Thread (3 messages) 3 messages, 3 authors, 2015-11-24

Re: [PATCH] crypto: nx: use of_property_read_u32()

From: Dan Streetman <hidden>
Date: 2015-11-23 14:17:04
Also in: lkml

On Mon, Nov 23, 2015 at 4:56 AM, Saurabh Sengar [off-list ref] wrote:
use of_propert_read_u32() for reading int value,
it can help reducing number of variables used

Signed-off-by: Saurabh Sengar <redacted>
Acked-by: Dan Streetman <redacted>
quoted hunk ↗ jump to hunk
---
 drivers/crypto/nx/nx-842-powernv.c | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/crypto/nx/nx-842-powernv.c b/drivers/crypto/nx/nx-842-powernv.c
index 9ef51fa..87f7a0f 100644
--- a/drivers/crypto/nx/nx-842-powernv.c
+++ b/drivers/crypto/nx/nx-842-powernv.c
@@ -525,7 +525,6 @@ static int nx842_powernv_decompress(const unsigned char *in, unsigned int inlen,
 static int __init nx842_powernv_probe(struct device_node *dn)
 {
        struct nx842_coproc *coproc;
-       struct property *ct_prop, *ci_prop;
        unsigned int ct, ci;
        int chip_id;
@@ -534,18 +533,16 @@ static int __init nx842_powernv_probe(struct device_node *dn)
                pr_err("ibm,chip-id missing\n");
                return -EINVAL;
        }
-       ct_prop = of_find_property(dn, "ibm,842-coprocessor-type", NULL);
-       if (!ct_prop) {
+
+       if (of_property_read_u32(dn, "ibm,842-coprocessor-type", &ct)) {
                pr_err("ibm,842-coprocessor-type missing\n");
                return -EINVAL;
        }
-       ct = be32_to_cpu(*(unsigned int *)ct_prop->value);
-       ci_prop = of_find_property(dn, "ibm,842-coprocessor-instance", NULL);
-       if (!ci_prop) {
+
+       if (of_property_read_u32(dn, "ibm,842-coprocessor-instance", &ci)) {
                pr_err("ibm,842-coprocessor-instance missing\n");
                return -EINVAL;
        }
-       ci = be32_to_cpu(*(unsigned int *)ci_prop->value);

        coproc = kmalloc(sizeof(*coproc), GFP_KERNEL);
        if (!coproc)
--
1.9.1
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