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Subject[PATCH] mmc: mxmmc: include linux/highmem.h
The highmem conversion caused a build error in some configurations:

drivers/mmc/host/mxcmmc.c: In function 'mxcmci_transfer_data':
drivers/mmc/host/mxcmmc.c:622:10: error: implicit declaration of function 'kmap_atomic'; did you mean 'in_atomic'? [-Werror=implicit-function-declaration]

This includes the correct header file.

Fixes: b189e7589f6d ("mmc: mxcmmc: handle highmem pages")
Signed-off-by: Arnd Bergmann <>
drivers/mmc/host/mxcmmc.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/mmc/host/mxcmmc.c b/drivers/mmc/host/mxcmmc.c
index 150fbdba777d..d62bf7efce13 100644
--- a/drivers/mmc/host/mxcmmc.c
+++ b/drivers/mmc/host/mxcmmc.c
@@ -21,6 +21,7 @@
#include <linux/init.h>
#include <linux/ioport.h>
#include <linux/platform_device.h>
+#include <linux/highmem.h>
#include <linux/interrupt.h>
#include <linux/irq.h>
#include <linux/blkdev.h>
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