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x86: apl: Hide the p2sb on exit from U-Boot

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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@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>
This commit is contained in:
Simon Glass
2020-07-07 21:32:32 -06:00
committed by Bin Meng
parent f549d9bbde
commit 62fba44d6d
1 changed files with 13 additions and 0 deletions
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13
arch/x86/cpu/intel_common/p2sb.c
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@@ -153,6 +153,17 @@ static int intel_p2sb_set_hide(struct udevice *dev, bool hide)
return 0;
}
static int p2sb_remove(struct udevice *dev)
{
int ret;
ret = intel_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)
@@ -183,10 +194,12 @@ U_BOOT_DRIVER(p2sb_drv) = {
.id = UCLASS_P2SB,
.of_match = p2sb_ids,
.probe = p2sb_probe,
.remove = p2sb_remove,
.ops = &p2sb_ops,
.ofdata_to_platdata = 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,
};