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authorJarkko Nikula <jarkko.nikula@linux.intel.com>2018-06-19 13:23:20 +0200
committerWolfram Sang <wsa@the-dreams.de>2018-07-03 23:05:27 +0200
commit83b2cb48cbc5c4196fcc9357836f30713f74dbc2 (patch)
treeaaabdcb8c9a34edbc13dbf59ee5f365732c71853 /drivers/i2c/busses/i2c-designware-common.c
parenti2c: designware: Move register access detection to common code (diff)
downloadlinux-83b2cb48cbc5c4196fcc9357836f30713f74dbc2.tar.xz
linux-83b2cb48cbc5c4196fcc9357836f30713f74dbc2.zip
i2c: designware: Don't use internal ___constant_swab32
It looks ___constant_swab32 is an internal byte swap detail. Switch to swap32() and include header file for it explicitly. Now it comes implicitly via linux/i2c.h include. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Diffstat (limited to 'drivers/i2c/busses/i2c-designware-common.c')
-rw-r--r--drivers/i2c/busses/i2c-designware-common.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/i2c/busses/i2c-designware-common.c b/drivers/i2c/busses/i2c-designware-common.c
index d1c93acabfcf..59156046f2d0 100644
--- a/drivers/i2c/busses/i2c-designware-common.c
+++ b/drivers/i2c/busses/i2c-designware-common.c
@@ -31,6 +31,7 @@
#include <linux/io.h>
#include <linux/module.h>
#include <linux/pm_runtime.h>
+#include <linux/swab.h>
#include "i2c-designware-core.h"
@@ -113,7 +114,7 @@ int i2c_dw_set_reg_access(struct dw_i2c_dev *dev)
reg = dw_readl(dev, DW_IC_COMP_TYPE);
i2c_dw_release_lock(dev);
- if (reg == ___constant_swab32(DW_IC_COMP_TYPE_VALUE)) {
+ if (reg == swab32(DW_IC_COMP_TYPE_VALUE)) {
/* Configure register endianess access */
dev->flags |= ACCESS_SWAP;
} else if (reg == (DW_IC_COMP_TYPE_VALUE & 0x0000ffff)) {