diff options
Diffstat (limited to 'drivers/usb/host/ehci.h')
| -rw-r--r-- | drivers/usb/host/ehci.h | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/drivers/usb/host/ehci.h b/drivers/usb/host/ehci.h index 3ffb27f..f3db2b3 100644 --- a/drivers/usb/host/ehci.h +++ b/drivers/usb/host/ehci.h @@ -591,6 +591,24 @@ ehci_port_speed(struct ehci_hcd *ehci, unsigned int portsc) #define ehci_port_speed(ehci, portsc) USB_PORT_STAT_HIGH_SPEED #endif +#ifdef CONFIG_HOST_COMPLIANT_TEST +static struct list_head * qh_urb_transaction ( + struct ehci_hcd *ehci, + struct urb *urb, + struct list_head *head, + gfp_t flags); + +static int submit_async ( + struct ehci_hcd *ehci, + struct urb *urb, + struct list_head *qtd_list, + gfp_t mem_flags); + +static inline void ehci_qtd_free ( + struct ehci_hcd *ehci, + struct ehci_qtd *qtd); +#endif + /*-------------------------------------------------------------------------*/ #ifdef CONFIG_PPC_83xx @@ -737,6 +755,23 @@ static inline u32 hc32_to_cpup (const struct ehci_hcd *ehci, const __hc32 *x) #endif +/* + * Writing to dma coherent memory on ARM may be delayed via L2 + * writing buffer, so introduce the helper which can flush L2 writing + * buffer into memory immediately, especially used to flush ehci + * descriptor to memory. + * */ +#ifdef CONFIG_ARM_DMA_MEM_BUFFERABLE +static inline void ehci_sync_mem(void) +{ + mb(); +} +#else +static inline void ehci_sync_mem(void) +{ +} +#endif + /*-------------------------------------------------------------------------*/ #ifdef CONFIG_PCI |