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authorMark Brown <broonie@kernel.org>2025-12-15 10:09:43 +0900
committerMark Brown <broonie@kernel.org>2025-12-15 10:09:43 +0900
commit403a4f3c27736f7b2e8e28aa1ab64708b0bd6bcb (patch)
treeaca8f1a1d5fd5020a26736a8f66f323e02db8c75 /include/linux/i2c/git@git.tavy.me:linux.git
parentb884e34994ca41f7b7819f3c41b78ff494787b27 (diff)
parentfee876b2ec75dcc18fdea154eae1f5bf14d82659 (diff)
spi: stm32: Update for OSPI and QSPI drivers
Merge series from Patrice Chotard <patrice.chotard@foss.st.com>: This serie applies the following updates on the spi-stm32-ospi and spi-stm32-qspi dirvers : _ Update FIFO accesses using u16 and u32 when possible instead of u8 only to optimize throughput. _ Replace Transmit Complete and Transmit Error interrupt management by usage of read_poll_timeout_atomic() to optimize throughtput. _ Simplify Status Match interrupt check. _ Set DMA burst configuration dynamically. Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com> --- Changes in v2: - Fix compilation error in stm32_ospi_wait_cmd() - Link to v1: https://lore.kernel.org/r/20251205-upstream_qspi_ospi_updates-v1-0-7e6c8b9f5141@foss.st.com --- Patrice Chotard (8): spi: stm32-ospi: Set DMA maxburst dynamically spi: stm32-ospi: Optimize FIFO accesses using u16 or u32 spi: stm32-ospi: Remove CR_TCIE and CR_TEIE irq usage spi: stm32-ospi: Simplify SMIE interrupt test spi: stm32-qspi: Set DMA maxburst dynamically spi: stm32-qspi: Optimize FIFO accesses using u16 or u32 spi: stm32-qspi: Remove CR_TCIE and CR_TEIE irq usage spi: stm32-qspi: Simplify SMIE interrupt test drivers/spi/spi-stm32-ospi.c | 107 +++++++++++++++++++++++++---------------- drivers/spi/spi-stm32-qspi.c | 111 +++++++++++++++++++++++++------------------ 2 files changed, 132 insertions(+), 86 deletions(-) --- base-commit: 7d0a66e4bb9081d75c82ec4957c50034cb0ea449 change-id: 20251205-upstream_qspi_ospi_updates-4faf7a3b098c Best regards, -- Patrice Chotard <patrice.chotard@foss.st.com>
Diffstat (limited to 'include/linux/i2c/git@git.tavy.me:linux.git')
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