diff mbox series

[1/3] usb: host: ohci-platform: add TPL support

Message ID 20220621130506.85424-2-fabrice.gasnier@foss.st.com (mailing list archive)
State Superseded
Headers show
Series usb: host: add TPL support to ehci ohci and dwc2 | expand

Commit Message

Fabrice Gasnier June 21, 2022, 1:05 p.m. UTC
From: Amelie Delaunay <amelie.delaunay@foss.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@foss.st.com>
Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
---
 drivers/usb/host/ohci-platform.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Alan Stern June 21, 2022, 2:19 p.m. UTC | #1
On Tue, Jun 21, 2022 at 03:05:04PM +0200, Fabrice Gasnier wrote:
> From: Amelie Delaunay <amelie.delaunay@foss.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@foss.st.com>
> Signed-off-by: Fabrice Gasnier <fabrice.gasnier@foss.st.com>
> ---

For this patch and the 2/3 ehci-platform patch:

Acked-by: Alan Stern <stern@rowland.harvard.edu>

>  drivers/usb/host/ohci-platform.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
> index 47dfbfe9e5190..0adae62651276 100644
> --- a/drivers/usb/host/ohci-platform.c
> +++ b/drivers/usb/host/ohci-platform.c
> @@ -28,6 +28,7 @@
>  #include <linux/usb/ohci_pdriver.h>
>  #include <linux/usb.h>
>  #include <linux/usb/hcd.h>
> +#include <linux/usb/of.h>
>  
>  #include "ohci.h"
>  
> @@ -210,6 +211,8 @@ static int ohci_platform_probe(struct platform_device *dev)
>  	hcd->rsrc_start = res_mem->start;
>  	hcd->rsrc_len = resource_size(res_mem);
>  
> +	hcd->tpl_support = of_usb_host_tpl_support(dev->dev.of_node);
> +
>  	err = usb_add_hcd(hcd, irq, IRQF_SHARED);
>  	if (err)
>  		goto err_power;
> -- 
> 2.25.1
>
Greg KH June 21, 2022, 2:23 p.m. UTC | #2
On Tue, Jun 21, 2022 at 03:05:04PM +0200, Fabrice Gasnier wrote:
> From: Amelie Delaunay <amelie.delaunay@foss.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.

What is "TPL" support?  What is "EH"?

Please spell things out.

thanks,

greg k-h
diff mbox series

Patch

diff --git a/drivers/usb/host/ohci-platform.c b/drivers/usb/host/ohci-platform.c
index 47dfbfe9e5190..0adae62651276 100644
--- a/drivers/usb/host/ohci-platform.c
+++ b/drivers/usb/host/ohci-platform.c
@@ -28,6 +28,7 @@ 
 #include <linux/usb/ohci_pdriver.h>
 #include <linux/usb.h>
 #include <linux/usb/hcd.h>
+#include <linux/usb/of.h>
 
 #include "ohci.h"
 
@@ -210,6 +211,8 @@  static int ohci_platform_probe(struct platform_device *dev)
 	hcd->rsrc_start = res_mem->start;
 	hcd->rsrc_len = resource_size(res_mem);
 
+	hcd->tpl_support = of_usb_host_tpl_support(dev->dev.of_node);
+
 	err = usb_add_hcd(hcd, irq, IRQF_SHARED);
 	if (err)
 		goto err_power;