linux-stable/arch/mips/ralink
Sander Vanheule 3f9ef7785a MIPS: ralink: manage low reset lines
Reset lines with indices smaller than 8 are currently considered invalid
by the rt2880-reset reset controller.

The MT7621 SoC uses a number of these low reset lines. The DTS defines
reset lines "hsdma", "fe", and "mcm" with respective values 5, 6, and 2.
As a result of the above restriction, these resets cannot be asserted or
de-asserted by the reset controller. In cases where the bootloader does
not de-assert these lines, this results in e.g. the MT7621's internal
switch staying in reset.

Change the reset controller to only ignore the system reset, so all
reset lines with index greater than 0 are considered valid.

Signed-off-by: Sander Vanheule <sander@svanheule.net>
Acked-by: John Crispin <john@phrozen.org>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
2021-02-04 13:35:01 +01:00
..
bootrom.c MIPS: ralink: bootrom: mark a function as __init to save some memory 2020-05-31 13:35:13 +02:00
cevt-rt3352.c MIPS: Replace setup_irq() by request_irq() 2020-03-05 16:47:35 +01:00
clk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
common.h treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
early_printk.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
ill_acc.c MIPS: ralink: add missing put_device in ill_acc_of_setup 2020-01-09 09:40:47 -08:00
irq-gic.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
irq.c remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
Kconfig clk: Allow the common clk framework to be selectable 2020-05-05 12:34:11 -07:00
Makefile treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mt7620.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
mt7621.c MIPS: ralink: drop ralink_clk_init for mt7621 2020-05-31 14:17:00 +02:00
of.c MIPS: of: Introduce helper function to get DTB 2021-02-04 13:34:51 +01:00
Platform MIPS: ralink: Don't include objects twice 2020-05-15 09:10:07 +02:00
prom.c MIPS: Remove empty prom_free_prom_memory functions 2021-01-07 17:11:33 +01:00
reset.c MIPS: ralink: manage low reset lines 2021-02-04 13:35:01 +01:00
rt288x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rt305x.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
rt3883.c treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500 2019-06-19 17:09:55 +02:00
timer-gic.c MIPS: ralink: Replace <linux/clk-provider.h> by <linux/of_clk.h> 2020-02-19 10:37:58 -08:00
timer.c MIPS: Remove dev_err() usage after platform_get_irq() 2019-08-26 11:26:04 +01:00