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

   1 From 15eed6b853b7e06f08632ef3cbe6cc42ac3eb858 Mon Sep 17 00:00:00 2001
   2 From: Daniel Golle <daniel@makrotopia.org>
   3 Date: Thu, 27 Dec 2018 15:05:26 +0100
   4 Subject: [PATCH 01/16] rt2x00: define RF5592 in init_eeprom routine
   5 MIME-Version: 1.0
   6 Content-Type: text/plain; charset=UTF-8
   7 Content-Transfer-Encoding: 8bit
   8 To: linux-wireless@vger.kernel.org,
   9     Stanislaw Gruszka <stf_xl@wp.pl>,
  10     Helmut Schaa <helmut.schaa@googlemail.com>
  11 Cc: Kalle Valo <kvalo@kernel.org>,
  12     David S. Miller <davem@davemloft.net>,
  13     Eric Dumazet <edumazet@google.com>,
  14     Jakub Kicinski <kuba@kernel.org>,
  15     Paolo Abeni <pabeni@redhat.com>,
  16     Johannes Berg <johannes.berg@intel.com>
  17
  18 From: Tomislav Požega <pozega.tomislav@gmail.com>
  19
  20 This patch fixes following crash on Linksys EA2750 during 5GHz wifi
  21 init:
  22
  23 [    7.955153] rt2800pci 0000:01:00.0: card - bus=0x1, slot = 0x0 irq=4
  24 [    7.962259] rt2800pci 0000:01:00.0: loaded eeprom from mtd device "Factory"
  25 [    7.969435] ieee80211 phy0: rt2x00_set_rt: Info - RT chipset 5592, rev 0222 detected
  26 [    7.977348] ieee80211 phy0: rt2800_init_eeprom: Error - Invalid RF chipset 0x0000 detected
  27 [    7.985793] ieee80211 phy0: rt2x00lib_probe_dev: Error - Failed to allocate device
  28 [    7.993569] CPU 0 Unable to handle kernel paging request at virtual address 00000024, epc == 800c8f54, ra == 80249ff8
  29 [    8.004408] Oops[#1]:
  30
  31 Signed-off-by: Tomislav Požega <pozega.tomislav@gmail.com>
  32 ---
  33  drivers/net/wireless/ralink/rt2x00/rt2800lib.c | 2 ++
  34  1 file changed, 2 insertions(+)
  35
  36 --- a/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  37 +++ b/drivers/net/wireless/ralink/rt2x00/rt2800lib.c
  38 @@ -9435,6 +9435,8 @@ static int rt2800_init_eeprom(struct rt2
  39                 rf = RF3853;
  40         else if (rt2x00_rt(rt2x00dev, RT5350))
  41                 rf = RF5350;
  42 +       else if (rt2x00_rt(rt2x00dev, RT5592))
  43 +               rf = RF5592;
  44         else
  45                 rf = rt2x00_get_field16(eeprom, EEPROM_NIC_CONF0_RF_TYPE);
  46