linux-kernel - Re: [PATCH 09/10] mtd: st_spi_fsm: Provide mask to obtain correct boot device pins

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: Windows password security audit tool. GUI, reports in PDF.

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

Date:	Thu, 22 May 2014 13:53:52 +0200
From:	Arnd Bergmann <arnd@...db.de>
To:	Lee Jones <lee.jones@...aro.org>
Cc:	linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Christophe Kerello <christophe.kerello@...com>,
	computersforpeace@...il.com, linux-mtd@...ts.infradead.org
Subject: Re: [PATCH 09/10] mtd: st_spi_fsm: Provide mask to obtain correct boot device pins

On Thursday 22 May 2014 12:52:16 Lee Jones wrote:
> > On Thursday 22 May 2014 12:24:07 Lee Jones wrote:
> > > +       /* Mask to apply on boot_device_reg */
> > > +       ret = of_property_read_u32(np, "st,boot-device-msk", &boot_device_msk);
> > > +       if (ret)
> > > +               goto boot_device_fail;
> > > +
> > > 
> > 
> > The binding defines this property as "optional", but the driver fails
> > here if it's not provided. I suggest you add a default value here so you
> > can deal with existing dts. The default should be documented in
> > the binding as well.
> 
> The property is optional. It doesn't fail completely, merely skips the
> boot device check and falls back to using SPI.  I can update the
> documentation to this effect though, no problem.

Ah, I see, thanks for the explanation!

	Arnd
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/