package/kernel/mac80211/patches/rt2x00/002-rt2x00-define-RF5592-in-init_eeprom-routine.patch

   1 From patchwork Thu Dec 27 14:05:26 2018
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   5 X-Patchwork-Submitter: Tom Psyborg <pozega.tomislav@gmail.com>
   6 X-Patchwork-Id: 10743707
   7 X-Patchwork-Delegate: kvalo@adurom.com
   8 From: =?utf-8?q?Tomislav_Po=C5=BEega?= <pozega.tomislav@gmail.com>
   9 To: linux-wireless@vger.kernel.org
  10 Cc: kvalo@codeaurora.org, hauke@hauke-m.de, nbd@nbd.name,
  11         john@phrozen.org, sgruszka@redhat.com, daniel@makrotopia.org
  12 Subject: [PATCH 2/2] rt2x00: define RF5592 in init_eeprom routine
  13 Date: Thu, 27 Dec 2018 15:05:26 +0100
  14 Message-Id: <1545919526-4074-2-git-send-email-pozega.tomislav@gmail.com>
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  19 Sender: linux-wireless-owner@vger.kernel.org
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  24
  25 This patch fixes following crash on Linksys EA2750 during 5GHz wifi
  26 init:
  27
  28 [    7.955153] rt2800pci 0000:01:00.0: card - bus=0x1, slot = 0x0 irq=4
  29 [    7.962259] rt2800pci 0000:01:00.0: loaded eeprom from mtd device "Factory"
  30 [    7.969435] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 5592, rev 0222 detected
  31 [    7.977348] ieee80211 phy0: rt2800_init_eeprom: Error - Invalid RF chipset 0x0000 detected
  32 [    7.985793] ieee80211 phy0: rt2x00lib_probe_dev: Error - Failed to allocate device
  33 [    7.993569] CPU 0 Unable to handle kernel paging request at virtual address 00000024, epc == 800c8f54, ra == 80249ff8
  34 [    8.004408] Oops[#1]:
  35
  36 Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
  37 ---
  38  drivers/net/wireless/ralink/rt2x00/rt2800lib.c |    2 ++
  39  1 files changed, 2 insertions(+), 0 deletions(-)
  40
  41 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  42 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  43 @@ -9416,6 +9416,8 @@ static int rt2800_init_eeprom(struct rt2
  44                 rf = RF3853;
  45         else if (rt2x00_rt(rt2x00dev, RT5350))
  46                 rf = RF5350;
  47 +       else if (rt2x00_rt(rt2x00dev, RT5592))
  48 +               rf = RF5592;
  49         else
  50                 rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
  51