package/kernel/qca-ssdk/patches/0004-qca8081-convert-to-5.11-IRQ-model.patch

   1 From aaac91b5e8756dce1c0242d58074a0b5d4607b57 Mon Sep 17 00:00:00 2001
   2 From: Robert Marko <robimarko@gmail.com>
   3 Date: Fri, 24 Dec 2021 20:02:32 +0100
   4 Subject: [PATCH 04/14] qca8081: convert to 5.11 IRQ model
   5
   6 Kernel 5.11 introduced new IRQ handling model for PHY-s,
   7 so provide those if 5.11 or later is used.
   8
   9 Signed-off-by: Robert Marko <robimarko@gmail.com>
  10 ---
  11  src/hsl/phy/qca808x.c | 46 +++++++++++++++++++++++++++++++++++++++++++
  12  1 file changed, 46 insertions(+)
  13
  14 --- a/src/hsl/phy/qca808x.c
  15 +++ b/src/hsl/phy/qca808x.c
  16 @@ -247,6 +247,7 @@ static int qca808x_config_intr(struct ph
  17         return err;
  18  }
  19
  20 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0))
  21  static int qca808x_ack_interrupt(struct phy_device *phydev)
  22  {
  23         int err;
  24 @@ -266,6 +267,47 @@ static int qca808x_ack_interrupt(struct
  25
  26         return (err < 0) ? err : 0;
  27  }
  28 +#endif
  29 +
  30 +#if (LINUX_VERSION_CODE > KERNEL_VERSION(5, 11, 0))
  31 +static irqreturn_t qca808x_handle_interrupt(struct phy_device *phydev)
  32 +{
  33 +       a_uint16_t irq_status, int_enabled;
  34 +       a_uint32_t dev_id = 0, phy_id = 0;
  35 +       qca808x_priv *priv = phydev->priv;
  36 +       const struct qca808x_phy_info *pdata = priv->phy_info;
  37 +
  38 +       if (!pdata) {
  39 +               return SW_FAIL;
  40 +       }
  41 +
  42 +       dev_id = pdata->dev_id;
  43 +       phy_id = pdata->phy_addr;
  44 +
  45 +       irq_status = qca808x_phy_reg_read(dev_id, phy_id,
  46 +                                         QCA808X_PHY_INTR_STATUS);
  47 +       if (irq_status < 0) {
  48 +               phy_error(phydev);
  49 +               return IRQ_NONE;
  50 +       }
  51 +
  52 +       /* Read the current enabled interrupts */
  53 +       int_enabled = qca808x_phy_reg_read(dev_id, phy_id,
  54 +                                          QCA808X_PHY_INTR_MASK);
  55 +       if (int_enabled < 0) {
  56 +               phy_error(phydev);
  57 +               return IRQ_NONE;
  58 +       }
  59 +
  60 +       /* See if this was one of our enabled interrupts */
  61 +       if (!(irq_status & int_enabled))
  62 +               return IRQ_NONE;
  63 +
  64 +       phy_trigger_machine(phydev);
  65 +
  66 +       return IRQ_HANDLED;
  67 +}
  68 +#endif
  69
  70  /* switch linux negtiation capability to fal avariable */
  71  #if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 0, 0))
  72 @@ -638,7 +680,11 @@ struct phy_driver qca808x_phy_driver = {
  73         .config_intr    = qca808x_config_intr,
  74         .config_aneg    = qca808x_config_aneg,
  75         .aneg_done      = qca808x_aneg_done,
  76 +#if (LINUX_VERSION_CODE < KERNEL_VERSION(5, 11, 0))
  77         .ack_interrupt  = qca808x_ack_interrupt,
  78 +#else
  79 +       .handle_interrupt = qca808x_handle_interrupt,
  80 +#endif
  81         .read_status    = qca808x_read_status,
  82         .suspend        = qca808x_suspend,
  83         .resume         = qca808x_resume,