target/linux/lantiq/patches-6.1/0200-MIPS-lantiq-xway-vmmc-use-platform_get_irq-to-get-ir.patch

   1 From 2b873c59fd313aee57864f96d64a228f2ea7c208 Mon Sep 17 00:00:00 2001
   2 From: Martin Schiller <ms@dev.tdt.de>
   3 Date: Mon, 13 May 2024 10:42:24 +0200
   4 Subject: [PATCH] MIPS: lantiq: xway: vmmc: use platform_get_irq to get irqs
   5  from dts
   6
   7 Let's fetch the irqs from the dts here and expose them to the voice
   8 driver like it is done for the cp1 base memory.
   9
  10 ToDo:
  11 Maybe it is possible to drop this driver completely and merge this
  12 handling to the voice driver.
  13
  14 Signed-off-by: Martin Schiller <ms@dev.tdt.de>
  15 ---
  16  arch/mips/lantiq/xway/vmmc.c | 53 ++++++++++++++++++++++++++++++++++++
  17  1 file changed, 53 insertions(+)
  18
  19 --- a/arch/mips/lantiq/xway/vmmc.c
  20 +++ b/arch/mips/lantiq/xway/vmmc.c
  21 @@ -14,6 +14,10 @@
  22
  23  static unsigned int *cp1_base;
  24
  25 +static int ad0_irq;
  26 +static int ad1_irq;
  27 +static int vc_irq[4];
  28 +
  29  unsigned int *ltq_get_cp1_base(void)
  30  {
  31         if (!cp1_base)
  32 @@ -23,6 +27,33 @@ unsigned int *ltq_get_cp1_base(void)
  33  }
  34  EXPORT_SYMBOL(ltq_get_cp1_base);
  35
  36 +unsigned int ltq_get_mps_ad0_irq(void)
  37 +{
  38 +       if (!ad0_irq)
  39 +               panic("no ad0 irq was set\n");
  40 +
  41 +       return ad0_irq;
  42 +}
  43 +EXPORT_SYMBOL(ltq_get_mps_ad0_irq);
  44 +
  45 +unsigned int ltq_get_mps_ad1_irq(void)
  46 +{
  47 +       if (!ad1_irq)
  48 +               panic("no ad1 irq was set\n");
  49 +
  50 +       return ad1_irq;
  51 +}
  52 +EXPORT_SYMBOL(ltq_get_mps_ad1_irq);
  53 +
  54 +unsigned int ltq_get_mps_vc_irq(int idx)
  55 +{
  56 +       if (!vc_irq[idx])
  57 +               panic("no vc%d irq was set\n", idx);
  58 +
  59 +       return vc_irq[idx];
  60 +}
  61 +EXPORT_SYMBOL(ltq_get_mps_vc_irq);
  62 +
  63  static int vmmc_probe(struct platform_device *pdev)
  64  {
  65  #define CP1_SIZE       (1 << 20)
  66 @@ -30,11 +61,33 @@ static int vmmc_probe(struct platform_de
  67         int gpio_count;
  68         dma_addr_t dma;
  69         int error;
  70 +       int i;
  71
  72         cp1_base =
  73                 (void *) CPHYSADDR(dma_alloc_coherent(&pdev->dev, CP1_SIZE,
  74                                                     &dma, GFP_KERNEL));
  75
  76 +       ad0_irq = platform_get_irq(pdev, 4);
  77 +       if (ad0_irq < 0) {
  78 +               dev_err(&pdev->dev, "failed to get MPS AD0 irq: %d\n", ad0_irq);
  79 +               return ad0_irq;
  80 +       }
  81 +
  82 +       ad1_irq = platform_get_irq(pdev, 5);
  83 +       if (ad1_irq < 0) {
  84 +               dev_err(&pdev->dev, "failed to get MPS AD1 irq: %d\n", ad1_irq);
  85 +               return ad1_irq;
  86 +       }
  87 +
  88 +       for (i = 0; i < 4; i++) {
  89 +       vc_irq[i] = platform_get_irq(pdev, i);
  90 +               if (vc_irq[i] < 0) {
  91 +                       dev_err(&pdev->dev, "failed to get MPS VC%d irq: %d\n",
  92 +                               i, vc_irq[i]);
  93 +                       return vc_irq[i];
  94 +               }
  95 +       }
  96 +
  97         gpio_count = gpiod_count(&pdev->dev, NULL);
  98         while (gpio_count > 0) {
  99                 gpio = devm_gpiod_get_index(&pdev->dev,