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Message-ID: <20220621130506.85424-4-fabrice.gasnier@foss.st.com>
Date:   Tue, 21 Jun 2022 15:05:06 +0200
From:   Fabrice Gasnier <fabrice.gasnier@...s.st.com>
To:     <hminas@...opsys.com>, <gregkh@...uxfoundation.org>,
        <stern@...land.harvard.edu>
CC:     <linux-usb@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-stm32@...md-mailman.stormreply.com>,
        <amelie.delaunay@...s.st.com>, <fabrice.gasnier@...s.st.com>
Subject: [PATCH 3/3] usb: dwc2: host: add TPL support

From: Amelie Delaunay <amelie.delaunay@...s.st.com>

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 <amelie.delaunay@...s.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@...s.st.com>
---
 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

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