From: Simon Glass <sjg@chromium.org>
Date: Thu, 2 May 2019 16:52:15 +0000 (-0600)
Subject: x86: sysreset: Implement the get_last() method
X-Git-Tag: v2019.07-rc2~14^2~16
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=f77ab00e898bb24323d027f3f27c5661e19c8461;p=platform%2Fkernel%2Fu-boot.git

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>
---

diff --git a/drivers/sysreset/sysreset_x86.c b/drivers/sysreset/sysreset_x86.c
index ca892b3..072f794 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) = {