diff options
Diffstat (limited to 'drivers/tty')
| -rw-r--r-- | drivers/tty/serial/msm_serial.c | 30 |
1 files changed, 20 insertions, 10 deletions
diff --git a/drivers/tty/serial/msm_serial.c b/drivers/tty/serial/msm_serial.c index 29cbfd8c4e7..8131e2c2801 100644 --- a/drivers/tty/serial/msm_serial.c +++ b/drivers/tty/serial/msm_serial.c @@ -19,6 +19,7 @@ # define SUPPORT_SYSRQ #endif +#include <linux/atomic.h> #include <linux/hrtimer.h> #include <linux/module.h> #include <linux/io.h> @@ -33,6 +34,8 @@ #include <linux/clk.h> #include <linux/platform_device.h> #include <linux/delay.h> +#include <linux/of.h> +#include <linux/of_device.h> #include "msm_serial.h" @@ -589,9 +592,8 @@ static void msm_release_port(struct uart_port *port) iowrite32(GSBI_PROTOCOL_IDLE, msm_port->gsbi_base + GSBI_CONTROL); - gsbi_resource = platform_get_resource_byname(pdev, - IORESOURCE_MEM, - "gsbi_resource"); + gsbi_resource = platform_get_resource(pdev, + IORESOURCE_MEM, 1); if (unlikely(!gsbi_resource)) return; @@ -612,8 +614,7 @@ static int msm_request_port(struct uart_port *port) resource_size_t size; int ret; - uart_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "uart_resource"); + uart_resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (unlikely(!uart_resource)) return -ENXIO; @@ -628,8 +629,7 @@ static int msm_request_port(struct uart_port *port) goto fail_release_port; } - gsbi_resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "gsbi_resource"); + gsbi_resource = platform_get_resource(pdev, IORESOURCE_MEM, 1); /* Is this a GSBI-based port? */ if (gsbi_resource) { size = resource_size(gsbi_resource); @@ -857,6 +857,8 @@ static struct uart_driver msm_uart_driver = { .cons = MSM_CONSOLE, }; +static atomic_t msm_uart_next_id = ATOMIC_INIT(0); + static int __init msm_serial_probe(struct platform_device *pdev) { struct msm_port *msm_port; @@ -864,6 +866,9 @@ static int __init msm_serial_probe(struct platform_device *pdev) struct uart_port *port; int irq; + if (pdev->id == -1) + pdev->id = atomic_inc_return(&msm_uart_next_id) - 1; + if (unlikely(pdev->id < 0 || pdev->id >= UART_NR)) return -ENXIO; @@ -873,7 +878,7 @@ static int __init msm_serial_probe(struct platform_device *pdev) port->dev = &pdev->dev; msm_port = UART_TO_MSM(port); - if (platform_get_resource_byname(pdev, IORESOURCE_MEM, "gsbi_resource")) + if (platform_get_resource(pdev, IORESOURCE_MEM, 1)) msm_port->is_uartdm = 1; else msm_port->is_uartdm = 0; @@ -897,8 +902,7 @@ static int __init msm_serial_probe(struct platform_device *pdev) printk(KERN_INFO "uartclk = %d\n", port->uartclk); - resource = platform_get_resource_byname(pdev, IORESOURCE_MEM, - "uart_resource"); + resource = platform_get_resource(pdev, IORESOURCE_MEM, 0); if (unlikely(!resource)) return -ENXIO; port->mapbase = resource->start; @@ -922,11 +926,17 @@ static int __devexit msm_serial_remove(struct platform_device *pdev) return 0; } +static struct of_device_id msm_match_table[] = { + { .compatible = "qcom,msm-uart" }, + {} +}; + static struct platform_driver msm_platform_driver = { .remove = msm_serial_remove, .driver = { .name = "msm_serial", .owner = THIS_MODULE, + .of_match_table = msm_match_table, }, }; |