From: Felipe Balbi <balbi@xxxxxx>
For now, let's disable IDLE and STANDBY transitions
until we have a real HW to validate against.
Signed-off-by: Felipe Balbi <balbi@xxxxxx>
---
drivers/usb/dwc3/dwc3-omap.c | 24 ++++++++++++++++++++++++
1 files changed, 24 insertions(+), 0 deletions(-)
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 421b5db..72cc92b 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -76,8 +76,23 @@
/* SYSCONFIG REGISTER */
#define USBOTGSS_SYSCONFIG_DMADISABLE (1 << 16)
#define USBOTGSS_SYSCONFIG_STANDBYMODE(x) ((x) << 4)
+
+#define USBOTGSS_STANDBYMODE_FORCE_STANDBY 0
+#define USBOTGSS_STANDBYMODE_NO_STANDBY 1
+#define USBOTGSS_STANDBYMODE_SMART_STANDBY 2
+#define USBOTGSS_STANDBYMODE_SMART_WAKEUP 3
+
+#define USBOTGSS_STANDBYMODE_MASK (0x03 << 4)
+
#define USBOTGSS_SYSCONFIG_IDLEMODE(x) ((x) << 2)
+#define USBOTGSS_IDLEMODE_FORCE_IDLE 0
+#define USBOTGSS_IDLEMODE_NO_IDLE 1
+#define USBOTGSS_IDLEMODE_SMART_IDLE 2
+#define USBOTGSS_IDLEMODE_SMART_WAKEUP 3
+
+#define USBOTGSS_IDLEMODE_MASK (0x03 << 2)
+
/* IRQ_EOI REGISTER */
#define USBOTGSS_IRQ_EOI_LINE_NUMBER (1 << 0)
@@ -270,6 +285,15 @@ static int __devinit dwc3_omap_probe(struct platform_device *pdev)
reg = dwc3_readl(omap->base, USBOTGSS_SYSCONFIG);
omap->dma_status = !!(reg & USBOTGSS_SYSCONFIG_DMADISABLE);
+ /* Set No-Idle and No-Standby */
+ reg &= ~(USBOTGSS_STANDBYMODE_MASK
+ | USBOTGSS_IDLEMODE_MASK);
+
+ reg |= (USBOTGSS_SYSCONFIG_STANDBYMODE(USBOTGSS_STANDBYMODE_NO_STANDBY)
+ | USBOTGSS_SYSCONFIG_IDLEMODE(USBOTGSS_IDLEMODE_NO_IDLE));
+
+ dwc3_writel(omap->base, USBOTGSS_SYSCONFIG, reg);
+
ret = request_irq(omap->irq, dwc3_omap_interrupt, 0,
"dwc3-omap", omap);
if (ret) {
--
1.7.7
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