summaryrefslogtreecommitdiffstats
path: root/drivers/amba
diff options
context:
space:
mode:
authorKunwu Chan <chentao@kylinos.cn>2024-09-02 08:39:20 +0200
committerRussell King (Oracle) <rmk+kernel@armlinux.org.uk>2024-11-12 17:41:45 +0100
commitad8d1e323dd37f91d0c973e2a74c7b9054219adc (patch)
tree5f25f580f689794ebf0189a61c075a2407c206d4 /drivers/amba
parentLinux 6.12-rc1 (diff)
downloadlinux-ad8d1e323dd37f91d0c973e2a74c7b9054219adc.tar.xz
linux-ad8d1e323dd37f91d0c973e2a74c7b9054219adc.zip
ARM: 9415/1: amba: Add dev_is_amba() function and export it for modules
Add dev_is_amba() function to determine whether the device is a AMBA device. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Kunwu Chan <chentao@kylinos.cn> Signed-off-by: Russell King (Oracle) <rmk+kernel@armlinux.org.uk>
Diffstat (limited to 'drivers/amba')
-rw-r--r--drivers/amba/bus.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/drivers/amba/bus.c b/drivers/amba/bus.c
index 0230c43377c1..8ef259b4d037 100644
--- a/drivers/amba/bus.c
+++ b/drivers/amba/bus.c
@@ -449,6 +449,12 @@ const struct bus_type amba_bustype = {
};
EXPORT_SYMBOL_GPL(amba_bustype);
+bool dev_is_amba(const struct device *dev)
+{
+ return dev->bus == &amba_bustype;
+}
+EXPORT_SYMBOL_GPL(dev_is_amba);
+
static int __init amba_init(void)
{
return bus_register(&amba_bustype);