[RFC 16/24] SERIAL: omap: simplify
From: Russell King <hidden>
Date: 2012-10-06 12:44:26
Also in:
linux-arm-kernel, linux-omap
Subsystem:
the rest, tty layer and serial drivers · Maintainers:
Linus Torvalds, Greg Kroah-Hartman, Jiri Slaby
We have the sequence: - LCR mode B - write EFR with ECB clear - LCR mode normal - LCR mode B - write EFR with ECB clear This can be simplified to just two writes: - LCR mode B - write EFR with ECB clear Signed-off-by: Russell King <redacted> --- drivers/tty/serial/omap-serial.c | 8 -------- 1 files changed, 0 insertions(+), 8 deletions(-)
diff --git a/drivers/tty/serial/omap-serial.c b/drivers/tty/serial/omap-serial.c
index 70c9661..da0d4b1 100644
--- a/drivers/tty/serial/omap-serial.c
+++ b/drivers/tty/serial/omap-serial.c@@ -890,19 +890,11 @@ serial_omap_set_termios(struct uart_port *port, struct ktermios *termios, /* Disable access to TCR/TLR */ serial_out(up, UART_MCR, up->mcr); - serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); - serial_out(up, UART_EFR, up->efr); - serial_out(up, UART_LCR, cval); } else { /* Disable AUTORTS and AUTOCTS */ up->efr &= ~(UART_EFR_CTS | UART_EFR_RTS); - - serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); - serial_out(up, UART_EFR, up->efr); - serial_out(up, UART_LCR, cval); } - /* Software Flow Control Configuration */ serial_out(up, UART_LCR, UART_LCR_CONF_MODE_B); serial_out(up, UART_EFR, up->efr);
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1.7.4.4