Update Linux to v5.4.2
Change-Id: Idf6911045d9d382da2cfe01b1edff026404ac8fd
diff --git a/arch/sparc/include/asm/leon.h b/arch/sparc/include/asm/leon.h
index c68bb5b..c1e05e4 100644
--- a/arch/sparc/include/asm/leon.h
+++ b/arch/sparc/include/asm/leon.h
@@ -225,7 +225,6 @@
irq_flow_handler_t flow_handler,
const char *name, int do_ack);
void leon_init_timers(void);
-void leon_trans_init(struct device_node *dp);
void leon_node_init(struct device_node *dp, struct device_node ***nextp);
void init_leon(void);
void poke_leonsparc(void);
@@ -255,4 +254,13 @@
#define _pfn_valid(pfn) ((pfn < last_valid_pfn) && (pfn >= PFN(phys_base)))
#define _SRMMU_PTE_PMASK_LEON 0xffffffff
+/*
+ * On LEON PCI Memory space is mapped 1:1 with physical address space.
+ *
+ * I/O space is located at low 64Kbytes in PCI I/O space. The I/O addresses
+ * are converted into CPU addresses to virtual addresses that are mapped with
+ * MMU to the PCI Host PCI I/O space window which are translated to the low
+ * 64Kbytes by the Host controller.
+ */
+
#endif