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Date: Sun, 2 Jul 2017 18:30:05 +0200 From: Paul Cercueil <paul@...pouillou.net> To: Ralf Baechle <ralf@...ux-mips.org>, Michael Turquette <mturquette@...libre.com>, Stephen Boyd <sboyd@...eaurora.org>, Rob Herring <robh+dt@...nel.org> Cc: Paul Burton <paul.burton@...tec.com>, Maarten ter Huurne <maarten@...ewalker.org>, devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, linux-mips@...ux-mips.org, linux-clk@...r.kernel.org, Paul Cercueil <paul@...pouillou.net> Subject: [PATCH v3 07/18] serial: core: Make uart_parse_options take const char* argument The pointed string is never modified from within uart_parse_options, so it should be marked as const in the function prototype. Signed-off-by: Paul Cercueil <paul@...pouillou.net> --- drivers/tty/serial/serial_core.c | 5 +++-- include/linux/serial_core.h | 2 +- 2 files changed, 4 insertions(+), 3 deletions(-) v2: New patch in this series v3: No change diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 13bfd5dcffce..95d3770bdb37 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -1954,9 +1954,10 @@ EXPORT_SYMBOL_GPL(uart_parse_earlycon); * eg: 115200n8r */ void -uart_parse_options(char *options, int *baud, int *parity, int *bits, int *flow) +uart_parse_options(const char *options, int *baud, int *parity, + int *bits, int *flow) { - char *s = options; + const char *s = options; *baud = simple_strtoul(s, NULL, 10); while (*s >= '0' && *s <= '9') diff --git a/include/linux/serial_core.h b/include/linux/serial_core.h index 64d892f1e5cd..67f88fb53195 100644 --- a/include/linux/serial_core.h +++ b/include/linux/serial_core.h @@ -386,7 +386,7 @@ struct uart_port *uart_get_console(struct uart_port *ports, int nr, struct console *c); int uart_parse_earlycon(char *p, unsigned char *iotype, resource_size_t *addr, char **options); -void uart_parse_options(char *options, int *baud, int *parity, int *bits, +void uart_parse_options(const char *options, int *baud, int *parity, int *bits, int *flow); int uart_set_options(struct uart_port *port, struct console *co, int baud, int parity, int bits, int flow); -- 2.11.0
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