From: Razmik Karapetyan <razmik@xxxxxxxxxxxx>
Changed AHB burst size from INCR4 to INCR by default.
With this value driver shows excellent DMA performance.
Signed-off-by: Razmik Karapetyan <razmik@xxxxxxxxxxxx>
Signed-off-by: Grigor Tovmasyan <tovmasya@xxxxxxxxxxxx>
---
drivers/usb/dwc2/core.h | 2 +-
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 df27b25d1ec9..3c9b929b6e73 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 fc4d93d78ec3..0ff7dce1ca3b 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)) {
--
2.11.0
--
To unsubscribe from this list: send the line "unsubscribe linux-usb" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
