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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-09-08 13:13:47 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-09-08 13:13:47 -0400 |
| commit | 506357871c18e06565840d71c2ef9f818e19f460 (patch) | |
| tree | fd60f5d73f6178c611133895316a375417dbcf3d /include | |
| parent | c5e68c4fa55c0d65e28b4b566b50aee6c4185dab (diff) | |
| parent | 9c9c9da7aa108e6bf952c18289527a5234e4fc59 (diff) | |
| download | lwn-506357871c18e06565840d71c2ef9f818e19f460.tar.gz lwn-506357871c18e06565840d71c2ef9f818e19f460.zip | |
Merge tag 'spi-fix-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi
Pull spi fixes from Mark Brown:
"Several fixes that came in since the merge window, the major one being
a fix for the spi-mux driver which was broken by the performance
optimisations due to it peering inside the core's data structures more
than it should"
* tag 'spi-fix-v6.0-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/spi:
spi: spi: Fix queue hang if previous transfer failed
spi: mux: Fix mux interaction with fast path optimisations
spi: cadence-quadspi: Disable irqs during indirect reads
spi: bitbang: Fix lsb-first Rx
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/spi/spi.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/spi/spi.h b/include/linux/spi/spi.h index e6c73d5ff1a8..f089ee1ead58 100644 --- a/include/linux/spi/spi.h +++ b/include/linux/spi/spi.h @@ -469,6 +469,7 @@ extern struct spi_device *spi_new_ancillary_device(struct spi_device *spi, u8 ch * SPI_TRANS_FAIL_NO_START. * @queue_empty: signal green light for opportunistically skipping the queue * for spi_sync transfers. + * @must_async: disable all fast paths in the core * * Each SPI controller can communicate with one or more @spi_device * children. These make a small bus, sharing MOSI, MISO and SCK signals @@ -690,6 +691,7 @@ struct spi_controller { /* Flag for enabling opportunistic skipping of the queue in spi_sync */ bool queue_empty; + bool must_async; }; static inline void *spi_controller_get_devdata(struct spi_controller *ctlr) |