diff options
Diffstat (limited to 'arch/sh/drivers/dma/dma-sysfs.c')
| -rw-r--r-- | arch/sh/drivers/dma/dma-sysfs.c | 31 |
1 files changed, 26 insertions, 5 deletions
diff --git a/arch/sh/drivers/dma/dma-sysfs.c b/arch/sh/drivers/dma/dma-sysfs.c index 6e3b58bd879..70a5d82eb2f 100644 --- a/arch/sh/drivers/dma/dma-sysfs.c +++ b/arch/sh/drivers/dma/dma-sysfs.c @@ -3,7 +3,7 @@ * * sysfs interface for SH DMA API * - * Copyright (C) 2004 Paul Mundt + * Copyright (C) 2004, 2005 Paul Mundt * * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive @@ -12,7 +12,9 @@ #include <linux/kernel.h> #include <linux/init.h> #include <linux/sysdev.h> +#include <linux/platform_device.h> #include <linux/module.h> +#include <linux/err.h> #include <linux/string.h> #include <asm/dma.h> @@ -77,7 +79,7 @@ static ssize_t dma_store_config(struct sys_device *dev, unsigned long config; config = simple_strtoul(buf, NULL, 0); - dma_configure_channel(channel->chan, config); + dma_configure_channel(channel->vchan, config); return count; } @@ -111,12 +113,13 @@ static SYSDEV_ATTR(field, S_IRUGO, dma_show_##field, NULL); dma_ro_attr(count, "0x%08x\n"); dma_ro_attr(flags, "0x%08lx\n"); -int __init dma_create_sysfs_files(struct dma_channel *chan) +int dma_create_sysfs_files(struct dma_channel *chan, struct dma_info *info) { struct sys_device *dev = &chan->dev; + char name[16]; int ret; - dev->id = chan->chan; + dev->id = chan->vchan; dev->cls = &dma_sysclass; ret = sysdev_register(dev); @@ -129,6 +132,24 @@ int __init dma_create_sysfs_files(struct dma_channel *chan) sysdev_create_file(dev, &attr_flags); sysdev_create_file(dev, &attr_config); - return 0; + snprintf(name, sizeof(name), "dma%d", chan->chan); + return sysfs_create_link(&info->pdev->dev.kobj, &dev->kobj, name); +} + +void dma_remove_sysfs_files(struct dma_channel *chan, struct dma_info *info) +{ + struct sys_device *dev = &chan->dev; + char name[16]; + + sysdev_remove_file(dev, &attr_dev_id); + sysdev_remove_file(dev, &attr_count); + sysdev_remove_file(dev, &attr_mode); + sysdev_remove_file(dev, &attr_flags); + sysdev_remove_file(dev, &attr_config); + + snprintf(name, sizeof(name), "dma%d", chan->chan); + sysfs_remove_link(&info->pdev->dev.kobj, name); + + sysdev_unregister(dev); } |