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i2c: designware: Don't use internal ___constant_swab32

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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>
This commit is contained in:
Jarkko Nikula 2018-06-19 14:23:20 +03:00 committed by Wolfram Sang
parent 3aca0bd6f4
commit 83b2cb48cb
1 changed files with 2 additions and 1 deletions
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3
drivers/i2c/busses/i2c-designware-common.c
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@ -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)) {