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Revert "tty/serial: atmel: fix out of range clock divider handling" 

This reverts commit 751d001733.

The wrong commit got added to the tty-next tree, the correct one is in
the tty-linus branch.

Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: David Engraf <david.engraf@sysgo.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Greg Kroah-Hartman 2019-12-18 08:04:26 +01:00
parent 9b614afe6c
commit 6dbd54e415
1 changed files with 3 additions and 3 deletions
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6
drivers/tty/serial/atmel_serial.c
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@ -2270,6 +2270,9 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
mode |= ATMEL_US_USMODE_NORMAL;
}
/* set the mode, clock divisor, parity, stop bits and data size */
atmel_uart_writel(port, ATMEL_US_MR, mode);
/*
* when switching the mode, set the RTS line state according to the
* new mode, otherwise keep the former state
@ -2312,9 +2315,6 @@ static void atmel_set_termios(struct uart_port *port, struct ktermios *termios,
}
quot = cd | fp << ATMEL_US_FP_OFFSET;
/* set the mode, clock divisor, parity, stop bits and data size */
atmel_uart_writel(port, ATMEL_US_MR, mode);
if (!(port->iso7816.flags & SER_ISO7816_ENABLED))
atmel_uart_writel(port, ATMEL_US_BRGR, quot);
atmel_uart_writel(port, ATMEL_US_CR, ATMEL_US_RSTSTA | ATMEL_US_RSTRX);