linux-kernel - Re: [PATCH 1/2] drivers/usb/typec/tps6598x.c: fix portinfo width

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Message-ID: <20190628095843.GB21701@kuha.fi.intel.com>
Date:   Fri, 28 Jun 2019 12:58:43 +0300
From:   Heikki Krogerus <heikki.krogerus@...ux.intel.com>
To:     Nikolaus Voss <nikolaus.voss@...wensteinmedical.de>
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-usb@...r.kernel.org, linux-kernel@...r.kernel.org, nv@...n.de
Subject: Re: [PATCH 1/2] drivers/usb/typec/tps6598x.c: fix portinfo width

On Fri, Jun 28, 2019 at 11:01:08AM +0200, Nikolaus Voss wrote:
> Portinfo bit field is 3 bits wide, not 2 bits. This led to
> a wrong driver configuration for some tps6598x configurations.
> 
> Fixes: 0a4c005bd171 ("usb: typec: driver for TI TPS6598x USB Power Delivery controllers")
> Signed-off-by: Nikolaus Voss <nikolaus.voss@...wensteinmedical.de>

Shouldn't this be applied to the stable trees as well?

Acked-by: Heikki Krogerus <heikki.krogerus@...ux.intel.com>

> ---
>  drivers/usb/typec/tps6598x.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c
> index c674abe3cf99..a170c49c2542 100644
> --- a/drivers/usb/typec/tps6598x.c
> +++ b/drivers/usb/typec/tps6598x.c
> @@ -41,7 +41,7 @@
>  #define TPS_STATUS_VCONN(s)		(!!((s) & BIT(7)))
>  
>  /* TPS_REG_SYSTEM_CONF bits */
> -#define TPS_SYSCONF_PORTINFO(c)		((c) & 3)
> +#define TPS_SYSCONF_PORTINFO(c)		((c) & 7)
>  
>  enum {
>  	TPS_PORTINFO_SINK,
> -- 
> 2.17.1

thanks,

-- 
heikki