diff options
Diffstat (limited to 'drivers/dma/qcom/hidma.c')
| -rw-r--r-- | drivers/dma/qcom/hidma.c | 47 |
1 files changed, 16 insertions, 31 deletions
diff --git a/drivers/dma/qcom/hidma.c b/drivers/dma/qcom/hidma.c index 210f1a9eb441..c2b3e4452e71 100644 --- a/drivers/dma/qcom/hidma.c +++ b/drivers/dma/qcom/hidma.c @@ -45,12 +45,11 @@ #include <linux/dmaengine.h> #include <linux/dma-mapping.h> #include <linux/list.h> +#include <linux/mod_devicetable.h> #include <linux/module.h> #include <linux/platform_device.h> #include <linux/slab.h> #include <linux/spinlock.h> -#include <linux/of_dma.h> -#include <linux/of_device.h> #include <linux/property.h> #include <linux/delay.h> #include <linux/acpi.h> @@ -214,7 +213,6 @@ static int hidma_chan_init(struct hidma_dev *dmadev, u32 dma_sig) spin_lock_init(&mchan->lock); list_add_tail(&mchan->chan.device_node, &ddev->channels); - dmadev->ddev.chancnt++; return 0; } @@ -610,7 +608,7 @@ static irqreturn_t hidma_chirq_handler(int chirq, void *arg) return hidma_ll_inthandler(chirq, lldev); } -#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN +#ifdef CONFIG_GENERIC_MSI_IRQ static irqreturn_t hidma_chirq_handler_msi(int chirq, void *arg) { struct hidma_lldev **lldevp = arg; @@ -671,7 +669,7 @@ static int hidma_sysfs_init(struct hidma_dev *dev) return device_create_file(dev->ddev.dev, dev->chid_attrs); } -#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN +#ifdef CONFIG_GENERIC_MSI_IRQ static void hidma_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg) { struct device *dev = msi_desc_to_dev(desc); @@ -687,7 +685,7 @@ static void hidma_write_msi_msg(struct msi_desc *desc, struct msi_msg *msg) static void hidma_free_msis(struct hidma_dev *dmadev) { -#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN +#ifdef CONFIG_GENERIC_MSI_IRQ struct device *dev = dmadev->ddev.dev; int i, virq; @@ -697,18 +695,18 @@ static void hidma_free_msis(struct hidma_dev *dmadev) devm_free_irq(dev, virq, &dmadev->lldev); } - platform_msi_domain_free_irqs(dev); + platform_device_msi_free_irqs_all(dev); #endif } static int hidma_request_msi(struct hidma_dev *dmadev, struct platform_device *pdev) { -#ifdef CONFIG_GENERIC_MSI_IRQ_DOMAIN +#ifdef CONFIG_GENERIC_MSI_IRQ int rc, i, virq; - rc = platform_msi_domain_alloc_irqs(&pdev->dev, HIDMA_MSI_INTS, - hidma_write_msi_msg); + rc = platform_device_msi_init_and_alloc_irqs(&pdev->dev, HIDMA_MSI_INTS, + hidma_write_msi_msg); if (rc) return rc; @@ -746,7 +744,7 @@ static bool hidma_test_capability(struct device *dev, enum hidma_cap test_cap) { enum hidma_cap cap; - cap = (enum hidma_cap) device_get_match_data(dev); + cap = (uintptr_t) device_get_match_data(dev); return cap ? ((cap & test_cap) > 0) : 0; } @@ -766,17 +764,15 @@ static int hidma_probe(struct platform_device *pdev) pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); - trca_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); - trca = devm_ioremap_resource(&pdev->dev, trca_resource); + trca = devm_platform_get_and_ioremap_resource(pdev, 0, &trca_resource); if (IS_ERR(trca)) { - rc = -ENOMEM; + rc = PTR_ERR(trca); goto bailout; } - evca_resource = platform_get_resource(pdev, IORESOURCE_MEM, 1); - evca = devm_ioremap_resource(&pdev->dev, evca_resource); + evca = devm_platform_get_and_ioremap_resource(pdev, 1, &evca_resource); if (IS_ERR(evca)) { - rc = -ENOMEM; + rc = PTR_ERR(evca); goto bailout; } @@ -786,7 +782,7 @@ static int hidma_probe(struct platform_device *pdev) */ chirq = platform_get_irq(pdev, 0); if (chirq < 0) { - rc = -ENODEV; + rc = chirq; goto bailout; } @@ -918,7 +914,7 @@ static void hidma_shutdown(struct platform_device *pdev) } -static int hidma_remove(struct platform_device *pdev) +static void hidma_remove(struct platform_device *pdev) { struct hidma_dev *dmadev = platform_get_drvdata(pdev); @@ -938,8 +934,6 @@ static int hidma_remove(struct platform_device *pdev) dev_info(&pdev->dev, "HI-DMA engine removed\n"); pm_runtime_put_sync_suspend(&pdev->dev); pm_runtime_disable(&pdev->dev); - - return 0; } #if IS_ENABLED(CONFIG_ACPI) @@ -952,25 +946,16 @@ static const struct acpi_device_id hidma_acpi_ids[] = { MODULE_DEVICE_TABLE(acpi, hidma_acpi_ids); #endif -static const struct of_device_id hidma_match[] = { - {.compatible = "qcom,hidma-1.0",}, - {.compatible = "qcom,hidma-1.1", .data = (void *)(HIDMA_MSI_CAP),}, - {.compatible = "qcom,hidma-1.2", - .data = (void *)(HIDMA_MSI_CAP | HIDMA_IDENTITY_CAP),}, - {}, -}; -MODULE_DEVICE_TABLE(of, hidma_match); - static struct platform_driver hidma_driver = { .probe = hidma_probe, .remove = hidma_remove, .shutdown = hidma_shutdown, .driver = { .name = "hidma", - .of_match_table = hidma_match, .acpi_match_table = ACPI_PTR(hidma_acpi_ids), }, }; module_platform_driver(hidma_driver); +MODULE_DESCRIPTION("Qualcomm Technologies HIDMA Channel support"); MODULE_LICENSE("GPL v2"); |