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tty: 8250, drop unused members from struct old_serial_port 

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@suse.cz>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Jiri Slaby 2016-05-09 09:11:58 +02:00 committed by Greg Kroah-Hartman
parent 6137b7a629
commit b0f8aed2cd
2 changed files with 2 additions and 4 deletions
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2
drivers/tty/serial/8250/8250.h
View File

@ -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 {

4
drivers/tty/serial/8250/8250_core.c
View File

@ -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;