diff options
Diffstat (limited to 'drivers/reset')
| -rw-r--r-- | drivers/reset/Kconfig | 6 | ||||
| -rw-r--r-- | drivers/reset/reset-raspberrypi.c | 2 | ||||
| -rw-r--r-- | drivers/reset/reset-scmi.c | 33 |
3 files changed, 24 insertions, 17 deletions
diff --git a/drivers/reset/Kconfig b/drivers/reset/Kconfig index 4171c6f76385..7043c7f6dcf0 100644 --- a/drivers/reset/Kconfig +++ b/drivers/reset/Kconfig @@ -183,7 +183,7 @@ config RESET_SCMI config RESET_SIMPLE bool "Simple Reset Controller Driver" if COMPILE_TEST - default ARCH_AGILEX || ARCH_ASPEED || ARCH_BCM4908 || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || ARCH_STRATIX10 || ARCH_SUNXI || ARC + default ARCH_ASPEED || ARCH_BCM4908 || ARCH_BITMAIN || ARCH_REALTEK || ARCH_STM32 || (ARCH_INTEL_SOCFPGA && ARM64) || ARCH_SUNXI || ARC help This enables a simple reset controller driver for reset lines that that can be asserted and deasserted by toggling bits in a contiguous, @@ -205,8 +205,8 @@ config RESET_STM32MP157 This enables the RCC reset controller driver for STM32 MPUs. config RESET_SOCFPGA - bool "SoCFPGA Reset Driver" if COMPILE_TEST && !ARCH_SOCFPGA - default ARCH_SOCFPGA + bool "SoCFPGA Reset Driver" if COMPILE_TEST && (!ARM || !ARCH_INTEL_SOCFPGA) + default ARM && ARCH_INTEL_SOCFPGA select RESET_SIMPLE help This enables the reset driver for the SoCFPGA ARMv7 platforms. This diff --git a/drivers/reset/reset-raspberrypi.c b/drivers/reset/reset-raspberrypi.c index 02f59c06f69b..fa23db554bcf 100644 --- a/drivers/reset/reset-raspberrypi.c +++ b/drivers/reset/reset-raspberrypi.c @@ -82,7 +82,7 @@ static int rpi_reset_probe(struct platform_device *pdev) return -ENOENT; } - fw = rpi_firmware_get(np); + fw = devm_rpi_firmware_get(&pdev->dev, np); of_node_put(np); if (!fw) return -EPROBE_DEFER; diff --git a/drivers/reset/reset-scmi.c b/drivers/reset/reset-scmi.c index 8d3a858e3b19..4335811e0cfa 100644 --- a/drivers/reset/reset-scmi.c +++ b/drivers/reset/reset-scmi.c @@ -2,7 +2,7 @@ /* * ARM System Control and Management Interface (ARM SCMI) reset driver * - * Copyright (C) 2019 ARM Ltd. + * Copyright (C) 2019-2021 ARM Ltd. */ #include <linux/module.h> @@ -11,18 +11,20 @@ #include <linux/reset-controller.h> #include <linux/scmi_protocol.h> +static const struct scmi_reset_proto_ops *reset_ops; + /** * struct scmi_reset_data - reset controller information structure * @rcdev: reset controller entity - * @handle: ARM SCMI handle used for communication with system controller + * @ph: ARM SCMI protocol handle used for communication with system controller */ struct scmi_reset_data { struct reset_controller_dev rcdev; - const struct scmi_handle *handle; + const struct scmi_protocol_handle *ph; }; #define to_scmi_reset_data(p) container_of((p), struct scmi_reset_data, rcdev) -#define to_scmi_handle(p) (to_scmi_reset_data(p)->handle) +#define to_scmi_handle(p) (to_scmi_reset_data(p)->ph) /** * scmi_reset_assert() - assert device reset @@ -37,9 +39,9 @@ struct scmi_reset_data { static int scmi_reset_assert(struct reset_controller_dev *rcdev, unsigned long id) { - const struct scmi_handle *handle = to_scmi_handle(rcdev); + const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev); - return handle->reset_ops->assert(handle, id); + return reset_ops->assert(ph, id); } /** @@ -55,9 +57,9 @@ scmi_reset_assert(struct reset_controller_dev *rcdev, unsigned long id) static int scmi_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id) { - const struct scmi_handle *handle = to_scmi_handle(rcdev); + const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev); - return handle->reset_ops->deassert(handle, id); + return reset_ops->deassert(ph, id); } /** @@ -73,9 +75,9 @@ scmi_reset_deassert(struct reset_controller_dev *rcdev, unsigned long id) static int scmi_reset_reset(struct reset_controller_dev *rcdev, unsigned long id) { - const struct scmi_handle *handle = to_scmi_handle(rcdev); + const struct scmi_protocol_handle *ph = to_scmi_handle(rcdev); - return handle->reset_ops->reset(handle, id); + return reset_ops->reset(ph, id); } static const struct reset_control_ops scmi_reset_ops = { @@ -90,10 +92,15 @@ static int scmi_reset_probe(struct scmi_device *sdev) struct device *dev = &sdev->dev; struct device_node *np = dev->of_node; const struct scmi_handle *handle = sdev->handle; + struct scmi_protocol_handle *ph; - if (!handle || !handle->reset_ops) + if (!handle) return -ENODEV; + reset_ops = handle->devm_protocol_get(sdev, SCMI_PROTOCOL_RESET, &ph); + if (IS_ERR(reset_ops)) + return PTR_ERR(reset_ops); + data = devm_kzalloc(dev, sizeof(*data), GFP_KERNEL); if (!data) return -ENOMEM; @@ -101,8 +108,8 @@ static int scmi_reset_probe(struct scmi_device *sdev) data->rcdev.ops = &scmi_reset_ops; data->rcdev.owner = THIS_MODULE; data->rcdev.of_node = np; - data->rcdev.nr_resets = handle->reset_ops->num_domains_get(handle); - data->handle = handle; + data->rcdev.nr_resets = reset_ops->num_domains_get(ph); + data->ph = ph; return devm_reset_controller_register(dev, &data->rcdev); } |