diff options
Diffstat (limited to 'arch/powerpc/kernel/legacy_serial.c')
-rw-r--r-- | arch/powerpc/kernel/legacy_serial.c | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/arch/powerpc/kernel/legacy_serial.c b/arch/powerpc/kernel/legacy_serial.c index 1da2f6e7d2a1..ae1906bfe8a5 100644 --- a/arch/powerpc/kernel/legacy_serial.c +++ b/arch/powerpc/kernel/legacy_serial.c @@ -54,9 +54,10 @@ static int legacy_serial_console = -1; static const upf_t legacy_port_flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_SHARE_IRQ | UPF_FIXED_PORT; -static unsigned int tsi_serial_in(struct uart_port *p, int offset) +static u32 tsi_serial_in(struct uart_port *p, unsigned int offset) { - unsigned int tmp; + u32 tmp; + offset = offset << p->regshift; if (offset == UART_IIR) { tmp = readl(p->membase + (UART_IIR & ~3)); @@ -65,7 +66,7 @@ static unsigned int tsi_serial_in(struct uart_port *p, int offset) return readb(p->membase + offset); } -static void tsi_serial_out(struct uart_port *p, int offset, int value) +static void tsi_serial_out(struct uart_port *p, unsigned int offset, u32 value) { offset = offset << p->regshift; if (!((offset == UART_IER) && (value & UART_IER_UUE))) @@ -77,6 +78,8 @@ static int __init add_legacy_port(struct device_node *np, int want_index, phys_addr_t taddr, unsigned long irq, upf_t flags, int irq_check_parent) { + struct plat_serial8250_port *legacy_port; + struct legacy_serial_info *legacy_info; const __be32 *clk, *spd, *rs; u32 clock = BASE_BAUD * 16; u32 shift = 0; @@ -110,16 +113,17 @@ static int __init add_legacy_port(struct device_node *np, int want_index, if (index >= legacy_serial_count) legacy_serial_count = index + 1; + legacy_port = &legacy_serial_ports[index]; + legacy_info = &legacy_serial_infos[index]; + /* Check if there is a port who already claimed our slot */ - if (legacy_serial_infos[index].np != NULL) { + if (legacy_info->np != NULL) { /* if we still have some room, move it, else override */ if (legacy_serial_count < MAX_LEGACY_SERIAL_PORTS) { printk(KERN_DEBUG "Moved legacy port %d -> %d\n", index, legacy_serial_count); - legacy_serial_ports[legacy_serial_count] = - legacy_serial_ports[index]; - legacy_serial_infos[legacy_serial_count] = - legacy_serial_infos[index]; + legacy_serial_ports[legacy_serial_count] = *legacy_port; + legacy_serial_infos[legacy_serial_count] = *legacy_info; legacy_serial_count++; } else { printk(KERN_DEBUG "Replacing legacy port %d\n", index); @@ -127,36 +131,32 @@ static int __init add_legacy_port(struct device_node *np, int want_index, } /* Now fill the entry */ - memset(&legacy_serial_ports[index], 0, - sizeof(struct plat_serial8250_port)); + memset(legacy_port, 0, sizeof(*legacy_port)); if (iotype == UPIO_PORT) - legacy_serial_ports[index].iobase = base; + legacy_port->iobase = base; else - legacy_serial_ports[index].mapbase = base; - - legacy_serial_ports[index].iotype = iotype; - legacy_serial_ports[index].uartclk = clock; - legacy_serial_ports[index].irq = irq; - legacy_serial_ports[index].flags = flags; - legacy_serial_ports[index].regshift = shift; - legacy_serial_infos[index].taddr = taddr; - legacy_serial_infos[index].np = of_node_get(np); - legacy_serial_infos[index].clock = clock; - legacy_serial_infos[index].speed = spd ? be32_to_cpup(spd) : 0; - legacy_serial_infos[index].irq_check_parent = irq_check_parent; + legacy_port->mapbase = base; + + legacy_port->iotype = iotype; + legacy_port->uartclk = clock; + legacy_port->irq = irq; + legacy_port->flags = flags; + legacy_port->regshift = shift; + legacy_info->taddr = taddr; + legacy_info->np = of_node_get(np); + legacy_info->clock = clock; + legacy_info->speed = spd ? be32_to_cpup(spd) : 0; + legacy_info->irq_check_parent = irq_check_parent; if (iotype == UPIO_TSI) { - legacy_serial_ports[index].serial_in = tsi_serial_in; - legacy_serial_ports[index].serial_out = tsi_serial_out; + legacy_port->serial_in = tsi_serial_in; + legacy_port->serial_out = tsi_serial_out; } - printk(KERN_DEBUG "Found legacy serial port %d for %pOF\n", - index, np); - printk(KERN_DEBUG " %s=%llx, taddr=%llx, irq=%lx, clk=%d, speed=%d\n", + printk(KERN_DEBUG "Found legacy serial port %d for %pOF\n", index, np); + printk(KERN_DEBUG " %s=%pa, taddr=%pa, irq=%lx, clk=%d, speed=%d\n", (iotype == UPIO_PORT) ? "port" : "mem", - (unsigned long long)base, (unsigned long long)taddr, irq, - legacy_serial_ports[index].uartclk, - legacy_serial_infos[index].speed); + &base, &taddr, irq, legacy_port->uartclk, legacy_info->speed); return index; } |