diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c index 70ad0f3dce283..286f5d57c0cab 100644 --- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c +++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c @@ -684,13 +684,14 @@ static int brcmstb_pm_probe(struct platform_device *pdev) const struct of_device_id *of_id = NULL; struct device_node *dn; void __iomem *base; - int ret, i; + int ret, i, s; /* AON ctrl registers */ base = brcmstb_ioremap_match(aon_ctrl_dt_ids, 0, NULL); if (IS_ERR(base)) { pr_err("error mapping AON_CTRL\n"); - return PTR_ERR(base); + ret = PTR_ERR(base); + goto aon_err; } ctrl.aon_ctrl_base = base; @@ -700,8 +701,10 @@ static int brcmstb_pm_probe(struct platform_device *pdev) /* Assume standard offset */ ctrl.aon_sram = ctrl.aon_ctrl_base + AON_CTRL_SYSTEM_DATA_RAM_OFS; + s = 0; } else { ctrl.aon_sram = base; + s = 1; } writel_relaxed(0, ctrl.aon_sram + AON_REG_PANIC); @@ -711,7 +714,8 @@ static int brcmstb_pm_probe(struct platform_device *pdev) (const void **)&ddr_phy_data); if (IS_ERR(base)) { pr_err("error mapping DDR PHY\n"); - return PTR_ERR(base); + ret = PTR_ERR(base); + goto ddr_phy_err; } ctrl.support_warm_boot = ddr_phy_data->supports_warm_boot; ctrl.pll_status_offset = ddr_phy_data->pll_status_offset; @@ -731,17 +735,20 @@ static int brcmstb_pm_probe(struct platform_device *pdev) for_each_matching_node(dn, ddr_shimphy_dt_ids) { i = ctrl.num_memc; if (i >= MAX_NUM_MEMC) { + of_node_put(dn); pr_warn("too many MEMCs (max %d)\n", MAX_NUM_MEMC); break; } base = of_io_request_and_map(dn, 0, dn->full_name); if (IS_ERR(base)) { + of_node_put(dn); if (!ctrl.support_warm_boot) break; pr_err("error mapping DDR SHIMPHY %d\n", i); - return PTR_ERR(base); + ret = PTR_ERR(base); + goto ddr_shimphy_err; } ctrl.memcs[i].ddr_shimphy_base = base; ctrl.num_memc++; @@ -752,14 +759,18 @@ static int brcmstb_pm_probe(struct platform_device *pdev) for_each_matching_node(dn, brcmstb_memc_of_match) { base = of_iomap(dn, 0); if (!base) { + of_node_put(dn); pr_err("error mapping DDR Sequencer %d\n", i); - return -ENOMEM; + ret = -ENOMEM; + goto brcmstb_memc_err; } of_id = of_match_node(brcmstb_memc_of_match, dn); if (!of_id) { iounmap(base); - return -EINVAL; + of_node_put(dn); + ret = -EINVAL; + goto brcmstb_memc_err; } ddr_seq_data = of_id->data; @@ -779,21 +790,24 @@ static int brcmstb_pm_probe(struct platform_device *pdev) dn = of_find_matching_node(NULL, sram_dt_ids); if (!dn) { pr_err("SRAM not found\n"); - return -EINVAL; + ret = -EINVAL; + goto brcmstb_memc_err; } ret = brcmstb_init_sram(dn); of_node_put(dn); if (ret) { pr_err("error setting up SRAM for PM\n"); - return ret; + goto brcmstb_memc_err; } ctrl.pdev = pdev; ctrl.s3_params = kmalloc(sizeof(*ctrl.s3_params), GFP_KERNEL); - if (!ctrl.s3_params) - return -ENOMEM; + if (!ctrl.s3_params) { + ret = -ENOMEM; + goto s3_params_err; + } ctrl.s3_params_pa = dma_map_single(&pdev->dev, ctrl.s3_params, sizeof(*ctrl.s3_params), DMA_TO_DEVICE); @@ -813,7 +827,21 @@ static int brcmstb_pm_probe(struct platform_device *pdev) out: kfree(ctrl.s3_params); - +s3_params_err: + iounmap(ctrl.boot_sram); +brcmstb_memc_err: + for (i--; i >= 0; i--) + iounmap(ctrl.memcs[i].ddr_ctrl); +ddr_shimphy_err: + for (i = 0; i < ctrl.num_memc; i++) + iounmap(ctrl.memcs[i].ddr_shimphy_base); + + iounmap(ctrl.memcs[0].ddr_phy_base); +ddr_phy_err: + iounmap(ctrl.aon_ctrl_base); + if (s) + iounmap(ctrl.aon_sram); +aon_err: pr_warn("PM: initialization failed with code %d\n", ret); return ret;