[Outreachy kernel] [PATCH] Staging: media: atomisp: pci: Eliminate use of typedefs for struct

Julia Lawall julia.lawall at lip6.fr
Sat Oct 7 16:14:44 UTC 2017



On Sat, 7 Oct 2017, Srishti Sharma wrote:

> The use of typedefs for struct is discouraged, and hence can be
> eliminated. Done using the following semantic patch by coccinelle.
>
> @r1@
> type T;
> @@
>
> typedef struct {...} T;
>
> @script: python p@
> T << r1.T;
> T1;
> @@
>
> if T[-2:] == "_t" or T[-2:] == "_T":
>         coccinelle.T1 = T[:-2]
> else:
>         coccinelle.T1 = T
>
> print T, T1
> @r2@
> type r1.T;
> identifier p.T1;
> @@
>
> - typedef
> struct
> + T1
> {
> ...
> }
> - T
> ;
>
> @r3@
> type r1.T;
> identifier p.T1;
> @@
>
> - T
> + struct T1
>
> Signed-off-by: Srishti Sharma <srishtishar at gmail.com>

Acked-by: Julia Lawall <julia.lawall at lip6.fr>

> ---
>  .../media/atomisp/pci/atomisp2/css2400/runtime/spctrl/src/spctrl.c  | 6 +++---
>  1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/spctrl/src/spctrl.c b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/spctrl/src/spctrl.c
> index d9178e8..6d9bceb 100644
> --- a/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/spctrl/src/spctrl.c
> +++ b/drivers/staging/media/atomisp/pci/atomisp2/css2400/runtime/spctrl/src/spctrl.c
> @@ -37,7 +37,7 @@ more details.
>  #include "ia_css_spctrl.h"
>  #include "ia_css_debug.h"
>
> -typedef struct {
> +struct spctrl_context_info {
>  	struct ia_css_sp_init_dmem_cfg dmem_config;
>  	uint32_t        spctrl_config_dmem_addr; /** location of dmem_cfg  in SP dmem */
>  	uint32_t        spctrl_state_dmem_addr;
> @@ -45,9 +45,9 @@ typedef struct {
>  	hrt_vaddress    code_addr;          /* sp firmware location in host mem-DDR*/
>  	uint32_t        code_size;
>  	char           *program_name;       /* used in case of PLATFORM_SIM */
> -} spctrl_context_info;
> +};
>
> -static spctrl_context_info spctrl_cofig_info[N_SP_ID];
> +static struct spctrl_context_info spctrl_cofig_info[N_SP_ID];
>  static bool spctrl_loaded[N_SP_ID] = {0};
>
>  /* Load firmware */
> --
> 2.7.4
>
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