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authorTetsuyuki Kobayashi <koba@kmckk.co.jp>2012-11-19 21:37:38 +0000
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2012-11-30 15:06:05 +0900
commit7c791b3f0a8e42f8012f782ef56ad6e88858e7c4 (patch)
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parent867da0d4fe79baf78b7320b99eea4c7a78b15581 (diff)
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serial: serial_sh: bugfix: autoboot fails if serial console is not connected
On kzm9g board (rmobile SoC), autoboot fails if serial console cable is not connected. When serial cable is not connected, serial error occurs and some garbage comes in data register. sh_serial_tstc() in serial_sh.c does not check error status and misunderstand there is some input data. It is the reason that autoboot fails. This patch adds checking error status in sh_serial_tstc(). This patch is based on v2013.01-rc1 tag of u-boot master git. Signed-off-by: Tetsuyuki Kobayashi <koba@kmckk.co.jp> Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>
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