diff options
| author | Han Xu <han.xu@nxp.com> | 2026-07-22 17:00:43 -0500 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-07-23 15:23:13 +0100 |
| commit | 38d11bb2cd1d902d7ab178f0a6d78d2bafd2d720 (patch) | |
| tree | 9a5b38b2a202c636e563c5aaa26291863aa0dd5e /tools/perf/scripts/python/bin/task-analyzer-record | |
| parent | 6f99efb115269b822d9a13139fbdfbd4b5ca6739 (diff) | |
spi: nxp-xspi: Improve AHB read performance with DMA
Use eDMA for XSPI AHB read to improve the performance.
Read with CPU
root@imx943evk:~# dd if=/dev/mtd0 of=/dev/null bs=32M count=1
1+0 records in
1+0 records out
33554432 bytes (34 MB, 32 MiB) copied, 0.479719 s, 69.9 MB/s
Read with DMA
root@imx943evk:~# dd if=/dev/mtd0 of=/dev/null bs=32M count=1
1+0 records in
1+0 records out
33554432 bytes (34 MB, 32 MiB) copied, 0.115788 s, 290 MB/s
Signed-off-by: Han Xu <han.xu@nxp.com>
Reviewed-by: Frank Li <Frank.Li@nxp.com>
Link: https://patch.msgid.link/20260722-xspi_dma_upstream-v3-2-6b7ff50cae8e@nxp.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/bin/task-analyzer-record')
0 files changed, 0 insertions, 0 deletions