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--- a/arch/arm/mach-omap2/serial.c
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+++ b/arch/arm/mach-omap2/serial.c
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@@ -546,10 +546,12 @@ static void omap_uart_idle_init(struct o
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uart->padconf = 0;
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}
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- uart->irqflags |= IRQF_SHARED;
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- ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
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- IRQF_SHARED, "serial idle", (void *)uart);
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- WARN_ON(ret);
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+ if (uart->irq) {
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+ uart->irqflags |= IRQF_SHARED;
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+ ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
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+ IRQF_SHARED, "serial idle", (void *)uart);
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+ WARN_ON(ret);
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+ }
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}
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void omap_uart_enable_irqs(int enable)
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@@ -560,14 +562,17 @@ void omap_uart_enable_irqs(int enable)
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list_for_each_entry(uart, &uart_list, node) {
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if (enable) {
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pm_runtime_put_sync(&uart->pdev->dev);
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- ret = request_threaded_irq(uart->irq, NULL,
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- omap_uart_interrupt,
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- IRQF_SHARED,
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- "serial idle",
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- (void *)uart);
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+ if (uart->irq) {
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+ ret = request_threaded_irq(uart->irq, NULL,
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+ omap_uart_interrupt,
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+ IRQF_SHARED,
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+ "serial idle",
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+ (void *)uart);
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+ }
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} else {
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pm_runtime_get_noresume(&uart->pdev->dev);
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- free_irq(uart->irq, (void *)uart);
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+ if (uart->irq)
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+ free_irq(uart->irq, (void *)uart);
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}
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}
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}
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--- a/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
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+++ b/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
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@@ -253,7 +253,7 @@ struct omap_hwmod_irq_info omap2_timer11
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};
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struct omap_hwmod_irq_info omap2_uart1_mpu_irqs[] = {
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- { .irq = INT_24XX_UART1_IRQ, },
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+ { .irq = 0, },
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{ .irq = -1 }
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};
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