X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=kernel%2Fdrivers%2Fbus%2Fmips_cdmm.c;fp=kernel%2Fdrivers%2Fbus%2Fmips_cdmm.c;h=1c543effe062f8631c688088a1620454fadf160e;hb=e09b41010ba33a20a87472ee821fa407a5b8da36;hp=ab3bde16ecb4443a2e63d8e327fa1db730294dff;hpb=f93b97fd65072de626c074dbe099a1fff05ce060;p=kvmfornfv.git

diff --git a/kernel/drivers/bus/mips_cdmm.c b/kernel/drivers/bus/mips_cdmm.c
index ab3bde16e..1c543effe 100644
--- a/kernel/drivers/bus/mips_cdmm.c
+++ b/kernel/drivers/bus/mips_cdmm.c
@@ -331,6 +331,18 @@ static phys_addr_t mips_cdmm_cur_base(void)
 		<< MIPS_CDMMBASE_ADDR_START;
 }
 
+/**
+ * mips_cdmm_phys_base() - Choose a physical base address for CDMM region.
+ *
+ * Picking a suitable physical address at which to map the CDMM region is
+ * platform specific, so this weak function can be overridden by platform
+ * code to pick a suitable value if none is configured by the bootloader.
+ */
+phys_addr_t __weak mips_cdmm_phys_base(void)
+{
+	return 0;
+}
+
 /**
  * mips_cdmm_setup() - Ensure the CDMM bus is initialised and usable.
  * @bus:	Pointer to bus information for current CPU.
@@ -368,7 +380,7 @@ static int mips_cdmm_setup(struct mips_cdmm_bus *bus)
 	if (!bus->phys)
 		bus->phys = mips_cdmm_cur_base();
 	/* Otherwise, ask platform code for suggestions */
-	if (!bus->phys && mips_cdmm_phys_base)
+	if (!bus->phys)
 		bus->phys = mips_cdmm_phys_base();
 	/* Otherwise, copy what other CPUs have done */
 	if (!bus->phys)