Messages in this thread Patch in this message | | | From | Linus Walleij <> | Subject | [PATCH v3] mfd/ab8500: print switch off cause | Date | Tue, 5 Jun 2012 10:11:34 +0200 |
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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> --- ChangeLog v2->v3: - Use printk() with KERN_CONT instead of separate dev_* or printk() calls. (Review comment from Joe Perches.) 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..279bdeb 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) + printk(KERN_CONT " \"%s\"", + switch_off_status[i]); + value = value >> 1; + + } + printk(KERN_CONT "\n"); + } else { + printk(KERN_CONT " None\n"); + } + if (plat && plat->init) plat->init(ab8500); -- 1.7.9.2
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