[RFC PATCH 1/2] arch: x86: apl: Only load VBT if CONFIG_HAVE_VBT is enabled

[Bernhard Messerklinger]

Only load VBT if it's present in the u-boot.rom.

Signed-off-by: Bernhard Messerklinger <bernhard.messerklinger at br-automation.com>
---

 arch/x86/cpu/apollolake/fsp_s.c | 14 ++++++++------
 1 file changed, 8 insertions(+), 6 deletions(-)

diff --git a/arch/x86/cpu/apollolake/fsp_s.c b/arch/x86/cpu/apollolake/fsp_s.c
index 1f22c1ea3c..458825bc49 100644
--- a/arch/x86/cpu/apollolake/fsp_s.c
+++ b/arch/x86/cpu/apollolake/fsp_s.c
@@ -327,16 +327,17 @@ int fsps_update_config(struct udevice *dev, ulong rom_offset,
 {
 	struct fsp_s_config *cfg = &upd->config;
 	struct apl_config *apl;
+#ifdef CONFIG_HAVE_VBT
 	struct binman_entry vbt;
-	void *buf;
 	int ret;
+	void *vbt_buf;
 
 	ret = binman_entry_find("intel-vbt", &vbt);
 	if (ret)
 		return log_msg_ret("Cannot find VBT", ret);
 	vbt.image_pos += rom_offset;
-	buf = malloc(vbt.size);
-	if (!buf)
+	vbt_buf = malloc(vbt.size);
+	if (!vbt_buf)
 		return log_msg_ret("Alloc VBT", -ENOMEM);
 
 	/*
@@ -344,11 +345,12 @@ int fsps_update_config(struct udevice *dev, ulong rom_offset,
 	 * memory-mapped SPI at present.
 	 */
 	bootstage_start(BOOTSTAGE_ID_ACCUM_MMAP_SPI, "mmap_spi");
-	memcpy(buf, (void *)vbt.image_pos, vbt.size);
+	memcpy(vbt_buf, (void *)vbt.image_pos, vbt.size);
 	bootstage_accum(BOOTSTAGE_ID_ACCUM_MMAP_SPI);
-	if (*(u32 *)buf != VBT_SIGNATURE)
+	if (*(u32 *)vbt_buf != VBT_SIGNATURE)
 		return log_msg_ret("VBT signature", -EINVAL);
-	cfg->graphics_config_ptr = (ulong)buf;
+	cfg->graphics_config_ptr = (ulong)vbt_buf;
+#endif
 
 	apl = malloc(sizeof(*apl));
 	if (!apl)
-- 
2.26.0