Use generic mechanism to check if UDC controller supports zlp.
Signed-off-by: Robert Baldyga <r.bald...@samsung.com>
---
drivers/usb/gadget/function/f_ecm.c | 4 ++--
drivers/usb/gadget/function/f_ncm.c | 5 ++---
2 files changed, 4 insertions(+), 5 deletions(-)
diff --git a/drivers/usb/gadget/function/f_ecm.c
b/drivers/usb/gadget/function/f_ecm.c
index 798760f..7b7424f 100644
--- a/drivers/usb/gadget/function/f_ecm.c
+++ b/drivers/usb/gadget/function/f_ecm.c
@@ -585,8 +585,8 @@ static int ecm_set_alt(struct usb_function *f, unsigned
intf, unsigned alt)
/* Enable zlps by default for ECM conformance;
* override for musb_hdrc (avoids txdma ovhead).
*/
- ecm->port.is_zlp_ok = !(gadget_is_musbhdrc(cdev->gadget)
- );
+ ecm->port.is_zlp_ok =
+ gadget_is_zlp_supported(cdev->gadget);
ecm->port.cdc_filter = DEFAULT_FILTER;
DBG(cdev, "activate ecm\n");
net = gether_connect(&ecm->port);
diff --git a/drivers/usb/gadget/function/f_ncm.c
b/drivers/usb/gadget/function/f_ncm.c
index bdcda9f..3f05c6bd 100644
--- a/drivers/usb/gadget/function/f_ncm.c
+++ b/drivers/usb/gadget/function/f_ncm.c
@@ -853,9 +853,8 @@ static int ncm_set_alt(struct usb_function *f, unsigned
intf, unsigned alt)
/* Enable zlps by default for NCM conformance;
* override for musb_hdrc (avoids txdma ovhead)
*/
- ncm->port.is_zlp_ok = !(
- gadget_is_musbhdrc(cdev->gadget)
- );
+ ncm->port.is_zlp_ok =
+ gadget_is_zlp_supported(cdev->gadget);
ncm->port.cdc_filter = DEFAULT_FILTER;
DBG(cdev, "activate ncm\n");
net = gether_connect(&ncm->port);
--
1.9.1
--
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