diff options
| author | Simon Glass <sjg@chromium.org> | 2020-07-07 21:32:32 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2020-07-17 14:32:24 +0800 |
| commit | 62fba44d6d331d8faa3389cd84c24212a2d69cf3 (patch) | |
| tree | 0f5789082e359e00846bb5b5a13f914944e1739c /arch/x86 | |
| parent | f549d9bbde4b69fc8491cc321bcc1884aa99a4ec (diff) | |
x86: apl: Hide the p2sb on exit from U-Boot
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>
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/cpu/intel_common/p2sb.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/arch/x86/cpu/intel_common/p2sb.c b/arch/x86/cpu/intel_common/p2sb.c index db3d70d92a..361d4c90cb 100644 --- a/arch/x86/cpu/intel_common/p2sb.c +++ b/arch/x86/cpu/intel_common/p2sb.c @@ -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, }; |