diff options
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/mtk,scp.txt | 8 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt | 12 | ||||
-rw-r--r-- | Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt | 1 | ||||
-rw-r--r-- | drivers/remoteproc/Kconfig | 25 | ||||
-rw-r--r-- | drivers/remoteproc/ingenic_rproc.c | 7 | ||||
-rw-r--r-- | drivers/remoteproc/mtk_common.h | 7 | ||||
-rw-r--r-- | drivers/remoteproc/mtk_scp.c | 82 | ||||
-rw-r--r-- | drivers/remoteproc/qcom_q6v5_pas.c | 63 | ||||
-rw-r--r-- | drivers/remoteproc/qcom_wcnss.c | 2 | ||||
-rw-r--r-- | drivers/remoteproc/qcom_wcnss_iris.c | 1 | ||||
-rw-r--r-- | drivers/remoteproc/remoteproc_core.c | 2 | ||||
-rw-r--r-- | drivers/remoteproc/stm32_rproc.c | 23 |
12 files changed, 198 insertions, 35 deletions
diff --git a/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt b/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt index 3ba668bab14b..3f5f78764b60 100644 --- a/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt +++ b/Documentation/devicetree/bindings/remoteproc/mtk,scp.txt @@ -6,10 +6,10 @@ Mediatek SoCs. Required properties: - compatible Should be "mediatek,mt8183-scp" -- reg Should contain the address ranges for the two memory - regions, SRAM and CFG. -- reg-names Contains the corresponding names for the two memory - regions. These should be named "sram" & "cfg". +- reg Should contain the address ranges for memory regions: + SRAM, CFG, and L1TCM. +- reg-names Contains the corresponding names for the memory regions: + "sram", "cfg", and "l1tcm". - clocks Clock for co-processor (See: ../clock/clock-bindings.txt) - clock-names Contains the corresponding name for the clock. This should be named "main". diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt index 54737024da20..1c330a8941f9 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt +++ b/Documentation/devicetree/bindings/remoteproc/qcom,adsp.txt @@ -25,6 +25,10 @@ on the Qualcomm ADSP Hexagon core. "qcom,sm8250-adsp-pas" "qcom,sm8250-cdsp-pas" "qcom,sm8250-slpi-pas" + "qcom,sm8350-adsp-pas" + "qcom,sm8350-cdsp-pas" + "qcom,sm8350-slpi-pas" + "qcom,sm8350-mpss-pas" - interrupts-extended: Usage: required @@ -51,10 +55,14 @@ on the Qualcomm ADSP Hexagon core. qcom,sm8250-adsp-pas: qcom,sm8250-cdsp-pas: qcom,sm8250-slpi-pas: + qcom,sm8350-adsp-pas: + qcom,sm8350-cdsp-pas: + qcom,sm8350-slpi-pas: must be "wdog", "fatal", "ready", "handover", "stop-ack" qcom,qcs404-wcss-pas: qcom,sc7180-mpss-pas: qcom,sm8150-mpss-pas: + qcom,sm8350-mpss-pas: must be "wdog", "fatal", "ready", "handover", "stop-ack", "shutdown-ack" @@ -114,13 +122,17 @@ on the Qualcomm ADSP Hexagon core. qcom,sm8150-adsp-pas: qcom,sm8150-cdsp-pas: qcom,sm8250-cdsp-pas: + qcom,sm8350-cdsp-pas: must be "cx", "load_state" qcom,sc7180-mpss-pas: qcom,sm8150-mpss-pas: + qcom,sm8350-mpss-pas: must be "cx", "load_state", "mss" qcom,sm8250-adsp-pas: + qcom,sm8350-adsp-pas: qcom,sm8150-slpi-pas: qcom,sm8250-slpi-pas: + qcom,sm8350-slpi-pas: must be "lcx", "lmx", "load_state" - memory-region: diff --git a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt index cc0b7fc1c29b..da09c0d79ac0 100644 --- a/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt +++ b/Documentation/devicetree/bindings/remoteproc/qcom,wcnss-pil.txt @@ -80,6 +80,7 @@ and its resource dependencies. It is described by the following properties: Definition: must be one of: "qcom,wcn3620", "qcom,wcn3660", + "qcom,wcn3660b", "qcom,wcn3680" - clocks: diff --git a/drivers/remoteproc/Kconfig b/drivers/remoteproc/Kconfig index 9e7efe542f69..15d1574d129b 100644 --- a/drivers/remoteproc/Kconfig +++ b/drivers/remoteproc/Kconfig @@ -155,6 +155,7 @@ config QCOM_Q6V5_ADSP depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_PIL_INFO select QCOM_MDT_LOADER @@ -162,7 +163,9 @@ config QCOM_Q6V5_ADSP select QCOM_RPROC_COMMON help Say y here to support the Peripheral Image Loader - for the Qualcomm Technology Inc. ADSP remote processors. + for the non-TrustZone part of Qualcomm Technology Inc. ADSP and CDSP + remote processors. The TrustZone part is handled by QCOM_Q6V5_PAS + driver. config QCOM_Q6V5_MSS tristate "Qualcomm Hexagon V5 self-authenticating modem subsystem support" @@ -171,6 +174,7 @@ config QCOM_Q6V5_MSS depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_PIL_INFO @@ -179,7 +183,8 @@ config QCOM_Q6V5_MSS select QCOM_SCM help Say y here to support the Qualcomm self-authenticating modem - subsystem based on Hexagon V5. + subsystem based on Hexagon V5. The TrustZone based system is + handled by QCOM_Q6V5_PAS driver. config QCOM_Q6V5_PAS tristate "Qualcomm Hexagon v5 Peripheral Authentication Service support" @@ -188,6 +193,7 @@ config QCOM_Q6V5_PAS depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_PIL_INFO select QCOM_MDT_LOADER @@ -197,7 +203,9 @@ config QCOM_Q6V5_PAS help Say y here to support the TrustZone based Peripheral Image Loader for the Qualcomm Hexagon v5 based remote processors. This is commonly - used to control subsystems such as ADSP, Compute and Sensor. + used to control subsystems such as ADSP (Audio DSP), + CDSP (Compute DSP), MPSS (Modem Peripheral SubSystem), and + SLPI (Sensor Low Power Island). config QCOM_Q6V5_WCSS tristate "Qualcomm Hexagon based WCSS Peripheral Image Loader" @@ -206,6 +214,7 @@ config QCOM_Q6V5_WCSS depends on RPMSG_QCOM_SMD || (COMPILE_TEST && RPMSG_QCOM_SMD=n) depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select MFD_SYSCON select QCOM_MDT_LOADER select QCOM_PIL_INFO @@ -214,7 +223,8 @@ config QCOM_Q6V5_WCSS select QCOM_SCM help Say y here to support the Qualcomm Peripheral Image Loader for the - Hexagon V5 based WCSS remote processors. + Hexagon V5 based WCSS remote processors on e.g. IPQ8074. This is + a non-TrustZone wireless subsystem. config QCOM_SYSMON tristate "Qualcomm sysmon driver" @@ -238,13 +248,16 @@ config QCOM_WCNSS_PIL depends on RPMSG_QCOM_GLINK_SMEM || RPMSG_QCOM_GLINK_SMEM=n depends on QCOM_SMEM depends on QCOM_SYSMON || QCOM_SYSMON=n + depends on RPMSG_QCOM_GLINK || RPMSG_QCOM_GLINK=n select QCOM_MDT_LOADER select QCOM_PIL_INFO select QCOM_RPROC_COMMON select QCOM_SCM help - Say y here to support the Peripheral Image Loader for the Qualcomm - Wireless Connectivity Subsystem. + Say y here to support the Peripheral Image Loader for loading WCNSS + firmware and boot the core on e.g. MSM8974, MSM8916. The firmware is + verified and booted with the help of the Peripheral Authentication + System (PAS) in TrustZone. config ST_REMOTEPROC tristate "ST remoteproc support" diff --git a/drivers/remoteproc/ingenic_rproc.c b/drivers/remoteproc/ingenic_rproc.c index 26e19e6143b7..e2618c36eaab 100644 --- a/drivers/remoteproc/ingenic_rproc.c +++ b/drivers/remoteproc/ingenic_rproc.c @@ -27,6 +27,11 @@ #define AUX_CTRL_NMI BIT(1) #define AUX_CTRL_SW_RESET BIT(0) +static bool auto_boot; +module_param(auto_boot, bool, 0400); +MODULE_PARM_DESC(auto_boot, + "Auto-boot the remote processor [default=false]"); + struct vpu_mem_map { const char *name; unsigned int da; @@ -172,6 +177,8 @@ static int ingenic_rproc_probe(struct platform_device *pdev) if (!rproc) return -ENOMEM; + rproc->auto_boot = auto_boot; + vpu = rproc->priv; vpu->dev = &pdev->dev; platform_set_drvdata(pdev, vpu); diff --git a/drivers/remoteproc/mtk_common.h b/drivers/remoteproc/mtk_common.h index 988edb4977c3..61901f5efa05 100644 --- a/drivers/remoteproc/mtk_common.h +++ b/drivers/remoteproc/mtk_common.h @@ -47,6 +47,8 @@ #define MT8192_CORE0_SW_RSTN_CLR 0x10000 #define MT8192_CORE0_SW_RSTN_SET 0x10004 +#define MT8192_CORE0_MEM_ATT_PREDEF 0x10008 +#define MT8192_CORE0_WDT_IRQ 0x10030 #define MT8192_CORE0_WDT_CFG 0x10034 #define SCP_FW_VER_LEN 32 @@ -75,6 +77,7 @@ struct mtk_scp_of_data { void (*scp_reset_assert)(struct mtk_scp *scp); void (*scp_reset_deassert)(struct mtk_scp *scp); void (*scp_stop)(struct mtk_scp *scp); + void *(*scp_da_to_va)(struct mtk_scp *scp, u64 da, size_t len); u32 host_to_scp_reg; u32 host_to_scp_int_bit; @@ -89,6 +92,10 @@ struct mtk_scp { void __iomem *reg_base; void __iomem *sram_base; size_t sram_size; + phys_addr_t sram_phys; + void __iomem *l1tcm_base; + size_t l1tcm_size; + phys_addr_t l1tcm_phys; const struct mtk_scp_of_data *data; diff --git a/drivers/remoteproc/mtk_scp.c b/drivers/remoteproc/mtk_scp.c index e0c235690361..ce727598c41c 100644 --- a/drivers/remoteproc/mtk_scp.c +++ b/drivers/remoteproc/mtk_scp.c @@ -197,17 +197,19 @@ static void mt8192_scp_irq_handler(struct mtk_scp *scp) scp_to_host = readl(scp->reg_base + MT8192_SCP2APMCU_IPC_SET); - if (scp_to_host & MT8192_SCP_IPC_INT_BIT) + if (scp_to_host & MT8192_SCP_IPC_INT_BIT) { scp_ipi_handler(scp); - else - scp_wdt_handler(scp, scp_to_host); - /* - * SCP won't send another interrupt until we clear - * MT8192_SCP2APMCU_IPC. - */ - writel(MT8192_SCP_IPC_INT_BIT, - scp->reg_base + MT8192_SCP2APMCU_IPC_CLR); + /* + * SCP won't send another interrupt until we clear + * MT8192_SCP2APMCU_IPC. + */ + writel(MT8192_SCP_IPC_INT_BIT, + scp->reg_base + MT8192_SCP2APMCU_IPC_CLR); + } else { + scp_wdt_handler(scp, scp_to_host); + writel(1, scp->reg_base + MT8192_CORE0_WDT_IRQ); + } } static irqreturn_t scp_irq_handler(int irq, void *priv) @@ -369,6 +371,9 @@ static int mt8192_scp_before_load(struct mtk_scp *scp) mt8192_power_on_sram(scp->reg_base + MT8192_L1TCM_SRAM_PDN); mt8192_power_on_sram(scp->reg_base + MT8192_CPU0_SRAM_PD); + /* enable MPU for all memory regions */ + writel(0xff, scp->reg_base + MT8192_CORE0_MEM_ATT_PREDEF); + return 0; } @@ -458,9 +463,8 @@ stop: return ret; } -static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len) +static void *mt8183_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) { - struct mtk_scp *scp = (struct mtk_scp *)rproc->priv; int offset; if (da < scp->sram_size) { @@ -476,6 +480,42 @@ static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len) return NULL; } +static void *mt8192_scp_da_to_va(struct mtk_scp *scp, u64 da, size_t len) +{ + int offset; + + if (da >= scp->sram_phys && + (da + len) <= scp->sram_phys + scp->sram_size) { + offset = da - scp->sram_phys; + return (void __force *)scp->sram_base + offset; + } + + /* optional memory region */ + if (scp->l1tcm_size && + da >= scp->l1tcm_phys && + (da + len) <= scp->l1tcm_phys + scp->l1tcm_size) { + offset = da - scp->l1tcm_phys; + return (void __force *)scp->l1tcm_base + offset; + } + + /* optional memory region */ + if (scp->dram_size && + da >= scp->dma_addr && + (da + len) <= scp->dma_addr + scp->dram_size) { + offset = da - scp->dma_addr; + return scp->cpu_addr + offset; + } + + return NULL; +} + +static void *scp_da_to_va(struct rproc *rproc, u64 da, size_t len) +{ + struct mtk_scp *scp = (struct mtk_scp *)rproc->priv; + + return scp->data->scp_da_to_va(scp, da, len); +} + static void mt8183_scp_stop(struct mtk_scp *scp) { /* Disable SCP watchdog */ @@ -714,13 +754,27 @@ static int scp_probe(struct platform_device *pdev) goto free_rproc; } scp->sram_size = resource_size(res); + scp->sram_phys = res->start; + + /* l1tcm is an optional memory region */ + res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "l1tcm"); + scp->l1tcm_base = devm_ioremap_resource(dev, res); + if (IS_ERR((__force void *)scp->l1tcm_base)) { + ret = PTR_ERR((__force void *)scp->l1tcm_base); + if (ret != -EINVAL) { + dev_err(dev, "Failed to map l1tcm memory\n"); + goto free_rproc; + } + } else { + scp->l1tcm_size = resource_size(res); + scp->l1tcm_phys = res->start; + } mutex_init(&scp->send_lock); for (i = 0; i < SCP_IPI_MAX; i++) mutex_init(&scp->ipi_desc[i].lock); - res = platform_get_resource_byname(pdev, IORESOURCE_MEM, "cfg"); - scp->reg_base = devm_ioremap_resource(dev, res); + scp->reg_base = devm_platform_ioremap_resource_byname(pdev, "cfg"); if (IS_ERR((__force void *)scp->reg_base)) { dev_err(dev, "Failed to parse and map cfg memory\n"); ret = PTR_ERR((__force void *)scp->reg_base); @@ -803,6 +857,7 @@ static const struct mtk_scp_of_data mt8183_of_data = { .scp_reset_assert = mt8183_scp_reset_assert, .scp_reset_deassert = mt8183_scp_reset_deassert, .scp_stop = mt8183_scp_stop, + .scp_da_to_va = mt8183_scp_da_to_va, .host_to_scp_reg = MT8183_HOST_TO_SCP, .host_to_scp_int_bit = MT8183_HOST_IPC_INT_BIT, .ipi_buf_offset = 0x7bdb0, @@ -814,6 +869,7 @@ static const struct mtk_scp_of_data mt8192_of_data = { .scp_reset_assert = mt8192_scp_reset_assert, .scp_reset_deassert = mt8192_scp_reset_deassert, .scp_stop = mt8192_scp_stop, + .scp_da_to_va = mt8192_scp_da_to_va, .host_to_scp_reg = MT8192_GIPC_IN_SET, .host_to_scp_int_bit = MT8192_HOST_IPC_INT_BIT, }; diff --git a/drivers/remoteproc/qcom_q6v5_pas.c b/drivers/remoteproc/qcom_q6v5_pas.c index ee586226e438..e635454d6170 100644 --- a/drivers/remoteproc/qcom_q6v5_pas.c +++ b/drivers/remoteproc/qcom_q6v5_pas.c @@ -565,6 +565,26 @@ static const struct adsp_data sm8250_adsp_resource = { .ssctl_id = 0x14, }; +static const struct adsp_data sm8350_adsp_resource = { + .crash_reason_smem = 423, + .firmware_name = "adsp.mdt", + .pas_id = 1, + .has_aggre2_clk = false, + .auto_boot = true, + .active_pd_names = (char*[]){ + "load_state", + NULL + }, + .proxy_pd_names = (char*[]){ + "lcx", + "lmx", + NULL + }, + .ssr_name = "lpass", + .sysmon_name = "adsp", + .ssctl_id = 0x14, +}; + static const struct adsp_data msm8998_adsp_resource = { .crash_reason_smem = 423, .firmware_name = "adsp.mdt", @@ -629,6 +649,25 @@ static const struct adsp_data sm8250_cdsp_resource = { .ssctl_id = 0x17, }; +static const struct adsp_data sm8350_cdsp_resource = { + .crash_reason_smem = 601, + .firmware_name = "cdsp.mdt", + .pas_id = 18, + .has_aggre2_clk = false, + .auto_boot = true, + .active_pd_names = (char*[]){ + "load_state", + NULL + }, + .proxy_pd_names = (char*[]){ + "cx", + NULL + }, + .ssr_name = "cdsp", + .sysmon_name = "cdsp", + .ssctl_id = 0x17, +}; + static const struct adsp_data mpss_resource_init = { .crash_reason_smem = 421, .firmware_name = "modem.mdt", @@ -701,6 +740,26 @@ static const struct adsp_data sm8250_slpi_resource = { .ssctl_id = 0x16, }; +static const struct adsp_data sm8350_slpi_resource = { + .crash_reason_smem = 424, + .firmware_name = "slpi.mdt", + .pas_id = 12, + .has_aggre2_clk = false, + .auto_boot = true, + .active_pd_names = (char*[]){ + "load_state", + NULL + }, + .proxy_pd_names = (char*[]){ + "lcx", + "lmx", + NULL + }, + .ssr_name = "dsps", + .sysmon_name = "slpi", + .ssctl_id = 0x16, +}; + static const struct adsp_data msm8998_slpi_resource = { .crash_reason_smem = 424, .firmware_name = "slpi.mdt", @@ -745,6 +804,10 @@ static const struct of_device_id adsp_of_match[] = { { .compatible = "qcom,sm8250-adsp-pas", .data = &sm8250_adsp_resource}, { .compatible = "qcom,sm8250-cdsp-pas", .data = &sm8250_cdsp_resource}, { .compatible = "qcom,sm8250-slpi-pas", .data = &sm8250_slpi_resource}, + { .compatible = "qcom,sm8350-adsp-pas", .data = &sm8350_adsp_resource}, + { .compatible = "qcom,sm8350-cdsp-pas", .data = &sm8350_cdsp_resource}, + { .compatible = "qcom,sm8350-slpi-pas", .data = &sm8350_slpi_resource}, + { .compatible = "qcom,sm8350-mpss-pas", .data = &mpss_resource_init}, { }, }; MODULE_DEVICE_TABLE(of, adsp_of_match); diff --git a/drivers/remoteproc/qcom_wcnss.c b/drivers/remoteproc/qcom_wcnss.c index f95854255c70..2a6a23cb14ca 100644 --- a/drivers/remoteproc/qcom_wcnss.c +++ b/drivers/remoteproc/qcom_wcnss.c @@ -570,7 +570,7 @@ static int wcnss_probe(struct platform_device *pdev) if (IS_ERR(mmio)) { ret = PTR_ERR(mmio); goto free_rproc; - }; + } ret = wcnss_alloc_memory_region(wcnss); if (ret) diff --git a/drivers/remoteproc/qcom_wcnss_iris.c b/drivers/remoteproc/qcom_wcnss_iris.c index 0e0ae1e764ea..169acd305ae3 100644 --- a/drivers/remoteproc/qcom_wcnss_iris.c +++ b/drivers/remoteproc/qcom_wcnss_iris.c @@ -160,6 +160,7 @@ static int qcom_iris_remove(struct platform_device *pdev) static const struct of_device_id iris_of_match[] = { { .compatible = "qcom,wcn3620", .data = &wcn3620_data }, { .compatible = "qcom,wcn3660", .data = &wcn3660_data }, + { .compatible = "qcom,wcn3660b", .data = &wcn3680_data }, { .compatible = "qcom,wcn3680", .data = &wcn3680_data }, {} }; diff --git a/drivers/remoteproc/remoteproc_core.c b/drivers/remoteproc/remoteproc_core.c index 2394eef383e3..ab150765d124 100644 --- a/drivers/remoteproc/remoteproc_core.c +++ b/drivers/remoteproc/remoteproc_core.c @@ -1988,7 +1988,7 @@ int rproc_set_firmware(struct rproc *rproc, const char *fw_name) goto out; } - kfree(rproc->firmware); + kfree_const(rproc->firmware); rproc->firmware = p; out: diff --git a/drivers/remoteproc/stm32_rproc.c b/drivers/remoteproc/stm32_rproc.c index a180aeae9675..ccb3c14a0023 100644 --- a/drivers/remoteproc/stm32_rproc.c +++ b/drivers/remoteproc/stm32_rproc.c @@ -370,8 +370,13 @@ static int stm32_rproc_request_mbox(struct rproc *rproc) ddata->mb[i].chan = mbox_request_channel_byname(cl, name); if (IS_ERR(ddata->mb[i].chan)) { - if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER) + if (PTR_ERR(ddata->mb[i].chan) == -EPROBE_DEFER) { + dev_err_probe(dev->parent, + PTR_ERR(ddata->mb[i].chan), + "failed to request mailbox %s\n", + name); goto err_probe; + } dev_warn(dev, "cannot get %s mbox\n", name); ddata->mb[i].chan = NULL; } @@ -592,15 +597,14 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev, irq = platform_get_irq(pdev, 0); if (irq == -EPROBE_DEFER) - return -EPROBE_DEFER; + return dev_err_probe(dev, irq, "failed to get interrupt\n"); if (irq > 0) { err = devm_request_irq(dev, irq, stm32_rproc_wdg, 0, dev_name(dev), pdev); - if (err) { - dev_err(dev, "failed to request wdg irq\n"); - return err; - } + if (err) + return dev_err_probe(dev, err, + "failed to request wdg irq\n"); ddata->wdg_irq = irq; @@ -613,10 +617,9 @@ static int stm32_rproc_parse_dt(struct platform_device *pdev, } ddata->rst = devm_reset_control_get_by_index(dev, 0); - if (IS_ERR(ddata->rst)) { - dev_err(dev, "failed to get mcu reset\n"); - return PTR_ERR(ddata->rst); - } + if (IS_ERR(ddata->rst)) + return dev_err_probe(dev, PTR_ERR(ddata->rst), + "failed to get mcu_reset\n"); /* * if platform is secured the hold boot bit must be written by |