From: Alex Porosanu <alexandru.porosanu@xxxxxxxxxxxxx>
In order to ensure that the ERA property is properly read from DT
on all platforms, of_property_read* function needs to be used.
Signed-off-by: Alex Porosanu <alexandru.porosanu@xxxxxxxxxxxxx>
Signed-off-by: Horia Geantă <horia.geanta@xxxxxxxxxxxxx>
---
drivers/crypto/caam/ctrl.c | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index efacab7539ef..598823746a3b 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -370,14 +370,14 @@ static void kick_trng(struct platform_device *pdev, int ent_delay)
int caam_get_era(void)
{
struct device_node *caam_node;
- for_each_compatible_node(caam_node, NULL, "fsl,sec-v4.0") {
- const uint32_t *prop = (uint32_t *)of_get_property(caam_node,
- "fsl,sec-era",
- NULL);
- return prop ? *prop : -ENOTSUPP;
- }
+ int ret;
+ u32 prop;
+
+ caam_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
+ ret = of_property_read_u32(caam_node, "fsl,sec-era", &prop);
+ of_node_put(caam_node);
- return -ENOTSUPP;
+ return IS_ERR_VALUE(ret) ? -ENOTSUPP : prop;
}
EXPORT_SYMBOL(caam_get_era);
--
2.4.4
--
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