From: Henrique de Moraes Holschuh Date: Fri, 26 Feb 2010 00:28:58 +0000 (-0300) Subject: thinkpad-acpi: fix poll thread auto-start X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=b589ea4c44170d3f7a845684e2d1b3b9571663af;p=openwrt%2Fstaging%2Fblogic.git thinkpad-acpi: fix poll thread auto-start The driver was not starting the NVRAM polling thread if the input device was bound immediately after registration. This fixes: http://bugzilla.kernel.org/show_bug.cgi?id=15118 Reported-by: Florian Zumbiehl Signed-off-by: Henrique de Moraes Holschuh Cc: stable@kernel.org --- diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 06657b71171c..933bcc477f4a 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -2607,16 +2607,11 @@ static int hotkey_inputdev_open(struct input_dev *dev) { switch (tpacpi_lifecycle) { case TPACPI_LIFE_INIT: - /* - * hotkey_init will call hotkey_poll_setup_safe - * at the appropriate moment - */ - return 0; - case TPACPI_LIFE_EXITING: - return -EBUSY; case TPACPI_LIFE_RUNNING: hotkey_poll_setup_safe(false); return 0; + case TPACPI_LIFE_EXITING: + return -EBUSY; } /* Should only happen if tpacpi_lifecycle is corrupt */ @@ -2627,7 +2622,7 @@ static int hotkey_inputdev_open(struct input_dev *dev) static void hotkey_inputdev_close(struct input_dev *dev) { /* disable hotkey polling when possible */ - if (tpacpi_lifecycle == TPACPI_LIFE_RUNNING && + if (tpacpi_lifecycle != TPACPI_LIFE_EXITING && !(hotkey_source_mask & hotkey_driver_mask)) hotkey_poll_setup_safe(false); } @@ -9038,6 +9033,9 @@ static int __init thinkpad_acpi_module_init(void) return ret; } } + + tpacpi_lifecycle = TPACPI_LIFE_RUNNING; + ret = input_register_device(tpacpi_inputdev); if (ret < 0) { printk(TPACPI_ERR "unable to register input device\n"); @@ -9047,7 +9045,6 @@ static int __init thinkpad_acpi_module_init(void) tp_features.input_device_registered = 1; } - tpacpi_lifecycle = TPACPI_LIFE_RUNNING; return 0; }