[PATCH 6/7] tty: 8250, drop unused members from struct old_serial_port

From: Jiri Slaby
Date: Mon May 09 2016 - 03:12:25 EST


hub6 and irqflags from struct old_serial_port are nowhere set. Drop
them from the structure and replace the reads by zeros.

Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
---
drivers/tty/serial/8250/8250.h | 2 --
drivers/tty/serial/8250/8250_core.c | 4 ++--
2 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/tty/serial/8250/8250.h b/drivers/tty/serial/8250/8250.h
index 215a99237e95..563ccbe3612b 100644
--- a/drivers/tty/serial/8250/8250.h
+++ b/drivers/tty/serial/8250/8250.h
@@ -53,11 +53,9 @@ struct old_serial_port {
unsigned int port;
unsigned int irq;
upf_t flags;
- unsigned char hub6;
unsigned char io_type;
unsigned char __iomem *iomem_base;
unsigned short iomem_reg_shift;
- unsigned long irqflags;
};

struct serial8250_config {
diff --git a/drivers/tty/serial/8250/8250_core.c b/drivers/tty/serial/8250/8250_core.c
index 0fbd7c033a25..e938ac93743a 100644
--- a/drivers/tty/serial/8250/8250_core.c
+++ b/drivers/tty/serial/8250/8250_core.c
@@ -546,10 +546,10 @@ static void __init serial8250_isa_init_ports(void)

port->iobase = old_serial_port[i].port;
port->irq = irq_canonicalize(old_serial_port[i].irq);
- port->irqflags = old_serial_port[i].irqflags;
+ port->irqflags = 0;
port->uartclk = old_serial_port[i].baud_base * 16;
port->flags = old_serial_port[i].flags;
- port->hub6 = old_serial_port[i].hub6;
+ port->hub6 = 0;
port->membase = old_serial_port[i].iomem_base;
port->iotype = old_serial_port[i].io_type;
port->regshift = old_serial_port[i].iomem_reg_shift;
--
2.8.2