so, for trusty, backporting eb61b3276e099d937fcdae2c67aec4766bba2dc3
mfd: rtsx_pcr: Fix MSI enable error handling or
034cd97ebda4062eb4402a6cf963ccd262caa86a PCI/MSI: Remove
pci_enable_msi_block() will fix this issue.
** Summary changed:
- mfd: rtsx_pcr: Fix MSI enable error handling
+ [Dell XPS
Thanks to 034cd97ebda4062eb4402a6cf963ccd262caa86a PCI/MSI: Remove
pci_enable_msi_block(), this patch is not necessary for Utopic
** Changed in: linux (Ubuntu Utopic)
Status: In Progress = Invalid
** Changed in: linux (Ubuntu Trusty)
Assignee: (unassigned) = Adam Lee (adam8157)
--
Sorry, I didn't notice that the other bug says that it stops working
*after* suspend. The issue here is that the device *never* works before
this patch. The patch I link to is required in order for the card reader
to work at all on the XPS 11. So, the patch I link to in this bug
description is
Vendor comments the solution this bug mentioned:
The solution in Launchpad is just a workaround, not a fix. We have
submitted our patch recently, and please apply our patch to fix this
problem.
Our patch set:
https://www.mail-archive.com/linux-kernel@vger.kernel.org/msg723994.html;
So we need
https://bugs.launchpad.net/hwe-next/trusty/+bug/1359052 looks like the
same issue as this, which was fixed by another solution from vendor, I'm
contacting vendor for advice.
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That's just a workaround that manually forces MSI to be disabled. If you look
at the lspci output in that other bug report, you see that MSI is also disabled
for the card reader in that system:
02:00.0 Unassigned class [ff00]: Realtek Semiconductor Co., Ltd. Device 5249
(rev 01)
[snip]
** Changed in: linux (Ubuntu)
Status: Incomplete = Confirmed
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https://bugs.launchpad.net/bugs/1366841
Title:
mfd: rtsx_pcr: Fix MSI enable error handling
To manage
** Changed in: linux (Ubuntu)
Importance: Undecided = Medium
** Tags added: trusty utopic
** Changed in: linux (Ubuntu)
Status: Confirmed = Triaged
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Bugs, which is subscribed to Ubuntu.
** Changed in: linux (Ubuntu Trusty)
Importance: Undecided = Medium
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https://bugs.launchpad.net/bugs/1366841
Title:
mfd: rtsx_pcr: Fix MSI enable error handling
To manage
** Also affects: linux (Ubuntu Trusty)
Importance: Undecided
Status: New
** Also affects: linux (Ubuntu Utopic)
Importance: Medium
Status: Triaged
** Changed in: linux (Ubuntu Trusty)
Status: New = In Progress
** Changed in: linux (Ubuntu Trusty)
Assignee:
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