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authorKishon Vijay Abraham I <kishon@ti.com>2015-08-10 11:22:54 (GMT)
committerTom Rini <trini@konsulko.com>2015-08-28 16:33:19 (GMT)
commit8af1be7678c1fd9bc03b28f0756c586fb3d47d29 (patch)
tree62cab0e53154b1b52ed734761f5f469dda2fec92 /drivers
parent2d9efa1227262249d381ed5d9d341cbdba76e62d (diff)
downloadu-boot-fsl-qoriq-8af1be7678c1fd9bc03b28f0756c586fb3d47d29.tar.xz
usb: dwc3: dwc3-omap: Use the clear register inorder to clear the interrupts
Writing "0x00" to the USBOTGSS_IRQENABLE_SET_MISC and USBOTGSS_IRQENABLE_SET_0 doesn't disable the interrupts. Used USBOTGSS_IRQENABLE_CLR_MISC and USBOTGSS_IRQENABLE_CLR_0 instead. Signed-off-by: Kishon Vijay Abraham I <kishon@ti.com> Acked-by: Marek Vasut <marex@denx.de> Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/usb/dwc3/dwc3-omap.c46
1 files changed, 28 insertions, 18 deletions
diff --git a/drivers/usb/dwc3/dwc3-omap.c b/drivers/usb/dwc3/dwc3-omap.c
index 46af109..ac9a856 100644
--- a/drivers/usb/dwc3/dwc3-omap.c
+++ b/drivers/usb/dwc3/dwc3-omap.c
@@ -91,6 +91,16 @@
#define USBOTGSS_IRQMISC_DISCHRGVBUS_FALL (1 << 3)
#define USBOTGSS_IRQMISC_IDPULLUP_FALL (1 << 0)
+#define USBOTGSS_INTERRUPTS (USBOTGSS_IRQMISC_OEVT | \
+ USBOTGSS_IRQMISC_DRVVBUS_RISE | \
+ USBOTGSS_IRQMISC_CHRGVBUS_RISE | \
+ USBOTGSS_IRQMISC_DISCHRGVBUS_RISE | \
+ USBOTGSS_IRQMISC_IDPULLUP_RISE | \
+ USBOTGSS_IRQMISC_DRVVBUS_FALL | \
+ USBOTGSS_IRQMISC_CHRGVBUS_FALL | \
+ USBOTGSS_IRQMISC_DISCHRGVBUS_FALL | \
+ USBOTGSS_IRQMISC_IDPULLUP_FALL)
+
/* UTMI_OTG_CTRL REGISTER */
#define USBOTGSS_UTMI_OTG_CTRL_DRVVBUS (1 << 5)
#define USBOTGSS_UTMI_OTG_CTRL_CHRGVBUS (1 << 4)
@@ -187,6 +197,18 @@ static void dwc3_omap_write_irq0_set(struct dwc3_omap *omap, u32 value)
omap->irq0_offset, value);
}
+static void dwc3_omap_write_irqmisc_clr(struct dwc3_omap *omap, u32 value)
+{
+ dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_MISC +
+ omap->irqmisc_offset, value);
+}
+
+static void dwc3_omap_write_irq0_clr(struct dwc3_omap *omap, u32 value)
+{
+ dwc3_omap_writel(omap->base, USBOTGSS_IRQENABLE_CLR_0 -
+ omap->irq0_offset, value);
+}
+
static void dwc3_omap_set_mailbox(struct dwc3_omap *omap,
enum omap_dwc3_vbus_id_status status)
{
@@ -285,30 +307,18 @@ static irqreturn_t dwc3_omap_interrupt(int irq, void *_omap)
static void dwc3_omap_enable_irqs(struct dwc3_omap *omap)
{
- u32 reg;
-
/* enable all IRQs */
- reg = USBOTGSS_IRQO_COREIRQ_ST;
- dwc3_omap_write_irq0_set(omap, reg);
-
- reg = (USBOTGSS_IRQMISC_OEVT |
- USBOTGSS_IRQMISC_DRVVBUS_RISE |
- USBOTGSS_IRQMISC_CHRGVBUS_RISE |
- USBOTGSS_IRQMISC_DISCHRGVBUS_RISE |
- USBOTGSS_IRQMISC_IDPULLUP_RISE |
- USBOTGSS_IRQMISC_DRVVBUS_FALL |
- USBOTGSS_IRQMISC_CHRGVBUS_FALL |
- USBOTGSS_IRQMISC_DISCHRGVBUS_FALL |
- USBOTGSS_IRQMISC_IDPULLUP_FALL);
-
- dwc3_omap_write_irqmisc_set(omap, reg);
+ dwc3_omap_write_irq0_set(omap, USBOTGSS_IRQO_COREIRQ_ST);
+
+ dwc3_omap_write_irqmisc_set(omap, USBOTGSS_INTERRUPTS);
}
static void dwc3_omap_disable_irqs(struct dwc3_omap *omap)
{
/* disable all IRQs */
- dwc3_omap_write_irqmisc_set(omap, 0x00);
- dwc3_omap_write_irq0_set(omap, 0x00);
+ dwc3_omap_write_irq0_clr(omap, USBOTGSS_IRQO_COREIRQ_ST);
+
+ dwc3_omap_write_irqmisc_clr(omap, USBOTGSS_INTERRUPTS);
}
static void dwc3_omap_map_offset(struct dwc3_omap *omap)