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stdio: Update to use compiler for Kconfig checks

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Drop use of the preprocessor where possible.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2020-08-11 11:23:39 -06:00 committed by Tom Rini
parent 3bcd0ced15
commit 5d4b6b1748
1 changed files with 82 additions and 88 deletions
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170
common/stdio.c
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@ -18,10 +18,7 @@
#include <stdio_dev.h>
#include <serial.h>
#include <splash.h>
#if defined(CONFIG_SYS_I2C)
#include <i2c.h>
#endif
#include <dm/device-internal.h>
@ -109,7 +106,6 @@ struct list_head* stdio_get_list(void)
return &(devs.list);
}
#ifdef CONFIG_DM_VIDEO
/**
* stdio_probe_device() - Find a device which provides the given stdio device
*
@ -160,7 +156,6 @@ static int stdio_probe_device(const char *name, enum uclass_id id,
return 0;
}
#endif
struct stdio_dev *stdio_get_by_name(const char *name)
{
@ -175,22 +170,23 @@ struct stdio_dev *stdio_get_by_name(const char *name)
if (strcmp(sdev->name, name) == 0)
return sdev;
}
#ifdef CONFIG_DM_VIDEO
/*
* We did not find a suitable stdio device. If there is a video
* driver with a name starting with 'vidconsole', we can try probing
* that in the hope that it will produce the required stdio device.
*
* This function is sometimes called with the entire value of
* 'stdout', which may include a list of devices separate by commas.
* Obviously this is not going to work, so we ignore that case. The
* call path in that case is console_init_r() -> search_device() ->
* stdio_get_by_name().
*/
if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') &&
!stdio_probe_device(name, UCLASS_VIDEO, &sdev))
return sdev;
#endif
if (IS_ENABLED(CONFIG_DM_VIDEO)) {
/*
* We did not find a suitable stdio device. If there is a video
* driver with a name starting with 'vidconsole', we can try
* probing that in the hope that it will produce the required
* stdio device.
*
* This function is sometimes called with the entire value of
* 'stdout', which may include a list of devices separate by
* commas. Obviously this is not going to work, so we ignore
* that case. The call path in that case is
* console_init_r() -> search_device() -> stdio_get_by_name()
*/
if (!strncmp(name, "vidconsole", 10) && !strchr(name, ',') &&
!stdio_probe_device(name, UCLASS_VIDEO, &sdev))
return sdev;
}
return NULL;
}
@ -234,7 +230,6 @@ int stdio_register(struct stdio_dev *dev)
/* deregister the device "devname".
* returns 0 if success, -1 if device is assigned and 1 if devname not found
*/
#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
int stdio_deregister_dev(struct stdio_dev *dev, int force)
{
int l;
@ -281,7 +276,6 @@ int stdio_deregister(const char *devname, int force)
return stdio_deregister_dev(dev, force);
}
#endif /* CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER) */
int stdio_init_tables(void)
{
@ -305,87 +299,87 @@ int stdio_init_tables(void)
int stdio_add_devices(void)
{
#ifdef CONFIG_DM_KEYBOARD
struct udevice *dev;
struct uclass *uc;
int ret;
/*
* For now we probe all the devices here. At some point this should be
* done only when the devices are required - e.g. we have a list of
* input devices to start up in the stdin environment variable. That
* work probably makes more sense when stdio itself is converted to
* driver model.
*
* TODO(sjg@chromium.org): Convert changing uclass_first_device() etc.
* to return the device even on error. Then we could use that here.
*/
ret = uclass_get(UCLASS_KEYBOARD, &uc);
if (ret)
return ret;
/* Don't report errors to the caller - assume that they are non-fatal */
uclass_foreach_dev(dev, uc) {
ret = device_probe(dev);
if (IS_ENABLED(CONFIG_DM_KEYBOARD)) {
/*
* For now we probe all the devices here. At some point this
* should be done only when the devices are required - e.g. we
* have a list of input devices to start up in the stdin
* environment variable. That work probably makes more sense
* when stdio itself is converted to driver model.
*
* TODO(sjg@chromium.org): Convert changing
* uclass_first_device() etc. to return the device even on
* error. Then we could use that here.
*/
ret = uclass_get(UCLASS_KEYBOARD, &uc);
if (ret)
printf("Failed to probe keyboard '%s'\n", dev->name);
return ret;
/*
* Don't report errors to the caller - assume that they are
* non-fatal
*/
uclass_foreach_dev(dev, uc) {
ret = device_probe(dev);
if (ret)
printf("Failed to probe keyboard '%s'\n",
dev->name);
}
}
#endif
#ifdef CONFIG_SYS_I2C
i2c_init_all();
#else
#endif
#ifdef CONFIG_DM_VIDEO
/*
* If the console setting is not in environment variables then
* console_init_r() will not be calling iomux_doenv() (which calls
* search_device()). So we will not dynamically add devices by
* calling stdio_probe_device().
*
* So just probe all video devices now so that whichever one is
* required will be available.
*/
#ifndef CONFIG_SYS_CONSOLE_IS_IN_ENV
struct udevice *vdev;
# ifndef CONFIG_DM_KEYBOARD
int ret;
# endif
if (IS_ENABLED(CONFIG_DM_VIDEO)) {
/*
* If the console setting is not in environment variables then
* console_init_r() will not be calling iomux_doenv() (which
* calls search_device()). So we will not dynamically add
* devices by calling stdio_probe_device().
*
* So just probe all video devices now so that whichever one is
* required will be available.
*/
struct udevice *vdev;
int ret;
if (!IS_ENABLED(CONFIG_SYS_CONSOLE_IS_IN_ENV)) {
for (ret = uclass_first_device(UCLASS_VIDEO, &vdev);
vdev;
ret = uclass_next_device(&vdev))
;
if (ret)
printf("%s: Video device failed (ret=%d)\n",
__func__, ret);
}
if (IS_ENABLED(CONFIG_SPLASH_SCREEN) &&
IS_ENABLED(CONFIG_CMD_BMP))
splash_display();
} else {
if (IS_ENABLED(CONFIG_LCD))
drv_lcd_init();
if (IS_ENABLED(CONFIG_VIDEO) || IS_ENABLED(CONFIG_CFB_CONSOLE))
drv_video_init();
}
for (ret = uclass_first_device(UCLASS_VIDEO, &vdev);
vdev;
ret = uclass_next_device(&vdev))
;
if (ret)
printf("%s: Video device failed (ret=%d)\n", __func__, ret);
#endif /* !CONFIG_SYS_CONSOLE_IS_IN_ENV */
#if defined(CONFIG_SPLASH_SCREEN) && defined(CONFIG_CMD_BMP)
splash_display();
#endif /* CONFIG_SPLASH_SCREEN && CONFIG_CMD_BMP */
#else
# if defined(CONFIG_LCD)
drv_lcd_init ();
# endif
# if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
drv_video_init ();
# endif
#endif /* CONFIG_DM_VIDEO */
#if defined(CONFIG_KEYBOARD) && !defined(CONFIG_DM_KEYBOARD)
drv_keyboard_init ();
drv_keyboard_init();
#endif
drv_system_init ();
serial_stdio_init ();
drv_system_init();
serial_stdio_init();
#ifdef CONFIG_USB_TTY
drv_usbtty_init ();
#endif
#ifdef CONFIG_NETCONSOLE
drv_nc_init ();
drv_usbtty_init();
#endif
if (IS_ENABLED(CONFIG_NETCONSOLE))
drv_nc_init();
#ifdef CONFIG_JTAG_CONSOLE
drv_jtag_console_init ();
#endif
#ifdef CONFIG_CBMEM_CONSOLE
cbmemc_init();
drv_jtag_console_init();
#endif
if (IS_ENABLED(CONFIG_CBMEM_CONSOLE))
cbmemc_init();
return 0;
}