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usb: dwc2: host: add TPL support

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The Target Peripheral List (TPL) is used to identify targeted devices
during Embedded Host compliance testing. The user can add "tpl-support"
in the device tree to enable it.

Signed-off-by: Amelie Delaunay <amelie.delaunay@foss.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Link: https://lore.kernel.org/r/20220621152350.145745-5-fabrice.gasnier@foss.st.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Amelie Delaunay 2022-06-21 17:23:50 +02:00 committed by Greg Kroah-Hartman
parent 54bd6c9a3b
commit 2c8845fe93
1 changed files with 3 additions and 0 deletions
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3
drivers/usb/dwc2/hcd.c
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@ -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);