In some device trees of previous version, there were string "fsl,sec4.0".
To be backward compatible with device trees, we have CAAM driver first
check "fsl,sec-v4.0", if it fails, then check for "fsl,sec4.0".
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@xxxxxxxxxxxxx>
---
drivers/crypto/caam/caamalg.c | 14 ++++++++++----
drivers/crypto/caam/ctrl.c | 16 ++++++++++++++++
2 files changed, 26 insertions(+), 4 deletions(-)
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index e73cf2e..d10d00b 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -2152,8 +2152,11 @@ static void __exit caam_algapi_exit(void)
int i, err;
dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
- if (!dev_node)
- return;
+ if (!dev_node) {
+ dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
+ if (!dev_node)
+ return;
+ }
pdev = of_find_device_by_node(dev_node);
if (!pdev)
@@ -2234,8 +2237,11 @@ static int __init caam_algapi_init(void)
int i = 0, err = 0;
dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec-v4.0");
- if (!dev_node)
- return -ENODEV;
+ if (!dev_node) {
+ dev_node = of_find_compatible_node(NULL, NULL, "fsl,sec4.0");
+ if (!dev_node)
+ return -ENODEV;
+ }
pdev = of_find_device_by_node(dev_node);
if (!pdev)
diff --git a/drivers/crypto/caam/ctrl.c b/drivers/crypto/caam/ctrl.c
index 8ae3ba2..f078fa0 100644
--- a/drivers/crypto/caam/ctrl.c
+++ b/drivers/crypto/caam/ctrl.c
@@ -98,6 +98,12 @@ static int caam_probe(struct platform_device *pdev)
rspec = 0;
for_each_compatible_node(np, NULL, "fsl,sec-v4.0-job-ring")
rspec++;
+ if (!rspec) {
+ /* for backward compatible with device trees */
+ for_each_compatible_node(np, NULL, "fsl,sec4.0-job-ring")
+ rspec++;
+ }
+
ctrlpriv->jrdev = kzalloc(sizeof(struct device *) * rspec, GFP_KERNEL);
if (ctrlpriv->jrdev == NULL) {
iounmap(&topregs->ctrl);
@@ -111,6 +117,13 @@ static int caam_probe(struct platform_device *pdev)
ctrlpriv->total_jobrs++;
ring++;
}
+ if (!ring) {
+ for_each_compatible_node(np, NULL, "fsl,sec4.0-job-ring") {
+ caam_jr_probe(pdev, np, ring);
+ ctrlpriv->total_jobrs++;
+ ring++;
+ }
+ }
/* Check to see if QI present. If so, enable */
ctrlpriv->qi_present = !!(rd_reg64(&topregs->ctrl.perfmon.comp_parms) &
@@ -226,6 +239,9 @@ static struct of_device_id caam_match[] = {
{
.compatible = "fsl,sec-v4.0",
},
+ {
+ .compatible = "fsl,sec4.0",
+ },
{},
};
MODULE_DEVICE_TABLE(of, caam_match);
--
1.7.0.4
--
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