diff options
| author | Alex Porosanu <alexandru.porosanu@freescale.com> | 2015-07-17 16:54:51 +0300 |
|---|---|---|
| committer | Herbert Xu <herbert@gondor.apana.org.au> | 2015-07-20 10:53:39 +0300 |
| commit | e27513eb61bae759b7d5f340cf39d60f0d15a00b (patch) | |
| tree | 62faebe355b7728b37b408f8ed8a1259f32623c7 /drivers/crypto/caam | |
| parent | b1ccc8f4b63109f9e56fadf72274714dfb000123 (diff) | |
| download | linux-e27513eb61bae759b7d5f340cf39d60f0d15a00b.tar.xz | |
crypto: caam - fix ERA property reading
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@freescale.com>
Signed-off-by: Horia Geant? <horia.geanta@freescale.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/caam')
| -rw-r--r-- | drivers/crypto/caam/ctrl.c | 14 |
1 files 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); |