On 11/09/2015 02:57 AM, Sinan Kaya wrote:
> The mpt2sas and mpt3sas drivers are spinning forever in
> their IRQ handlers if there are a lot of jobs queued up
> by the PCIe card. This handler is causing spikes for
> the rest of the system and sluggish behavior.
>
> Marking all MSI interrupts as non
On 11/09/2015 02:57 AM, Sinan Kaya wrote:
> Current code gives up when 32 bit DMA is not supported.
> This problem has been observed on systems without any
> memory below 4 gig.
>
> This patch tests 64 bit support before bailing out to find
> a working combination.
>
That feels decidedly odd.
Wh
From: Seungwon Jeon
Some host controller needs specific handling before/after
(un)hibernation, This change adds specific callback function
to support vendor's implementation.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/ufshcd.c | 33 +
From: Seungwon Jeon
This adds Exynos Universal Flash Storage (UFS) Host Controller DT bindings.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
.../devicetree/bindings/ufs/ufs-exynos.txt | 104
1 file changed, 104 insertions(+)
create mode 100644 Doc
From: Seungwon Jeon
This patch introduces Exynos UFS host controller driver,
which mainly handles vendor-specific operations including
link startup, power mode change and hibernation/unhibernation.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/Kconfig |
From: Seungwon Jeon
This makes ufshcd_config_pwr_mode non-static so that other vendors
like exynos can use the same.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/ufshcd.c |5 ++---
drivers/scsi/ufs/ufshcd.h |2 ++
2 files changed, 4 insertions(+), 3 del
From: Seungwon Jeon
Some host controller needs nexus type information for handling
command. This change adds specific callback function to support
vendor's implementation.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/ufshcd.c |3 +++
drivers/scsi/ufs/ufshcd
From: Seungwon Jeon
Some host controller doesn't support host controller enable via HCE.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/ufshcd.c | 75 +++--
drivers/scsi/ufs/ufshcd.h |5 +++
2 files changed, 78 insert
From: Seungwon Jeon
Some host controller supports interrupt aggregation, but doesn't
allow to reset counter and timer by s/w.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/ufshcd.c |3 ++-
drivers/scsi/ufs/ufshcd.h |6 ++
2 files changed, 8 insertion
From: Seungwon Jeon
UTRD(UTP Transfer Request Descriptor)'s field such as offset/length,
especially response's has DWORD expression. This quirk can be specified
for host controller not to conform standard.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/ufshcd.c |
From: Seungwon Jeon
In the right behavior, setting the bit to '0' indicates clear and
'1' indicates no change. If host contoller handles this the other way,
UFSHCI_QUIRK_BROKEN_REQ_LIST_CLR can be used.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
---
drivers/scsi/ufs/ufshcd.c |
From: Seungwon Jeon
This patch introduces Exynos UFS PHY driver. This driver
supports to deal with phy calibration and power control
according to UFS host driver's behavior.
Signed-off-by: Seungwon Jeon
Signed-off-by: Alim Akhtar
Cc: Kishon Vijay Abraham I
---
drivers/phy/Kconfig
This patch-set introduces UFS (Universal Flash Storage) host support
for Samsung Exynos SoC. Mostly, it consists of UFS PHY and host specific driver.
And it also contains some quirks handling for Exynos.
NOTE: ** This series has a dependency on [4]. **
-Changes since v4:
* Removed platform specif
Adds exynos UFS PHY device tree bindings information.
Signed-off-by: Alim Akhtar
---
.../devicetree/bindings/phy/samsung-phy.txt| 22
1 file changed, 22 insertions(+)
diff --git a/Documentation/devicetree/bindings/phy/samsung-phy.txt
b/Documentation/devicetree/bi
The mpt2sas and mpt3sas drivers are spinning forever in
their IRQ handlers if there are a lot of jobs queued up
by the PCIe card. This handler is causing spikes for
the rest of the system and sluggish behavior.
Marking all MSI interrupts as non-shared and moving the
MSI interrupts to thread contex
Current code gives up when 32 bit DMA is not supported.
This problem has been observed on systems without any
memory below 4 gig.
This patch tests 64 bit support before bailing out to find
a working combination.
Signed-off-by: Sinan Kaya
---
drivers/scsi/mpt2sas/mpt2sas_base.c | 21
The MULDIV macro has been designed for small numbers.
Compiler emits an overflow warning on 64 bit systems.
This patch uses 64 bit numbers in order to suppress
warning.
Signed-off-by: Sinan Kaya
---
drivers/scsi/sg.c | 20 +---
1 file changed, 13 insertions(+), 7 deletions(-)
di
Changes from V1: (https://lkml.org/lkml/2015/11/4/856)
Changes from V1: (https://lkml.org/lkml/2015/11/4/859)
* merge two patches together
Changes from V1: (https://lkml.org/lkml/2015/11/4/857)
* Use do_div to handle the linker errors on i386
Changes from V1: https://lkml.org/lkml/2015/11/4/858
*
On 11/5/2015 2:56 PM, Andy Shevchenko wrote:
On Thu, Nov 5, 2015 at 9:31 PM, Andy Shevchenko
wrote:
On Thu, Nov 5, 2015 at 8:32 PM, Sinan Kaya wrote:
On 11/5/2015 1:07 PM, Andy Shevchenko wrote:
Let's try again.
static inline u64 mult_frac64(u64 x, u32 numer, u32 denom) {
u64 r
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