From: k.kozlowski@samsung•com (Krzysztof Kozlowski)
To: linux-arm-kernel@lists•infradead.org
Subject: [PATCH RESENDv2] mach:-s3c64xx:Output trace information with WARN_ON if calls for setting up gpio board configuration fail in s3c64xx_i2s_cfg_gpio
Date: Thu, 01 Oct 2015 08:48:23 +0900 [thread overview]
Message-ID: <560C74C7.7030409@samsung.com> (raw)
In-Reply-To: <1443578870-14534-1-git-send-email-xerofoify@gmail.com>
On 30.09.2015 11:07, Nicholas Krause wrote:
> This fixes the function s3c64xx_i2c_cfg_gpio to log output to the
> kernel log buff with WARN_ON if any of the calls to either
> s3c_gpio_cfgpin_range or s3c_gpio_cfgpin fail as we cannot exit
> from s3c64xx_i2s_cfg_gpio if any of these calls fail due to
> other intended function work being required to complete.
This is better now.
> Therefore
> due to this output our failed calls by means of WARN_ON to the
> kernel log buffer for failed configuration of gpio devices using
> this driver file.
I don't get this sentence. What do you want to say?
> v2:Fix Patch Wording as it was clearly confusing and incorrect
Changelog goes after --- separator.
Last question - have you compiled it? I mean truly compiled like
generated object file and linked objects into vmlinux?
Best regards,
Krzysztof
>
> Signed-off-by: Nicholas Krause <xerofoify@gmail•com>
> ---
> arch/arm/mach-s3c64xx/dev-audio.c | 10 +++++-----
> 1 file changed, 5 insertions(+), 5 deletions(-)
>
> diff --git a/arch/arm/mach-s3c64xx/dev-audio.c b/arch/arm/mach-s3c64xx/dev-audio.c
> index ff780a8..5e7538b 100644
> --- a/arch/arm/mach-s3c64xx/dev-audio.c
> +++ b/arch/arm/mach-s3c64xx/dev-audio.c
> @@ -36,10 +36,10 @@ static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
> base = S3C64XX_GPE(0);
> break;
> case 2:
> - s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5));
> - s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5));
> - s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5));
> - s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));
> + WARN_ON(s3c_gpio_cfgpin(S3C64XX_GPC(4), S3C_GPIO_SFN(5)));
> + WARN_ON(s3c_gpio_cfgpin(S3C64XX_GPC(5), S3C_GPIO_SFN(5)));
> + WARN_ON(s3c_gpio_cfgpin(S3C64XX_GPC(7), S3C_GPIO_SFN(5)));
> + WARN_ON(s3c_gpio_cfgpin_range(S3C64XX_GPH(6), 4, S3C_GPIO_SFN(5));)
> return 0;
> default:
> printk(KERN_DEBUG "Invalid I2S Controller number: %d\n",
> @@ -47,7 +47,7 @@ static int s3c64xx_i2s_cfg_gpio(struct platform_device *pdev)
> return -EINVAL;
> }
>
> - s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3));
> + WARN_ON(s3c_gpio_cfgpin_range(base, 5, S3C_GPIO_SFN(3)));
>
> return 0;
> }
>
next prev parent reply other threads:[~2015-09-30 23:48 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-09-30 2:07 [PATCH RESENDv2] mach:-s3c64xx:Output trace information with WARN_ON if calls for setting up gpio board configuration fail in s3c64xx_i2s_cfg_gpio Nicholas Krause
2015-09-30 23:48 ` Krzysztof Kozlowski [this message]
2015-10-01 2:26 ` nick
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