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path: root/drivers/dma/sh
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Diffstat (limited to 'drivers/dma/sh')
-rw-r--r--drivers/dma/sh/usb-dmac.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/dma/sh/usb-dmac.c b/drivers/dma/sh/usb-dmac.c
index a9b4302f6050..f7cd0cad056c 100644
--- a/drivers/dma/sh/usb-dmac.c
+++ b/drivers/dma/sh/usb-dmac.c
@@ -706,10 +706,10 @@ static const struct dev_pm_ops usb_dmac_pm = {
static int usb_dmac_chan_probe(struct usb_dmac *dmac,
struct usb_dmac_chan *uchan,
- unsigned int index)
+ u8 index)
{
struct platform_device *pdev = to_platform_device(dmac->dev);
- char pdev_irqname[5];
+ char pdev_irqname[6];
char *irqname;
int ret;
@@ -717,7 +717,7 @@ static int usb_dmac_chan_probe(struct usb_dmac *dmac,
uchan->iomem = dmac->iomem + USB_DMAC_CHAN_OFFSET(index);
/* Request the channel interrupt. */
- sprintf(pdev_irqname, "ch%u", index);
+ scnprintf(pdev_irqname, sizeof(pdev_irqname), "ch%u", index);
uchan->irq = platform_get_irq_byname(pdev, pdev_irqname);
if (uchan->irq < 0)
return -ENODEV;
@@ -768,8 +768,8 @@ static int usb_dmac_probe(struct platform_device *pdev)
const enum dma_slave_buswidth widths = USB_DMAC_SLAVE_BUSWIDTH;
struct dma_device *engine;
struct usb_dmac *dmac;
- unsigned int i;
int ret;
+ u8 i;
dmac = devm_kzalloc(&pdev->dev, sizeof(*dmac), GFP_KERNEL);
if (!dmac)
@@ -869,7 +869,7 @@ static void usb_dmac_chan_remove(struct usb_dmac *dmac,
static void usb_dmac_remove(struct platform_device *pdev)
{
struct usb_dmac *dmac = platform_get_drvdata(pdev);
- int i;
+ u8 i;
for (i = 0; i < dmac->n_channels; ++i)
usb_dmac_chan_remove(dmac, &dmac->channels[i]);