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authorLinus Torvalds <torvalds@linux-foundation.org>2019-07-19 17:13:56 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2019-07-19 17:13:56 -0700
commit8362fd64f07eaef7155c94fca8dee91c4f99a666 (patch)
tree2d16af7d7b8cbb5765727493f796d453580fc107 /drivers/reset
parentMerge tag 'armsoc-soc' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc (diff)
parentMerge tag 'reset-for-v5.3' of git://git.pengutronix.de/git/pza/linux into arm/drivers (diff)
downloadlinux-dev-8362fd64f07eaef7155c94fca8dee91c4f99a666.tar.xz
linux-dev-8362fd64f07eaef7155c94fca8dee91c4f99a666.zip
Merge tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
Pull ARM SoC-related driver updates from Olof Johansson: "Various driver updates for platforms and a couple of the small driver subsystems we merge through our tree: - A driver for SCU (system control) on NXP i.MX8QXP - Qualcomm Always-on Subsystem messaging driver (AOSS QMP) - Qualcomm PM support for MSM8998 - Support for a newer version of DRAM PHY driver for Broadcom (DPFE) - Reset controller support for Bitmain BM1880 - TI SCI (System Control Interface) support for CPU control on AM654 processors - More TI sysc refactoring and rework" * tag 'armsoc-drivers' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc: (84 commits) reset: remove redundant null check on pointer dev soc: rockchip: work around clang warning dt-bindings: reset: imx7: Fix the spelling of 'indices' soc: imx: Add i.MX8MN SoC driver support soc: aspeed: lpc-ctrl: Fix probe error handling soc: qcom: geni: Add support for ACPI firmware: ti_sci: Fix gcc unused-but-set-variable warning firmware: ti_sci: Use the correct style for SPDX License Identifier soc: imx8: Use existing of_root directly soc: imx8: Fix potential kernel dump in error path firmware/psci: psci_checker: Park kthreads before stopping them memory: move jedec_ddr.h from include/memory to drivers/memory/ memory: move jedec_ddr_data.c from lib/ to drivers/memory/ MAINTAINERS: Remove myself as qcom maintainer soc: aspeed: lpc-ctrl: make parameter optional soc: qcom: apr: Don't use reg for domain id soc: qcom: fix QCOM_AOSS_QMP dependency and build errors memory: tegra: Fix -Wunused-const-variable firmware: tegra: Early resume BPMP soc/tegra: Select pinctrl for Tegra194 ...
Diffstat (limited to 'drivers/reset')
-rw-r--r--drivers/reset/Kconfig3
-rw-r--r--drivers/reset/core.c3
-rw-r--r--drivers/reset/reset-simple.c2
3 files changed, 4 insertions, 4 deletions
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig
index d506d32385fc..21efb7d39d62 100644
--- a/drivers/reset/Kconfig
+++ b/drivers/reset/Kconfig
@@ -118,7 +118,7 @@ config RESET_QCOM_PDC
config RESET_SIMPLE
bool "Simple Reset Controller Driver" if COMPILE_TEST
- default ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARCH_ASPEED
+ default ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARCH_ZX || ARCH_ASPEED || ARCH_BITMAIN
help
This enables a simple reset controller driver for reset lines that
that can be asserted and deasserted by toggling bits in a contiguous,
@@ -130,6 +130,7 @@ config RESET_SIMPLE
- RCC reset controller in STM32 MCUs
- Allwinner SoCs
- ZTE's zx2967 family
+ - Bitmain BM1880 SoC
config RESET_STM32MP157
bool "STM32MP157 Reset Driver" if COMPILE_TEST
diff --git a/drivers/reset/core.c b/drivers/reset/core.c
index 21b9bd5692e1..213ff40dda11 100644
--- a/drivers/reset/core.c
+++ b/drivers/reset/core.c
@@ -690,9 +690,6 @@ __reset_control_get_from_lookup(struct device *dev, const char *con_id,
const char *dev_id = dev_name(dev);
struct reset_control *rstc = NULL;
- if (!dev)
- return ERR_PTR(-EINVAL);
-
mutex_lock(&reset_lookup_mutex);
list_for_each_entry(lookup, &reset_lookup_list, list) {
diff --git a/drivers/reset/reset-simple.c b/drivers/reset/reset-simple.c
index 7e48b9c05ecd..1154f7b1f4dd 100644
--- a/drivers/reset/reset-simple.c
+++ b/drivers/reset/reset-simple.c
@@ -125,6 +125,8 @@ static const struct of_device_id reset_simple_dt_ids[] = {
.data = &reset_simple_active_low },
{ .compatible = "aspeed,ast2400-lpc-reset" },
{ .compatible = "aspeed,ast2500-lpc-reset" },
+ { .compatible = "bitmain,bm1880-reset",
+ .data = &reset_simple_active_low },
{ /* sentinel */ },
};