diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/serial/sunzilog.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/serial/sunzilog.c b/drivers/serial/sunzilog.c index cb2e4050637..3271379a36d 100644 --- a/drivers/serial/sunzilog.c +++ b/drivers/serial/sunzilog.c @@ -1015,6 +1015,7 @@ static struct uart_ops sunzilog_pops = { .verify_port = sunzilog_verify_port, }; +static int uart_chip_count; static struct uart_sunzilog_port *sunzilog_port_table; static struct zilog_layout __iomem **sunzilog_chip_regs; @@ -1350,16 +1351,22 @@ static int zilog_irq = -1; static int __devinit zs_probe(struct of_device *op, const struct of_device_id *match) { - static int inst; + static int kbm_inst, uart_inst; + int inst; struct uart_sunzilog_port *up; struct zilog_layout __iomem *rp; - int keyboard_mouse; + int keyboard_mouse = 0; int err; - keyboard_mouse = 0; if (of_find_property(op->node, "keyboard", NULL)) keyboard_mouse = 1; + /* uarts must come before keyboards/mice */ + if (keyboard_mouse) + inst = uart_chip_count + kbm_inst; + else + inst = uart_inst; + sunzilog_chip_regs[inst] = of_ioremap(&op->resource[0], 0, sizeof(struct zilog_layout), "zs"); @@ -1427,6 +1434,7 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m rp, sizeof(struct zilog_layout)); return err; } + uart_inst++; } else { printk(KERN_INFO "%s: Keyboard at MMIO 0x%llx (irq = %d) " "is a %s\n", @@ -1438,12 +1446,11 @@ static int __devinit zs_probe(struct of_device *op, const struct of_device_id *m op->dev.bus_id, (unsigned long long) up[1].port.mapbase, op->irqs[0], sunzilog_type(&up[1].port)); + kbm_inst++; } dev_set_drvdata(&op->dev, &up[0]); - inst++; - return 0; } @@ -1491,28 +1498,25 @@ static struct of_platform_driver zs_driver = { static int __init sunzilog_init(void) { struct device_node *dp; - int err, uart_count; - int num_keybms; + int err; + int num_keybms = 0; int num_sunzilog = 0; - num_keybms = 0; for_each_node_by_name(dp, "zs") { num_sunzilog++; if (of_find_property(dp, "keyboard", NULL)) num_keybms++; } - uart_count = 0; if (num_sunzilog) { - int uart_count; - err = sunzilog_alloc_tables(num_sunzilog); if (err) goto out; - uart_count = (num_sunzilog * 2) - (2 * num_keybms); + uart_chip_count = num_sunzilog - num_keybms; - err = sunserial_register_minors(&sunzilog_reg, uart_count); + err = sunserial_register_minors(&sunzilog_reg, + uart_chip_count * 2); if (err) goto out_free_tables; } |