendra <vigneshr@ti.com> mtd: hyperbus: hbmc-am654: Add DMA support for reads
AM654 HyperBus controller provides MMIO interface to read data from
flash. So add DMA memcpy support for reading data over MMIO interface.
This provides 5x improvement in throughput and reduces CPU usage as
well.
Signed-off-by: Vignesh Raghavendra <vigneshr@ti.com>
Reviewed-by: Peter Ujfalusi <peter.ujfalusi@ti.com>
Link: https://lore.kernel.org/r/20200924081214.16934-5-vigneshr@ti.com
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