Add mei patches that fix various s/r issues (rhbz 994824 989373)
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Josh Boyer
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05be2c070e
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@ -746,6 +746,8 @@ Patch25077: media-cx23885-Fix-TeVii-S471-regression-since-introduction-of-ts2020
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#rhbz 989269
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Patch25079: mac80211-add-a-flag-to-indicate-CCK-support-for-HT-clients.patch
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Patch25090: mei-me-fix-hardware-reset-flow.patch
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# END OF PATCH DEFINITIONS
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%endif
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@ -1445,6 +1447,8 @@ ApplyPatch media-cx23885-Fix-TeVii-S471-regression-since-introduction-of-ts2020.
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#rhbz 989269
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ApplyPatch mac80211-add-a-flag-to-indicate-CCK-support-for-HT-clients.patch
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ApplyPatch mei-me-fix-hardware-reset-flow.patch
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# END OF PATCH APPLICATIONS
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%endif
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@ -2241,6 +2245,7 @@ fi
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%changelog
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* Thu Aug 29 2013 Josh Boyer <jwboyer@fedoraproject.org> - 3.11.0-0.rc7.git2.1
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- Linux v3.11-rc7-24-gc95389b
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- Add mei patches that fix various s/r issues (rhbz 994824 989373)
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* Wed Aug 28 2013 Josh Boyer <jwboyer@fedoraproject.org> - 3.11.0-0.rc7.git1.1
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- Linux v3.11-rc7-14-gfa8218d
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104
mei-me-fix-hardware-reset-flow.patch
Normal file
104
mei-me-fix-hardware-reset-flow.patch
Normal file
@ -0,0 +1,104 @@
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From: Tomas Winkler <tomas.winkler@intel.com>
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To: gregkh@linuxfoundation.org
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Cc: arnd@arndb.de, linux-kernel@vger.kernel.org,
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Tomas Winkler <tomas.winkler@intel.com>,
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stable@vger.kernel.org, Shuah Khan <shuah.kh@samsung.com>,
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Konstantin Khlebnikov <khlebnikov@openvz.org>
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Subject: [3.10][PATCH 4/4] mei: me: fix hardware reset flow
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Date: Sun, 25 Aug 2013 12:49:49 +0300
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stable: 3.10
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commit ff96066e3171acdea356b331163495957cb833d0 char-misc
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Both H_IS and H_IE needs to be set to receive H_RDY
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interrupt
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1. Assert H_IS to clear the interrupts during hw reset
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and use mei_me_reg_write instead of mei_hcsr_set as the later
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strips down the H_IS
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2. fix interrupt disablement embarrassing typo
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hcsr |= ~H_IE -> hcsr &= ~H_IE;
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this will remove the unwanted interrupt on power down
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3. remove useless debug print outs
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Cc: stable@vger.kernel.org
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Cc: Shuah Khan <shuah.kh@samsung.com>
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Cc: Konstantin Khlebnikov <khlebnikov@openvz.org>
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Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
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Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Conflicts:
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drivers/misc/mei/hw-me.c
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---
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drivers/misc/mei/hw-me.c | 8 +++-----
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1 file changed, 3 insertions(+), 5 deletions(-)
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diff --git a/drivers/misc/mei/hw-me.c b/drivers/misc/mei/hw-me.c
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index 700fe55..1bf3f8b 100644
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--- a/drivers/misc/mei/hw-me.c
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+++ b/drivers/misc/mei/hw-me.c
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@@ -176,16 +176,14 @@ static void mei_me_hw_reset(struct mei_device *dev, bool intr_enable)
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struct mei_me_hw *hw = to_me_hw(dev);
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u32 hcsr = mei_hcsr_read(hw);
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- dev_dbg(&dev->pdev->dev, "before reset HCSR = 0x%08x.\n", hcsr);
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-
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- hcsr |= (H_RST | H_IG);
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+ hcsr |= H_RST | H_IG | H_IS;
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if (intr_enable)
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hcsr |= H_IE;
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else
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- hcsr |= ~H_IE;
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+ hcsr &= ~H_IE;
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- mei_hcsr_set(hw, hcsr);
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+ mei_me_reg_write(hw, H_CSR, hcsr);
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if (dev->dev_state == MEI_DEV_POWER_DOWN)
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mei_me_hw_reset_release(dev);
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--
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1.8.1.2
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--
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