[PATCH 13/14] USB: serial: keyspan_pda: use BIT() macro
From: Johan Hovold
Date: Sun Oct 25 2020 - 13:47:02 EST
Use the BIT() macro instead of open coding.
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---
drivers/usb/serial/keyspan_pda.c | 25 +++++++++++++------------
1 file changed, 13 insertions(+), 12 deletions(-)
diff --git a/drivers/usb/serial/keyspan_pda.c b/drivers/usb/serial/keyspan_pda.c
index 8df7c54d6986..f582e0a3ae56 100644
--- a/drivers/usb/serial/keyspan_pda.c
+++ b/drivers/usb/serial/keyspan_pda.c
@@ -422,13 +422,14 @@ static int keyspan_pda_tiocmget(struct tty_struct *tty)
rc = keyspan_pda_get_modem_info(serial, &status);
if (rc < 0)
return rc;
- value =
- ((status & (1<<7)) ? TIOCM_DTR : 0) |
- ((status & (1<<6)) ? TIOCM_CAR : 0) |
- ((status & (1<<5)) ? TIOCM_RNG : 0) |
- ((status & (1<<4)) ? TIOCM_DSR : 0) |
- ((status & (1<<3)) ? TIOCM_CTS : 0) |
- ((status & (1<<2)) ? TIOCM_RTS : 0);
+
+ value = ((status & BIT(7)) ? TIOCM_DTR : 0) |
+ ((status & BIT(6)) ? TIOCM_CAR : 0) |
+ ((status & BIT(5)) ? TIOCM_RNG : 0) |
+ ((status & BIT(4)) ? TIOCM_DSR : 0) |
+ ((status & BIT(3)) ? TIOCM_CTS : 0) |
+ ((status & BIT(2)) ? TIOCM_RTS : 0);
+
return value;
}
@@ -445,14 +446,14 @@ static int keyspan_pda_tiocmset(struct tty_struct *tty,
return rc;
if (set & TIOCM_RTS)
- status |= (1<<2);
+ status |= BIT(2);
if (set & TIOCM_DTR)
- status |= (1<<7);
+ status |= BIT(7);
if (clear & TIOCM_RTS)
- status &= ~(1<<2);
+ status &= ~BIT(2);
if (clear & TIOCM_DTR)
- status &= ~(1<<7);
+ status &= ~BIT(7);
rc = keyspan_pda_set_modem_info(serial, status);
return rc;
}
@@ -565,7 +566,7 @@ static void keyspan_pda_dtr_rts(struct usb_serial_port *port, int on)
struct usb_serial *serial = port->serial;
if (on)
- keyspan_pda_set_modem_info(serial, (1 << 7) | (1 << 2));
+ keyspan_pda_set_modem_info(serial, BIT(7) | BIT(2));
else
keyspan_pda_set_modem_info(serial, 0);
}
--
2.26.2