[PATCH V2 0/3] scsi: mptxsas: updates for ARM64

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

[PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails

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 ---

[PATCH V2 3/3] scsi: mptxsas: offload IRQ execution

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

[PATCH V2 2/3] scsi: fix compiler warning for sg

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

Re: [PATCH 3/4] scsi: fix compiler warning for sg

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

[PATCH v5 11/11] scsi: ufs-exynos: add UFS host support for Exynos SoCs

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

[PATCH v5 07/11] scsi: ufs: add specific callback for nexus type

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 ---

[PATCH v5 06/11] scsi: ufs: add quirk to enable host controller without hce

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 +++--

[PATCH v5 09/11] scsi: ufs: make ufshcd_config_pwr_mode of non-static func

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 ++---

[PATCH v5 02/11] phy: exynos-ufs: add UFS PHY driver for EXYNOS SoC

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

[PATCH v5 01/11] Documentation: samsung-phy: Add dt bindings for UFS

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

[PATCH v5 00/11] exynos-ufs: add support for Exynos

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

[PATCH v5 03/11] scsi: ufs: add quirk to contain unconformable utrd field

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

[PATCH v5 04/11] scsi: ufs: add quirk to fix mishandling utrlclr/utmrlclr

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

[PATCH v5 05/11] scsi: ufs: add quirk not to allow reset of interrupt aggregation

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 ++-

[PATCH v5 08/11] scsi: ufs: add add specific callback for hibern8

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

[PATCH v5 10/11] Documentation: devicetree: ufs: Add DT bindings for exynos UFS host controller

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

Re: [PATCH V2 3/3] scsi: mptxsas: offload IRQ execution

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

Re: [PATCH V2 1/3] scsi: mptxsas: try 64 bit DMA when 32 bit DMA fails

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.