Ville Syrjälä a171bc51fa pinctrl: baytrail: Fix lockdep ... Initialize the spinlock before using it. INFO: trying to register non-static key. the code is fine but needs lockdep annotation. turning off the locking correctness validator. CPU: 2 PID: 1 Comm: swapper/0 Not tainted 4.8.0-dwc-bisect #4 Hardware name: Intel Corp. VALLEYVIEW C0 PLATFORM/BYT-T FFD8, BIOS BLAKFF81.X64.0088.R10.1403240443 FFD8_X64_R_2014_13_1_00 03/24/2014 0000000000000000 ffff8800788ff770 ffffffff8133d597 0000000000000000 0000000000000000 ffff8800788ff7e0 ffffffff810cfb9e 0000000000000002 ffff8800788ff7d0 ffffffff8205b600 0000000000000002 ffff8800788ff7f0 Call Trace: [<ffffffff8133d597>] dump_stack+0x67/0x90 [<ffffffff810cfb9e>] register_lock_class+0x52e/0x540 [<ffffffff810d2081>] __lock_acquire+0x81/0x16b0 [<ffffffff810cede1>] ? save_trace+0x41/0xd0 [<ffffffff810d33b2>] ? __lock_acquire+0x13b2/0x16b0 [<ffffffff810cf05a>] ? __lock_is_held+0x4a/0x70 [<ffffffff810d3b1a>] lock_acquire+0xba/0x220 [<ffffffff8136f1fe>] ? byt_gpio_get_direction+0x3e/0x80 [<ffffffff81631567>] _raw_spin_lock_irqsave+0x47/0x60 [<ffffffff8136f1fe>] ? byt_gpio_get_direction+0x3e/0x80 [<ffffffff8136f1fe>] byt_gpio_get_direction+0x3e/0x80 [<ffffffff813740a9>] gpiochip_add_data+0x319/0x7d0 [<ffffffff81631723>] ? _raw_spin_unlock_irqrestore+0x43/0x70 [<ffffffff8136fe3b>] byt_pinctrl_probe+0x2fb/0x620 [<ffffffff8142fb0c>] platform_drv_probe+0x3c/0xa0 ... Based on the diff it looks like the problem was introduced in commit 71e6ca61e8 ("pinctrl: baytrail: Register pin control handling") but I wasn't able to verify that empirically as the parent commit just oopsed when I tried to boot it. Cc: Cristina Ciocan <cristina.ciocan@intel.com> Cc: stable@vger.kernel.org Fixes: 71e6ca61e8 ("pinctrl: baytrail: Register pin control handling") Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com> Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>		2016-10-18 14:36:13 +02:00
..
Kconfig	pinctrl: intel: Add Intel Merrifield pin controller support	2016-06-29 09:59:35 +02:00
Makefile	pinctrl: intel: Add Intel Merrifield pin controller support	2016-06-29 09:59:35 +02:00
pinctrl-baytrail.c	pinctrl: baytrail: Fix lockdep	2016-10-18 14:36:13 +02:00
pinctrl-broxton.c	pinctrl/broxton: enable platform device in the absence of ACPI enumeration	2016-06-15 08:37:42 +02:00
pinctrl-cherryview.c	pinctrl: cherryview: Convert to use devm_gpiochip_add_data()	2016-09-23 14:59:42 +02:00
pinctrl-intel.c	pinctrl: intel: Configure GPIO chip IRQ as wakeup interrupts	2016-09-23 15:14:21 +02:00
pinctrl-intel.h	pinctrl: intel: fix bug of register offset calculation	2015-12-10 23:01:41 +01:00
pinctrl-merrifield.c	pinctrl: intel: merrifield: fix dup size in probe	2016-09-12 15:45:16 +02:00
pinctrl-sunrisepoint.c	pinctrl: intel: fix bug of register offset calculation	2015-12-10 23:01:41 +01:00