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SubjectRe: [PATCH RESEND v2] mfd/ab8500: print switch off cause
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On Mon, 2012-06-04 at 10:10 +0200, Linus Walleij wrote:
> From: Jonas Aaberg <jonas.aberg@stericsson.com>
>
> Instead of just printing the register value, also output some
> description of the value.
>
> Signed-off-by: Jonas Aaberg <jonas.aberg@stericsson.com>
> Reviewed-by: Mattias Wallin <mattias.wallin@stericsson.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> ---
> Sam, this seems to have gone missing in the v3.5 merge window,
> it was sent out and IIRC accepted. Anyway, no big deal but
> consider pushing this for the -rc:s.
>
> ChangeLog v1->v2:
> - Print each cause on its own line with a tab to avoid missing
> initial cause heading if loglevel < info.
> ---
> drivers/mfd/ab8500-core.c | 25 ++++++++++++++++++++++++-
> 1 file changed, 24 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/mfd/ab8500-core.c b/drivers/mfd/ab8500-core.c
> index dac0e29..6c81dc0 100644
> --- a/drivers/mfd/ab8500-core.c
> +++ b/drivers/mfd/ab8500-core.c
> @@ -1217,6 +1217,15 @@ static const struct of_device_id ab8500_match[] = {
>
> static int __devinit ab8500_probe(struct platform_device *pdev)
> {
> + static char *switch_off_status[] = {
> + "Swoff bit programming",
> + "Thermal protection activation",
> + "Vbat lower then BattOk falling threshold",
> + "Watchdog expired",
> + "Non presence of 32kHz clock",
> + "Battery level lower than power on reset threshold",
> + "Power on key 1 pressed longer than 10 seconds",
> + "DB8500 thermal shutdown"};
> struct ab8500_platform_data *plat = dev_get_platdata(&pdev->dev);
> const struct platform_device_id *platid = platform_get_device_id(pdev);
> enum ab8500_version version = AB8500_VERSION_UNDEFINED;
> @@ -1323,7 +1332,21 @@ static int __devinit ab8500_probe(struct platform_device *pdev)
> AB8500_SWITCH_OFF_STATUS, &value);
> if (ret < 0)
> return ret;
> - dev_info(ab8500->dev, "switch off status: %#x", value);
> + dev_info(ab8500->dev, "switch off cause(s) (%#x): ", value);
> +
> + if (value) {
> + for (i = 0; i < ARRAY_SIZE(switch_off_status); i++) {
> + if (value & 1)
> + dev_info(ab8500->dev,
> + "\"\t%s\" ", switch_off_status[i]);

This should be printk with or without KERN_CONT

The tab use is also not necessary, a single space
or a comma would probably be better.



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