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authorThéo Lebrun <[email protected]>2024-02-09 14:45:30 +0100
committerMark Brown <[email protected]>2024-02-21 16:27:18 +0000
commit0d62c64a8e48438545dcef7e5d2f4839ff5cfe4c (patch)
tree8172d0feedeb28c3362ab5b7d23606219cd5203c
parentafd2a4ae296d5e8b13aefb056c1060ddf302a199 (diff)
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 <[email protected]> Reviewed-by: Dhruva Gole <[email protected]> Link: https://msgid.link/r/[email protected] Signed-off-by: Mark Brown <[email protected]>
-rw-r--r--drivers/spi/spi-cadence-quadspi.c2
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;