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Commit e8183a6c authored by Paul Mundt's avatar Paul Mundt
Browse files

serial: sh-sci: Fix up ioremap handling.



We were using an IS_ERR() check for the ioremap case, presumably because
this matched the old custom ioremap call that sh64 was providing. Now
that all ioremap() implementations trap the IS_ERR case and hand back a
NULL, check for that instead.

Signed-off-by: default avatarPaul Mundt <lethal@linux-sh.org>
parent 86b7d0e2
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+3 −2
Original line number Diff line number Diff line
@@ -1482,6 +1482,7 @@ static unsigned int sci_scbrr_calc(unsigned int algo_id, unsigned int bps,

	/* Warn, but use a safe default */
	WARN_ON(1);

	return ((freq + 16 * bps) / (32 * bps) - 1);
}

@@ -1517,6 +1518,7 @@ static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
		sci_out(port, SCFCR, scfcr | SCFCR_RFRST | SCFCR_TFRST);

	smr_val = sci_in(port, SCSMR) & 3;

	if ((termios->c_cflag & CSIZE) == CS7)
		smr_val |= 0x40;
	if (termios->c_cflag & PARENB)
@@ -1612,8 +1614,7 @@ static void sci_config_port(struct uart_port *port, int flags)

	if (port->flags & UPF_IOREMAP) {
		port->membase = ioremap_nocache(port->mapbase, 0x40);

		if (IS_ERR(port->membase))
		if (unlikely(!port->membase))
			dev_err(port->dev, "can't remap port#%d\n", port->line);
	} else {
		/*