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authorDavid Woodhouse <dwmw2@infradead.org>2007-05-17 14:27:39 +0800
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-17 05:25:49 -0700
commitb5b82df6f461e66af821bff5b51f336af92d96b6 (patch)
treeb0a782f0f97419082d9c40de7fcc9fd5fd560be2 /net/ipx
parentc97a9e10eaee328e6eea9f76acf7bacd7d48ef56 (diff)
NS16550A: Restore HS settings in EXCR2 on resume
After a suspend/resume cycle, the UART may have been reset into low-speed mode -- either because it's actually been reset, or because the firmware pokes at the old-style divisor registers. If we detected it as a NS16550A SuperIO chip in the first place and set baud_base to 921600, then we should do so again in the resume path. This patch adds that code to serial8250_resume_port(), and also makes serial8250_resume() actually call serial8250_resume_port() for each port instead of just calling uart_resume_port() directly. And thus fixes serial port operation after suspend/resume. It also fixes a bogus comment where we write the EXCR2 register with a comment saying /* EXCR1 */ Signed-off-by: David Woodhouse <dwmw2@infradead.org> Acked-by: Alan Cox <alan@redhat.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'net/ipx')
0 files changed, 0 insertions, 0 deletions

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