diff options
Diffstat (limited to 'drivers/hwtracing/coresight/coresight-tmc.c')
| -rw-r--r-- | drivers/hwtracing/coresight/coresight-tmc.c | 35 |
1 files changed, 7 insertions, 28 deletions
diff --git a/drivers/hwtracing/coresight/coresight-tmc.c b/drivers/hwtracing/coresight/coresight-tmc.c index a57c7ec1661f..1be191f5d39c 100644 --- a/drivers/hwtracing/coresight/coresight-tmc.c +++ b/drivers/hwtracing/coresight/coresight-tmc.c @@ -1,5 +1,7 @@ /* Copyright (c) 2012, The Linux Foundation. All rights reserved. * + * Description: CoreSight Trace Memory Controller driver + * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 and * only version 2 as published by the Free Software Foundation. @@ -11,7 +13,6 @@ */ #include <linux/kernel.h> -#include <linux/module.h> #include <linux/init.h> #include <linux/types.h> #include <linux/device.h> @@ -124,7 +125,7 @@ struct tmc_drvdata { bool reading; char *buf; dma_addr_t paddr; - void __iomem *vaddr; + void *vaddr; u32 size; bool enable; enum tmc_config_type config_type; @@ -242,12 +243,9 @@ static int tmc_enable(struct tmc_drvdata *drvdata, enum tmc_mode mode) { unsigned long flags; - pm_runtime_get_sync(drvdata->dev); - spin_lock_irqsave(&drvdata->spinlock, flags); if (drvdata->reading) { spin_unlock_irqrestore(&drvdata->spinlock, flags); - pm_runtime_put(drvdata->dev); return -EBUSY; } @@ -268,7 +266,7 @@ static int tmc_enable(struct tmc_drvdata *drvdata, enum tmc_mode mode) return 0; } -static int tmc_enable_sink(struct coresight_device *csdev) +static int tmc_enable_sink(struct coresight_device *csdev, u32 mode) { struct tmc_drvdata *drvdata = dev_get_drvdata(csdev->dev.parent); @@ -381,8 +379,6 @@ out: drvdata->enable = false; spin_unlock_irqrestore(&drvdata->spinlock, flags); - pm_runtime_put(drvdata->dev); - dev_info(drvdata->dev, "TMC disabled\n"); } @@ -766,23 +762,10 @@ err_misc_register: err_devm_kzalloc: if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) dma_free_coherent(dev, drvdata->size, - &drvdata->paddr, GFP_KERNEL); + drvdata->vaddr, drvdata->paddr); return ret; } -static int tmc_remove(struct amba_device *adev) -{ - struct tmc_drvdata *drvdata = amba_get_drvdata(adev); - - misc_deregister(&drvdata->miscdev); - coresight_unregister(drvdata->csdev); - if (drvdata->config_type == TMC_CONFIG_TYPE_ETR) - dma_free_coherent(drvdata->dev, drvdata->size, - &drvdata->paddr, GFP_KERNEL); - - return 0; -} - static struct amba_id tmc_ids[] = { { .id = 0x0003b961, @@ -795,13 +778,9 @@ static struct amba_driver tmc_driver = { .drv = { .name = "coresight-tmc", .owner = THIS_MODULE, + .suppress_bind_attrs = true, }, .probe = tmc_probe, - .remove = tmc_remove, .id_table = tmc_ids, }; - -module_amba_driver(tmc_driver); - -MODULE_LICENSE("GPL v2"); -MODULE_DESCRIPTION("CoreSight Trace Memory Controller driver"); +builtin_amba_driver(tmc_driver); |