Re: [PATCH] fpga: zynq-fpga: Delete not needed variable

From: Matthias Brugger
Date: Fri Oct 28 2016 - 12:40:10 EST




On 28/10/16 13:27, Matthias Brugger wrote:
Variable count is never changed in the write path,
we don't need to save it for freeing the dma memory.

Signed-off-by: Matthias Brugger <mbrugger@xxxxxxxx>

This is obsolete, as Jason already has this in his patch [1].
Sorry for the noise.

[1] http://www.spinics.net/lists/arm-kernel/msg538868.html

---
drivers/fpga/zynq-fpga.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
index c2fb412..ffc2823 100644
--- a/drivers/fpga/zynq-fpga.c
+++ b/drivers/fpga/zynq-fpga.c
@@ -287,12 +287,10 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr,
struct zynq_fpga_priv *priv;
int err;
char *kbuf;
- size_t in_count;
dma_addr_t dma_addr;
u32 transfer_length;
u32 intr_status;

- in_count = count;
priv = mgr->priv;

kbuf = dma_alloc_coherent(priv->dev, count, &dma_addr, GFP_KERNEL);
@@ -338,7 +336,7 @@ static int zynq_fpga_ops_write(struct fpga_manager *mgr,
clk_disable(priv->clk);

out_free:
- dma_free_coherent(priv->dev, in_count, kbuf, dma_addr);
+ dma_free_coherent(priv->dev, count, kbuf, dma_addr);

return err;
}