[PATCH v3 21/23] x86: cpu: i386: cpu: only set pci_ram_top if CONFIG_IS_ENABLED(PCI)

[Troy Kisky]

This avoids an error when ifdef CONFIG_PCI is changed to
if CONFIG_IS_ENABLED(PCI)

Signed-off-by: Troy Kisky <troykiskyboundary at gmail.com>
---

(no changes since v2)

Changes in v2:
- use an accessor function gd_set_pci_ram_top

 arch/x86/cpu/i386/cpu.c           | 2 +-
 include/asm-generic/global_data.h | 6 ++++++
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/arch/x86/cpu/i386/cpu.c b/arch/x86/cpu/i386/cpu.c
index c7f6c5a013e..068670dfc41 100644
--- a/arch/x86/cpu/i386/cpu.c
+++ b/arch/x86/cpu/i386/cpu.c
@@ -415,7 +415,7 @@ int cpu_phys_address_size(void)
 /* Don't allow PCI region 3 to use memory in the 2-4GB memory hole */
 static void setup_pci_ram_top(void)
 {
-	gd->pci_ram_top = 0x80000000U;
+	gd_set_pci_ram_top(0x80000000U);
 }
 
 static void setup_mtrr(void)
diff --git a/include/asm-generic/global_data.h b/include/asm-generic/global_data.h
index 987fb66c17a..952e17b2c13 100644
--- a/include/asm-generic/global_data.h
+++ b/include/asm-generic/global_data.h
@@ -560,6 +560,12 @@ static_assert(sizeof(struct global_data) == GD_SIZE);
 #define gd_event_state()	NULL
 #endif
 
+#if CONFIG_IS_ENABLED(PCI)
+#define gd_set_pci_ram_top(val)	gd->pci_ram_top = val
+#else
+#define gd_set_pci_ram_top(val)
+#endif
+
 /**
  * enum gd_flags - global data flags
  *
-- 
2.34.1