common/console.c: discard volatile
authorHeinrich Schuchardt <xypron.glpk@gmx.de>
Wed, 12 Feb 2020 17:23:49 +0000 (18:23 +0100)
committerTom Rini <trini@konsulko.com>
Thu, 13 Feb 2020 15:10:50 +0000 (10:10 -0500)
Avoid errors of like

common/console.c: In function ‘console_record_reset’:
common/console.c:615:16: error: passing argument 1 of ‘membuff_purge’
discards ‘volatile’ qualifier from pointer target type
[-Werror=discarded-qualifiers]
  615 |  membuff_purge(&gd->console_out);
      |                ^~~~~~~~~~~~~~~~

by casting to non-volatile.

The volatile property stems from declarations like

arch/arm/include/asm/global_data.h:114:

But there is no need to treat gd->console_out and gd->console_in as
volatile in the context of common/console.c.

Fixes: b612312816ff ("console: Add a function to read a line of the output / eof")
Signed-off-by: Heinrich Schuchardt <xypron.glpk@gmx.de>
Reviewed-by: Simon Glass <sjg@chromium.org>
common/console.c

index 7681da19a2f8b2b7780af672da0721f8183f02fc..e398530a138c4c7f8d87ab926c696afa95e5b1f8 100644 (file)
@@ -401,7 +401,7 @@ int getc(void)
        if (gd->console_in.start) {
                int ch;
 
-               ch = membuff_getbyte(&gd->console_in);
+               ch = membuff_getbyte((struct membuff *)&gd->console_in);
                if (ch != -1)
                        return 1;
        }
@@ -426,7 +426,7 @@ int tstc(void)
                return 0;
 #ifdef CONFIG_CONSOLE_RECORD
        if (gd->console_in.start) {
-               if (membuff_peekbyte(&gd->console_in) != -1)
+               if (membuff_peekbyte((struct membuff *)&gd->console_in) != -1)
                        return 1;
        }
 #endif
@@ -518,7 +518,7 @@ void putc(const char c)
                return;
 #ifdef CONFIG_CONSOLE_RECORD
        if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start)
-               membuff_putbyte(&gd->console_out, c);
+               membuff_putbyte((struct membuff *)&gd->console_out, c);
 #endif
 #ifdef CONFIG_SILENT_CONSOLE
        if (gd->flags & GD_FLG_SILENT) {
@@ -569,7 +569,7 @@ void puts(const char *s)
                return;
 #ifdef CONFIG_CONSOLE_RECORD
        if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start)
-               membuff_put(&gd->console_out, s, strlen(s));
+               membuff_put((struct membuff *)&gd->console_out, s, strlen(s));
 #endif
 #ifdef CONFIG_SILENT_CONSOLE
        if (gd->flags & GD_FLG_SILENT) {
@@ -602,18 +602,20 @@ int console_record_init(void)
 {
        int ret;
 
-       ret = membuff_new(&gd->console_out, CONFIG_CONSOLE_RECORD_OUT_SIZE);
+       ret = membuff_new((struct membuff *)&gd->console_out,
+                         CONFIG_CONSOLE_RECORD_OUT_SIZE);
        if (ret)
                return ret;
-       ret = membuff_new(&gd->console_in, CONFIG_CONSOLE_RECORD_IN_SIZE);
+       ret = membuff_new((struct membuff *)&gd->console_in,
+                         CONFIG_CONSOLE_RECORD_IN_SIZE);
 
        return ret;
 }
 
 void console_record_reset(void)
 {
-       membuff_purge(&gd->console_out);
-       membuff_purge(&gd->console_in);
+       membuff_purge((struct membuff *)&gd->console_out);
+       membuff_purge((struct membuff *)&gd->console_in);
 }
 
 void console_record_reset_enable(void)
@@ -624,12 +626,13 @@ void console_record_reset_enable(void)
 
 int console_record_readline(char *str, int maxlen)
 {
-       return membuff_readline(&gd->console_out, str, maxlen, ' ');
+       return membuff_readline((struct membuff *)&gd->console_out, str,
+                               maxlen, ' ');
 }
 
 int console_record_avail(void)
 {
-       return membuff_avail(&gd->console_out);
+       return membuff_avail((struct membuff *)&gd->console_out);
 }
 
 #endif