diff options
author | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:14:13 +0300 |
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committer | Jakub Kicinski <kuba@kernel.org> | 2024-03-22 02:15:08 +0300 |
commit | 537c2e91d3549e5d6020bb0576cf9b54a845255f (patch) | |
tree | c09e8a1b7d733cde19b0c72678c28fb2bc97ff6b /drivers/usb/dwc3/dwc3-qcom.c | |
parent | 237bb5f7f7f55ec5f773469a974c61a49c298625 (diff) | |
parent | cba9ffdb9913dfe6be29f049ce920ce451ce7cc4 (diff) | |
download | linux-537c2e91d3549e5d6020bb0576cf9b54a845255f.tar.xz |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Cross-merge networking fixes after downstream PR.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/usb/dwc3/dwc3-qcom.c')
-rw-r--r-- | drivers/usb/dwc3/dwc3-qcom.c | 276 |
1 files changed, 12 insertions, 264 deletions
diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index dbd6a5b2b289..f6b2fab49d5e 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -4,7 +4,6 @@ * Inspired by dwc3-of-simple.c */ -#include <linux/acpi.h> #include <linux/io.h> #include <linux/of.h> #include <linux/clk.h> @@ -53,22 +52,10 @@ #define APPS_USB_AVG_BW 0 #define APPS_USB_PEAK_BW MBps_to_icc(40) -struct dwc3_acpi_pdata { - u32 qscratch_base_offset; - u32 qscratch_base_size; - u32 dwc3_core_base_size; - int qusb2_phy_irq_index; - int dp_hs_phy_irq_index; - int dm_hs_phy_irq_index; - int ss_phy_irq_index; - bool is_urs; -}; - struct dwc3_qcom { struct device *dev; void __iomem *qscratch_base; struct platform_device *dwc3; - struct platform_device *urs_usb; struct clk **clks; int num_clocks; struct reset_control *resets; @@ -84,8 +71,6 @@ struct dwc3_qcom { struct notifier_block vbus_nb; struct notifier_block host_nb; - const struct dwc3_acpi_pdata *acpi_pdata; - enum usb_dr_mode mode; bool is_suspended; bool pm_suspended; @@ -248,9 +233,6 @@ static int dwc3_qcom_interconnect_init(struct dwc3_qcom *qcom) struct device *dev = qcom->dev; int ret; - if (has_acpi_companion(dev)) - return 0; - qcom->icc_path_ddr = of_icc_get(dev, "usb-ddr"); if (IS_ERR(qcom->icc_path_ddr)) { return dev_err_probe(dev, PTR_ERR(qcom->icc_path_ddr), @@ -519,31 +501,13 @@ static void dwc3_qcom_select_utmi_clk(struct dwc3_qcom *qcom) PIPE_UTMI_CLK_DIS); } -static int dwc3_qcom_get_irq(struct platform_device *pdev, - const char *name, int num) -{ - struct dwc3_qcom *qcom = platform_get_drvdata(pdev); - struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : pdev; - struct device_node *np = pdev->dev.of_node; - int ret; - - if (np) - ret = platform_get_irq_byname_optional(pdev_irq, name); - else - ret = platform_get_irq_optional(pdev_irq, num); - - return ret; -} - static int dwc3_qcom_setup_irq(struct platform_device *pdev) { struct dwc3_qcom *qcom = platform_get_drvdata(pdev); - const struct dwc3_acpi_pdata *pdata = qcom->acpi_pdata; int irq; int ret; - irq = dwc3_qcom_get_irq(pdev, "qusb2_phy", - pdata ? pdata->qusb2_phy_irq_index : -1); + irq = platform_get_irq_byname_optional(pdev, "qusb2_phy"); if (irq > 0) { /* Keep wakeup interrupts disabled until suspend */ ret = devm_request_threaded_irq(qcom->dev, irq, NULL, @@ -557,8 +521,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev) qcom->qusb2_phy_irq = irq; } - irq = dwc3_qcom_get_irq(pdev, "dp_hs_phy_irq", - pdata ? pdata->dp_hs_phy_irq_index : -1); + irq = platform_get_irq_byname_optional(pdev, "dp_hs_phy_irq"); if (irq > 0) { ret = devm_request_threaded_irq(qcom->dev, irq, NULL, qcom_dwc3_resume_irq, @@ -571,8 +534,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev) qcom->dp_hs_phy_irq = irq; } - irq = dwc3_qcom_get_irq(pdev, "dm_hs_phy_irq", - pdata ? pdata->dm_hs_phy_irq_index : -1); + irq = platform_get_irq_byname_optional(pdev, "dm_hs_phy_irq"); if (irq > 0) { ret = devm_request_threaded_irq(qcom->dev, irq, NULL, qcom_dwc3_resume_irq, @@ -585,8 +547,7 @@ static int dwc3_qcom_setup_irq(struct platform_device *pdev) qcom->dm_hs_phy_irq = irq; } - irq = dwc3_qcom_get_irq(pdev, "ss_phy_irq", - pdata ? pdata->ss_phy_irq_index : -1); + irq = platform_get_irq_byname_optional(pdev, "ss_phy_irq"); if (irq > 0) { ret = devm_request_threaded_irq(qcom->dev, irq, NULL, qcom_dwc3_resume_irq, @@ -649,88 +610,6 @@ static int dwc3_qcom_clk_init(struct dwc3_qcom *qcom, int count) return 0; } -static const struct property_entry dwc3_qcom_acpi_properties[] = { - PROPERTY_ENTRY_STRING("dr_mode", "host"), - {} -}; - -static const struct software_node dwc3_qcom_swnode = { - .properties = dwc3_qcom_acpi_properties, -}; - -static int dwc3_qcom_acpi_register_core(struct platform_device *pdev) -{ - struct dwc3_qcom *qcom = platform_get_drvdata(pdev); - struct device *dev = &pdev->dev; - struct resource *res, *child_res = NULL; - struct platform_device *pdev_irq = qcom->urs_usb ? qcom->urs_usb : - pdev; - int irq; - int ret; - - qcom->dwc3 = platform_device_alloc("dwc3", PLATFORM_DEVID_AUTO); - if (!qcom->dwc3) - return -ENOMEM; - - qcom->dwc3->dev.parent = dev; - qcom->dwc3->dev.type = dev->type; - qcom->dwc3->dev.dma_mask = dev->dma_mask; - qcom->dwc3->dev.dma_parms = dev->dma_parms; - qcom->dwc3->dev.coherent_dma_mask = dev->coherent_dma_mask; - - child_res = kcalloc(2, sizeof(*child_res), GFP_KERNEL); - if (!child_res) { - platform_device_put(qcom->dwc3); - return -ENOMEM; - } - - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (!res) { - dev_err(&pdev->dev, "failed to get memory resource\n"); - ret = -ENODEV; - goto out; - } - - child_res[0].flags = res->flags; - child_res[0].start = res->start; - child_res[0].end = child_res[0].start + - qcom->acpi_pdata->dwc3_core_base_size; - - irq = platform_get_irq(pdev_irq, 0); - if (irq < 0) { - ret = irq; - goto out; - } - child_res[1].flags = IORESOURCE_IRQ; - child_res[1].start = child_res[1].end = irq; - - ret = platform_device_add_resources(qcom->dwc3, child_res, 2); - if (ret) { - dev_err(&pdev->dev, "failed to add resources\n"); - goto out; - } - - ret = device_add_software_node(&qcom->dwc3->dev, &dwc3_qcom_swnode); - if (ret < 0) { - dev_err(&pdev->dev, "failed to add properties\n"); - goto out; - } - - ret = platform_device_add(qcom->dwc3); - if (ret) { - dev_err(&pdev->dev, "failed to add device\n"); - device_remove_software_node(&qcom->dwc3->dev); - goto out; - } - kfree(child_res); - return 0; - -out: - platform_device_put(qcom->dwc3); - kfree(child_res); - return ret; -} - static int dwc3_qcom_of_register_core(struct platform_device *pdev) { struct dwc3_qcom *qcom = platform_get_drvdata(pdev); @@ -763,57 +642,12 @@ node_put: return ret; } -static struct platform_device *dwc3_qcom_create_urs_usb_platdev(struct device *dev) -{ - struct platform_device *urs_usb = NULL; - struct fwnode_handle *fwh; - struct acpi_device *adev; - char name[8]; - int ret; - int id; - - /* Figure out device id */ - ret = sscanf(fwnode_get_name(dev->fwnode), "URS%d", &id); - if (!ret) - return NULL; - - /* Find the child using name */ - snprintf(name, sizeof(name), "USB%d", id); - fwh = fwnode_get_named_child_node(dev->fwnode, name); - if (!fwh) - return NULL; - - adev = to_acpi_device_node(fwh); - if (!adev) - goto err_put_handle; - - urs_usb = acpi_create_platform_device(adev, NULL); - if (IS_ERR_OR_NULL(urs_usb)) - goto err_put_handle; - - return urs_usb; - -err_put_handle: - fwnode_handle_put(fwh); - - return urs_usb; -} - -static void dwc3_qcom_destroy_urs_usb_platdev(struct platform_device *urs_usb) -{ - struct fwnode_handle *fwh = urs_usb->dev.fwnode; - - platform_device_unregister(urs_usb); - fwnode_handle_put(fwh); -} - static int dwc3_qcom_probe(struct platform_device *pdev) { struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; struct dwc3_qcom *qcom; - struct resource *res, *parent_res = NULL; - struct resource local_res; + struct resource *res; int ret, i; bool ignore_pipe_clk; bool wakeup_source; @@ -825,14 +659,6 @@ static int dwc3_qcom_probe(struct platform_device *pdev) platform_set_drvdata(pdev, qcom); qcom->dev = &pdev->dev; - if (has_acpi_companion(dev)) { - qcom->acpi_pdata = acpi_device_get_match_data(dev); - if (!qcom->acpi_pdata) { - dev_err(&pdev->dev, "no supporting ACPI device data\n"); - return -EINVAL; - } - } - qcom->resets = devm_reset_control_array_get_optional_exclusive(dev); if (IS_ERR(qcom->resets)) { return dev_err_probe(&pdev->dev, PTR_ERR(qcom->resets), @@ -861,40 +687,16 @@ static int dwc3_qcom_probe(struct platform_device *pdev) res = platform_get_resource(pdev, IORESOURCE_MEM, 0); - if (np) { - parent_res = res; - } else { - memcpy(&local_res, res, sizeof(struct resource)); - parent_res = &local_res; - - parent_res->start = res->start + - qcom->acpi_pdata->qscratch_base_offset; - parent_res->end = parent_res->start + - qcom->acpi_pdata->qscratch_base_size; - - if (qcom->acpi_pdata->is_urs) { - qcom->urs_usb = dwc3_qcom_create_urs_usb_platdev(dev); - if (IS_ERR_OR_NULL(qcom->urs_usb)) { - dev_err(dev, "failed to create URS USB platdev\n"); - if (!qcom->urs_usb) - ret = -ENODEV; - else - ret = PTR_ERR(qcom->urs_usb); - goto clk_disable; - } - } - } - - qcom->qscratch_base = devm_ioremap_resource(dev, parent_res); + qcom->qscratch_base = devm_ioremap_resource(dev, res); if (IS_ERR(qcom->qscratch_base)) { ret = PTR_ERR(qcom->qscratch_base); - goto free_urs; + goto clk_disable; } ret = dwc3_qcom_setup_irq(pdev); if (ret) { dev_err(dev, "failed to setup IRQs, err=%d\n", ret); - goto free_urs; + goto clk_disable; } /* @@ -906,14 +708,10 @@ static int dwc3_qcom_probe(struct platform_device *pdev) if (ignore_pipe_clk) dwc3_qcom_select_utmi_clk(qcom); - if (np) - ret = dwc3_qcom_of_register_core(pdev); - else - ret = dwc3_qcom_acpi_register_core(pdev); - + ret = dwc3_qcom_of_register_core(pdev); if (ret) { dev_err(dev, "failed to register DWC3 Core, err=%d\n", ret); - goto free_urs; + goto clk_disable; } ret = dwc3_qcom_interconnect_init(qcom); @@ -945,16 +743,8 @@ static int dwc3_qcom_probe(struct platform_device *pdev) interconnect_exit: dwc3_qcom_interconnect_exit(qcom); depopulate: - if (np) { - of_platform_depopulate(&pdev->dev); - } else { - device_remove_software_node(&qcom->dwc3->dev); - platform_device_del(qcom->dwc3); - } + of_platform_depopulate(&pdev->dev); platform_device_put(qcom->dwc3); -free_urs: - if (qcom->urs_usb) - dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb); clk_disable: for (i = qcom->num_clocks - 1; i >= 0; i--) { clk_disable_unprepare(qcom->clks[i]); @@ -969,21 +759,12 @@ reset_assert: static void dwc3_qcom_remove(struct platform_device *pdev) { struct dwc3_qcom *qcom = platform_get_drvdata(pdev); - struct device_node *np = pdev->dev.of_node; struct device *dev = &pdev->dev; int i; - if (np) { - of_platform_depopulate(&pdev->dev); - } else { - device_remove_software_node(&qcom->dwc3->dev); - platform_device_del(qcom->dwc3); - } + of_platform_depopulate(&pdev->dev); platform_device_put(qcom->dwc3); - if (qcom->urs_usb) - dwc3_qcom_destroy_urs_usb_platdev(qcom->urs_usb); - for (i = qcom->num_clocks - 1; i >= 0; i--) { clk_disable_unprepare(qcom->clks[i]); clk_put(qcom->clks[i]); @@ -1053,38 +834,6 @@ static const struct of_device_id dwc3_qcom_of_match[] = { }; MODULE_DEVICE_TABLE(of, dwc3_qcom_of_match); -#ifdef CONFIG_ACPI -static const struct dwc3_acpi_pdata sdm845_acpi_pdata = { - .qscratch_base_offset = SDM845_QSCRATCH_BASE_OFFSET, - .qscratch_base_size = SDM845_QSCRATCH_SIZE, - .dwc3_core_base_size = SDM845_DWC3_CORE_SIZE, - .qusb2_phy_irq_index = 1, - .dp_hs_phy_irq_index = 4, - .dm_hs_phy_irq_index = 3, - .ss_phy_irq_index = 2 -}; - -static const struct dwc3_acpi_pdata sdm845_acpi_urs_pdata = { - .qscratch_base_offset = SDM845_QSCRATCH_BASE_OFFSET, - .qscratch_base_size = SDM845_QSCRATCH_SIZE, - .dwc3_core_base_size = SDM845_DWC3_CORE_SIZE, - .qusb2_phy_irq_index = 1, - .dp_hs_phy_irq_index = 4, - .dm_hs_phy_irq_index = 3, - .ss_phy_irq_index = 2, - .is_urs = true, -}; - -static const struct acpi_device_id dwc3_qcom_acpi_match[] = { - { "QCOM2430", (unsigned long)&sdm845_acpi_pdata }, - { "QCOM0304", (unsigned long)&sdm845_acpi_urs_pdata }, - { "QCOM0497", (unsigned long)&sdm845_acpi_urs_pdata }, - { "QCOM04A6", (unsigned long)&sdm845_acpi_pdata }, - { }, -}; -MODULE_DEVICE_TABLE(acpi, dwc3_qcom_acpi_match); -#endif - static struct platform_driver dwc3_qcom_driver = { .probe = dwc3_qcom_probe, .remove_new = dwc3_qcom_remove, @@ -1092,7 +841,6 @@ static struct platform_driver dwc3_qcom_driver = { .name = "dwc3-qcom", .pm = &dwc3_qcom_dev_pm_ops, .of_match_table = dwc3_qcom_of_match, - .acpi_match_table = ACPI_PTR(dwc3_qcom_acpi_match), }, }; |