From: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
To: linux acpi <linux-acpi@vger.kernel.org>
Cc: Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com>
Subject: [RESEND] [PATCH 1/3] ACPI: battery: Fix CONFIG_ACPI_SYSFS_POWER=n
Date: Tue, 30 Jun 2009 15:30:52 +0100 [thread overview]
Message-ID: <4A4A219C.2020802@tuffmail.co.uk> (raw)
Disabling CONFIG_ACPI_SYSFS_POWER changes the behaviour of
acpi_battery_update(). It will call acpi_battery_get_info()
even if the battery is not present. I haven't noticed this
causing any problem, but it does look like a bad idea.
Signed-off-by: Alan Jenkins <alan-jenkins@tuffmail.co.uk>
CC: Alexey Starikovskiy <alexey.y.starikovskiy@linux.intel.com>
---
drivers/acpi/battery.c | 4 ++--
1 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c
index 58b4517..908edce 100644
--- a/drivers/acpi/battery.c
+++ b/drivers/acpi/battery.c
@@ -501,13 +501,13 @@ static int acpi_battery_update(struct acpi_battery *battery)
result = acpi_battery_get_status(battery);
if (result)
return result;
-#ifdef CONFIG_ACPI_SYSFS_POWER
if (!acpi_battery_present(battery)) {
+#ifdef CONFIG_ACPI_SYSFS_POWER
sysfs_remove_battery(battery);
+#endif
battery->update_time = 0;
return 0;
}
-#endif
if (!battery->update_time ||
old_present != acpi_battery_present(battery)) {
result = acpi_battery_get_info(battery);
--
1.6.3.2
next reply other threads:[~2009-06-30 14:30 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-30 14:30 Alan Jenkins [this message]
2009-06-30 14:35 ` [RESEND] [PATCH 1/3] ACPI: battery: Fix CONFIG_ACPI_SYSFS_POWER=n Alan Jenkins
2009-06-30 14:36 ` [RESEND] [PATCH 2/3] ACPI: battery drivers should call power_supply_changed() Alan Jenkins
2009-06-30 14:37 ` [RESEND] [PATCH 3/3] ACPI: battery: register power_supply subdevice even when battery not present Alan Jenkins
2009-09-07 16:06 ` [RESEND] [PATCH 1/3] ACPI: battery: Fix CONFIG_ACPI_SYSFS_POWER=n Maxim Levitsky
2009-09-09 17:22 ` Alan Jenkins
2009-09-09 21:21 ` Maxim Levitsky
2009-09-10 11:11 ` Alan Jenkins
2009-09-11 2:34 ` Maxim Levitsky
2009-12-10 4:49 ` Len Brown
2009-12-11 10:50 ` Alan Jenkins
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