[PATCH 059/108] x86: apl: Hide the p2sb on exit from U-Boot
Simon Glass
sjg at chromium.org
Mon Jan 27 06:06:06 CET 2020
This confuses Linux's PCI probing so needs to be hidden when booting
Linux. Add a remove() method to handle this.
Signed-off-by: Simon Glass <sjg at chromium.org>
---
arch/x86/cpu/apollolake/p2sb.c | 14 ++++++++++++++
1 file changed, 14 insertions(+)
diff --git a/arch/x86/cpu/apollolake/p2sb.c b/arch/x86/cpu/apollolake/p2sb.c
index 92bf31333c..9f4b1a0d92 100644
--- a/arch/x86/cpu/apollolake/p2sb.c
+++ b/arch/x86/cpu/apollolake/p2sb.c
@@ -151,6 +151,17 @@ static int apl_p2sb_set_hide(struct udevice *dev, bool hide)
return 0;
}
+static int apl_p2sb_remove(struct udevice *dev)
+{
+ int ret;
+
+ ret = apl_p2sb_set_hide(dev, true);
+ if (ret)
+ return log_msg_ret("hide", ret);
+
+ return 0;
+}
+
static int p2sb_child_post_bind(struct udevice *dev)
{
#if !CONFIG_IS_ENABLED(OF_PLATDATA)
@@ -181,9 +192,12 @@ U_BOOT_DRIVER(apl_p2sb_drv) = {
.id = UCLASS_P2SB,
.of_match = apl_p2sb_ids,
.probe = apl_p2sb_probe,
+ .remove = apl_p2sb_remove,
+ .ops = &apl_p2sb_ops,
.ofdata_to_platdata = apl_p2sb_ofdata_to_platdata,
.platdata_auto_alloc_size = sizeof(struct p2sb_platdata),
.per_child_platdata_auto_alloc_size =
sizeof(struct p2sb_child_platdata),
.child_post_bind = p2sb_child_post_bind,
+ .flags = DM_FLAG_OS_PREPARE,
};
--
2.25.0.341.g760bfbb309-goog
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