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MFD: mcp-core: fix mcp_priv() to be more type safe

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mcp_priv() does unexpected things when passed a void pointer.  Make it
a typed inline function, which ensures that it works correctly in
these cases.

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Russell King
2012-01-21 09:28:53 +00:00
parent 9825022169
commit 2a7f51a3e0
1 changed files with 4 additions and 1 deletions
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5
include/linux/mfd/mcp.h
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@@ -64,6 +64,9 @@ void mcp_driver_unregister(struct mcp_driver *);
#define mcp_get_drvdata(mcp) dev_get_drvdata(&(mcp)->attached_device) #define mcp_get_drvdata(mcp) dev_get_drvdata(&(mcp)->attached_device)
#define mcp_set_drvdata(mcp,d) dev_set_drvdata(&(mcp)->attached_device, d) #define mcp_set_drvdata(mcp,d) dev_set_drvdata(&(mcp)->attached_device, d)
#define mcp_priv(mcp) ((void *)((mcp)+1)) static inline void *mcp_priv(struct mcp *mcp)
{
return mcp + 1;
}
#endif #endif