[PATCH 01/11] of: address: clean-up unused variable in of_dma_get_range()

Nicolas Saenz Julienne
2019-09-24T18:12:54Z

'len' in of_dma_get_range() is used to check the 'dma-ranges' property
length. After the fact, some calculations are run on the variable to be
then left unused.

Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
---

drivers/of/address.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/of/address.c b/drivers/of/address.c
index 978427a9d5e6..0f898756199d 100644
--- a/drivers/of/address.c
+++ b/drivers/of/address.c
@@ -922,7 +922,7 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz
{
struct device_node *node = of_node_get(np);
const __be32 *ranges = NULL;
- int len, naddr, nsize, pna;
+ int naddr, nsize, pna;
int ret = 0;
u64 dmaaddr;

@@ -931,6 +931,7 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz

while (1) {
struct device_node *parent;
+ int len;

naddr = of_n_addr_cells(node);
nsize = of_n_size_cells(node);
@@ -962,8 +963,6 @@ int of_dma_get_range(struct device_node *np, u64 *dma_addr, u64 *paddr, u64 *siz
goto out;
}

- len /= sizeof(u32);
-
pna = of_n_addr_cells(node);

/* dma-ranges format:
--
2.23.0