diff options
| author | make shi <b15407@freescale.com> | 2013-01-23 10:36:00 +0800 |
|---|---|---|
| committer | Anthony Felice <tony.felice@timesys.com> | 2014-01-16 15:36:32 -0500 |
| commit | 412af3d25ba76f8dfda3bd9d2715e1119e671d32 (patch) | |
| tree | e3af66fbede5013d3ffe2842266a365924ff61ca /drivers/usb/host/ehci-hcd.c | |
| parent | 3028181b4c1a1e078422b5de929605d893d60d1a (diff) | |
ENGR00241582 MX6 USB host: USB host certification patch
The patch include:
- USB test mode on hub port and Root-hub port
- support 3 types of message:
too much hub ties for hub attachment
too much power consumption for device attachment
unsupported device class warning
- support menuconfig select the FSL_USB_TEST_MODE, located in:
-> Device Drivers
-> USB support (USB_SUPPORT [=y])
-> FSL High-speed Electrical Test Mode support
Signed-off-by: make shi <b15407@freescale.com>
Diffstat (limited to 'drivers/usb/host/ehci-hcd.c')
| -rw-r--r-- | drivers/usb/host/ehci-hcd.c | 31 |
1 files changed, 30 insertions, 1 deletions
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c index ffc22bf1d825..c486480ab982 100644 --- a/drivers/usb/host/ehci-hcd.c +++ b/drivers/usb/host/ehci-hcd.c @@ -48,6 +48,21 @@ #include <asm/system.h> #include <asm/unaligned.h> + +#ifdef CONFIG_FSL_USB_TEST_MODE +static u32 single_step_desc_data_on; +void set_single_step_desc_data_on(void) +{ + single_step_desc_data_on = 1; +} +EXPORT_SYMBOL_GPL(set_single_step_desc_data_on); + +void clear_single_step_desc_data_on(void) +{ + single_step_desc_data_on = 0; +} +EXPORT_SYMBOL_GPL(clear_single_step_desc_data_on); +#endif /*-------------------------------------------------------------------------*/ /* @@ -959,8 +974,22 @@ static int ehci_urb_enqueue ( /* FALLTHROUGH */ /* case PIPE_BULK: */ default: - if (!qh_urb_transaction (ehci, urb, &qtd_list, mem_flags)) +#ifdef CONFIG_FSL_USB_TEST_MODE + if (!single_step_desc_data_on) { + printk(KERN_DEBUG "in test mode, but single step NOT on\n"); + if (!qh_urb_transaction(ehci, urb, &qtd_list, + mem_flags)) + return -ENOMEM; + } else { + printk(KERN_DEBUG "in test mode, single step on\n"); + if (!single_step_qh_urb_transaction(ehci, urb, + &qtd_list, mem_flags)) + return -ENOMEM; + } +#else + if (!qh_urb_transaction(ehci, urb, &qtd_list, mem_flags)) return -ENOMEM; +#endif return submit_async(ehci, urb, &qtd_list, mem_flags); case PIPE_INTERRUPT: |