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dmaengine: tegra: make byte counters unsigned int

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The buffer byte request length and counter are declared as signed integers
but the values should never be below zero, so make these unsigned integers
instead.

Reviewed-by: Dmitry Osipenko <digetx@gmail.com>
Signed-off-by: Ben Dooks <ben.dooks@codethink.co.uk>
Signed-off-by: Vinod Koul <vkoul@kernel.org>
This commit is contained in:
Ben Dooks 2018-11-21 16:13:20 +00:00 committed by Vinod Koul
parent e486df3930
commit 216a1d7da0
1 changed files with 3 additions and 3 deletions
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6
drivers/dma/tegra20-apb-dma.c
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@ -155,7 +155,7 @@ struct tegra_dma_channel_regs {
*/
struct tegra_dma_sg_req {
struct tegra_dma_channel_regs ch_regs;
int req_len;
unsigned int req_len;
bool configured;
bool last_sg;
struct list_head node;
@ -169,8 +169,8 @@ struct tegra_dma_sg_req {
*/
struct tegra_dma_desc {
struct dma_async_tx_descriptor txd;
int bytes_requested;
int bytes_transferred;
unsigned int bytes_requested;
unsigned int bytes_transferred;
enum dma_status dma_status;
struct list_head node;
struct list_head tx_list;