/* * wm8770.h -- WM8770 ASoC driver * * Copyright 2010 Wolfson Microelectronics plc * * Author: Dimitris Papastamos * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ #ifndef _WM8770_H #define _WM8770_H /* Registers */ #define WM8770_VOUT1LVOL 0 #define WM8770_VOUT1RVOL 0x1 #define WM8770_VOUT2LVOL 0x2 #define WM8770_VOUT2RVOL 0x3 #define WM8770_VOUT3LVOL 0x4 #define WM8770_VOUT3RVOL 0x5 #define WM8770_VOUT4LVOL 0x6 #define WM8770_VOUT4RVOL 0x7 #define WM8770_MSALGVOL 0x8 #define WM8770_DAC1LVOL 0x9 #define WM8770_DAC1RVOL 0xa #define WM8770_DAC2LVOL 0xb #define WM8770_DAC2RVOL 0xc #define WM8770_DAC3LVOL 0xd #define WM8770_DAC3RVOL 0xe #define WM8770_DAC4LVOL 0xf #define WM8770_DAC4RVOL 0x10 #define WM8770_MSDIGVOL 0x11 #define WM8770_DACPHASE 0x12 #define WM8770_DACCTRL1 0x13 #define WM8770_DACMUTE 0x14 #define WM8770_DACCTRL2 0x15 #define WM8770_IFACECTRL 0x16 #define WM8770_MSTRCTRL 0x17 #define WM8770_PWDNCTRL 0x18 #define WM8770_ADCLCTRL 0x19 #define WM8770_ADCRCTRL 0x1a #define WM8770_ADCMUX 0x1b #define WM8770_OUTMUX1 0x1c #define WM8770_OUTMUX2 0x1d #define WM8770_RESET 0x31 #define WM8770_CACHEREGNUM 0x20 #endif cgit.cgi/linux/net-next.git/tree/tools/perf/CREDITS?h=nds-private-remove&id=9dd7f8907c3705dc7a7a375d1c6e30b06e6daffc'>treecommitdiff
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authorBjorn Helgaas <bhelgaas@google.com>2017-01-27 15:00:45 -0600
committerBjorn Helgaas <bhelgaas@google.com>2017-01-27 15:00:45 -0600
commit030305d69fc6963c16003f50d7e8d74b02d0a143 (patch)
tree363a4e34d199178769b7e7eeb26ea2620a55847b /net/ieee802154/trace.c
parent4d191b1b63c209e37bf27938ef365244d3c41084 (diff)
PCI/ASPM: Handle PCI-to-PCIe bridges as roots of PCIe hierarchies
In a struct pcie_link_state, link->root points to the pcie_link_state of the root of the PCIe hierarchy. For the topmost link, this points to itself (link->root = link). For others, we copy the pointer from the parent (link->root = link->parent->root). Previously we recognized that Root Ports originated PCIe hierarchies, but we treated PCI/PCI-X to PCIe Bridges as being in the middle of the hierarchy, and when we tried to copy the pointer from link->parent->root, there was no parent, and we dereferenced a NULL pointer: BUG: unable to handle kernel NULL pointer dereference at 0000000000000090 IP: [<ffffffff9e424350>] pcie_aspm_init_link_state+0x170/0x820 Recognize that PCI/PCI-X to PCIe Bridges originate PCIe hierarchies just like Root Ports do, so link->root for these devices should also point to itself. Fixes: 51ebfc92b72b ("PCI: Enumerate switches below PCI-to-PCIe bridges") Link: https://bugzilla.kernel.org/show_bug.cgi?id=193411 Link: https://bugzilla.opensuse.org/show_bug.cgi?id=1022181 Tested-by: lists@ssl-mail.com Tested-by: Jayachandran C. <jnair@caviumnetworks.com> Signed-off-by: Bjorn Helgaas <bhelgaas@google.com> CC: stable@vger.kernel.org # v4.2+
Diffstat (limited to 'net/ieee802154/trace.c')