I think the header file could avoid redefinition errors.
at compile time by adding macro definitions.
Signed-off-by: Li zeming <[email protected]>
---
drivers/accessibility/speakup/speakup_acnt.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/accessibility/speakup/speakup_acnt.h b/drivers/accessibility/speakup/speakup_acnt.h
index cffa938ae580..cea05d770f6d 100644
--- a/drivers/accessibility/speakup/speakup_acnt.h
+++ b/drivers/accessibility/speakup/speakup_acnt.h
@@ -1,5 +1,7 @@
/* SPDX-License-Identifier: GPL-2.0 */
/* speakup_acntpc.h - header file for speakups Accent-PC driver. */
+#ifndef _SPEAKUP_ACNT_H
+#define _SPEAKUP_ACNT_H
#define SYNTH_IO_EXTENT 0x02
@@ -17,3 +19,4 @@
#define SYNTH_FULL 'F' /* synth is full. */
#define SYNTH_ALMOST_EMPTY 'M' /* synth has less than 2 seconds of text left */
#define SYNTH_SPEAKING 's' /* synth is speaking and has a fare way to go */
+#endif
--
2.18.2
Hello,
Li zeming, le mar. 05 juil. 2022 18:19:55 +0800, a ecrit:
> I think the header file could avoid redefinition errors.
> at compile time by adding macro definitions.
Redefining a macro to the same value is not a problem, but better have it
indeed.
> Signed-off-by: Li zeming <[email protected]>
Reviewed-by: Samuel Thibault <[email protected]>
Could you also patch speakup_dtlk.h the same way? Thanks.
Samuel
> ---
> drivers/accessibility/speakup/speakup_acnt.h | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/drivers/accessibility/speakup/speakup_acnt.h b/drivers/accessibility/speakup/speakup_acnt.h
> index cffa938ae580..cea05d770f6d 100644
> --- a/drivers/accessibility/speakup/speakup_acnt.h
> +++ b/drivers/accessibility/speakup/speakup_acnt.h
> @@ -1,5 +1,7 @@
> /* SPDX-License-Identifier: GPL-2.0 */
> /* speakup_acntpc.h - header file for speakups Accent-PC driver. */
> +#ifndef _SPEAKUP_ACNT_H
> +#define _SPEAKUP_ACNT_H
>
> #define SYNTH_IO_EXTENT 0x02
>
> @@ -17,3 +19,4 @@
> #define SYNTH_FULL 'F' /* synth is full. */
> #define SYNTH_ALMOST_EMPTY 'M' /* synth has less than 2 seconds of text left */
> #define SYNTH_SPEAKING 's' /* synth is speaking and has a fare way to go */
> +#endif
> --
> 2.18.2
>
Thank you very much for your approval.
I continue to add macros to speakup_dtlk.h and any header files I could add.