1 files changed, 14 insertions, 5 deletions

diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 39b797bc14d6..8c964bec8159 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -125,6 +125,13 @@ static struct plat_serial8250_port serial_platform_data3[] = {
         }
 };
 #endif
+static inline unsigned int __serial_read_reg(struct uart_port *up,
+                                           int offset)
+{
+        offset <<= up->regshift;
+        return (unsigned int)__raw_readb(up->membase + offset);
+}
+
 static inline unsigned int serial_read_reg(struct plat_serial8250_port *up,
                                            int offset)
 {
@@ -583,11 +590,12 @@ static unsigned int serial_in_override(struct uart_port *up, int offset)
 {
         if (UART_RX == offset) {
                 unsigned int lsr;
-                lsr = serial_read_reg(omap_uart[up->line].p, UART_LSR);
+                lsr = __serial_read_reg(up, UART_LSR);
                 if (!(lsr & UART_LSR_DR))
                         return -EPERM;
         }
-        return serial_read_reg(omap_uart[up->line].p, offset);
+
+        return __serial_read_reg(up, offset);
 }
 
 void __init omap_serial_early_init(void)
@@ -640,12 +648,9 @@ void __init omap_serial_early_init(void)
                 uart->num = i;
                 p->private_data = uart;
                 uart->p = p;
-                list_add_tail(&uart->node, &uart_list);
 
                 if (cpu_is_omap44xx())
                         p->irq += 32;
-
-                omap_uart_enable_clocks(uart);
         }
 }
 
@@ -673,9 +678,13 @@ void __init omap_serial_init_port(int port)
         pdev = &uart->pdev;
         dev = &pdev->dev;
 
+        omap_uart_enable_clocks(uart);
+
         omap_uart_reset(uart);
         omap_uart_idle_init(uart);
 
+        list_add_tail(&uart->node, &uart_list);
+
         if (WARN_ON(platform_device_register(pdev)))
                 return;