UPSTREAM: usb: dwc3: omap: get rid of dma_status

dma_status bit flag is set but never really used
so get rid of it.

Change-Id: If11b9522e8592dbeebf1e5d8e9a1eaad43d65f7d
Reported-by: Felipe Balbi <balbi@kernel.org>
Signed-off-by: Roger Quadros <rogerq@ti.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Wu Liang feng <wulf@rock-chips.com>
(cherry picked from commit af566a0be6e49b946708532a6a7a7ae29ab83aed)

diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index f0e5a68b709f5f82257b875438822996dc0bdb2f..af264493bbaeb972bb82bc401c864ac764522ad4 100644 (file)
--- 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);
@@ -501,7 +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);