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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-13 08:19:37 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2025-05-13 08:19:37 +0200 |
| commit | 991919e969043a4422dfebbcadf600a5d28b94e4 (patch) | |
| tree | 4776f9f162c665a9735198fafc466d3e49a14253 /drivers/spi/spi-mem.c | |
| parent | 73ed6faed58e5611abfb54c2f703eec091781d63 (diff) | |
| parent | 82f2b0b97b36ee3fcddf0f0780a9a0825d52fec3 (diff) | |
Merge 6.15-rc6 into char-misc-next
We need the iio/hyperv fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/spi/spi-mem.c')
| -rw-r--r-- | drivers/spi/spi-mem.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/spi/spi-mem.c b/drivers/spi/spi-mem.c index a31a1db07aa4d..5db0639d3b015 100644 --- a/drivers/spi/spi-mem.c +++ b/drivers/spi/spi-mem.c @@ -596,7 +596,11 @@ u64 spi_mem_calc_op_duration(struct spi_mem_op *op) ns_per_cycles = 1000000000 / op->max_freq; ncycles += ((op->cmd.nbytes * 8) / op->cmd.buswidth) / (op->cmd.dtr ? 2 : 1); ncycles += ((op->addr.nbytes * 8) / op->addr.buswidth) / (op->addr.dtr ? 2 : 1); - ncycles += ((op->dummy.nbytes * 8) / op->dummy.buswidth) / (op->dummy.dtr ? 2 : 1); + + /* Dummy bytes are optional for some SPI flash memory operations */ + if (op->dummy.nbytes) + ncycles += ((op->dummy.nbytes * 8) / op->dummy.buswidth) / (op->dummy.dtr ? 2 : 1); + ncycles += ((op->data.nbytes * 8) / op->data.buswidth) / (op->data.dtr ? 2 : 1); return ncycles * ns_per_cycles; |