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| author | Théo Lebrun <theo.lebrun@bootlin.com> | 2024-02-09 14:45:30 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2024-02-21 17:27:18 +0100 |
| commit | 0d62c64a8e48438545dcef7e5d2f4839ff5cfe4c (patch) | |
| tree | 8172d0feedeb28c3362ab5b7d23606219cd5203c /drivers/spi/spi-cadence-quadspi.c | |
| parent | spi: spi-summary.rst: fix underline length (diff) | |
| download | linux-0d62c64a8e48438545dcef7e5d2f4839ff5cfe4c.tar.xz linux-0d62c64a8e48438545dcef7e5d2f4839ff5cfe4c.zip | |
spi: cadence-qspi: assert each subnode flash CS is valid
Check each flash CS against the num-cs property from devicetree.
Fallback to the driver max supported value (CQSPI_MAX_CHIPSELECT) if
num-cs isn't present.
cqspi->num_chipselect is set in cqspi_of_get_pdata() to the num-cs
devicetree property, or to CQSPI_MAX_CHIPSELECT if num-cs is not set.
Signed-off-by: Théo Lebrun <theo.lebrun@bootlin.com>
Reviewed-by: Dhruva Gole <d-gole@ti.com>
Link: https://msgid.link/r/20240209-cdns-qspi-cs-v1-1-a4f9dfed9ab4@bootlin.com
Signed-off-by: Mark Brown <broonie@kernel.org>
Diffstat (limited to 'drivers/spi/spi-cadence-quadspi.c')
| -rw-r--r-- | drivers/spi/spi-cadence-quadspi.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/spi/spi-cadence-quadspi.c b/drivers/spi/spi-cadence-quadspi.c index a5e2f7786b76..a397f2c2b5fc 100644 --- a/drivers/spi/spi-cadence-quadspi.c +++ b/drivers/spi/spi-cadence-quadspi.c @@ -1635,7 +1635,7 @@ static int cqspi_setup_flash(struct cqspi_st *cqspi) return ret; } - if (cs >= CQSPI_MAX_CHIPSELECT) { + if (cs >= cqspi->num_chipselect) { dev_err(dev, "Chip select %d out of range.\n", cs); of_node_put(np); return -EINVAL; |