diff options
Diffstat (limited to 'drivers/uio')
| -rw-r--r-- | drivers/uio/Kconfig | 7 | ||||
| -rw-r--r-- | drivers/uio/Makefile | 1 | ||||
| -rw-r--r-- | drivers/uio/uio_pdrv.c | 113 |
3 files changed, 0 insertions, 121 deletions
diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig index 5295be0..a81d163 100644 --- a/drivers/uio/Kconfig +++ b/drivers/uio/Kconfig @@ -23,13 +23,6 @@ config UIO_CIF To compile this driver as a module, choose M here: the module will be called uio_cif. -config UIO_PDRV - tristate "Userspace I/O platform driver" - help - Generic platform driver for Userspace I/O devices. - - If you don't know what to do here, say N. - config UIO_PDRV_GENIRQ tristate "Userspace I/O platform driver with generic IRQ handling" help diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile index b354c53..ea015a2 100644 --- a/drivers/uio/Makefile +++ b/drivers/uio/Makefile @@ -1,6 +1,5 @@ obj-$(CONFIG_UIO) += uio.o obj-$(CONFIG_UIO_CIF) += uio_cif.o -obj-$(CONFIG_UIO_PDRV) += uio_pdrv.o obj-$(CONFIG_UIO_PDRV_GENIRQ) += uio_pdrv_genirq.o obj-$(CONFIG_UIO_DMEM_GENIRQ) += uio_dmem_genirq.o obj-$(CONFIG_UIO_AEC) += uio_aec.o diff --git a/drivers/uio/uio_pdrv.c b/drivers/uio/uio_pdrv.c deleted file mode 100644 index 39be9e0..0000000 --- a/drivers/uio/uio_pdrv.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * drivers/uio/uio_pdrv.c - * - * Copyright (C) 2008 by Digi International Inc. - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License version 2 as published by - * the Free Software Foundation. - */ -#include <linux/platform_device.h> -#include <linux/uio_driver.h> -#include <linux/stringify.h> -#include <linux/module.h> -#include <linux/slab.h> - -#define DRIVER_NAME "uio_pdrv" - -struct uio_platdata { - struct uio_info *uioinfo; -}; - -static int uio_pdrv_probe(struct platform_device *pdev) -{ - struct uio_info *uioinfo = pdev->dev.platform_data; - struct uio_platdata *pdata; - struct uio_mem *uiomem; - int ret = -ENODEV; - int i; - - if (!uioinfo || !uioinfo->name || !uioinfo->version) { - dev_dbg(&pdev->dev, "%s: err_uioinfo\n", __func__); - goto err_uioinfo; - } - - pdata = kzalloc(sizeof(*pdata), GFP_KERNEL); - if (!pdata) { - ret = -ENOMEM; - dev_dbg(&pdev->dev, "%s: err_alloc_pdata\n", __func__); - goto err_alloc_pdata; - } - - pdata->uioinfo = uioinfo; - - uiomem = &uioinfo->mem[0]; - - for (i = 0; i < pdev->num_resources; ++i) { - struct resource *r = &pdev->resource[i]; - - if (r->flags != IORESOURCE_MEM) - continue; - - if (uiomem >= &uioinfo->mem[MAX_UIO_MAPS]) { - dev_warn(&pdev->dev, "device has more than " - __stringify(MAX_UIO_MAPS) - " I/O memory resources.\n"); - break; - } - - uiomem->memtype = UIO_MEM_PHYS; - uiomem->addr = r->start; - uiomem->size = resource_size(r); - uiomem->name = r->name; - ++uiomem; - } - - while (uiomem < &uioinfo->mem[MAX_UIO_MAPS]) { - uiomem->size = 0; - ++uiomem; - } - - pdata->uioinfo->priv = pdata; - - ret = uio_register_device(&pdev->dev, pdata->uioinfo); - - if (ret) { - kfree(pdata); -err_alloc_pdata: -err_uioinfo: - return ret; - } - - platform_set_drvdata(pdev, pdata); - - return 0; -} - -static int uio_pdrv_remove(struct platform_device *pdev) -{ - struct uio_platdata *pdata = platform_get_drvdata(pdev); - - uio_unregister_device(pdata->uioinfo); - - kfree(pdata); - - return 0; -} - -static struct platform_driver uio_pdrv = { - .probe = uio_pdrv_probe, - .remove = uio_pdrv_remove, - .driver = { - .name = DRIVER_NAME, - .owner = THIS_MODULE, - }, -}; - -module_platform_driver(uio_pdrv); - -MODULE_AUTHOR("Uwe Kleine-Koenig"); -MODULE_DESCRIPTION("Userspace I/O platform driver"); -MODULE_LICENSE("GPL v2"); -MODULE_ALIAS("platform:" DRIVER_NAME); |
