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authorMichal Simek <michal.simek@xilinx.com>2013-06-26 05:52:12 -0400
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2013-07-26 20:54:30 -0400
commit26dac3c49d56642b06c07c80a2184abbf510920f (patch)
treea3bae08b3d70c573b94bd744347dcfd78c2dd4e4 /drivers/uio
parentb950ac1dabfcbf97b99f26fa75f86087e1960aef (diff)
uio: Remove uio_pdrv and use uio_pdrv_genirq instead
The patch "UIO: fix uio_pdrv_genirq with device tree but no interrupt" (sha1: e3a3c3a205554e564751cd9c0276b2af813d7a92) add support to use this driver with no interrupts. uio_pdrv_genirq also supports device-tree binding which is not available in uio_pdrv. That's why this uio_pdrv driver can be just removed. Signed-off-by: Michal Simek <michal.simek@xilinx.com> Reviewed-by: Vitalii Demianets <vitas@nppfactor.kiev.ua> Reviewed-by: Pavel Machek <pavel@denx.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/uio')
-rw-r--r--drivers/uio/Kconfig7
-rw-r--r--drivers/uio/Makefile1
-rw-r--r--drivers/uio/uio_pdrv.c113
3 files changed, 0 insertions, 121 deletions
diff --git a/drivers/uio/Kconfig b/drivers/uio/Kconfig
index 5295be0342c1..a81d16389a58 100644
--- a/drivers/uio/Kconfig
+++ b/drivers/uio/Kconfig
@@ -23,13 +23,6 @@ config UIO_CIF
23 To compile this driver as a module, choose M here: the module 23 To compile this driver as a module, choose M here: the module
24 will be called uio_cif. 24 will be called uio_cif.
25 25
26config UIO_PDRV
27 tristate "Userspace I/O platform driver"
28 help
29 Generic platform driver for Userspace I/O devices.
30
31 If you don't know what to do here, say N.
32
33config UIO_PDRV_GENIRQ 26config UIO_PDRV_GENIRQ
34 tristate "Userspace I/O platform driver with generic IRQ handling" 27 tristate "Userspace I/O platform driver with generic IRQ handling"
35 help 28 help
diff --git a/drivers/uio/Makefile b/drivers/uio/Makefile
index b354c539507a..ea015a290127 100644
--- a/drivers/uio/Makefile
+++ b/drivers/uio/Makefile
@@ -1,6 +1,5 @@
1obj-$(CONFIG_UIO) += uio.o 1obj-$(CONFIG_UIO) += uio.o
2obj-$(CONFIG_UIO_CIF) += uio_cif.o 2obj-$(CONFIG_UIO_CIF) += uio_cif.o
3obj-$(CONFIG_UIO_PDRV) += uio_pdrv.o
4obj-$(CONFIG_UIO_PDRV_GENIRQ) += uio_pdrv_genirq.o 3obj-$(CONFIG_UIO_PDRV_GENIRQ) += uio_pdrv_genirq.o
5obj-$(CONFIG_UIO_DMEM_GENIRQ) += uio_dmem_genirq.o 4obj-$(CONFIG_UIO_DMEM_GENIRQ) += uio_dmem_genirq.o
6obj-$(CONFIG_UIO_AEC) += uio_aec.o 5obj-$(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 39be9e061700..000000000000
--- a/drivers/uio/uio_pdrv.c
+++ /dev/null
@@ -1,113 +0,0 @@
1/*
2 * drivers/uio/uio_pdrv.c
3 *
4 * Copyright (C) 2008 by Digi International Inc.
5 * All rights reserved.
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License version 2 as published by
9 * the Free Software Foundation.
10 */
11#include <linux/platform_device.h>
12#include <linux/uio_driver.h>
13#include <linux/stringify.h>
14#include <linux/module.h>
15#include <linux/slab.h>
16
17#define DRIVER_NAME "uio_pdrv"
18
19struct uio_platdata {
20 struct uio_info *uioinfo;
21};
22
23static int uio_pdrv_probe(struct platform_device *pdev)
24{
25 struct uio_info *uioinfo = pdev->dev.platform_data;
26 struct uio_platdata *pdata;
27 struct uio_mem *uiomem;
28 int ret = -ENODEV;
29 int i;
30
31 if (!uioinfo || !uioinfo->name || !uioinfo->version) {
32 dev_dbg(&pdev->dev, "%s: err_uioinfo\n", __func__);
33 goto err_uioinfo;
34 }
35
36 pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
37 if (!pdata) {
38 ret = -ENOMEM;
39 dev_dbg(&pdev->dev, "%s: err_alloc_pdata\n", __func__);
40 goto err_alloc_pdata;
41 }
42
43 pdata->uioinfo = uioinfo;
44
45 uiomem = &uioinfo->mem[0];
46
47 for (i = 0; i < pdev->num_resources; ++i) {
48 struct resource *r = &pdev->resource[i];
49
50 if (r->flags != IORESOURCE_MEM)
51 continue;
52
53 if (uiomem >= &uioinfo->mem[MAX_UIO_MAPS]) {
54 dev_warn(&pdev->dev, "device has more than "
55 __stringify(MAX_UIO_MAPS)
56 " I/O memory resources.\n");
57 break;
58 }
59
60 uiomem->memtype = UIO_MEM_PHYS;
61 uiomem->addr = r->start;
62 uiomem->size = resource_size(r);
63 uiomem->name = r->name;
64 ++uiomem;
65 }
66
67 while (uiomem < &uioinfo->mem[MAX_UIO_MAPS]) {
68 uiomem->size = 0;
69 ++uiomem;
70 }
71
72 pdata->uioinfo->priv = pdata;
73
74 ret = uio_register_device(&pdev->dev, pdata->uioinfo);
75
76 if (ret) {
77 kfree(pdata);
78err_alloc_pdata:
79err_uioinfo:
80 return ret;
81 }
82
83 platform_set_drvdata(pdev, pdata);
84
85 return 0;
86}
87
88static int uio_pdrv_remove(struct platform_device *pdev)
89{
90 struct uio_platdata *pdata = platform_get_drvdata(pdev);
91
92 uio_unregister_device(pdata->uioinfo);
93
94 kfree(pdata);
95
96 return 0;
97}
98
99static struct platform_driver uio_pdrv = {
100 .probe = uio_pdrv_probe,
101 .remove = uio_pdrv_remove,
102 .driver = {
103 .name = DRIVER_NAME,
104 .owner = THIS_MODULE,
105 },
106};
107
108module_platform_driver(uio_pdrv);
109
110MODULE_AUTHOR("Uwe Kleine-Koenig");
111MODULE_DESCRIPTION("Userspace I/O platform driver");
112MODULE_LICENSE("GPL v2");
113MODULE_ALIAS("platform:" DRIVER_NAME);