* Re: [PATCH RESENDv2] mach:-s3c64xx:Output trace information with WARN_ON if calls for setting up gpio board configuration fail in s3c64xx_i2s_cfg_gpio
[not found] <1443578870-14534-1-git-send-email-xerofoify@gmail.com>
@ 2015-09-30 23:48 ` Krzysztof Kozlowski
0 siblings, 0 replies; only message in thread
From: Krzysztof Kozlowski @ 2015-09-30 23:48 UTC (permalink / raw)
To: Nicholas Krause, kgene
Cc: linux, linux-arm-kernel, linux-samsung-soc, linux-kernel
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;
> }
>
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