diff options
Diffstat (limited to 'drivers/usb/host')
| -rw-r--r-- | drivers/usb/host/ehci-sched.c | 13 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-mem.c | 1 | ||||
| -rw-r--r-- | drivers/usb/host/xhci-plat.c | 2 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.c | 8 | ||||
| -rw-r--r-- | drivers/usb/host/xhci.h | 1 |
5 files changed, 16 insertions, 9 deletions
diff --git a/drivers/usb/host/ehci-sched.c b/drivers/usb/host/ehci-sched.c index 94388738a6f..66310894ad9 100644 --- a/drivers/usb/host/ehci-sched.c +++ b/drivers/usb/host/ehci-sched.c @@ -1434,21 +1434,20 @@ iso_stream_schedule ( /* Behind the scheduling threshold? */ if (unlikely(start < next)) { + unsigned now2 = (now - base) & (mod - 1); /* USB_ISO_ASAP: Round up to the first available slot */ if (urb->transfer_flags & URB_ISO_ASAP) start += (next - start + period - 1) & -period; /* - * Not ASAP: Use the next slot in the stream. If - * the entire URB falls before the threshold, fail. + * Not ASAP: Use the next slot in the stream, + * no matter what. */ - else if (start + span - period < next) { - ehci_dbg(ehci, "iso urb late %p (%u+%u < %u)\n", + else if (start + span - period < now2) { + ehci_dbg(ehci, "iso underrun %p (%u+%u < %u)\n", urb, start + base, - span - period, next + base); - status = -EXDEV; - goto fail; + span - period, now2 + base); } } diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c index b150360d1e7..53b972c2a09 100644 --- a/drivers/usb/host/xhci-mem.c +++ b/drivers/usb/host/xhci-mem.c @@ -24,6 +24,7 @@ #include <linux/pci.h> #include <linux/slab.h> #include <linux/dmapool.h> +#include <linux/dma-mapping.h> #include "xhci.h" #include "xhci-trace.h" diff --git a/drivers/usb/host/xhci-plat.c b/drivers/usb/host/xhci-plat.c index be5e70d2300..d9c169f470d 100644 --- a/drivers/usb/host/xhci-plat.c +++ b/drivers/usb/host/xhci-plat.c @@ -26,7 +26,7 @@ static void xhci_plat_quirks(struct device *dev, struct xhci_hcd *xhci) * here that the generic code does not try to make a pci_dev from our * dev struct in order to setup MSI */ - xhci->quirks |= XHCI_BROKEN_MSI; + xhci->quirks |= XHCI_PLAT; } /* called during probe() after chip reset completes */ diff --git a/drivers/usb/host/xhci.c b/drivers/usb/host/xhci.c index 7299b591a34..ba0ec0a9648 100644 --- a/drivers/usb/host/xhci.c +++ b/drivers/usb/host/xhci.c @@ -27,6 +27,7 @@ #include <linux/moduleparam.h> #include <linux/slab.h> #include <linux/dmi.h> +#include <linux/dma-mapping.h> #include "xhci.h" #include "xhci-trace.h" @@ -347,9 +348,14 @@ static void __maybe_unused xhci_msix_sync_irqs(struct xhci_hcd *xhci) static int xhci_try_enable_msi(struct usb_hcd *hcd) { struct xhci_hcd *xhci = hcd_to_xhci(hcd); - struct pci_dev *pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); + struct pci_dev *pdev; int ret; + /* The xhci platform device has set up IRQs through usb_add_hcd. */ + if (xhci->quirks & XHCI_PLAT) + return 0; + + pdev = to_pci_dev(xhci_to_hcd(xhci)->self.controller); /* * Some Fresco Logic host controllers advertise MSI, but fail to * generate interrupts. Don't even try to enable MSI. diff --git a/drivers/usb/host/xhci.h b/drivers/usb/host/xhci.h index d2045916531..46aa1489414 100644 --- a/drivers/usb/host/xhci.h +++ b/drivers/usb/host/xhci.h @@ -1537,6 +1537,7 @@ struct xhci_hcd { #define XHCI_SPURIOUS_REBOOT (1 << 13) #define XHCI_COMP_MODE_QUIRK (1 << 14) #define XHCI_AVOID_BEI (1 << 15) +#define XHCI_PLAT (1 << 16) unsigned int num_active_eps; unsigned int limit_active_eps; /* There are two roothubs to keep track of bus suspend info for */ |