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Subject[PATCH v2] i2c: jz4780: Fix build for m68k and sparc64

drivers/i2c/busses/i2c-jz4780.c: In function 'jz4780_i2c_readw':
drivers/i2c/busses/i2c-jz4780.c:181:2: error:
implicit declaration of function 'readw'
drivers/i2c/busses/i2c-jz4780.c: In function 'jz4780_i2c_writew':
drivers/i2c/busses/i2c-jz4780.c:187:2: error:
implicit declaration of function 'writew'

seen with sparc64:allmodconfig and m68k:allmodconfig.

The driver has to include linux/io.h.

Fixes: ba92222ed63a ("i2c: jz4780: Add i2c bus controller driver
for Ingenic JZ4780")
Cc: Zubair Lutfullah Kakakhel <>
Signed-off-by: Guenter Roeck <>
v2: HAS_IOMEM dependency already existed
Fixed include file order

drivers/i2c/busses/i2c-jz4780.c | 1 +
1 file changed, 1 insertion(+)

diff --git a/drivers/i2c/busses/i2c-jz4780.c b/drivers/i2c/busses/i2c-jz4780.c
index ce1d69324169..19b2d689a5ef 100644
--- a/drivers/i2c/busses/i2c-jz4780.c
+++ b/drivers/i2c/busses/i2c-jz4780.c
@@ -23,6 +23,7 @@
#include <linux/i2c.h>
#include <linux/init.h>
#include <linux/interrupt.h>
+#include <linux/io.h>
#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/platform_device.h>

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