diff mbox series

[v8,02/14] MIPS: Fix set_uncached_handler for ebase in XKPHYS

Message ID 20240216174227.409400-3-gregory.clement@bootlin.com
State New
Headers
Series Add support for the Mobileye EyeQ5 SoC |

Commit Message

Gregory CLEMENT Feb. 16, 2024, 5:42 p.m. UTC 
  From: Jiaxun Yang <jiaxun.yang@flygoat.com>

ebase might reside in XKPHYS if memblock is unable to allocate memory
within the KSEG0 physical range.

To map EBASE into uncached space, we convert it back to its physical
address and utilize the new CKSEG1ADDR_OR_64BIT helper for mapping.

Co-developed-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Signed-off-by: Vladimir Kondratiev <vladimir.kondratiev@intel.com>
Co-developed-by: Gregory CLEMENT <gregory.clement@bootlin.com>
Signed-off-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
---
 arch/mips/kernel/traps.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index c3cc6fff9d80a..075bb08543eca 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -2293,7 +2293,7 @@  static const char panic_null_cerr[] =
 void set_uncached_handler(unsigned long offset, void *addr,
 	unsigned long size)
 {
-	unsigned long uncached_ebase = CKSEG1ADDR(ebase);
+	unsigned long uncached_ebase = CKSEG1ADDR_OR_64BIT(__pa(ebase));
 
 	if (!addr)
 		panic(panic_null_cerr);