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| author | Alexei Starovoitov <ast@kernel.org> | 2025-07-18 12:14:51 -0700 |
|---|---|---|
| committer | Alexei Starovoitov <ast@kernel.org> | 2025-07-18 12:15:59 -0700 |
| commit | beb1097ec8bdf15e2fed3301920a719e0dd2250a (patch) | |
| tree | 026a9569edbac6e1387a0cd9d7574e8b74795c05 /drivers/spi/spi-fsl-dspi.c | |
| parent | libbpf: Fix warning in calloc() usage (diff) | |
| parent | Merge tag 'pmdomain-v6.16-rc2' of git://git.kernel.org/pub/scm/linux/kernel/g... (diff) | |
| download | linux-beb1097ec8bdf15e2fed3301920a719e0dd2250a.tar.gz linux-beb1097ec8bdf15e2fed3301920a719e0dd2250a.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf after rc6
Cross-merge BPF and other fixes after downstream PR.
No conflicts.
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to 'drivers/spi/spi-fsl-dspi.c')
| -rw-r--r-- | drivers/spi/spi-fsl-dspi.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/spi/spi-fsl-dspi.c b/drivers/spi/spi-fsl-dspi.c index 863781ba6c16..0dcd49114095 100644 --- a/drivers/spi/spi-fsl-dspi.c +++ b/drivers/spi/spi-fsl-dspi.c @@ -983,11 +983,20 @@ static int dspi_transfer_one_message(struct spi_controller *ctlr, if (dspi->devtype_data->trans_mode == DSPI_DMA_MODE) { status = dspi_dma_xfer(dspi); } else { + /* + * Reinitialize the completion before transferring data + * to avoid the case where it might remain in the done + * state due to a spurious interrupt from a previous + * transfer. This could falsely signal that the current + * transfer has completed. + */ + if (dspi->irq) + reinit_completion(&dspi->xfer_done); + dspi_fifo_write(dspi); if (dspi->irq) { wait_for_completion(&dspi->xfer_done); - reinit_completion(&dspi->xfer_done); } else { do { status = dspi_poll(dspi); |