int __init davinci_serial_init(struct davinci_uart_config *info) { int i; char name[16]; struct clk *uart_clk; struct davinci_soc_info *soc_info = &davinci_soc_info; struct device *dev = &soc_info->serial_dev->dev; struct plat_serial8250_port *p = dev->platform_data; /* * Make sure the serial ports are muxed on at this point. * You have to mux them off in device drivers later on if not needed. */ for (i = 0; p->flags; i++, p++) { if (!(info->enabled_uarts & (1 << i))) continue; sprintf(name, "uart%d", i); uart_clk = clk_get(dev, name); if (IS_ERR(uart_clk)) { printk(KERN_ERR "%s:%d: failed to get UART%d clock\n", __func__, __LINE__, i); continue; } clk_enable(uart_clk); p->uartclk = clk_get_rate(uart_clk); p->clk = uart_clk; if (!p->membase && p->mapbase) { p->membase = ioremap(p->mapbase, SZ_4K); if (p->membase) p->flags &= ~UPF_IOREMAP; else pr_err("uart regs ioremap failed\n"); } if (p->membase && ((p->type != PORT_AR7) || cpu_is_davinci_da850() || cpu_is_davinci_da830())) davinci_serial_reset(p); } return platform_device_register(soc_info->serial_dev); }
int __init davinci_serial_init(struct platform_device *serial_dev) { int i, ret = 0; struct device *dev; struct plat_serial8250_port *p; struct clk *clk; /* * Make sure the serial ports are muxed on at this point. * You have to mux them off in device drivers later on if not needed. */ for (i = 0; serial_dev[i].dev.platform_data != NULL; i++) { dev = &serial_dev[i].dev; p = dev->platform_data; ret = platform_device_register(&serial_dev[i]); if (ret) continue; clk = clk_get(dev, NULL); if (IS_ERR(clk)) { pr_err("%s:%d: failed to get UART%d clock\n", __func__, __LINE__, i); continue; } clk_prepare_enable(clk); p->uartclk = clk_get_rate(clk); if (!p->membase && p->mapbase) { p->membase = ioremap(p->mapbase, SZ_4K); if (p->membase) p->flags &= ~UPF_IOREMAP; else pr_err("uart regs ioremap failed\n"); } if (p->membase && p->type != PORT_AR7) davinci_serial_reset(p); } return ret; }
int __init davinci_serial_init(struct davinci_uart_config *info) { int i; char name[16]; struct clk *uart_clk; struct davinci_soc_info *soc_info = &davinci_soc_info; struct device *dev = &soc_info->serial_dev->dev; struct plat_serial8250_port *p = dev->platform_data; for (i = 0; p->flags; i++, p++) { if (!(info->enabled_uarts & (1 << i))) continue; sprintf(name, "uart%d", i); uart_clk = clk_get(dev, name); if (IS_ERR(uart_clk)) { printk(KERN_ERR "%s:%d: failed to get UART%d clock\n", __func__, __LINE__, i); continue; } clk_enable(uart_clk); p->uartclk = clk_get_rate(uart_clk); if (!p->membase && p->mapbase) { p->membase = ioremap(p->mapbase, SZ_4K); if (p->membase) p->flags &= ~UPF_IOREMAP; else pr_err("uart regs ioremap failed\n"); } if (p->membase && p->type != PORT_AR7) davinci_serial_reset(p); } return platform_device_register(soc_info->serial_dev); }
static int __init davinci_init(void) { davinci_serial_reset(&serial_platform_data[0]); return platform_device_register(&serial_device); }