diff mbox series

[v2,2/2] usb: host: ehci-platform: add ignore_oc DT support

Message ID 20210223161644.6095-3-noltari@gmail.com (mailing list archive)
State New, archived
Headers show
Series usb: host: ehci-platform: add ignore-oc DT support | expand

Commit Message

Álvaro Fernández Rojas Feb. 23, 2021, 4:16 p.m. UTC
Over-current reporting isn't supported on some platforms such as bcm63xx.
These devices will incorrectly report over-current if this flag isn't properly
activated.

Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
---
 v2: change flag name and improve documentation as suggested by Alan Stern.

 drivers/usb/host/ehci-platform.c | 3 +++
 1 file changed, 3 insertions(+)

Comments

Alan Stern Feb. 23, 2021, 4:55 p.m. UTC | #1
On Tue, Feb 23, 2021 at 05:16:44PM +0100, Álvaro Fernández Rojas wrote:
> Over-current reporting isn't supported on some platforms such as bcm63xx.
> These devices will incorrectly report over-current if this flag isn't properly
> activated.
> 
> Signed-off-by: Álvaro Fernández Rojas <noltari@gmail.com>
> ---
>  v2: change flag name and improve documentation as suggested by Alan Stern.
> 
>  drivers/usb/host/ehci-platform.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
> index a48dd3fac153..2c587e31d010 100644
> --- a/drivers/usb/host/ehci-platform.c
> +++ b/drivers/usb/host/ehci-platform.c
> @@ -286,6 +286,9 @@ static int ehci_platform_probe(struct platform_device *dev)
>  		if (of_property_read_bool(dev->dev.of_node, "big-endian"))
>  			ehci->big_endian_mmio = ehci->big_endian_desc = 1;
>  
> +		if (of_property_read_bool(dev->dev.of_node, "spurious-oc"))
> +			ehci->ignore_oc = 1;
> +
>  		if (of_property_read_bool(dev->dev.of_node,
>  					  "needs-reset-on-resume"))
>  			priv->reset_on_resume = true;

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

Patch

diff --git a/drivers/usb/host/ehci-platform.c b/drivers/usb/host/ehci-platform.c
index a48dd3fac153..2c587e31d010 100644
--- a/drivers/usb/host/ehci-platform.c
+++ b/drivers/usb/host/ehci-platform.c
@@ -286,6 +286,9 @@  static int ehci_platform_probe(struct platform_device *dev)
 		if (of_property_read_bool(dev->dev.of_node, "big-endian"))
 			ehci->big_endian_mmio = ehci->big_endian_desc = 1;
 
+		if (of_property_read_bool(dev->dev.of_node, "spurious-oc"))
+			ehci->ignore_oc = 1;
+
 		if (of_property_read_bool(dev->dev.of_node,
 					  "needs-reset-on-resume"))
 			priv->reset_on_resume = true;