[U-Boot] [PATCH 1/2] pci: Only link pci_rom.o in some cases

Tom Rini
2019-11-27T01:40:59Z

The content of pci_rom.c is only used in a few cases. Only build and
link in these cases to avoid a global variable as gcc doesn't always
discard those when they are unused.

Signed-off-by: Tom Rini <trini@konsulko.com>
---
drivers/pci/Makefile | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/pci/Makefile b/drivers/pci/Makefile
index 219473aa7924..da8b826d69c3 100644
--- a/drivers/pci/Makefile
+++ b/drivers/pci/Makefile
@@ -4,12 +4,12 @@
# Wolfgang Denk, DENX Software Engineering, wd at denx.de.

ifneq ($(CONFIG_DM_PCI),)
-obj-y += pci_rom.o
+obj-$(CONFIG_DM_VIDEO) += pci_rom.o
obj-$(CONFIG_PCI) += pci-uclass.o pci_auto.o
obj-$(CONFIG_DM_PCI_COMPAT) += pci_compat.o
obj-$(CONFIG_PCI_SANDBOX) += pci_sandbox.o
obj-$(CONFIG_SANDBOX) += pci-emul-uclass.o
-obj-$(CONFIG_X86) += pci_x86.o
+obj-$(CONFIG_X86) += pci_x86.o pci_rom.o
else
obj-$(CONFIG_PCI) += pci.o pci_auto_old.o
endif
--
2.17.1