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LPC17xx serial now supports minimal termios ioctls; serial driver ioctl methods should not set errno variable

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git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@4994 7fd9a85b-ad96-42d3-883c-3090e2eb8679
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patacongo
2012-07-31 23:45:21 +00:00
parent cb77f5961d
commit 8a4cf655d7
12 changed files with 165 additions and 106 deletions
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nuttx/ChangeLog
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@@ -3091,4 +3091,9 @@
IOPORT register.
* lib/string/lib_memchr.c: Add support for memchr() (contributed by Mike Smith)
* lib/string/lib_memccpy.c: Add support for memcpy()
* arch/arm/src/lpc17xx/lpc17_serial.c: Now supports ioctl commands to change
the baud using tcsetattr() (contributed by Chris Taglia).
* arch/*/src/*_serial.c: Fix ioctl method return values. Theses methods
should return a negated errno value; they should not set the errno
variable.