summaryrefslogtreecommitdiff
path: root/drivers/tty/n_gsm.c
diff options
context:
space:
mode:
authorIlpo Järvinen <ilpo.jarvinen@linux.intel.com>2023-01-17 11:03:52 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-01-19 16:04:35 +0100
commitb300fb26c59a749bf49559932fa8a85eb916b5a7 (patch)
treea1ce87cc01ec6b422bae9872729d00a5de833179 /drivers/tty/n_gsm.c
parentdcd794c6ed631b14b5dcfa5afb589ec4f7d0c411 (diff)
tty: Convert ->carrier_raised() and callchains to bool
Return boolean from ->carrier_raised() instead of 0 and 1. Make the return type change also to tty_port_carrier_raised() that makes the ->carrier_raised() call (+ cd variable in moxa into which its return value is stored). Also cleans up a few unnecessary constructs related to this change: return xx ? 1 : 0; -> return xx; if (xx) return 1; return 0; -> return xx; Reviewed-by: Jiri Slaby <jirislaby@kernel.org> Acked-by: Ulf Hansson <ulf.hansson@linaro.org> # For MMC Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com> Link: https://lore.kernel.org/r/20230117090358.4796-7-ilpo.jarvinen@linux.intel.com Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/tty/n_gsm.c')
-rw-r--r--drivers/tty/n_gsm.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/tty/n_gsm.c b/drivers/tty/n_gsm.c
index ced0e6dc179d..64abc5fbf2c1 100644
--- a/drivers/tty/n_gsm.c
+++ b/drivers/tty/n_gsm.c
@@ -3770,16 +3770,16 @@ static int gsm_modem_update(struct gsm_dlci *dlci, u8 brk)
return -EPROTONOSUPPORT;
}
-static int gsm_carrier_raised(struct tty_port *port)
+static bool gsm_carrier_raised(struct tty_port *port)
{
struct gsm_dlci *dlci = container_of(port, struct gsm_dlci, port);
struct gsm_mux *gsm = dlci->gsm;
/* Not yet open so no carrier info */
if (dlci->state != DLCI_OPEN)
- return 0;
+ return false;
if (debug & DBG_CD_ON)
- return 1;
+ return true;
/*
* Basic mode with control channel in ADM mode may not respond
@@ -3787,7 +3787,7 @@ static int gsm_carrier_raised(struct tty_port *port)
*/
if (gsm->encoding == GSM_BASIC_OPT &&
gsm->dlci[0]->mode == DLCI_MODE_ADM && !dlci->modem_rx)
- return 1;
+ return true;
return dlci->modem_rx & TIOCM_CD;
}