netdev - Re: [PATCH v3] net/smsc911x: add device tree probe support

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite for Android: free password hash cracker in your pocket

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 9 Sep 2011 19:48:57 +0800
From:	Shawn Guo <shawn.guo@...escale.com>
To:	Dave Martin <dave.martin@...aro.org>
CC:	Shawn Guo <shawn.guo@...aro.org>, <netdev@...r.kernel.org>,
	<patches@...aro.org>, <devicetree-discuss@...ts.ozlabs.org>,
	Grant Likely <grant.likely@...retlab.ca>,
	Steve Glendinning <steve.glendinning@...c.com>,
	"David S. Miller" <davem@...emloft.net>,
	<linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v3] net/smsc911x: add device tree probe support

On Thu, Sep 08, 2011 at 03:59:46PM +0100, Dave Martin wrote:
> Hi Shawn,
> 
> On Sun, Jul 31, 2011 at 02:26:00AM +0800, Shawn Guo wrote:
> > It adds device tree probe support for smsc911x driver.
> > 
> > Signed-off-by: Shawn Guo <shawn.guo@...aro.org>
> > Cc: Grant Likely <grant.likely@...retlab.ca>
> > Cc: Steve Glendinning <steve.glendinning@...c.com>
> > Cc: David S. Miller <davem@...emloft.net>
> > Reviewed-by: Grant Likely <grant.likely@...retlab.ca>
> > ---
> > Changes since v2:
> >  * Fix a typo in smsc911x.txt
> > 
> > Changes since v1:
> >  * Instead of getting irq line from gpio number, it use irq domain
> >    to keep platform_get_resource(IORESOURCE_IRQ) works for dt too.
> >  * Use 'lan9115' the first model that smsc911x supports in the match
> >    table
> >  * Use reg-shift and reg-io-width which already used in of_serial for
> >    shift and access size binding
> 
> When using this patch with vexpress, I found that 16-bit register access
> mode doesn't seem to be getting set correctly.
> 
> Can you take a look at this additional patch and let me know if it looks
> correct?
> 
> Cheers
> ---Dave
> 
> From: Dave Martin <dave.martin@...aro.org>
> Date: Wed, 7 Sep 2011 17:26:31 +0100
> Subject: [PATCH] net/smsc911x: Correctly configure 16-bit register access from DT
> 
> The SMSC911X_USE_16BIT needs to be set when using 16-bit register
> access.  However, currently no flag is set if the DT doesn't specify
> 32-bit access.
> 
> This patch should set the SMSC911X_USE_16BIT flag in a manner consistent
> with the documented DT bindings.
> 
> Signed-off-by: Dave Martin <dave.martin@...aro.org>
> ---

Acked-by: Shawn Guo <shawn.guo@...aro.org>

>  drivers/net/smsc911x.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
> index 75c08a5..1a35c25 100644
> --- a/drivers/net/smsc911x.c
> +++ b/drivers/net/smsc911x.c
> @@ -2121,6 +2121,8 @@ static int __devinit smsc911x_probe_config_dt(
>  	of_property_read_u32(np, "reg-io-width", &width);
>  	if (width == 4)
>  		config->flags |= SMSC911X_USE_32BIT;
> +	else
> +		config->flags |= SMSC911X_USE_16BIT;
>  
>  	if (of_get_property(np, "smsc,irq-active-high", NULL))
>  		config->irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_HIGH;
> -- 
> 1.7.4.1
> 
> --
> To unsubscribe from this list: send the line "unsubscribe netdev" in
> the body of a message to majordomo@...r.kernel.org
> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html