diff options
| author | Razmik Karapetyan <razmik@synopsys.com> | 2018-01-19 14:40:23 +0400 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2018-03-13 10:47:40 +0200 |
| commit | 1b52d2fac4075e8e32a95ad81b521fdab1e1678c (patch) | |
| tree | 17f48a3bcdbdebba3ca09020a54f157dee7dd64f /drivers/usb | |
| parent | d1ac8c802dce92971d1cc81f82a3466b2104e787 (diff) | |
usb: dwc2: Set AHB burst size to INCR
Changed AHB burst size from INCR4 to INCR by default.
With this value driver shows excellent DMA performance.
Acked-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Razmik Karapetyan <razmik@synopsys.com>
Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc2/core.h | 2 | ||||
| -rw-r--r-- | drivers/usb/dwc2/params.c | 2 |
2 files changed, 2 insertions, 2 deletions
diff --git a/drivers/usb/dwc2/core.h b/drivers/usb/dwc2/core.h index 1b6e4ccda617..cc9bf68b5e7c 100644 --- a/drivers/usb/dwc2/core.h +++ b/drivers/usb/dwc2/core.h @@ -408,7 +408,7 @@ enum dwc2_ep0_state { * @ahbcfg: This field allows the default value of the GAHBCFG * register to be overridden * -1 - GAHBCFG value will be set to 0x06 - * (INCR4, default) + * (INCR, default) * all others - GAHBCFG value will be overridden with * this value * Not all bits can be controlled like this, the diff --git a/drivers/usb/dwc2/params.c b/drivers/usb/dwc2/params.c index 82f5846d7671..430325510812 100644 --- a/drivers/usb/dwc2/params.c +++ b/drivers/usb/dwc2/params.c @@ -280,7 +280,7 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg) p->hibernation = false; p->max_packet_count = hw->max_packet_count; p->max_transfer_size = hw->max_transfer_size; - p->ahbcfg = GAHBCFG_HBSTLEN_INCR4 << GAHBCFG_HBSTLEN_SHIFT; + p->ahbcfg = GAHBCFG_HBSTLEN_INCR << GAHBCFG_HBSTLEN_SHIFT; if ((hsotg->dr_mode == USB_DR_MODE_HOST) || (hsotg->dr_mode == USB_DR_MODE_OTG)) { |