Re: [Qemu-devel] [PATCH] i2c: Move typedef of bitbang_i2c_interface to i2c.h

[David Gibson]

On Wed, Nov 28, 2018 at 08:27:06PM +0100, BALATON Zoltan wrote:
> Clang 3.4 considers duplicate typedef in ppc4xx_i2c.h and
> bitbang_i2c.h an error even if they are identical. Move it to a common
> place to allow building with this clang version.
> 
> Reported-by: Thomas Huth <address@hidden>
> Signed-off-by: BALATON Zoltan <address@hidden>

Acked-by: David Gibson <address@hidden>

> ---
>  hw/i2c/bitbang_i2c.h        | 2 --
>  include/hw/i2c/i2c.h        | 2 ++
>  include/hw/i2c/ppc4xx_i2c.h | 3 ---
>  3 files changed, 2 insertions(+), 5 deletions(-)
> 
> diff --git a/hw/i2c/bitbang_i2c.h b/hw/i2c/bitbang_i2c.h
> index 3a7126d5de..9443021710 100644
> --- a/hw/i2c/bitbang_i2c.h
> +++ b/hw/i2c/bitbang_i2c.h
> @@ -3,8 +3,6 @@
>  
>  #include "hw/i2c/i2c.h"
>  
> -typedef struct bitbang_i2c_interface bitbang_i2c_interface;
> -
>  #define BITBANG_I2C_SDA 0
>  #define BITBANG_I2C_SCL 1
>  
> diff --git a/include/hw/i2c/i2c.h b/include/hw/i2c/i2c.h
> index 5dc166158b..cf4c45a98f 100644
> --- a/include/hw/i2c/i2c.h
> +++ b/include/hw/i2c/i2c.h
> @@ -82,6 +82,8 @@ int i2c_recv(I2CBus *bus);
>  
>  DeviceState *i2c_create_slave(I2CBus *bus, const char *name, uint8_t addr);
>  
> +typedef struct bitbang_i2c_interface bitbang_i2c_interface;
> +
>  /* lm832x.c */
>  void lm832x_key_event(DeviceState *dev, int key, int state);
>  
> diff --git a/include/hw/i2c/ppc4xx_i2c.h b/include/hw/i2c/ppc4xx_i2c.h
> index 0891a9c948..b3450bacf7 100644
> --- a/include/hw/i2c/ppc4xx_i2c.h
> +++ b/include/hw/i2c/ppc4xx_i2c.h
> @@ -31,9 +31,6 @@
>  #include "hw/sysbus.h"
>  #include "hw/i2c/i2c.h"
>  
> -/* from hw/i2c/bitbang_i2c.h */
> -typedef struct bitbang_i2c_interface bitbang_i2c_interface;
> -
>  #define TYPE_PPC4xx_I2C "ppc4xx-i2c"
>  #define PPC4xx_I2C(obj) OBJECT_CHECK(PPC4xxI2CState, (obj), TYPE_PPC4xx_I2C)
>  

-- 
David Gibson                    | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au  | minimalist, thank you.  NOT _the_ _other_
                                | _way_ _around_!
http://www.ozlabs.org/~dgibson

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