target/linux/omap24xx/patches-2.6.38/420-hci-h4p-interrupt-workaround.patch

   1 --- a/arch/arm/mach-omap2/omap_hwmod_2420_data.c
   2 +++ b/arch/arm/mach-omap2/omap_hwmod_2420_data.c
   3 @@ -362,7 +362,7 @@ static struct omap_hwmod_class uart_clas
   4  /* UART1 */
   5
   6  static struct omap_hwmod_irq_info uart1_mpu_irqs[] = {
   7 -       { .irq = INT_24XX_UART1_IRQ, },
   8 +       { .irq = 0, },
   9  };
  10
  11  static struct omap_hwmod_dma_info uart1_sdma_reqs[] = {
  12 --- a/arch/arm/mach-omap2/serial.c
  13 +++ b/arch/arm/mach-omap2/serial.c
  14 @@ -546,10 +546,12 @@ static void omap_uart_idle_init(struct o
  15                 uart->padconf = 0;
  16         }
  17
  18 -       uart->irqflags |= IRQF_SHARED;
  19 -       ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
  20 -                                  IRQF_SHARED, "serial idle", (void *)uart);
  21 -       WARN_ON(ret);
  22 +       if (uart->irq) {
  23 +               uart->irqflags |= IRQF_SHARED;
  24 +               ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
  25 +                                          IRQF_SHARED, "serial idle", (void *)uart);
  26 +               WARN_ON(ret);
  27 +       }
  28  }
  29
  30  void omap_uart_enable_irqs(int enable)
  31 @@ -560,14 +562,17 @@ void omap_uart_enable_irqs(int enable)
  32         list_for_each_entry(uart, &uart_list, node) {
  33                 if (enable) {
  34                         pm_runtime_put_sync(&uart->pdev->dev);
  35 -                       ret = request_threaded_irq(uart->irq, NULL,
  36 -                                                  omap_uart_interrupt,
  37 -                                                  IRQF_SHARED,
  38 -                                                  "serial idle",
  39 -                                                  (void *)uart);
  40 +                       if (uart->irq) {
  41 +                               ret = request_threaded_irq(uart->irq, NULL,
  42 +                                                          omap_uart_interrupt,
  43 +                                                          IRQF_SHARED,
  44 +                                                          "serial idle",
  45 +                                                          (void *)uart);
  46 +                       }
  47                 } else {
  48                         pm_runtime_get_noresume(&uart->pdev->dev);
  49 -                       free_irq(uart->irq, (void *)uart);
  50 +                       if (uart->irq)
  51 +                               free_irq(uart->irq, (void *)uart);
  52                 }
  53         }
  54  }