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crypto: caam - save Era in driver's private data

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Save Era in driver's private data for further usage,
like deciding whether an erratum applies or a feature is available
based on its value.

Signed-off-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Horia Geantă 2017-12-19 12:16:06 +02:00 committed by Herbert Xu
parent 662f70ede5
commit 9fe712df08
2 changed files with 4 additions and 1 deletions
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4
drivers/crypto/caam/ctrl.c
View File

@ -611,6 +611,8 @@ static int caam_probe(struct platform_device *pdev)
goto iounmap_ctrl;
}
ctrlpriv->era = caam_get_era();
ret = of_platform_populate(nprop, caam_match, NULL, dev);
if (ret) {
dev_err(dev, "JR platform devices creation error\n");
@ -742,7 +744,7 @@ static int caam_probe(struct platform_device *pdev)
/* Report "alive" for developer to see */
dev_info(dev, "device ID = 0x%016llx (Era %d)\n", caam_id,
caam_get_era());
ctrlpriv->era);
dev_info(dev, "job rings = %d, qi = %d, dpaa2 = %s\n",
ctrlpriv->total_jobrs, ctrlpriv->qi_present,
caam_dpaa2 ? "yes" : "no");

1
drivers/crypto/caam/intern.h
View File

@ -84,6 +84,7 @@ struct caam_drv_private {
u8 qi_present; /* Nonzero if QI present in device */
int secvio_irq; /* Security violation interrupt number */
int virt_en; /* Virtualization enabled in CAAM */
int era; /* CAAM Era (internal HW revision) */
#define RNG4_MAX_HANDLES 2
/* RNG4 block */