/* * V4L I2C address list * * * Copyright (C) 2006 Mauro Carvalho Chehab * Based on a previous mapping by * Ralph Metzler (rjkm@thp.uni-koeln.de) * Gerd Knorr * */ /* bttv address list */ #define I2C_ADDR_TSA5522 0xc2 #define I2C_ADDR_TDA7432 0x8a #define I2C_ADDR_TDA8425 0x82 #define I2C_ADDR_TDA9840 0x84 #define I2C_ADDR_TDA9850 0xb6 /* also used by 9855,9873 */ #define I2C_ADDR_TDA9874 0xb0 /* also used by 9875 */ #define I2C_ADDR_TDA9875 0xb0 #define I2C_ADDR_HAUPEE 0xa0 #define I2C_ADDR_STBEE 0xae #define I2C_ADDR_VHX 0xc0 #define I2C_ADDR_MSP3400 0x80 #define I2C_ADDR_MSP3400_ALT 0x88 #define I2C_ADDR_TEA6300 0x80 /* also used by 6320 */ #define I2C_ADDR_DPL3518 0x84 #define I2C_ADDR_TDA9887 0x86 /* * i2c bus addresses for the chips supported by tvaudio.c */ #define I2C_ADDR_TDA8425 0x82 #define I2C_ADDR_TDA9840 0x84 /* also used by TA8874Z */ #define I2C_ADDR_TDA985x_L 0xb4 /* also used by 9873 */ #define I2C_ADDR_TDA985x_H 0xb6 #define I2C_ADDR_TDA9874 0xb0 /* also used by 9875 */ #define I2C_ADDR_TEA6300 0x80 /* also used by 6320 */ #define I2C_ADDR_TEA6420 0x98 #define I2C_ADDR_PIC16C54 0x96 /* PV951 */ remove' selected='selected'>nds-private-remove net-next plumbingsTobias Klauser
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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/atm/ioctl.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/atm/ioctl.c')