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8 Commits

Author SHA1 Message Date
Hui Tang
3a2390c677 reset: uniphier-glue: Fix possible null-ptr-deref 
It will cause null-ptr-deref when resource_size(res) invoked,
if platform_get_resource() returns NULL.

Fixes: 499fef09a3 ("reset: uniphier: add USB3 core reset control")
Signed-off-by: Hui Tang <tanghui20@huawei.com>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20221114004958.258513-1-tanghui20@huawei.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2023-01-03 11:30:46 +01:00
Philipp Zabel
72bb7314e3 reset: uniphier-glue: Use devm_add_action_or_reset() 
Slightly simplify uniphier_glue_reset_probe() and drop
uniphier_glue_reset_remove() by using devm_add_action_or_reset()
for clock and reset cleanup.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20211215093829.3209416-2-p.zabel@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2022-05-03 17:40:51 +02:00
Philipp Zabel
176cae3871 reset: uniphier-glue: Use reset_control_bulk API 
This driver already uses the clk_bulk API. Simplify the driver by using
the reset_control_bulk API as well.

Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Reviewed-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/20211215093829.3209416-1-p.zabel@pengutronix.de
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2022-05-03 17:40:51 +02:00
Kunihiko Hayashi
3440b8fa06 reset: uniphier: Add NX1 reset support 
Add basic reset data for UniPhier NX1 SoC.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Link: https://lore.kernel.org/r/1633399842-1402-4-git-send-email-hayashi.kunihiko@socionext.com
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2021-10-05 11:57:40 +02:00
Maxime Ripard
9357b04624 reset: Move reset-simple header out of drivers/reset 
The reset-simple code can be useful for drivers outside of drivers/reset
that have a few reset controls as part of their features. Let's move it to
include/linux/reset.

Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2020-06-16 14:19:56 +02:00
Kunihiko Hayashi
8c2def0f06 reset: uniphier-glue: Add Pro5 USB3 support 
Pro5 SoC has same scheme of USB3 reset as Pro4, so the data for Pro5 is
equivalent to Pro4.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2019-10-03 19:56:51 +02:00
Kunihiko Hayashi
d0c2d2101b reset: uniphier-glue: Add AHCI reset control support in glue layer 
Add a reset line included in AHCI glue layer to enable AHCI core
implemented in UniPhier SoCs.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2019-01-07 16:38:51 +01:00
Kunihiko Hayashi
3eb8f765f5 reset: uniphier-usb3: Rename to reset-uniphier-glue 
This driver works for controlling the reset lines including USB3
glue layer, however, this can be applied to other glue layers.
Now this patch renames the driver from "reset-uniphier-usb3" to
"reset-uniphier-glue".

At the same time, this changes CONFIG_RESET_UNIPHIER_USB3 to
CONFIG_RESET_UNIPHIER_GLUE.

Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
 2019-01-07 16:38:51 +01:00