These changes are the raw update to linux-4.4.6-rt14. Kernel sources

[kvmfornfv.git] / kernel / drivers / crypto / amcc / crypto4xx_core.c

diff --git a/kernel/drivers/crypto/amcc/crypto4xx_core.c b/kernel/drivers/crypto/amcc/crypto4xx_core.c
index 3b28e8c..58a630e 100644 (file)
--- a/kernel/drivers/crypto/amcc/crypto4xx_core.c
+++ b/kernel/drivers/crypto/amcc/crypto4xx_core.c
@@ -740,26 +740,6 @@ void crypto4xx_return_pd(struct crypto4xx_device *dev,
        pd_uinfo->state = PD_ENTRY_FREE;
 }
 
-/*
- * derive number of elements in scatterlist
- * Shamlessly copy from talitos.c
- */
-static int get_sg_count(struct scatterlist *sg_list, int nbytes)
-{
-       struct scatterlist *sg = sg_list;
-       int sg_nents = 0;
-
-       while (nbytes) {
-               sg_nents++;
-               if (sg->length > nbytes)
-                       break;
-               nbytes -= sg->length;
-               sg = sg_next(sg);
-       }
-
-       return sg_nents;
-}
-
 static u32 get_next_gd(u32 current)
 {
        if (current != PPC4XX_LAST_GD)
@@ -800,7 +780,7 @@ u32 crypto4xx_build_pd(struct crypto_async_request *req,
        u32 gd_idx = 0;
 
        /* figure how many gd is needed */
-       num_gd = get_sg_count(src, datalen);
+       num_gd = sg_nents_for_len(src, datalen);
        if (num_gd == 1)
                num_gd = 0;
 
@@ -1113,7 +1093,7 @@ static irqreturn_t crypto4xx_ce_interrupt_handler(int irq, void *data)
        struct device *dev = (struct device *)data;
        struct crypto4xx_core_device *core_dev = dev_get_drvdata(dev);
 
-       if (core_dev->dev->ce_base == 0)
+       if (!core_dev->dev->ce_base)
                return 0;
 
        writel(PPC4XX_INTERRUPT_CLR,
@@ -1284,6 +1264,7 @@ static const struct of_device_id crypto4xx_match[] = {
        { .compatible      = "amcc,ppc4xx-crypto",},
        { },
 };
+MODULE_DEVICE_TABLE(of, crypto4xx_match);
 
 static struct platform_driver crypto4xx_driver = {
        .driver = {