target/linux/omap24xx/patches-3.1/420-hci-h4p-interrupt-workaround.patch

   1 Index: linux-3.1-rc4/arch/arm/mach-omap2/serial.c
   2 ===================================================================
   3 --- linux-3.1-rc4.orig/arch/arm/mach-omap2/serial.c     2011-08-29 06:16:01.000000000 +0200
   4 +++ linux-3.1-rc4/arch/arm/mach-omap2/serial.c  2011-10-27 16:38:20.539265654 +0200
   5 @@ -546,10 +546,12 @@ static void omap_uart_idle_init(struct o
   6                 uart->padconf = 0;
   7         }
   8
   9 -       uart->irqflags |= IRQF_SHARED;
  10 -       ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
  11 -                                  IRQF_SHARED, "serial idle", (void *)uart);
  12 -       WARN_ON(ret);
  13 +       if (uart->irq) {
  14 +               uart->irqflags |= IRQF_SHARED;
  15 +               ret = request_threaded_irq(uart->irq, NULL, omap_uart_interrupt,
  16 +                                          IRQF_SHARED, "serial idle", (void *)uart);
  17 +               WARN_ON(ret);
  18 +       }
  19  }
  20
  21  void omap_uart_enable_irqs(int enable)
  22 @@ -560,14 +562,17 @@ void omap_uart_enable_irqs(int enable)
  23         list_for_each_entry(uart, &uart_list, node) {
  24                 if (enable) {
  25                         pm_runtime_put_sync(&uart->pdev->dev);
  26 -                       ret = request_threaded_irq(uart->irq, NULL,
  27 -                                                  omap_uart_interrupt,
  28 -                                                  IRQF_SHARED,
  29 -                                                  "serial idle",
  30 -                                                  (void *)uart);
  31 +                       if (uart->irq) {
  32 +                               ret = request_threaded_irq(uart->irq, NULL,
  33 +                                                          omap_uart_interrupt,
  34 +                                                          IRQF_SHARED,
  35 +                                                          "serial idle",
  36 +                                                          (void *)uart);
  37 +                       }
  38                 } else {
  39                         pm_runtime_get_noresume(&uart->pdev->dev);
  40 -                       free_irq(uart->irq, (void *)uart);
  41 +                       if (uart->irq)
  42 +                               free_irq(uart->irq, (void *)uart);
  43                 }
  44         }
  45  }
  46 Index: linux-3.1-rc4/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c
  47 ===================================================================
  48 --- linux-3.1-rc4.orig/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c  2011-08-29 06:16:01.000000000 +0200
  49 +++ linux-3.1-rc4/arch/arm/mach-omap2/omap_hwmod_2xxx_3xxx_ipblock_data.c       2011-10-27 16:44:39.065885130 +0200
  50 @@ -253,7 +253,7 @@ struct omap_hwmod_irq_info omap2_timer11
  51  };
  52
  53  struct omap_hwmod_irq_info omap2_uart1_mpu_irqs[] = {
  54 -       { .irq = INT_24XX_UART1_IRQ, },
  55 +       { .irq = 0, },
  56         { .irq = -1 }
  57  };
  58