diff options
| author | David Lechner <[email protected]> | 2024-07-23 13:36:47 -0500 |
|---|---|---|
| committer | Mark Brown <[email protected]> | 2024-07-29 01:23:21 +0100 |
| commit | f8918ef1267edab4d9b2154c22a912c87cc66f66 (patch) | |
| tree | 8623fbdc1dbf213f9f2cbc240ae86ed00a29b628 /drivers/fpga/fpga-bridge.c | |
| parent | 8400291e289ee6b2bf9779ff1c83a291501f017b (diff) | |
spi: axi-spi-engine: don't emit XFER_BITS for empty xfer
This adds a check on xfer->len to avoid emitting an XFER_BITS
instruction for empty transfers in the AXI SPI Engine driver. This
avoids unnecessary delays caused by executing an instruction that has
no effect on the actual SPI transfer.
Signed-off-by: David Lechner <[email protected]>
Reviewed-by: Nuno Sa <[email protected]>
Link: https://patch.msgid.link/20240723-spi-axi-spi-engine-opt-bpw-v1-1-2625ba4c4387@baylibre.com
Signed-off-by: Mark Brown <[email protected]>
Diffstat (limited to 'drivers/fpga/fpga-bridge.c')
0 files changed, 0 insertions, 0 deletions