Commit a09e23f5 authored by Mian Yousaf Kaukab's avatar Mian Yousaf Kaukab Committed by Felipe Balbi

usb: gadget: net2280: check interrupts for all endpoints

USB3380 in enhanced mode has 4 IN and 4 OUT endpoints. Check
interrupts for all of them.
Tested-by: default avatarRicardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: default avatarMian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: default avatarFelipe Balbi <balbi@ti.com>
parent 463e104f
......@@ -2883,6 +2883,26 @@ static void handle_stat0_irqs_superspeed(struct net2280 *dev,
return;
}
static void usb338x_handle_ep_intr(struct net2280 *dev, u32 stat0)
{
u32 index;
u32 bit;
for (index = 0; index < ARRAY_SIZE(ep_bit); index++) {
bit = BIT(ep_bit[index]);
if (!stat0)
break;
if (!(stat0 & bit))
continue;
stat0 &= ~bit;
handle_ep_small(&dev->ep[index]);
}
}
static void handle_stat0_irqs(struct net2280 *dev, u32 stat)
{
struct net2280_ep *ep;
......@@ -3107,6 +3127,16 @@ static void handle_stat0_irqs(struct net2280 *dev, u32 stat)
#undef w_length
next_endpoints:
if ((dev->quirks & PLX_SUPERSPEED) && dev->enhanced_mode) {
u32 mask = (BIT(ENDPOINT_0_INTERRUPT) |
USB3380_IRQSTAT0_EP_INTR_MASK_IN |
USB3380_IRQSTAT0_EP_INTR_MASK_OUT);
if (stat & mask) {
usb338x_handle_ep_intr(dev, stat & mask);
stat &= ~mask;
}
} else {
/* endpoint data irq ? */
scratch = stat & 0x7f;
stat &= ~0x7f;
......@@ -3122,6 +3152,7 @@ static void handle_stat0_irqs(struct net2280 *dev, u32 stat)
ep = &dev->ep[num];
handle_ep_small(ep);
}
}
if (stat)
ep_dbg(dev, "unhandled irqstat0 %08x\n", stat);
......
......@@ -168,6 +168,9 @@ struct net2280_regs {
#define ENDPOINT_B_INTERRUPT 2
#define ENDPOINT_A_INTERRUPT 1
#define ENDPOINT_0_INTERRUPT 0
#define USB3380_IRQSTAT0_EP_INTR_MASK_IN (0xF << 17)
#define USB3380_IRQSTAT0_EP_INTR_MASK_OUT (0xF << 1)
u32 irqstat1;
#define POWER_STATE_CHANGE_INTERRUPT 27
#define PCI_ARBITER_TIMEOUT_INTERRUPT 26
......
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