[PATCH 1/3] crypto: stm32/hash: avoid error if maxburst not defined

[Lionel Debieve]

From: Lionel Debieve 

dma-maxburst is an optional value and must not return
error in case of dma not used (or max-burst not defined).

Signed-off-by: Lionel Debieve 
---
 drivers/crypto/stm32/stm32-hash.c | 11 ++-
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c 
b/drivers/crypto/stm32/stm32-hash.c
index 4ca4a264a833..73cdc3b4dca8 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -1404,18 +1404,19 @@ MODULE_DEVICE_TABLE(of, stm32_hash_of_match);
 static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev,
   struct device *dev)
 {
-   int err;
-
hdev->pdata = of_device_get_match_data(dev);
if (!hdev->pdata) {
dev_err(dev, "no compatible OF match\n");
return -EINVAL;
}
 
-   err = of_property_read_u32(dev->of_node, "dma-maxburst",
-  >dma_maxburst);
+   if (of_property_read_u32(dev->of_node, "dma-maxburst",
+>dma_maxburst)) {
+   dev_info(dev, "dma-maxburst not specified, using 0\n");
+   hdev->dma_maxburst = 0;
+   }
 
-   return err;
+   return 0;
 }
 
 static int stm32_hash_probe(struct platform_device *pdev)
-- 
2.15.1

[PATCH 1/3] crypto: stm32/hash: avoid error if maxburst not defined

[Lionel Debieve]

From: Lionel Debieve 

dma-maxburst is an optional value and must not return
error in case of dma not used (or max-burst not defined).

Signed-off-by: Lionel Debieve 
---
 drivers/crypto/stm32/stm32-hash.c | 11 ++-
 1 file changed, 6 insertions(+), 5 deletions(-)

diff --git a/drivers/crypto/stm32/stm32-hash.c 
b/drivers/crypto/stm32/stm32-hash.c
index 4ca4a264a833..73cdc3b4dca8 100644
--- a/drivers/crypto/stm32/stm32-hash.c
+++ b/drivers/crypto/stm32/stm32-hash.c
@@ -1404,18 +1404,19 @@ MODULE_DEVICE_TABLE(of, stm32_hash_of_match);
 static int stm32_hash_get_of_match(struct stm32_hash_dev *hdev,
   struct device *dev)
 {
-   int err;
-
hdev->pdata = of_device_get_match_data(dev);
if (!hdev->pdata) {
dev_err(dev, "no compatible OF match\n");
return -EINVAL;
}
 
-   err = of_property_read_u32(dev->of_node, "dma-maxburst",
-  >dma_maxburst);
+   if (of_property_read_u32(dev->of_node, "dma-maxburst",
+>dma_maxburst)) {
+   dev_info(dev, "dma-maxburst not specified, using 0\n");
+   hdev->dma_maxburst = 0;
+   }
 
-   return err;
+   return 0;
 }
 
 static int stm32_hash_probe(struct platform_device *pdev)
-- 
2.15.1