powerpc: Remove unused SLOW_DOWN_IO definition

Remove unused SLOW_DOWN_IO definition.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220415190817.842864-6-helgaas@kernel.org

diff --git a/arch/powerpc/include/asm/io.h b/arch/powerpc/include/asm/io.h
index fee979d..c5a5f7c 100644 (file)
--- a/arch/powerpc/include/asm/io.h
+++ b/arch/powerpc/include/asm/io.h
@@ -38,8 +38,6 @@ extern struct pci_dev *isa_bridge_pcidev;
 #define SIO_CONFIG_RA  0x398
 #define SIO_CONFIG_RD  0x399
 
-#define SLOW_DOWN_IO
-
 /* 32 bits uses slightly different variables for the various IO
  * bases. Most of this file only uses _IO_BASE though which we
  * define properly based on the platform