linux-stable/arch/mips/bcm63xx
Jonas Gorski 94e23ed3f5 MIPS: BCM63XX: drop unused and broken DSP platform device
[ Upstream commit 682fee8028 ]

Trying to register the DSP platform device results in a null pointer
access:

[    0.124184] CPU 0 Unable to handle kernel paging request at virtual address 00000000, epc == 804e305c, ra == 804e6f20
[    0.135208] Oops[#1]:
[    0.137514] CPU: 0 PID: 1 Comm: swapper Not tainted 4.14.87
...
[    0.197117] epc   : 804e305c bcm63xx_dsp_register+0x80/0xa4
[    0.202838] ra    : 804e6f20 board_register_devices+0x258/0x390
...

This happens because it tries to copy the passed platform data over the
platform_device's unpopulated platform_data.

Since this code has been broken since its submission, no driver was ever
submitted for it, and apparently nobody was using it, just remove it
instead of trying to fix it.

Fixes: e7300d04bd ("MIPS: BCM63xx: Add support for the Broadcom BCM63xx family of SOCs.")
Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Cc: linux-mips@linux-mips.org
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2020-01-27 14:50:10 +01:00
..
boards MIPS: BCM63XX: drop unused and broken DSP platform device 2020-01-27 14:50:10 +01:00
clk.c MIPS: BCM63XX: split out swpkt_sar/usb clocks 2017-11-07 18:33:20 +00:00
cpu.c MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
cs.c MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
dev-enet.c MIPS: BCM63XX: provide DMA masks for ethernet devices 2019-03-05 17:58:54 +01:00
dev-flash.c
dev-hsspi.c MIPS: BCM63XX: add HSSPI platform device and register it 2014-01-22 20:18:50 +01:00
dev-pcmcia.c MIPS: BCM63XX: Use pr_* instead of printk 2015-11-11 08:38:29 +01:00
dev-rng.c
dev-spi.c spi/bcm63xx: move register definitions into the driver 2015-10-23 01:19:58 +09:00
dev-uart.c
dev-usb-usbd.c
dev-wdt.c
early_printk.c mips: unify prom_putchar() declarations 2018-07-17 09:40:17 -07:00
gpio.c MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
irq.c MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile MIPS: BCM63XX: drop unused and broken DSP platform device 2020-01-27 14:50:10 +01:00
nvram.c Revert "MIPS: bcm63xx: nvram: Remove unused bcm63xx_nvram_get_psi_size() function" 2016-01-27 20:51:50 +01:00
Platform
prom.c MIPS: bmips: mark exception vectors as char arrays 2019-11-10 11:27:31 +01:00
reset.c MIPS: BCM63XX: fix switch core reset on BCM6368 2019-11-20 18:45:10 +01:00
setup.c MIPS: BCM63XX: Use pr_* instead of printk 2015-11-11 08:38:29 +01:00
timer.c MIPS: Audit and remove any unnecessary uses of module.h 2017-02-14 09:00:25 +00:00