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--- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
+++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
@@ -362,7 +362,7 @@ static struct omap_hwmod_class uart_clas
/* UART1 */
static struct omap_hwmod_irq_info uart1_mpu_irqs[] = {
- { .irq = INT_24XX_UART1_IRQ, },
+ { .irq = 0, },
};
static struct omap_hwmod_dma_info uart1_sdma_reqs[] = {
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -546,10 +546,12 @@ static void omap_uart_idle_init(struct o
uart->padconf = 0;
}
- uart->irqflags |= IRQF_SHARED;
- ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
- IRQF_SHARED, "serial idle", (void *)uart);
- WARN_ON(ret);
+ if (uart->irq) {
+ uart->irqflags |= IRQF_SHARED;
+ ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
+ IRQF_SHARED, "serial idle", (void *)uart);
+ WARN_ON(ret);
+ }
}
void omap_uart_enable_irqs(int enable)
@@ -560,14 +562,17 @@ void omap_uart_enable_irqs(int enable)
list_for_each_entry(uart, &uart_list, node) {
if (enable) {
pm_runtime_put_sync(&uart->pdev->dev);
- ret = request_threaded_irq(uart->irq, NULL,
- omap_uart_interrupt,
- IRQF_SHARED,
- "serial idle",
- (void *)uart);
+ if (uart->irq) {
+ ret = request_threaded_irq(uart->irq, NULL,
+ omap_uart_interrupt,
+ IRQF_SHARED,
+ "serial idle",
+ (void *)uart);
+ }
} else {
pm_runtime_get_noresume(&uart->pdev->dev);
- free_irq(uart->irq, (void *)uart);
+ if (uart->irq)
+ free_irq(uart->irq, (void *)uart);
}
}
}
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