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Commit e27513eb authored by Alex Porosanu's avatar Alex Porosanu Committed by Herbert Xu
Browse files

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: default avatarAlex Porosanu <alexandru.porosanu@freescale.com>
Signed-off-by: default avatarHoria Geant? <horia.geanta@freescale.com>
Signed-off-by: default avatarHerbert Xu <herbert@gondor.apana.org.au>
parent b1ccc8f4

drivers/crypto/caam/ctrl.c

+7 −7
Original line number Diff line number Diff line
@@ -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);