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[PATCH/RFC,v2,17/29] serial: sh-sci: Make sci_regmap[] const

Message ID 1437070920-28069-18-git-send-email-geert+renesas@glider.be (mailing list archive)
State RFC
Delegated to: Geert Uytterhoeven
Headers show

Commit Message

Geert Uytterhoeven July 16, 2015, 6:21 p.m. UTC 
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
---
 drivers/tty/serial/sh-sci.c | 22 +++++++++++-----------
 1 file changed, 11 insertions(+), 11 deletions(-)
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Patch

diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index 1c0d337cbea1ad99..7589e9b33ce346f0 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -145,7 +145,7 @@  struct plat_sci_reg {
 /* Helper for invalidating specific entries of an inherited map. */
 #define sci_reg_invalid	{ .offset = 0, .size = 0 }
 
-static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
+static const struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
 	[SCIx_PROBE_REGTYPE] = {
 		[0 ... SCIx_NR_REGS - 1] = sci_reg_invalid,
 	},
@@ -398,7 +398,7 @@  static struct plat_sci_reg sci_regmap[SCIx_NR_REGTYPES][SCIx_NR_REGS] = {
  */
 static unsigned int sci_serial_in(struct uart_port *p, int offset)
 {
-	struct plat_sci_reg *reg = sci_getreg(p, offset);
+	const struct plat_sci_reg *reg = sci_getreg(p, offset);
 
 	if (reg->size == 8)
 		return ioread8(p->membase + (reg->offset << p->regshift));
@@ -412,7 +412,7 @@  static unsigned int sci_serial_in(struct uart_port *p, int offset)
 
 static void sci_serial_out(struct uart_port *p, int offset, int value)
 {
-	struct plat_sci_reg *reg = sci_getreg(p, offset);
+	const struct plat_sci_reg *reg = sci_getreg(p, offset);
 
 	if (reg->size == 8)
 		iowrite8(value, p->membase + (reg->offset << p->regshift));
@@ -550,7 +550,7 @@  static void sci_poll_put_char(struct uart_port *port, unsigned char c)
 static void sci_init_pins(struct uart_port *port, unsigned int cflag)
 {
 	struct sci_port *s = to_sci_port(port);
-	struct plat_sci_reg *reg = sci_regmap[s->cfg->regtype] + SCSPTR;
+	const struct plat_sci_reg *reg = sci_regmap[s->cfg->regtype] + SCSPTR;
 
 	/*
 	 * Use port-specific handler if provided.
@@ -580,7 +580,7 @@  static void sci_init_pins(struct uart_port *port, unsigned int cflag)
 
 static int sci_txfill(struct uart_port *port)
 {
-	struct plat_sci_reg *reg;
+	const struct plat_sci_reg *reg;
 
 	reg = sci_getreg(port, SCTFDR);
 	if (reg->size)
@@ -600,7 +600,7 @@  static int sci_txroom(struct uart_port *port)
 
 static int sci_rxfill(struct uart_port *port)
 {
-	struct plat_sci_reg *reg;
+	const struct plat_sci_reg *reg;
 
 	reg = sci_getreg(port, SCRFDR);
 	if (reg->size)
@@ -881,7 +881,7 @@  static int sci_handle_fifo_overrun(struct uart_port *port)
 {
 	struct tty_port *tport = &port->state->port;
 	struct sci_port *s = to_sci_port(port);
-	struct plat_sci_reg *reg;
+	const struct plat_sci_reg *reg;
 	int copied = 0;
 	u16 status;
 
@@ -1248,7 +1248,7 @@  static unsigned int sci_tx_empty(struct uart_port *port)
 static void sci_set_mctrl(struct uart_port *port, unsigned int mctrl)
 {
 	if (mctrl & TIOCM_LOOP) {
-		struct plat_sci_reg *reg;
+		const struct plat_sci_reg *reg;
 
 		/*
 		 * Standard loopback mode for SCFCR ports.
@@ -1634,7 +1634,7 @@  static void sci_stop_rx(struct uart_port *port)
 static void sci_break_ctl(struct uart_port *port, int break_state)
 {
 	struct sci_port *s = to_sci_port(port);
-	struct plat_sci_reg *reg = sci_regmap[s->cfg->regtype] + SCSPTR;
+	const struct plat_sci_reg *reg = sci_regmap[s->cfg->regtype] + SCSPTR;
 	unsigned short scscr, scsptr;
 
 	/* check wheter the port has SCSPTR */
@@ -1942,7 +1942,7 @@  static void sci_baud_calc_hscif(unsigned int bps, unsigned long freq,
 
 static void sci_reset(struct uart_port *port)
 {
-	struct plat_sci_reg *reg;
+	const struct plat_sci_reg *reg;
 	unsigned int status;
 
 	do {
@@ -1960,7 +1960,7 @@  static void sci_set_termios(struct uart_port *port, struct ktermios *termios,
 			    struct ktermios *old)
 {
 	struct sci_port *s = to_sci_port(port);
-	struct plat_sci_reg *reg;
+	const struct plat_sci_reg *reg;
 	unsigned int baud, smr_val = 0, max_baud, cks = 0;
 	int t = -1;
 	unsigned int srr = 15;