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| author | Björn Bidar | 2016-06-10 22:13:32 +0200 |
|---|---|---|
| committer | Björn Bidar | 2016-06-10 22:13:32 +0200 |
| commit | a6639f82ef4a5037a10e2ac606a933e89deb250a (patch) | |
| tree | aee1d8c0d650328ed8b0d1d255e72aeba48bad00 /0001-linux-4.6-rtlwifi-fix-atomic.patch | |
| parent | 4d5af68ff739361d8b474d119eeacd2244269ca0 (diff) | |
| download | aur-a6639f82ef4a5037a10e2ac606a933e89deb250a.tar.gz | |
upkg, added seperate uksm patch
Diffstat (limited to '0001-linux-4.6-rtlwifi-fix-atomic.patch')
| -rw-r--r-- | 0001-linux-4.6-rtlwifi-fix-atomic.patch | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/0001-linux-4.6-rtlwifi-fix-atomic.patch b/0001-linux-4.6-rtlwifi-fix-atomic.patch new file mode 100644 index 000000000000..585e70522e71 --- /dev/null +++ b/0001-linux-4.6-rtlwifi-fix-atomic.patch @@ -0,0 +1,205 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" + "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<html xmlns='http://www.w3.org/1999/xhtml' xml:lang='en' lang='en'> +<head> +<title>svntogit/packages.git - Git clone of the 'packages' repository +</title> +<meta name='generator' content='cgit '/> +<meta name='robots' content='index, nofollow'/> +<link rel='stylesheet' type='text/css' href='/cgit.css'/> +<link rel='shortcut icon' href='/favicon.ico'/> +<link rel='alternate' title='Atom feed' href='https://git.archlinux.org/svntogit/packages.git/atom/trunk/0001-linux-4.6-rtlwifi-fix-atomic.patch?h=packages/linux' type='application/atom+xml'/> +<link rel='vcs-git' href='https://git.archlinux.org/svntogit/packages.git' 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class='blob'> +<tr><td class='linenumbers'><pre><a id='n1' href='#n1'>1</a> +<a id='n2' href='#n2'>2</a> +<a id='n3' href='#n3'>3</a> +<a id='n4' href='#n4'>4</a> +<a id='n5' href='#n5'>5</a> +<a id='n6' href='#n6'>6</a> +<a id='n7' href='#n7'>7</a> +<a id='n8' href='#n8'>8</a> +<a id='n9' href='#n9'>9</a> +<a id='n10' href='#n10'>10</a> +<a id='n11' href='#n11'>11</a> +<a id='n12' href='#n12'>12</a> +<a id='n13' href='#n13'>13</a> +<a id='n14' href='#n14'>14</a> +<a id='n15' href='#n15'>15</a> +<a id='n16' href='#n16'>16</a> +<a id='n17' href='#n17'>17</a> +<a id='n18' href='#n18'>18</a> +<a id='n19' href='#n19'>19</a> +<a id='n20' href='#n20'>20</a> +<a id='n21' href='#n21'>21</a> +<a id='n22' href='#n22'>22</a> +<a id='n23' href='#n23'>23</a> +<a id='n24' href='#n24'>24</a> +<a id='n25' href='#n25'>25</a> +<a id='n26' href='#n26'>26</a> +<a id='n27' href='#n27'>27</a> +<a id='n28' href='#n28'>28</a> +<a id='n29' href='#n29'>29</a> +<a id='n30' href='#n30'>30</a> +<a id='n31' 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href='#n62'>62</a> +<a id='n63' href='#n63'>63</a> +<a id='n64' href='#n64'>64</a> +<a id='n65' href='#n65'>65</a> +<a id='n66' href='#n66'>66</a> +<a id='n67' href='#n67'>67</a> +<a id='n68' href='#n68'>68</a> +<a id='n69' href='#n69'>69</a> +<a id='n70' href='#n70'>70</a> +</pre></td> +<td class='lines'><pre><code>From de26859dcf363d520cc44e59f6dcaf20ebe0aadf Mon Sep 17 00:00:00 2001 +From: Larry Finger <Larry.Finger@lwfinger.net> +Date: Sat, 21 May 2016 11:50:35 -0500 +Subject: rtlwifi: Fix scheduling while atomic error from commit 49f86ec21c01 + +Commit 49f86ec21c01 ("rtlwifi: Change long delays to sleeps") was correct +for most cases; however, driver rtl8192ce calls the affected routines while +in atomic context. The kernel bug output is as follows: + +BUG: scheduling while atomic: wpa_supplicant/627/0x00000002 +[...] + [<ffffffff815c2b39>] __schedule+0x899/0xad0 + [<ffffffff815c2dac>] schedule+0x3c/0x90 + [<ffffffff815c5bb2>] schedule_hrtimeout_range_clock+0xa2/0x120 + [<ffffffff810e8b80>] ? hrtimer_init+0x120/0x120 + [<ffffffff815c5ba6>] ? schedule_hrtimeout_range_clock+0x96/0x120 + [<ffffffff815c5c43>] schedule_hrtimeout_range+0x13/0x20 + [<ffffffff815c568f>] usleep_range+0x4f/0x70 + [<ffffffffa0667218>] rtl_rfreg_delay+0x38/0x50 [rtlwifi] + [<ffffffffa06dd0e7>] rtl92c_phy_config_rf_with_headerfile+0xc7/0xe0 [rtl8192ce] + +To fix this bug, three of the changes from delay to sleep are reverted. +Unfortunately, one of the changes involves a delay of 50 msec. The calling +code will be modified so that this long delay can be avoided; however, +this change is being pushed now to fix the problem in kernel 4.6.0. + +Fixes: 49f86ec21c01 ("rtlwifi: Change long delays to sleeps") +Reported-by: James Feeney <james@nurealm.net> +Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> +Cc: James Feeney <james@nurealm.net> +Cc: Stable <stable@vger.kernel.org> [4.6+] +Signed-off-by: Kalle Valo <kvalo@codeaurora.org> +<span class="hl kwb">---</span> + drivers/net/wireless/realtek/rtlwifi/core.c | 6 +++--- + 1 file changed, 3 insertions(+), 3 deletions(-) + +diff --git a/drivers/net/wireless/realtek/rtlwifi/core.c b/drivers/net/wireless/realtek/rtlwifi/core.c +index 0f48048..3a0faa8 100644 +<span class="hl kwb">--- a/drivers/net/wireless/realtek/rtlwifi/core.c</span> +<span class="hl kwa">+++ b/drivers/net/wireless/realtek/rtlwifi/core.c</span> +@@ -54,7 +54,7 @@ EXPORT_SYMBOL(channel5g_80m); + void rtl_addr_delay(u32 addr) + { + if (addr == 0xfe) +<span class="hl kwb">- msleep(50);</span> +<span class="hl kwa">+ mdelay(50);</span> + else if (addr == 0xfd) + msleep(5); + else if (addr == 0xfc) +@@ -75,7 +75,7 @@ void rtl_rfreg_delay(struct ieee80211_hw *hw, enum radio_path rfpath, u32 addr, + rtl_addr_delay(addr); + } else { + rtl_set_rfreg(hw, rfpath, addr, mask, data); +<span class="hl kwb">- usleep_range(1, 2);</span> +<span class="hl kwa">+ udelay(1);</span> + } + } + EXPORT_SYMBOL(rtl_rfreg_delay); +@@ -86,7 +86,7 @@ void rtl_bb_delay(struct ieee80211_hw *hw, u32 addr, u32 data) + rtl_addr_delay(addr); + } else { + rtl_set_bbreg(hw, addr, MASKDWORD, data); +<span class="hl kwb">- usleep_range(1, 2);</span> +<span class="hl kwa">+ udelay(1);</span> + } + } + EXPORT_SYMBOL(rtl_bb_delay); +<span class="hl kwb">-- </span> +cgit v0.12 + +</code></pre></td></tr></table> +</div> <!-- class=content --> +<div class="foot" style="padding-left:1em;padding-right:1em;"> +<p>Copyright © 2002-2016 <a href="mailto:jvinet@zeroflux.org" +title="contact Judd Vinet">Judd Vinet</a> and <a href="mailto:aaron@archlinux.org" +title="contact Aaron Griffin">Aaron Griffin</a>. 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