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Add mei patches that fix various s/r issues (rhbz 994824 989373)

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This commit is contained in:
Josh Boyer 2013-08-28 14:33:47 -04:00
parent 05be2c070e
commit 6db14169b3
2 changed files with 109 additions and 0 deletions
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5
kernel.spec
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@ -746,6 +746,8 @@ Patch25077: media-cx23885-Fix-TeVii-S471-regression-since-introduction-of-ts2020
#rhbz 989269 #rhbz 989269
Patch25079: mac80211-add-a-flag-to-indicate-CCK-support-for-HT-clients.patch Patch25079: mac80211-add-a-flag-to-indicate-CCK-support-for-HT-clients.patch
Patch25090: mei-me-fix-hardware-reset-flow.patch
# END OF PATCH DEFINITIONS # END OF PATCH DEFINITIONS
%endif %endif
@ -1445,6 +1447,8 @@ ApplyPatch media-cx23885-Fix-TeVii-S471-regression-since-introduction-of-ts2020.
#rhbz 989269 #rhbz 989269
ApplyPatch mac80211-add-a-flag-to-indicate-CCK-support-for-HT-clients.patch ApplyPatch mac80211-add-a-flag-to-indicate-CCK-support-for-HT-clients.patch
ApplyPatch mei-me-fix-hardware-reset-flow.patch
# END OF PATCH APPLICATIONS # END OF PATCH APPLICATIONS
%endif %endif
@ -2241,6 +2245,7 @@ fi
%changelog %changelog
* Thu Aug 29 2013 Josh Boyer <jwboyer@fedoraproject.org> - 3.11.0-0.rc7.git2.1 * Thu Aug 29 2013 Josh Boyer <jwboyer@fedoraproject.org> - 3.11.0-0.rc7.git2.1
- Linux v3.11-rc7-24-gc95389b - Linux v3.11-rc7-24-gc95389b
- Add mei patches that fix various s/r issues (rhbz 994824 989373)
* Wed Aug 28 2013 Josh Boyer <jwboyer@fedoraproject.org> - 3.11.0-0.rc7.git1.1 * Wed Aug 28 2013 Josh Boyer <jwboyer@fedoraproject.org> - 3.11.0-0.rc7.git1.1
- Linux v3.11-rc7-14-gfa8218d - Linux v3.11-rc7-14-gfa8218d

104
mei-me-fix-hardware-reset-flow.patch Normal file
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@ -0,0 +1,104 @@
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From: Tomas Winkler <tomas.winkler@intel.com>
To: gregkh@linuxfoundation.org
Cc: arnd@arndb.de, linux-kernel@vger.kernel.org,
Tomas Winkler <tomas.winkler@intel.com>,
stable@vger.kernel.org, Shuah Khan <shuah.kh@samsung.com>,
Konstantin Khlebnikov <khlebnikov@openvz.org>
Subject: [3.10][PATCH 4/4] mei: me: fix hardware reset flow
Date: Sun, 25 Aug 2013 12:49:49 +0300
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stable: 3.10
commit ff96066e3171acdea356b331163495957cb833d0 char-misc
Both H_IS and H_IE needs to be set to receive H_RDY
interrupt
1. Assert H_IS to clear the interrupts during hw reset
and use mei_me_reg_write instead of mei_hcsr_set as the later
strips down the H_IS
2. fix interrupt disablement embarrassing typo
hcsr |= ~H_IE -> hcsr &= ~H_IE;
this will remove the unwanted interrupt on power down
3. remove useless debug print outs
Cc: stable@vger.kernel.org
Cc: Shuah Khan <shuah.kh@samsung.com>
Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Conflicts:
drivers/misc/mei/hw-me.c
---
drivers/misc/mei/hw-me.c | 8 +++-----
1 file changed, 3 insertions(+), 5 deletions(-)
diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
index 700fe55..1bf3f8b 100644
--- a/drivers/misc/mei/hw-me.c
+++ b/drivers/misc/mei/hw-me.c
@@ -176,16 +176,14 @@ static void mei_me_hw_reset(struct mei_device *dev, bool intr_enable)
struct mei_me_hw *hw = to_me_hw(dev);
u32 hcsr = mei_hcsr_read(hw);
- dev_dbg(&dev->pdev->dev, "before reset HCSR = 0x%08x.\n", hcsr);
-
- hcsr |= (H_RST | H_IG);
+ hcsr |= H_RST | H_IG | H_IS;
if (intr_enable)
hcsr |= H_IE;
else
- hcsr |= ~H_IE;
+ hcsr &= ~H_IE;
- mei_hcsr_set(hw, hcsr);
+ mei_me_reg_write(hw, H_CSR, hcsr);
if (dev->dev_state == MEI_DEV_POWER_DOWN)
mei_me_hw_reset_release(dev);
--
1.8.1.2
--
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