memremap() is declared in linux/io.h, not in asm/io.h, so we should
include that header to avoid build errors:

drivers/platform/x86/dcdbas.c: In function 'dcdbas_check_wsmt':
drivers/platform/x86/dcdbas.c:572:15: error: implicit declaration of function 
'memremap'; did you mean 'ioremap'? [-Werror=implicit-function-declaration]
  eps_buffer = memremap(eps->smm_comm_buff_addr, remap_size, MEMREMAP_WB);
               ^~~~~~~~
               ioremap
drivers/platform/x86/dcdbas.c:572:61: error: 'MEMREMAP_WB' undeclared (first 
use in this function)
  eps_buffer = memremap(eps->smm_comm_buff_addr, remap_size, MEMREMAP_WB);
                                                             ^~~~~~~~~~~
drivers/platform/x86/dcdbas.c:572:61: note: each undeclared identifier is 
reported only once for each function it appears in
drivers/platform/x86/dcdbas.c: In function 'dcdbas_exit':
drivers/platform/x86/dcdbas.c:748:3: error: implicit declaration of function 
'memunmap'; did you mean 'vm_munmap'? [-Werror=implicit-function-declaration]

Fixes: 12c956c4f32e ("firmware: dcdbas: Add support for WSMT ACPI table")
Signed-off-by: Arnd Bergmann <a...@arndb.de>
---
 drivers/platform/x86/dcdbas.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/platform/x86/dcdbas.c b/drivers/platform/x86/dcdbas.c
index ae28e48ff7dc..daa7e3574568 100644
--- a/drivers/platform/x86/dcdbas.c
+++ b/drivers/platform/x86/dcdbas.c
@@ -37,7 +37,7 @@
 #include <linux/string.h>
 #include <linux/types.h>
 #include <linux/mutex.h>
-#include <asm/io.h>
+#include <linux/io.h>
 
 #include "dcdbas.h"
 
-- 
2.18.0

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