Talos™ II Linux sources for OpenBMC https://git.raptorcs.com/git/talos-obmc-linux/atom?h=dev-4.13 2017-09-27T12:43:12+00:00 2017-09-27T12:43:12+00:00 Kai-Heng Feng kai.heng.feng@canonical.com 2017-09-15T16:36:16+00:00 urn:sha1:6e1ad8d59492c9b7aff0d1001f11765e65e94e72 commit 697c5d8a36768b36729533fb44622b35d56d6ad0 upstream. Similar to other Gigabyte laptops, the touchpad on P57 requires a keyboard reset to detect Elantech touchpad correctly. BugLink: https://bugs.launchpad.net/bugs/1594214 Signed-off-by: Kai-Heng Feng <kai.heng.feng@canonical.com> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> 2017-07-15T05:53:37+00:00 Linus Torvalds torvalds@linux-foundation.org 2017-07-15T05:53:37+00:00 urn:sha1:0ffff118b16b1201801d002ff9fa2eecdb45c529 Pull a few more input updates from Dmitry Torokhov: - multi-touch handling for Xen - fix for long-standing bug causing crashes in i8042 on boot - change to gpio_keys to better handle key presses during system state transition * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: i8042 - fix crash at boot time Input: gpio_keys - handle the missing key press event in resume phase Input: xen-kbdfront - add multi-touch support 2017-07-12T21:17:17+00:00 Dmitry Torokhov dmitry.torokhov@gmail.com 2017-07-12T21:17:17+00:00 urn:sha1:dda5202b001cb59b16a1d20d063edd71e12905b3 Prepare second round of input updates for 4.13 merge window. 2017-07-12T18:42:15+00:00 Chen Hong chenhong3@huawei.com 2017-07-02T22:11:10+00:00 urn:sha1:340d394a789518018f834ff70f7534fc463d3226 The driver checks port->exists twice in i8042_interrupt(), first when trying to assign temporary "serio" variable, and second time when deciding whether it should call serio_interrupt(). The value of port->exists may change between the 2 checks, and we may end up calling serio_interrupt() with a NULL pointer: BUG: unable to handle kernel NULL pointer dereference at 0000000000000050 IP: [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40 PGD 0 Oops: 0002 [#1] SMP last sysfs file: CPU 0 Modules linked in: Pid: 1, comm: swapper Not tainted 2.6.32-358.el6.x86_64 #1 QEMU Standard PC (i440FX + PIIX, 1996) RIP: 0010:[<ffffffff8150feaf>] [<ffffffff8150feaf>] _spin_lock_irqsave+0x1f/0x40 RSP: 0018:ffff880028203cc0 EFLAGS: 00010082 RAX: 0000000000010000 RBX: 0000000000000000 RCX: 0000000000000000 RDX: 0000000000000282 RSI: 0000000000000098 RDI: 0000000000000050 RBP: ffff880028203cc0 R08: ffff88013e79c000 R09: ffff880028203ee0 R10: 0000000000000298 R11: 0000000000000282 R12: 0000000000000050 R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000098 FS: 0000000000000000(0000) GS:ffff880028200000(0000) knlGS:0000000000000000 CS: 0010 DS: 0018 ES: 0018 CR0: 000000008005003b CR2: 0000000000000050 CR3: 0000000001a85000 CR4: 00000000001407f0 DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000400 Process swapper (pid: 1, threadinfo ffff88013e79c000, task ffff88013e79b500) Stack: ffff880028203d00 ffffffff813de186 ffffffffffffff02 0000000000000000 <d> 0000000000000000 0000000000000000 0000000000000000 0000000000000098 <d> ffff880028203d70 ffffffff813e0162 ffff880028203d20 ffffffff8103b8ac Call Trace: <IRQ> [<ffffffff813de186>] serio_interrupt+0x36/0xa0 [<ffffffff813e0162>] i8042_interrupt+0x132/0x3a0 [<ffffffff8103b8ac>] ? kvm_clock_read+0x1c/0x20 [<ffffffff8103b8b9>] ? kvm_clock_get_cycles+0x9/0x10 [<ffffffff810e1640>] handle_IRQ_event+0x60/0x170 [<ffffffff8103b154>] ? kvm_guest_apic_eoi_write+0x44/0x50 [<ffffffff810e3d8e>] handle_edge_irq+0xde/0x180 [<ffffffff8100de89>] handle_irq+0x49/0xa0 [<ffffffff81516c8c>] do_IRQ+0x6c/0xf0 [<ffffffff8100b9d3>] ret_from_intr+0x0/0x11 [<ffffffff81076f63>] ? __do_softirq+0x73/0x1e0 [<ffffffff8109b75b>] ? hrtimer_interrupt+0x14b/0x260 [<ffffffff8100c1cc>] ? call_softirq+0x1c/0x30 [<ffffffff8100de05>] ? do_softirq+0x65/0xa0 [<ffffffff81076d95>] ? irq_exit+0x85/0x90 [<ffffffff81516d80>] ? smp_apic_timer_interrupt+0x70/0x9b [<ffffffff8100bb93>] ? apic_timer_interrupt+0x13/0x20 To avoid the issue let's change the second check to test whether serio is NULL or not. Also, let's take i8042_lock in i8042_start() and i8042_stop() instead of trying to be overly smart and using memory barriers. Signed-off-by: Chen Hong <chenhong3@huawei.com> [dtor: take lock in i8042_start()/i8042_stop()] Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> 2017-07-07T05:06:11+00:00 Linus Torvalds torvalds@linux-foundation.org 2017-07-07T05:06:11+00:00 urn:sha1:90880b532a7ebd13a052d6c410807b33809a3efb Pull probe_kernel_read() uses from Al Viro: "Several open-coded probe_kernel_read()..." * 'work.probe_kernel_read' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs: dio: use probe_kernel_read() hp_sdc: use probe_kernel_read() hpfb: use probe_kernel_read() 2017-06-20T03:10:15+00:00 Daniel Drake drake@endlessm.com 2017-06-20T02:48:52+00:00 urn:sha1:817ae460c784f32cd45e60b2b1b21378c3c6a847 Without this quirk, the touchpad is not responsive on this product, with the following message repeated in the logs: psmouse serio1: bad data from KBC - timeout Add it to the notimeout list alongside other similar Fujitsu laptops. Signed-off-by: Daniel Drake <drake@endlessm.com> Cc: stable@vger.kernel.org Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> 2017-05-27T19:41:21+00:00 Al Viro viro@zeniv.linux.org.uk 2017-05-27T03:47:39+00:00 urn:sha1:f9f5796e7a534cc99cee577be47e109d5123baf1 Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> 2017-05-02T16:48:26+00:00 Dmitry Torokhov dmitry.torokhov@gmail.com 2017-05-02T16:48:26+00:00 urn:sha1:0337966d121ebebf73a1c346123e8112796e684e Prepare input updates for 4.12 merge window. 2017-04-24T23:15:58+00:00 Dmitry Torokhov dmitry.torokhov@gmail.com 2017-04-13T22:36:31+00:00 urn:sha1:7c5bb4ac2b76d2a09256aec8a7d584bf3e2b0466 Clevo P650RS and other similar devices require i8042 to be reset in order to detect Synaptics touchpad. Reported-by: Paweł Bylica <chfast@gmail.com> Tested-by: Ed Bordin <edbordin@gmail.com> Cc: stable@vger.kernel.org Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=190301 Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com> 2017-04-03T19:01:20+00:00 Dmitry Torokhov dmitry.torokhov@gmail.com 2017-04-03T19:01:20+00:00 urn:sha1:03b22057e8ed2d1df416c9ae8e6e247e0b87ecc8 Sync up with mainline to bring in changes to input subsystem merged through other trees.