package/mac80211/patches/602-rt2x00-remove-mcu-requests-for-soc.patch

   1 The ralink SoC platforms do not have an MCU.
   2
   3 Signed-off-by: Luis Correia <luis.f.correia@gmail.com>
   4 ---
   5
   6 --- a/drivers/net/wireless/rt2x00/rt2800lib.c
   7 +++ b/drivers/net/wireless/rt2x00/rt2800lib.c
   8 @@ -221,9 +221,9 @@ void rt2800_mcu_request(struct rt2x00_de
   9         u32 reg;
  10
  11         /*
  12 -        * SOC devices don't support MCU requests.
  13 +        * some devices don't support MCU requests.
  14          */
  15 -       if (rt2x00_is_soc(rt2x00dev))
  16 +       if (!test_bit(DRIVER_REQUIRE_MCU, &rt2x00dev->flags))
  17                 return;
  18
  19         mutex_lock(&rt2x00dev->csr_mutex);
  20 --- a/drivers/net/wireless/rt2x00/rt2800pci.c
  21 +++ b/drivers/net/wireless/rt2x00/rt2800pci.c
  22 @@ -60,6 +60,12 @@ static void rt2800pci_mcu_status(struct
  23         unsigned int i;
  24         u32 reg;
  25
  26 +       /*
  27 +        * some devices don't support MCU requests.
  28 +        */
  29 +       if (!test_bit(DRIVER_REQUIRE_MCU, &rt2x00dev->flags))
  30 +               return;
  31 +
  32         for (i = 0; i < 200; i++) {
  33                 rt2800_register_read(rt2x00dev, H2M_MAILBOX_CID, &reg);
  34
  35 @@ -1098,10 +1104,12 @@ static int rt2800pci_probe_hw(struct rt2
  36         __set_bit(DRIVER_SUPPORT_CONTROL_FILTER_PSPOLL, &rt2x00dev->flags);
  37
  38         /*
  39 -        * This device requires firmware.
  40 +        * This device requires firmware and MCU access.
  41          */
  42 -       if (!rt2x00_is_soc(rt2x00dev))
  43 +       if (!rt2x00_is_soc(rt2x00dev)){
  44                 __set_bit(DRIVER_REQUIRE_FIRMWARE, &rt2x00dev->flags);
  45 +               __set_bit(DRIVER_REQUIRE_MCU, &rt2x00dev->flags);
  46 +       }
  47         __set_bit(DRIVER_REQUIRE_DMA, &rt2x00dev->flags);
  48         __set_bit(DRIVER_REQUIRE_L2PAD, &rt2x00dev->flags);
  49         if (!modparam_nohwcrypt)
  50 --- a/drivers/net/wireless/rt2x00/rt2x00.h
  51 +++ b/drivers/net/wireless/rt2x00/rt2x00.h
  52 @@ -631,6 +631,7 @@ enum rt2x00_flags {
  53          * Driver requirements
  54          */
  55         DRIVER_REQUIRE_FIRMWARE,
  56 +       DRIVER_REQUIRE_MCU,
  57         DRIVER_REQUIRE_BEACON_GUARD,
  58         DRIVER_REQUIRE_ATIM_QUEUE,
  59         DRIVER_REQUIRE_DMA,