From f77ab00e898bb24323d027f3f27c5661e19c8461 Mon Sep 17 00:00:00 2001
From: Simon Glass <sjg@chromium.org>
Date: Thu, 2 May 2019 10:52:15 -0600
Subject: [PATCH] x86: sysreset: Implement the get_last() method
Add a default implementation of this method which always indicates that
the last reset was a power-on reset. This is the most likely type of reset
and without a PCH-specific driver we cannot determine any other type.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
---
drivers/sysreset/sysreset_x86.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/sysreset/sysreset_x86.c b/drivers/sysreset/sysreset_x86.c
index ca892b305e..072f7948ef 100644
--- a/drivers/sysreset/sysreset_x86.c
+++ b/drivers/sysreset/sysreset_x86.c
@@ -98,6 +98,11 @@ static int x86_sysreset_request(struct udevice *dev, enum sysreset_t type)
return -EINPROGRESS;
}
+static int x86_sysreset_get_last(struct udevice *dev)
+{
+ return SYSRESET_POWER;
+}
+
#ifdef CONFIG_EFI_LOADER
void __efi_runtime EFIAPI efi_reset_system(
enum efi_reset_type reset_type,
@@ -140,6 +145,7 @@ static const struct udevice_id x86_sysreset_ids[] = {
static struct sysreset_ops x86_sysreset_ops = {
.request = x86_sysreset_request,
+ .get_last = x86_sysreset_get_last,
};
U_BOOT_DRIVER(x86_sysreset) = {
--
2.39.5