This change adds support to read device descriptor and string descriptor
from a UFS device
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Reviewed-by: Hannes Reinecke <h...@suse.com>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <
Hannes Reinecke <h...@suse.de>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs.h| 31 ++
drivers/scsi/ufs/ufs_quirks.h | 139 ++
drivers/scs
void this situation, this change adds 2ms delay before putting
these UFS rails in LPM mode.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@code
of kernel logs.
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 93 +++
drivers/scsi/ufs/ufshci
, indicating the timeout between reads will
be done by sleeping or spinning the cpu.
Reviewed-by: Hannes Reinecke <h...@suse.com>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi
g>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 118 ++
drivers/scsi/ufs/ufshcd.h | 1 +
drivers/scsi/ufs/ufshci.h | 2 +
drivers/scsi/ufs/unipro.h | 21 +
4 files changed, 142 insertions(+)
diff --
e a race condition"
fixed and few comments.
V1:
This series should be pushed on top of 15 patches series:
"Big fixes, retries, handle a race condition"
Yaniv Gardi (15):
scsi: ufs-qcom: add number of lanes per direction
scsi: ufs: avoid spurious UFS host controller interrupts
This change adds printouts of testbus and debug registers.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 77 +
drivers/scsi/ufs/ufs-qcom.h | 9 +++
Some UFS devices don't require VCCQ rail for device operations hence
this change adds support to recognize such devices and remove vote for
the unused VCCQ rail.
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yani
Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufsh
ed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 27 ---
drivers/scsi/ufs/unipro.h | 1 +
2 files changed, 21 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index ed57729..96
<gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 36
1 file changed, 36 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index de7280c..3400ceb 100644
--- a/drivers
davani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 155 +-
1 file changed, 112 insertions(+), 43 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
inde
This change enables the device ref clock before changing to HS mode
and disables it if entered to PWM mode.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 12
drivers/scsi/ufs/ufs
Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
.../devicetree/bindings/ufs/ufshcd-pltfrm.txt | 3 ++
drivers/scsi/ufs/ufs-qcom.c| 39 --
drivers/scsi/ufs/ufshcd-pltfrm.c | 19 +++
d
;
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 55 +++
1 file changed, 37 insertions(+), 18 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 4eedb7f..b429a57 100644
---
ubhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
drivers/scsi/ufs/ufshcd.h | 6 ++
2 files changed, 52 insertions(+), 7 deletions(-)
diff --git a/drivers/s
interrupt handling.
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers
;
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs.h| 53 +++
drivers/scsi/ufs/ufshcd.c | 208 +-
include/uapi/scsi/Kbuild | 1 +
include/uap
ff-by: Dolev Raviv <dra...@codeaurora.org>
Signed-off-by: Noa Rubens <n...@codeaurora.org>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/u
;
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs.h| 53 +++
drivers/scsi/ufs/ufshcd.c | 208 +-
include/uapi/scsi/Kbuild | 1 +
include/uap
This change adds support to read device descriptor and string descriptor
from a UFS device
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Reviewed-by: Hannes Reinecke <h...@suse.com>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <
<gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 36
1 file changed, 36 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index de7280c..3400ceb 100644
---
Some UFS devices don't require VCCQ rail for device operations hence
this change adds support to recognize such devices and remove vote for
the unused VCCQ rail.
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yani
Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
.../devicetree/bindings/ufs/ufshcd-pltfrm.txt | 3 ++
drivers/scsi/ufs/ufs-qcom.c| 39 --
drivers/scsi/ufs/ufshcd-pltfrm.c | 19 +++
d
of kernel logs.
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 93 +++
drivers/scsi/ufs/ufshci
interrupt handling.
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers
g>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 118 ++
drivers/scsi/ufs/ufshcd.h | 1 +
drivers/scsi/ufs/ufshci.h | 2 +
drivers/scsi/ufs/unipro.h | 21 +
4 files changed, 142 insertions(+)
diff --
Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufsh
davani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 155 +-
1 file changed, 112 insertions(+), 43 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
inde
ubhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
drivers/scsi/ufs/ufshcd.h | 6 ++
2 files changed, 52 insertions(+), 7 deletions(-)
diff --git a/drivers/s
void this situation, this change adds 2ms delay before putting
these UFS rails in LPM mode.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Reviewed-by: Hannes Reinecke <h...@suse.de>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@code
This change enables the device ref clock before changing to HS mode
and disables it if entered to PWM mode.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 12
drivers/scsi/ufs/ufs
ed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 27 ---
drivers/scsi/ufs/unipro.h | 1 +
2 files changed, 21 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index ed57729..96
This change adds printouts of testbus and debug registers.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 77 +
drivers/scsi/ufs/ufs-qcom.h | 9 +++
Hannes Reinecke <h...@suse.de>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/Makefile | 2 +-
drivers/scsi/ufs/ufs.h| 31 +++
drivers/scsi/ufs/ufs_quirks.c | 100
;
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 55 +++
1 file changed, 37 insertions(+), 18 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index e9c7c91..394054e 100644
---
, indicating the timeout between reads will
be done by sleeping or spinning the cpu.
Reviewed-by: Hannes Reinecke <h...@suse.com>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi
s, retries, handle a race condition"
Yaniv Gardi (15):
scsi: ufs-qcom: add number of lanes per direction
scsi: ufs: avoid spurious UFS host controller interrupts
scsi: ufs: implement scsi host timeout handler
scsi: ufs: verify hba controller hce reg value
scsi: ufs: add support to r
Some UFS devices don't require VCCQ rail for device operations hence
this change adds support to recognize such devices and remove vote for
the unused VCCQ rail.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
driv
This change adds printouts of testbus and debug registers.
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 77 +
drivers/scsi/ufs/ufs-qcom.h | 9 ++
2 files changed, 86 insertions(+)
diff --git a/driver
Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/Makefile | 2 +-
drivers/scsi/ufs/ufs.h| 31 +++
drivers/scsi/ufs/ufs_quirks.c | 100 ++
drivers/scsi/ufs/
Some UFS devices (and may be host) have issues if LCC is
enabled. So we are setting PA_Local_TX_LCC_Enable to 0
before link startup which will make sure that both host
and device TX LCC are disabled once link startup is
completed.
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
d
void this situation, this change adds 2ms delay before putting
these UFS rails in LPM mode.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs_quirk
of kernel logs.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 93 +++
drivers/scsi/ufs/ufshci.h | 2 +
2 files changed, 95 insertions(+)
diff --g
interrupt handling.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
i
Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index c9c4d68..f108a0b 100644
--- a/drivers/scsi/
. But note that resetting host would any way clear
all the pending requests from the hardware. Hence this change skips
the forceful clear of the pending requests if we are anyway going to
reset the host (for fatal errors).
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by:
This change adds support to read device descriptor and string descriptor
from a UFS device
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs.h
, indicating the timeout between reads will
be done by sleeping or spinning the cpu.
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
driv
Query commands have 100ms timeout and it may timeout if they are
issued in parallel to ongoing read/write SCSI commands, this change
adds the retry (max: 10) in case command timeouts.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codea
ed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
drivers/scsi/ufs/ufshcd.h | 6 ++
2 files changed, 52 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
i
This change enables the device ref clock before changing to HS mode
and disables it if entered to PWM mode.
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 12
drivers/scsi/ufs/ufshcd.h | 9 +
2 files changed, 21 insertions(+)
timeout callback and bypass SCSI
error handling for request that were not actually sent to the device.
For such requests simply reset the block layer timer. Otherwise, let
SCSI layer perform the usual error handling.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gard
port UniPro ver 1.6 or later, we have to manually
tune them. But to keep manual tuning logic simple, we will only do
manual tuning if local unipro version doesn't support ver1.6 or later.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@c
:
This series should be pushed on top of 15 patches series:
"Big fixes, retries, handle a race condition"
fixed and few comments.
V1:
This series should be pushed on top of 15 patches series:
"Big fixes, retries, handle a race condition"
Yaniv Gardi (15):
scsi: ufs-qcom: add
Different platform may have different number of lanes
for the UFS link.
Add parameter to device tree specifying how many lanes
should be configured for the UFS link.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
..
Different platform may have different number of lanes
for the UFS link.
Add parameter to device tree specifying how many lanes
should be configured for the UFS link.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
..
timeout callback and bypass SCSI
error handling for request that were not actually sent to the device.
For such requests simply reset the block layer timer. Otherwise, let
SCSI layer perform the usual error handling.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gard
interrupt handling.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
i
, indicating the timeout between reads will
be done by sleeping or spinning the cpu.
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
driv
Some UFS devices don't require VCCQ rail for device operations hence
this change adds support to recognize such devices and remove vote for
the unused VCCQ rail.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
driv
This change adds support to read device descriptor and string descriptor
from a UFS device
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs.h
Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/Makefile | 2 +-
drivers/scsi/ufs/ufs.h| 31 +++
drivers/scsi/ufs/ufs_quirks.c | 100 ++
drivers/scsi/ufs/
ed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
drivers/scsi/ufs/ufshcd.h | 6 ++
2 files changed, 52 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
i
. But note that resetting host would any way clear
all the pending requests from the hardware. Hence this change skips
the forceful clear of the pending requests if we are anyway going to
reset the host (for fatal errors).
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by:
of kernel logs.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 93 +++
drivers/scsi/ufs/ufshci.h | 2 +
2 files changed, 95 insertions(+)
diff --g
port UniPro ver 1.6 or later, we have to manually
tune them. But to keep manual tuning logic simple, we will only do
manual tuning if local unipro version doesn't support ver1.6 or later.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@c
Query commands have 100ms timeout and it may timeout if they are
issued in parallel to ongoing read/write SCSI commands, this change
adds the retry (max: 10) in case command timeouts.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codea
void this situation, this change adds 2ms delay before putting
these UFS rails in LPM mode.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs_quirk
Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index c9c4d68..f108a0b 100644
--- a/drivers/scsi/
to HS mode
and disables it if entered to PWM mode
- adds printouts of testbus debug registers
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 116 +---
drivers/scsi/ufs/ufs-qcom.h | 9
drivers/scsi/ufs/uf
fixes, retries, handle a race condition"
fixed and few comments.
V1:
This series should be pushed on top of 15 patches series:
"Big fixes, retries, handle a race condition"
Yaniv Gardi (15):
scsi: ufs-qcom: add number of lanes per direction
scsi: ufs: avoid spurious UFS host c
. But note that resetting host would any way clear
all the pending requests from the hardware. Hence this change skips
the forceful clear of the pending requests if we are anyway going to
reset the host (for fatal errors).
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by:
Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/Makefile | 2 +-
drivers/scsi/ufs/ufs.h| 32 +++
drivers/scsi/ufs/ufs_quirks.c | 100 ++
drivers/scsi/ufs/
Some UFS devices don't require VCCQ rail for device operations hence
this change adds support to recognize such devices and remove vote for
the unused VCCQ rail.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
driv
of kernel logs.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 93 +++
drivers/scsi/ufs/ufshci.h | 2 +
2 files changed, 95 insertions(+)
diff --g
Some UFS devices don't require VCCQ rail for device operations hence
this change adds support to recognize such devices and remove vote for
the unused VCCQ rail.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
driv
Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/Makefile | 2 +-
drivers/scsi/ufs/ufs.h| 32 +++
drivers/scsi/ufs/ufs_quirks.c | 100 ++
drivers/scsi/ufs/
of kernel logs.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 93 +++
drivers/scsi/ufs/ufshci.h | 2 +
2 files changed, 95 insertions(+)
diff --g
. But note that resetting host would any way clear
all the pending requests from the hardware. Hence this change skips
the forceful clear of the pending requests if we are anyway going to
reset the host (for fatal errors).
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by:
, indicating the timeout between reads will
be done by sleeping or spinning the cpu.
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
driv
Different platform may have different number of lanes
for the UFS link.
Add parameter to device tree specifying how many lanes
should be configured for the UFS link.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
..
timeout callback and bypass SCSI
error handling for request that were not actually sent to the device.
For such requests simply reset the block layer timer. Otherwise, let
SCSI layer perform the usual error handling.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gard
void this situation, this change adds 2ms delay before putting
these UFS rails in LPM mode.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs_quirk
Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3c550e2..f7a699c2 100644
--- a/drivers/scsi/
to HS mode
and disables it if entered to PWM mode
- adds printouts of testbus debug registers
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 116 +---
drivers/scsi/ufs/ufs-qcom.h | 9
drivers/scsi/ufs/uf
, indicating the timeout between reads will
be done by sleeping or spinning the cpu.
Signed-off-by: Raviv Shvili <rshv...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
driv
to HS mode
and disables it if entered to PWM mode
- adds printouts of testbus debug registers
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufs-qcom.c | 116 +---
drivers/scsi/ufs/ufs-qcom.h | 9
drivers/scsi/ufs/uf
Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 10 ++
1 file changed, 10 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index 3c550e2..f7a699c2 100644
--- a/drivers/scsi/
Query commands have 100ms timeout and it may timeout if they are
issued in parallel to ongoing read/write SCSI commands, this change
adds the retry (max: 10) in case command timeouts.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codea
ed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 53 ---
drivers/scsi/ufs/ufshcd.h | 6 ++
2 files changed, 52 insertions(+), 7 deletions(-)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
i
ments.
V1:
This series should be pushed on top of 15 patches series:
"Big fixes, retries, handle a race condition"
Yaniv Gardi (14):
scsi: ufs-qcom: add number of lanes per direction
scsi: ufs: avoid spurious UFS host controller interrupts
scsi: ufs: implement scsi host timeout handler
s
Different platform may have different number of lanes
for the UFS link.
Add parameter to device tree specifying how many lanes
should be configured for the UFS link.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
..
timeout callback and bypass SCSI
error handling for request that were not actually sent to the device.
For such requests simply reset the block layer timer. Otherwise, let
SCSI layer perform the usual error handling.
Signed-off-by: Gilad Broner <gbro...@codeaurora.org>
Signed-off-by: Yaniv Gard
interrupt handling.
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 15 +++
1 file changed, 15 insertions(+)
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
i
from first 2 context listed above. This change fixes
the recovery by adding proper error handling mechanism.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Reviewed-by: Dolev Raviv <dra...@codeaurora.org>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by
<gbro...@codeaurora.org>
Reviewed-by: Dolev Raviv <dra...@codeaurora.org>
Signed-off-by: Lee Susman <lsus...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 40 +---
1 file changed, 29 ins
while PM callbacks are running.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Reviewed-by: Dolev Raviv <dra...@codeaurora.org>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by: Yaniv Gardi <yga...@codeaurora.org>
---
drivers/scsi/ufs/ufshcd.c | 15
have to retry fDeviceInit query requests multiple times and
each query request timeout prints one error message.
Reviewed-by: Gilad Broner <gbro...@codeaurora.org>
Reviewed-by: Dolev Raviv <dra...@codeaurora.org>
Signed-off-by: Subhash Jadavani <subha...@codeaurora.org>
Signed-off-by
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