Messages in this thread | | | Subject | 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 | From | Krzysztof Kozlowski <> | Date | Thu, 01 Oct 2015 08:48:23 +0900 |
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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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