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* [PATCH] staging: hikey9xx: Remove defined but unused macros
@ 2021-05-23 17:27 Fabio M. De Francesco
  2021-05-25 16:24 ` Greg Kroah-Hartman
  0 siblings, 1 reply; 2+ messages in thread
From: Fabio M. De Francesco @ 2021-05-23 17:27 UTC (permalink / raw)
  To: Mauro Carvalho Chehab, Greg Kroah-Hartman, linux-staging,
	linux-kernel
  Cc: Fabio M. De Francesco

Removed defined but unused macros. Issue detected by GCC running with
-Wunused-macro warning option set.

Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
---
 drivers/staging/hikey9xx/hisi-spmi-controller.c | 9 ---------
 1 file changed, 9 deletions(-)

diff --git a/drivers/staging/hikey9xx/hisi-spmi-controller.c b/drivers/staging/hikey9xx/hisi-spmi-controller.c
index 0d42bc65f39b..b64594e2a84b 100644
--- a/drivers/staging/hikey9xx/hisi-spmi-controller.c
+++ b/drivers/staging/hikey9xx/hisi-spmi-controller.c
@@ -21,16 +21,10 @@
 #define SPMI_APB_SPMI_CMD_BASE_ADDR			0x0100
 
 #define SPMI_APB_SPMI_WDATA0_BASE_ADDR			0x0104
-#define SPMI_APB_SPMI_WDATA1_BASE_ADDR			0x0108
-#define SPMI_APB_SPMI_WDATA2_BASE_ADDR			0x010c
-#define SPMI_APB_SPMI_WDATA3_BASE_ADDR			0x0110
 
 #define SPMI_APB_SPMI_STATUS_BASE_ADDR			0x0200
 
 #define SPMI_APB_SPMI_RDATA0_BASE_ADDR			0x0204
-#define SPMI_APB_SPMI_RDATA1_BASE_ADDR			0x0208
-#define SPMI_APB_SPMI_RDATA2_BASE_ADDR			0x020c
-#define SPMI_APB_SPMI_RDATA3_BASE_ADDR			0x0210
 
 #define SPMI_PER_DATAREG_BYTE				4
 /*
@@ -64,9 +58,6 @@ enum spmi_controller_cmd_op_code {
 #define SPMI_APB_TRANS_DONE			BIT(0)
 #define SPMI_APB_TRANS_FAIL			BIT(2)
 
-/* Command register fields */
-#define SPMI_CONTROLLER_CMD_MAX_BYTE_COUNT	16
-
 /* Maximum number of support PMIC peripherals */
 #define SPMI_CONTROLLER_TIMEOUT_US		1000
 #define SPMI_CONTROLLER_MAX_TRANS_BYTES		16
-- 
2.31.1


^ permalink raw reply related	[flat|nested] 2+ messages in thread

* Re: [PATCH] staging: hikey9xx: Remove defined but unused macros
  2021-05-23 17:27 [PATCH] staging: hikey9xx: Remove defined but unused macros Fabio M. De Francesco
@ 2021-05-25 16:24 ` Greg Kroah-Hartman
  0 siblings, 0 replies; 2+ messages in thread
From: Greg Kroah-Hartman @ 2021-05-25 16:24 UTC (permalink / raw)
  To: Fabio M. De Francesco; +Cc: Mauro Carvalho Chehab, linux-staging, linux-kernel

On Sun, May 23, 2021 at 07:27:09PM +0200, Fabio M. De Francesco wrote:
> Removed defined but unused macros. Issue detected by GCC running with
> -Wunused-macro warning option set.
> 
> Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
> ---
>  drivers/staging/hikey9xx/hisi-spmi-controller.c | 9 ---------
>  1 file changed, 9 deletions(-)
> 
> diff --git a/drivers/staging/hikey9xx/hisi-spmi-controller.c b/drivers/staging/hikey9xx/hisi-spmi-controller.c
> index 0d42bc65f39b..b64594e2a84b 100644
> --- a/drivers/staging/hikey9xx/hisi-spmi-controller.c
> +++ b/drivers/staging/hikey9xx/hisi-spmi-controller.c
> @@ -21,16 +21,10 @@
>  #define SPMI_APB_SPMI_CMD_BASE_ADDR			0x0100
>  
>  #define SPMI_APB_SPMI_WDATA0_BASE_ADDR			0x0104
> -#define SPMI_APB_SPMI_WDATA1_BASE_ADDR			0x0108
> -#define SPMI_APB_SPMI_WDATA2_BASE_ADDR			0x010c
> -#define SPMI_APB_SPMI_WDATA3_BASE_ADDR			0x0110
>  
>  #define SPMI_APB_SPMI_STATUS_BASE_ADDR			0x0200
>  
>  #define SPMI_APB_SPMI_RDATA0_BASE_ADDR			0x0204
> -#define SPMI_APB_SPMI_RDATA1_BASE_ADDR			0x0208
> -#define SPMI_APB_SPMI_RDATA2_BASE_ADDR			0x020c
> -#define SPMI_APB_SPMI_RDATA3_BASE_ADDR			0x0210
>  
>  #define SPMI_PER_DATAREG_BYTE				4
>  /*
> @@ -64,9 +58,6 @@ enum spmi_controller_cmd_op_code {
>  #define SPMI_APB_TRANS_DONE			BIT(0)
>  #define SPMI_APB_TRANS_FAIL			BIT(2)
>  
> -/* Command register fields */
> -#define SPMI_CONTROLLER_CMD_MAX_BYTE_COUNT	16
> -
>  /* Maximum number of support PMIC peripherals */
>  #define SPMI_CONTROLLER_TIMEOUT_US		1000
>  #define SPMI_CONTROLLER_MAX_TRANS_BYTES		16
> -- 
> 2.31.1
> 
> 

Leaving macros that are not used are fine to keep around, it documents
the hardware.

That's a pretty foolish gcc warning :(


thanks,

greg k-h

^ permalink raw reply	[flat|nested] 2+ messages in thread

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