diff options
| author | Mian Yousaf Kaukab <yousaf.kaukab@intel.com> | 2015-05-16 23:33:35 +0300 |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-05-26 18:40:11 +0300 |
| commit | a09e23f53e2c14a65a3b14a00060fea163081e1f (patch) | |
| tree | 53ef531a0e5f5ec209f2f6c540eccd5009d061e0 /drivers/usb/gadget | |
| parent | 463e104fb0ff1374c52bb0a8e0029537799192ac (diff) | |
| download | linux-a09e23f53e2c14a65a3b14a00060fea163081e1f.tar.xz | |
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: Ricardo Ribalda Delgado <ricardo.ribalda@gmail.com>
Signed-off-by: Mian Yousaf Kaukab <yousaf.kaukab@intel.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb/gadget')
| -rw-r--r-- | drivers/usb/gadget/udc/net2280.c | 57 |
1 files changed, 44 insertions, 13 deletions
diff --git a/drivers/usb/gadget/udc/net2280.c b/drivers/usb/gadget/udc/net2280.c index 878a98ed84f5..a78a9c048b87 100644 --- a/drivers/usb/gadget/udc/net2280.c +++ b/drivers/usb/gadget/udc/net2280.c @@ -2883,6 +2883,26 @@ next_endpoints3: 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; @@ -3107,20 +3127,31 @@ do_stall: #undef w_length next_endpoints: - /* endpoint data irq ? */ - scratch = stat & 0x7f; - stat &= ~0x7f; - for (num = 0; scratch; num++) { - u32 t; - - /* do this endpoint's FIFO and queue need tending? */ - t = BIT(num); - if ((scratch & t) == 0) - continue; - scratch ^= t; + 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; + for (num = 0; scratch; num++) { + u32 t; + + /* do this endpoint's FIFO and queue need tending? */ + t = BIT(num); + if ((scratch & t) == 0) + continue; + scratch ^= t; - ep = &dev->ep[num]; - handle_ep_small(ep); + ep = &dev->ep[num]; + handle_ep_small(ep); + } } if (stat) |