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sh: dma-sysfs: move to use bus_get_dev_root()

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Direct access to the struct bus_type dev_root pointer is going away soon
so replace that with a call to bus_get_dev_root() instead, which is what
it is there for.

Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Cc: Rich Felker <dalias@libc.org>
Cc: linux-sh@vger.kernel.org
Acked-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230313182918.1312597-16-gregkh@linuxfoundation.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2023-03-13 19:28:58 +01:00
parent c93bd17541
commit f6d1975cd2
1 changed files with 7 additions and 1 deletions
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8
arch/sh/drivers/dma/dma-sysfs.c
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@ -45,13 +45,19 @@ static DEVICE_ATTR(devices, S_IRUGO, dma_show_devices, NULL);
static int __init dma_subsys_init(void)
{
struct device *dev_root;
int ret;
ret = subsys_system_register(&dma_subsys, NULL);
if (unlikely(ret))
return ret;
return device_create_file(dma_subsys.dev_root, &dev_attr_devices);
dev_root = bus_get_dev_root(&dma_subsys);
if (dev_root) {
ret = device_create_file(dev_root, &dev_attr_devices);
put_device(dev_root);
}
return ret;
}
postcore_initcall(dma_subsys_init);