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From 1a8fa60aedff8a2368ac357a51dc15357065fabe Mon Sep 17 00:00:00 2001
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From: Peter Robinson <pbrobinson@gmail.com>
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Date: Tue, 5 Dec 2017 00:11:54 +0000
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Subject: [PATCH 3/5] usb kbd fixes
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Signed-off-by: Peter Robinson <pbrobinson@gmail.com>
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---
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common/usb_kbd.c | 66 +++++++++++++++++++++++++++++++++++++++++--------------
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include/console.h | 2 --
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2 files changed, 50 insertions(+), 18 deletions(-)
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diff --git a/common/usb_kbd.c b/common/usb_kbd.c
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index 8cbdba6ac2..82ad93f6ca 100644
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--- a/common/usb_kbd.c
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+++ b/common/usb_kbd.c
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@@ -516,25 +516,59 @@ static int probe_usb_keyboard(struct usb_device *dev)
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return error;
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stdinname = env_get("stdin");
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-#if CONFIG_IS_ENABLED(CONSOLE_MUX)
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- error = iomux_doenv(stdin, stdinname);
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- if (error)
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- return error;
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-#else
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- /* Check if this is the standard input device. */
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- if (strcmp(stdinname, DEVNAME))
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- return 1;
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+ if (CONFIG_IS_ENABLED(CONSOLE_MUX)) {
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+ char *devname = DEVNAME;
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+ char *newstdin = NULL;
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+ /*
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+ * stdin might not be set yet.. either way, with console-
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+ * mux the sensible thing to do is add ourselves to the
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+ * list of stdio devices:
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+ */
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+ if (stdinname && !strstr(stdinname, DEVNAME)) {
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+ newstdin = malloc(strlen(stdinname) +
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+ strlen(","DEVNAME) + 1);
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+ sprintf(newstdin, "%s,"DEVNAME, stdinname);
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+ stdinname = newstdin;
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+ } else if (!stdinname) {
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+ stdinname = devname;
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+ }
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+ error = iomux_doenv(stdin, stdinname);
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+ free(newstdin);
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+ if (error)
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+ goto unregister_stdio;
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+ } else {
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+ /* Check if this is the standard input device. */
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+ if (strcmp(stdinname, DEVNAME)) {
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+ error = -1;
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+ goto unregister_stdio;
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+ }
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- /* Reassign the console */
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- if (overwrite_console())
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- return 1;
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+ /* Reassign the console */
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+ if (overwrite_console()) {
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+ error = -1;
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+ goto unregister_stdio;
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+ }
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- error = console_assign(stdin, DEVNAME);
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- if (error)
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- return error;
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-#endif
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+ error = console_assign(stdin, DEVNAME);
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+ if (error)
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+ goto unregister_stdio;
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+ }
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+
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+ return 0;
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+unregister_stdio:
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+ /*
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+ * If probe fails, the device will be removed.. leaving dangling
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+ * pointers if the stdio device is not unregistered. If u-boot
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+ * is built without stdio_deregister(), just pretend to succeed
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+ * in order to avoid dangling pointers.
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+ */
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+#if CONFIG_IS_ENABLED(SYS_STDIO_DEREGISTER)
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+ stdio_deregister(DEVNAME, 1);
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+ return error;
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+#else
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return 0;
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+#endif
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}
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#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;
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err:
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- printf("%s: warning, ret=%d", __func__, ret);
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+ printf("%s: warning, ret=%d\n", __func__, ret);
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return ret;
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}
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diff --git a/include/console.h b/include/console.h
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index cea29ed6dc..7dfd36d7d1 100644
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--- a/include/console.h
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+++ b/include/console.h
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@@ -57,8 +57,6 @@ int console_announce_r(void);
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/*
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* CONSOLE multiplexing.
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*/
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-#ifdef CONFIG_CONSOLE_MUX
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#include <iomux.h>
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-#endif
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#endif
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--
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ad36d48 |
2.14.3
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ad36d48 |
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