Public bug reported:
It's a regression introduced by a27fbf2f067b0cd ("mmc: add ignorance
case for CMD13 CRC error") from v3.13, only trusty is affected.
This commit could fix it:
>From 5027251eced6e34315a52bd841279df957f627bb Mon Sep 17 00:00:00 2001
From: Micky Ching <[email protected]>
Date: Thu, 27 Mar 2014 13:35:04 +0800
Subject: [PATCH] mmc: rtsx: add R1-no-CRC mmc command type handle
a27fbf2f067b0cd ("mmc: add ignorance case for CMD13 CRC error") produced
a cmd.flags unhandled in realtek pci host driver. This will make MMC
card fail to initialize, this patch is used to handle the new cmd.flags
condition and MMC card can be used.
Signed-off-by: Micky Ching <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
---
drivers/mmc/host/rtsx_pci_sdmmc.c | 3 +++
1 file changed, 3 insertions(+)
** Affects: hwe-next
Importance: Undecided
Status: New
** Affects: linux (Ubuntu)
Importance: High
Assignee: Adam Lee (adam8157)
Status: In Progress
** Description changed:
It's a regression introduced by a27fbf2f067b0cd ("mmc: add ignorance
- case for CMD13 CRC error").
+ case for CMD13 CRC error") from v3.13, only trusty is affected.
This commit could fix it:
From 5027251eced6e34315a52bd841279df957f627bb Mon Sep 17 00:00:00 2001
From: Micky Ching <[email protected]>
Date: Thu, 27 Mar 2014 13:35:04 +0800
Subject: [PATCH] mmc: rtsx: add R1-no-CRC mmc command type handle
a27fbf2f067b0cd ("mmc: add ignorance case for CMD13 CRC error") produced
a cmd.flags unhandled in realtek pci host driver. This will make MMC
card fail to initialize, this patch is used to handle the new cmd.flags
condition and MMC card can be used.
Signed-off-by: Micky Ching <[email protected]>
Signed-off-by: Ulf Hansson <[email protected]>
Signed-off-by: Chris Ball <[email protected]>
---
- drivers/mmc/host/rtsx_pci_sdmmc.c | 3 +++
- 1 file changed, 3 insertions(+)
+ drivers/mmc/host/rtsx_pci_sdmmc.c | 3 +++
+ 1 file changed, 3 insertions(+)
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https://bugs.launchpad.net/bugs/1365378
Title:
[Regression] realtek pci-e card readers don't recognize mmc cards
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