linux-kernel - Re: [PATCH 2/2] gpio-f7188x: filter non-export gpio for F81866

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] [day] [month] [year] [list]

Date:	Wed, 13 Jan 2016 10:03:55 +0800
From:	Peter Hung <hpeter@...il.com>
To:	Andy Shevchenko <andy.shevchenko@...il.com>
Cc:	Linus Walleij <linus.walleij@...aro.org>,
	Alexandre Courbot <gnurou@...il.com>,
	"linux-gpio@...r.kernel.org" <linux-gpio@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	tom_tsai@...tek.com.tw, Peter H <peter_hong@...tek.com.tw>,
	Peter Hung <hpeter+linux_kernel@...il.com>
Subject: Re: [PATCH 2/2] gpio-f7188x: filter non-export gpio for F81866

Hi Andy,

Andy Shevchenko 於 2016/1/12 下午 05:33 寫道:
> On Tue, Jan 12, 2016 at 9:41 AM, Peter Hung <hpeter@...il.com> wrote:
>> Dont export gpios which not enabled by motherboard manufacturer.
>
> 'Do not' or 'Don't'.
>
> Perhaps 'GPIOs'.
>
> 'which are not enabled'

OK.

>> +#define F81866_PORT_SEL_REG    0x27
>> +#define F81866_MULTI_FUN1_REG  0x28
>> +#define F81866_MULTI_FUN3_REG  0x29
>> +#define F81866_MULTI_FUN4_REG  0x2B
>> +#define F81866_GPIO_EN_REG     0x2C
>> +
>
> Move this before IDs block.

OK.


>> +static inline void superio_mask_outb(int base, int reg, int mask, int val)
>
> Usually we named such as _update or _update_bits.
> superio_update()

OK

>> +static int f81866_verify_gpioset(int base, int set)
>
> …_gpio_verify() looks more suitable to the existing scheme.

OK

>> +                * manufacturer.
>> +                */
>> +               if (sio->type == f81866 && f81866_verify_gpioset(sio->addr, i))
>> +                       continue;
>> +
>> +               dev_dbg(&pdev->dev, "%s: register GPIO%xx set\n", __func__,
>
> %x ?

Sorry for misunderstand. This section will print debug message as GPIO3x
set if GPIO3 set enabled, so I used %xx.

We are discussing about the patch with maintainer. It maybe drop if
don't need filter.

Thanks for your advices.
-- 
With Best Regards,
Peter Hung