uboot-tools/usb-kbd-fixes.patch

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2017-12-22 01:35:59 +00:00
From 1a8fa60aedff8a2368ac357a51dc15357065fabe Mon Sep 17 00:00:00 2001
From: Peter Robinson <pbrobinson@gmail.com>
Date: Tue, 5 Dec 2017 00:11:54 +0000
Subject: [PATCH 3/5] usb kbd fixes
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Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
---
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common/usb_kbd.c | 66 +++++++++++++++++++++++++++++++++++++++++--------------
include/console.h | 2 --
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2 files changed, 50 insertions(+), 18 deletions(-)
diff --git a/common/usb_kbd.c b/common/usb_kbd.c
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index 8cbdba6ac2..82ad93f6ca 100644
--- a/common/usb_kbd.c
+++ b/common/usb_kbd.c
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@@ -516,25 +516,59 @@ static int probe_usb_keyboard(struct usb_device *dev)
return error;
stdinname = env_get("stdin");
-#if CONFIG_IS_ENABLED(CONSOLE_MUX)
- error = iomux_doenv(stdin, stdinname);
- if (error)
- return error;
-#else
- /* Check if this is the standard input device. */
- if (strcmp(stdinname, DEVNAME))
- return 1;
+ if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
+ char *devname = DEVNAME;
+ char *newstdin = NULL;
+ /*
+ * stdin might not be set yet.. either way, with console-
+ * mux the sensible thing to do is add ourselves to the
+ * list of stdio devices:
+ */
+ if (stdinname && !strstr(stdinname, DEVNAME)) {
+ newstdin = malloc(strlen(stdinname) +
+ strlen(","DEVNAME) + 1);
+ sprintf(newstdin, "%s,"DEVNAME, stdinname);
+ stdinname = newstdin;
+ } else if (!stdinname) {
+ stdinname = devname;
+ }
+ error = iomux_doenv(stdin, stdinname);
+ free(newstdin);
+ if (error)
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+ goto unregister_stdio;
+ } else {
+ /* Check if this is the standard input device. */
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+ if (strcmp(stdinname, DEVNAME)) {
+ error = -1;
+ goto unregister_stdio;
+ }
- /* Reassign the console */
- if (overwrite_console())
- return 1;
+ /* Reassign the console */
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+ if (overwrite_console()) {
+ error = -1;
+ goto unregister_stdio;
+ }
- error = console_assign(stdin, DEVNAME);
- if (error)
- return error;
-#endif
+ error = console_assign(stdin, DEVNAME);
+ if (error)
+ goto unregister_stdio;
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+ }
+
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+ return 0;
+unregister_stdio:
+ /*
+ * If probe fails, the device will be removed.. leaving dangling
+ * pointers if the stdio device is not unregistered. If u-boot
+ * is built without stdio_deregister(), just pretend to succeed
+ * in order to avoid dangling pointers.
+ */
+#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
+ stdio_deregister(DEVNAME, 1);
+ return error;
+#else
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return 0;
+#endif
}
#ifndef CONFIG_DM_USB
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@@ -640,7 +674,7 @@ static int usb_kbd_remove(struct udevice *dev)
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return 0;
err:
- printf("%s: warning, ret=%d", __func__, ret);
+ printf("%s: warning, ret=%d\n", __func__, ret);
return ret;
}
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diff --git a/include/console.h b/include/console.h
index cea29ed6dc..7dfd36d7d1 100644
--- a/include/console.h
+++ b/include/console.h
@@ -57,8 +57,6 @@ int console_announce_r(void);
/*
* CONSOLE multiplexing.
*/
-#ifdef CONFIG_CONSOLE_MUX
#include <iomux.h>
-#endif
#endif
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--
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2.14.3