console: remove #ifdef CONFIG when it is possible

Remove #ifdef or #ifndef for CONFIG when it is possible to simplify
the console.c code and respect the U-Boot coding rules.

Signed-off-by: Patrick Delaunay <patrick.delaunay@st.com>
Signed-off-by: Patrick Delaunay <patrick.delaunay@foss.st.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

diff --git a/common/console.c b/common/console.c
index c3d552b..d225fdd 100644 (file)
--- a/common/console.c
+++ b/common/console.c
@@ -44,14 +44,15 @@ static int on_console(const char *name, const char *value, enum env_op op,
        case env_op_create:
        case env_op_overwrite:
 
-#if CONFIG_IS_ENABLED(CONSOLE_MUX)
-               if (iomux_doenv(console, value))
-                       return 1;
-#else
-               /* Try assigning specified device */
-               if (console_assign(console, value) < 0)
-                       return 1;
-#endif
+               if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
+                       if (iomux_doenv(console, value))
+                               return 1;
+               } else {
+                       /* Try assigning specified device */
+                       if (console_assign(console, value) < 0)
+                               return 1;
+               }
+
                return 0;
 
        case env_op_delete:
@@ -69,14 +70,13 @@ U_BOOT_ENV_CALLBACK(console, on_console);
 static int on_silent(const char *name, const char *value, enum env_op op,
        int flags)
 {
-#if !CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_SET)
-       if (flags & H_INTERACTIVE)
-               return 0;
-#endif
-#if !CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_RELOC)
-       if ((flags & H_INTERACTIVE) == 0)
-               return 0;
-#endif
+       if (!CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_SET))
+               if (flags & H_INTERACTIVE)
+                       return 0;
+
+       if (!CONFIG_IS_ENABLED(SILENT_CONSOLE_UPDATE_ON_RELOC))
+               if ((flags & H_INTERACTIVE) == 0)
+                       return 0;
 
        if (value != NULL)
                gd->flags |= GD_FLG_SILENT;
@@ -159,14 +159,13 @@ static bool console_dev_is_serial(struct stdio_dev *sdev)
 {
        bool is_serial;
 
-#ifdef CONFIG_DM_SERIAL
-       if (sdev->flags & DEV_FLAGS_DM) {
+       if (IS_ENABLED(CONFIG_DM_SERIAL) && (sdev->flags & DEV_FLAGS_DM)) {
                struct udevice *dev = sdev->priv;
 
                is_serial = device_get_uclass_id(dev) == UCLASS_SERIAL;
-       } else
-#endif
-       is_serial = !strcmp(sdev->name, "serial");
+       } else {
+               is_serial = !strcmp(sdev->name, "serial");
+       }
 
        return is_serial;
 }
@@ -350,13 +349,12 @@ int fgetc(int file)
                        if (console_tstc(file))
                                return console_getc(file);
 #endif
-#ifdef CONFIG_WATCHDOG
                        /*
                         * If the watchdog must be rate-limited then it should
                         * already be handled in board-specific code.
                         */
-                        udelay(1);
-#endif
+                       if (IS_ENABLED(CONFIG_WATCHDOG))
+                               udelay(1);
                }
        }
 
@@ -406,10 +404,8 @@ int fprintf(int file, const char *fmt, ...)
 
 int getchar(void)
 {
-#ifdef CONFIG_DISABLE_CONSOLE
-       if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+       if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
                return 0;
-#endif
 
        if (!gd->have_console)
                return 0;
@@ -434,10 +430,8 @@ int getchar(void)
 
 int tstc(void)
 {
-#ifdef CONFIG_DISABLE_CONSOLE
-       if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+       if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
                return 0;
-#endif
 
        if (!gd->have_console)
                return 0;
@@ -485,10 +479,8 @@ static void print_pre_console_buffer(int flushpoint)
        char buf_out[CONFIG_PRE_CON_BUF_SZ + 1];
        char *buf_in;
 
-#ifdef CONFIG_SILENT_CONSOLE
-       if (gd->flags & GD_FLG_SILENT)
+       if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT))
                return;
-#endif
 
        buf_in = map_sysmem(CONFIG_PRE_CON_BUF_ADDR, CONFIG_PRE_CON_BUF_SZ);
        if (gd->precon_buf_idx > CONFIG_PRE_CON_BUF_SZ)
@@ -523,32 +515,26 @@ void putc(const char c)
        if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start)
                membuff_putbyte((struct membuff *)&gd->console_out, c);
 #endif
-#ifdef CONFIG_SANDBOX
        /* sandbox can send characters to stdout before it has a console */
-       if (!(gd->flags & GD_FLG_SERIAL_READY)) {
+       if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) {
                os_putc(c);
                return;
        }
-#endif
-#ifdef CONFIG_DEBUG_UART
+
        /* if we don't have a console yet, use the debug UART */
-       if (!(gd->flags & GD_FLG_SERIAL_READY)) {
+       if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) {
                printch(c);
                return;
        }
-#endif
-#ifdef CONFIG_SILENT_CONSOLE
-       if (gd->flags & GD_FLG_SILENT) {
+
+       if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) {
                if (!(gd->flags & GD_FLG_DEVINIT))
                        pre_console_putc(c);
                return;
        }
-#endif
 
-#ifdef CONFIG_DISABLE_CONSOLE
-       if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+       if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
                return;
-#endif
 
        if (!gd->have_console)
                return pre_console_putc(c);
@@ -571,15 +557,13 @@ void puts(const char *s)
        if ((gd->flags & GD_FLG_RECORD) && gd->console_out.start)
                membuff_put((struct membuff *)&gd->console_out, s, strlen(s));
 #endif
-#ifdef CONFIG_SANDBOX
        /* sandbox can send characters to stdout before it has a console */
-       if (!(gd->flags & GD_FLG_SERIAL_READY)) {
+       if (IS_ENABLED(CONFIG_SANDBOX) && !(gd->flags & GD_FLG_SERIAL_READY)) {
                os_puts(s);
                return;
        }
-#endif
-#ifdef CONFIG_DEBUG_UART
-       if (!(gd->flags & GD_FLG_SERIAL_READY)) {
+
+       if (IS_ENABLED(CONFIG_DEBUG_UART) && !(gd->flags & GD_FLG_SERIAL_READY)) {
                while (*s) {
                        int ch = *s++;
 
@@ -587,19 +571,15 @@ void puts(const char *s)
                }
                return;
        }
-#endif
-#ifdef CONFIG_SILENT_CONSOLE
-       if (gd->flags & GD_FLG_SILENT) {
+
+       if (IS_ENABLED(CONFIG_SILENT_CONSOLE) && (gd->flags & GD_FLG_SILENT)) {
                if (!(gd->flags & GD_FLG_DEVINIT))
                        pre_console_puts(s);
                return;
        }
-#endif
 
-#ifdef CONFIG_DISABLE_CONSOLE
-       if (gd->flags & GD_FLG_DISABLE_CONSOLE)
+       if (IS_ENABLED(CONFIG_DISABLE_CONSOLE) && (gd->flags & GD_FLG_DISABLE_CONSOLE))
                return;
-#endif
 
        if (!gd->have_console)
                return pre_console_puts(s);
@@ -772,19 +752,19 @@ int console_assign(int file, const char *devname)
 /* return true if the 'silent' flag is removed */
 static bool console_update_silent(void)
 {
-#ifdef CONFIG_SILENT_CONSOLE
-       if (env_get("silent")) {
-               gd->flags |= GD_FLG_SILENT;
-       } else {
-               unsigned long flags = gd->flags;
+       unsigned long flags = gd->flags;
 
-               gd->flags &= ~GD_FLG_SILENT;
+       if (!IS_ENABLED(CONFIG_SILENT_CONSOLE))
+               return false;
 
-               return !!(flags & GD_FLG_SILENT);
+       if (env_get("silent")) {
+               gd->flags |= GD_FLG_SILENT;
+               return false;
        }
-#endif
 
-       return false;
+       gd->flags &= ~GD_FLG_SILENT;
+
+       return !!(flags & GD_FLG_SILENT);
 }
 
 int console_announce_r(void)
@@ -843,12 +823,8 @@ int console_init_r(void)
 {
        char *stdinname, *stdoutname, *stderrname;
        struct stdio_dev *inputdev = NULL, *outputdev = NULL, *errdev = NULL;
-#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
        int i;
-#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
-#if CONFIG_IS_ENABLED(CONSOLE_MUX)
        int iomux_err = 0;
-#endif
        int flushpoint;
 
        /* update silent for env loaded from flash (initr_env) */
@@ -874,14 +850,14 @@ int console_init_r(void)
                inputdev  = search_device(DEV_FLAGS_INPUT,  stdinname);
                outputdev = search_device(DEV_FLAGS_OUTPUT, stdoutname);
                errdev    = search_device(DEV_FLAGS_OUTPUT, stderrname);
-#if CONFIG_IS_ENABLED(CONSOLE_MUX)
-               iomux_err = iomux_doenv(stdin, stdinname);
-               iomux_err += iomux_doenv(stdout, stdoutname);
-               iomux_err += iomux_doenv(stderr, stderrname);
-               if (!iomux_err)
-                       /* Successful, so skip all the code below. */
-                       goto done;
-#endif
+               if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
+                       iomux_err = iomux_doenv(stdin, stdinname);
+                       iomux_err += iomux_doenv(stdout, stdoutname);
+                       iomux_err += iomux_doenv(stderr, stderrname);
+                       if (!iomux_err)
+                               /* Successful, so skip all the code below. */
+                               goto done;
+               }
        }
        /* if the devices are overwritten or not found, use default device */
        if (inputdev == NULL) {
@@ -907,25 +883,22 @@ int console_init_r(void)
                console_doenv(stdin, inputdev);
        }
 
-#if CONFIG_IS_ENABLED(CONSOLE_MUX)
 done:
-#endif
 
-#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
-       stdio_print_current_devices();
-#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
+       if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET))
+               stdio_print_current_devices();
+
 #ifdef CONFIG_VIDCONSOLE_AS_LCD
        if (strstr(stdoutname, CONFIG_VIDCONSOLE_AS_NAME))
                printf("Warning: Please change '%s' to 'vidconsole' in stdout/stderr environment vars\n",
                       CONFIG_VIDCONSOLE_AS_NAME);
 #endif
 
-#ifdef CONFIG_SYS_CONSOLE_ENV_OVERWRITE
-       /* set the environment variables (will overwrite previous env settings) */
-       for (i = 0; i < MAX_FILES; i++) {
-               env_set(stdio_names[i], stdio_devices[i]->name);
+       if (IS_ENABLED(CONFIG_SYS_CONSOLE_ENV_OVERWRITE)) {
+               /* set the environment variables (will overwrite previous env settings) */
+               for (i = 0; i < MAX_FILES; i++)
+                       env_set(stdio_names[i], stdio_devices[i]->name);
        }
-#endif /* CONFIG_SYS_CONSOLE_ENV_OVERWRITE */
 
        gd->flags |= GD_FLG_DEVINIT;    /* device initialization completed */
 
@@ -956,18 +929,16 @@ int console_init_r(void)
        else
                flushpoint = PRE_CONSOLE_FLUSHPOINT2_EVERYTHING_BUT_SERIAL;
 
-#ifdef CONFIG_SPLASH_SCREEN
        /*
         * suppress all output if splash screen is enabled and we have
         * a bmp to display. We redirect the output from frame buffer
         * console to serial console in this case or suppress it if
         * "silent" mode was requested.
         */
-       if (env_get("splashimage") != NULL) {
+       if (IS_ENABLED(CONFIG_SPLASH_SCREEN) && env_get("splashimage")) {
                if (!(gd->flags & GD_FLG_SILENT))
                        outputdev = search_device (DEV_FLAGS_OUTPUT, "serial");
        }
-#endif
 
        /* Scan devices looking for input and output devices */
        list_for_each(pos, list) {
@@ -1001,9 +972,8 @@ int console_init_r(void)
 #endif
        }
 
-#ifndef CONFIG_SYS_CONSOLE_INFO_QUIET
-       stdio_print_current_devices();
-#endif /* CONFIG_SYS_CONSOLE_INFO_QUIET */
+       if (!IS_ENABLED(CONFIG_SYS_CONSOLE_INFO_QUIET))
+               stdio_print_current_devices();
 
        /* Setting environment variables */
        for (i = 0; i < MAX_FILES; i++) {