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authorSimon Glass <sjg@chromium.org>2020-07-08 06:32:30 +0300
committerBin Meng <bmeng.cn@gmail.com>2020-07-17 09:32:24 +0300
commit6d349e2e435340bf27c8f567f7607eaaba2ee77c (patch)
treeaff095f18aee2b5d3ee479f8ed9c1c879fdbc557 /drivers
parent4b0ec52b9ee52de7aabb05c6a8386c0b788d2271 (diff)
downloadu-boot-6d349e2e435340bf27c8f567f7607eaaba2ee77c.tar.xz
p2sb: Add a method to hide the bus
The P2SB bus needs to be hidden in some cases so that it does not get auto-configured by Linux. Add a method for this. Signed-off-by: Simon Glass <sjg@chromium.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com> Tested-by: Wolfgang Wallner <wolfgang.wallner@br-automation.com>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/misc/p2sb-uclass.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/drivers/misc/p2sb-uclass.c b/drivers/misc/p2sb-uclass.c
index d5fe12ebd8..b5219df46b 100644
--- a/drivers/misc/p2sb-uclass.c
+++ b/drivers/misc/p2sb-uclass.c
@@ -18,6 +18,16 @@
#define PCR_COMMON_IOSF_1_0 1
+int p2sb_set_hide(struct udevice *dev, bool hide)
+{
+ struct p2sb_ops *ops = p2sb_get_ops(dev);
+
+ if (!ops->set_hide)
+ return -ENOSYS;
+
+ return ops->set_hide(dev, hide);
+}
+
void *pcr_reg_address(struct udevice *dev, uint offset)
{
struct p2sb_child_platdata *pplat = dev_get_parent_platdata(dev);