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| author | Patrice Chotard <patrice.chotard@foss.st.com> | 2021-05-18 18:27:54 +0200 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2021-06-03 14:04:58 +0100 |
| commit | 86d1c6bbae32122c5f703b2d8acccf5d4258f2bb (patch) | |
| tree | bb25857b3c8f62cf4681893e610797524883ffb0 /include/linux/spi | |
| parent | 8941cd8d295e40f8ea1c0a5045d6d068b8e33eec (diff) | |
| download | linux-stable-86d1c6bbae32122c5f703b2d8acccf5d4258f2bb.tar.gz linux-stable-86d1c6bbae32122c5f703b2d8acccf5d4258f2bb.tar.bz2 linux-stable-86d1c6bbae32122c5f703b2d8acccf5d4258f2bb.zip | |
spi: stm32-qspi: add automatic poll status feature
STM32 QSPI is able to automatically poll a specified register inside the
memory and relieve the CPU from this task.
As example, when erasing a large memory area, we got cpu load
equal to 50%. This patch allows to perform the same operation
with a cpu load around 2%.
Signed-off-by: Christophe Kerello <christophe.kerello@foss.st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
Link: https://lore.kernel.org/r/20210518162754.15940-4-patrice.chotard@foss.st.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'include/linux/spi')
0 files changed, 0 insertions, 0 deletions