sparse: incorrect type in argument 2 (different address spaces) @@
expected void volatile [noderef] __iomem *mem @@
got unsigned int [usertype] *

Reported-by: kernel test robot <lkp@intel.com>
Closes: https://lore.kernel.org/oe-kbuild-all/202105261445.AcvPd2EE-lkp@intel.com/
Fixes: baec970aa5ba ("mips: Add N64 machine type")
Signed-off-by: Rosen Penev <rosenp@gmail.com>
---
 arch/mips/n64/init.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/mips/n64/init.c b/arch/mips/n64/init.c
index dfbd864f4667..66ec28ab41f3 100644
--- a/arch/mips/n64/init.c
+++ b/arch/mips/n64/init.c
@@ -50,7 +50,7 @@ void __init prom_init(void)
 
 #define W 320
 #define H 240
-#define REG_BASE ((u32 *) CKSEG1ADDR(0x4400000))
+#define REG_BASE ((u32 __iomem *) CKSEG1ADDR(0x4400000))
 
 static void __init n64rdp_write_reg(const u8 reg, const u32 value)
 {
-- 
2.54.0

On Fri, May 08, 2026 at 08:57:27PM -0700, Rosen Penev wrote:
> sparse: incorrect type in argument 2 (different address spaces) @@
> expected void volatile [noderef] __iomem *mem @@
> got unsigned int [usertype] *
> 
> Reported-by: kernel test robot <lkp@intel.com>
> Closes: https://lore.kernel.org/oe-kbuild-all/202105261445.AcvPd2EE-lkp@intel.com/
> Fixes: baec970aa5ba ("mips: Add N64 machine type")
> Signed-off-by: Rosen Penev <rosenp@gmail.com>
> ---
>  arch/mips/n64/init.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)

applied to mips-next

Thomas.

-- 
Crap can work. Given enough thrust pigs will fly, but it's not necessarily a
good idea.                                                [ RFC1925, 2.3 ]