2022-06-21 13:16:10

by Fabrice Gasnier

Subject: [PATCH 3/3] usb: dwc2: host: add TPL support

From: Amelie Delaunay <[email protected]>

The TPL support is used to identify targeted devices during EH compliance
test. The user can add "tpl-support" in the device tree to enable it.

Signed-off-by: Amelie Delaunay <[email protected]>
Signed-off-by: Fabrice Gasnier <[email protected]>
---
drivers/usb/dwc2/hcd.c | 3 +++
1 file changed, 3 insertions(+)

diff --git a/drivers/usb/dwc2/hcd.c b/drivers/usb/dwc2/hcd.c
index f63a27d11fac8..4567f3c24d225 100644
--- a/drivers/usb/dwc2/hcd.c
+++ b/drivers/usb/dwc2/hcd.c
@@ -52,6 +52,7 @@

#include <linux/usb/hcd.h>
#include <linux/usb/ch11.h>
+#include <linux/usb/of.h>

#include "core.h"
#include "hcd.h"
@@ -5339,6 +5340,8 @@ int dwc2_hcd_init(struct dwc2_hsotg *hsotg)
/* Don't support SG list at this point */
hcd->self.sg_tablesize = 0;

+ hcd->tpl_support = of_usb_host_tpl_support(hsotg->dev->of_node);
+
if (!IS_ERR_OR_NULL(hsotg->uphy))
otg_set_host(hsotg->uphy->otg, &hcd->self);

--
2.25.1

2022-06-21 14:56:36

by Greg Kroah-Hartman

Subject: Re: [PATCH 3/3] usb: dwc2: host: add TPL support

On Tue, Jun 21, 2022 at 03:05:06PM +0200, Fabrice Gasnier wrote:
> From: Amelie Delaunay <[email protected]>
>
> The TPL support is used to identify targeted devices during EH compliance
> test. The user can add "tpl-support" in the device tree to enable it.

Is that already documented in the proper bindings somewhere?

thanks,

greg k-h