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path: root/drivers/usb/dwc3/dwc3-omap.c
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Diffstat (limited to 'drivers/usb/dwc3/dwc3-omap.c')
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c21
1 files changed, 4 insertions, 17 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 22e9606d8e08..af264493bbae 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -126,8 +126,6 @@ struct dwc3_omap {
u32 debug_offset;
u32 irq0_offset;
- u32 dma_status:1;
-
struct extcon_dev *edev;
struct notifier_block vbus_nb;
struct notifier_block id_nb;
@@ -277,9 +275,6 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap)
reg = dwc3_omap_read_irqmisc_status(omap);
- if (reg & USBOTGSS_IRQMISC_DMADISABLECLR)
- omap->dma_status = false;
-
dwc3_omap_write_irqmisc_status(omap, reg);
reg = dwc3_omap_read_irq0_status(omap);
@@ -331,8 +326,6 @@ static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
dwc3_omap_write_irqmisc_clr(omap, reg);
}
-static u64 dwc3_omap_dma_mask = DMA_BIT_MASK(32);
-
static int dwc3_omap_id_notifier(struct notifier_block *nb,
unsigned long event, void *ptr)
{
@@ -490,13 +483,12 @@ static int dwc3_omap_probe(struct platform_device *pdev)
omap->irq = irq;
omap->base = base;
omap->vbus_reg = vbus_reg;
- dev->dma_mask = &dwc3_omap_dma_mask;
pm_runtime_enable(dev);
ret = pm_runtime_get_sync(dev);
if (ret < 0) {
dev_err(dev, "get_sync failed with err %d\n", ret);
- goto err0;
+ goto err1;
}
dwc3_omap_map_offset(omap);
@@ -504,7 +496,6 @@ static int dwc3_omap_probe(struct platform_device *pdev)
/* check the DMA Status */
reg = dwc3_omap_readl(omap->base, USBOTGSS_SYSCONFIG);
- omap->dma_status = !!(reg & USBOTGSS_SYSCONFIG_DMADISABLE);
ret = devm_request_irq(dev, omap->irq, dwc3_omap_interrupt, 0,
"dwc3-omap", omap);
@@ -516,28 +507,24 @@ static int dwc3_omap_probe(struct platform_device *pdev)
ret = dwc3_omap_extcon_register(omap);
if (ret < 0)
- goto err2;
+ goto err1;
ret = of_platform_populate(node, NULL, NULL, dev);
if (ret) {
dev_err(&pdev->dev, "failed to create dwc3 core\n");
- goto err3;
+ goto err2;
}
dwc3_omap_enable_irqs(omap);
return 0;
-err3:
+err2:
extcon_unregister_notifier(omap->edev, EXTCON_USB, &omap->vbus_nb);
extcon_unregister_notifier(omap->edev, EXTCON_USB_HOST, &omap->id_nb);
-err2:
- dwc3_omap_disable_irqs(omap);
err1:
pm_runtime_put_sync(dev);
-
-err0:
pm_runtime_disable(dev);
return ret;