diff options
| author | Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com> | 2017-01-11 16:43:23 +0200 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-01-19 14:17:04 +0100 |
| commit | 9f8325b3c19cf2e5df6b9624480748421104d00c (patch) | |
| tree | d9bcc56b25f5b21ee03264902fa8d8d8802109e7 | |
| parent | 11cca3d12f03c670a6dd14004d40580918898760 (diff) | |
serial: sh-sci: Set the SCSCR TE and RE bits in the driver
The Transmit Enable and Receive Enable bits are set in the scscr field
of all instances of the sh-sci platform data. Set them in the driver
directly to prepare for their removal from platform data.
Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/serial/sh-sci.c | 13 |
1 files changed, 7 insertions, 6 deletions
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c index b33199af8877..28e96213bad8 100644 --- a/drivers/tty/serial/sh-sci.c +++ b/drivers/tty/serial/sh-sci.c @@ -2343,7 +2343,8 @@ done: serial_port_out(port, SCFCR, ctrl); } - scr_val |= s->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0); + scr_val |= SCSCR_RE | SCSCR_TE | + (s->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)); dev_dbg(port->dev, "SCSCR 0x%x\n", scr_val); serial_port_out(port, SCSCR, scr_val); if ((srr + 1 == 5) && @@ -2793,7 +2794,8 @@ static void serial_console_write(struct console *co, const char *s, /* first save SCSCR then disable interrupts, keep clock source */ ctrl = serial_port_in(port, SCSCR); - ctrl_temp = (sci_port->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)) | + ctrl_temp = SCSCR_RE | SCSCR_TE | + (sci_port->cfg->scscr & ~(SCSCR_CKE1 | SCSCR_CKE0)) | (ctrl & (SCSCR_CKE1 | SCSCR_CKE0)); serial_port_out(port, SCSCR, ctrl_temp); @@ -2996,7 +2998,6 @@ sci_parse_dt(struct platform_device *pdev, unsigned int *dev_id) p->flags = UPF_IOREMAP | UPF_BOOT_AUTOCONF; p->type = SCI_OF_TYPE(match->data); p->regtype = SCI_OF_REGTYPE(match->data); - p->scscr = SCSCR_RE | SCSCR_TE; if (of_find_property(np, "uart-has-rtscts", NULL)) p->capabilities |= SCIx_HAVE_RTSCTS; @@ -3164,9 +3165,9 @@ static int __init early_console_setup(struct earlycon_device *device, sci_ports[0].cfg = &port_cfg; sci_ports[0].cfg->type = type; sci_probe_regmap(sci_ports[0].cfg); - port_cfg.scscr = sci_serial_in(&sci_ports[0].port, SCSCR) | - SCSCR_RE | SCSCR_TE; - sci_serial_out(&sci_ports[0].port, SCSCR, port_cfg.scscr); + port_cfg.scscr = sci_serial_in(&sci_ports[0].port, SCSCR); + sci_serial_out(&sci_ports[0].port, SCSCR, + SCSCR_RE | SCSCR_TE | port_cfg.scscr); device->con->write = serial_console_write; return 0; |