spi: stm32-qspi: Remove CR_TCIE and CR_TEIE irq usage

Browse source

Replace CR_TCIE and CR_TEIE irq usage by a read_poll_timeout_atomic() in
stm32_qspi_wait_cmd(). It will reduce the time waiting for TCF or TEF flags
to optimize throughput.
						before		after
average time spent in stm32_qspi_wait_cmd:	2615 ns		712 ns

Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://patch.msgid.link/20251208-upstream_qspi_ospi_updates-v2-7-62526c9467dc@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>

...

This commit is contained in:

Patrice Chotard 2025-12-08 08:29:14 +01:00 • committed by Mark Brown

parent 1ca9128164

commit c5f76d8888

No known key found for this signature in database

GPG key ID: 24D68B725D5487D0

1 changed files with 13 additions and 32 deletions

Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL

Download patch file Download diff file Expand all files Collapse all files

45

drivers/spi/spi-stm32-qspi.c

View file