[PATCH 0/3] ntb: Asynchronous NTB devices support

rithm using some new struct ntb_device_id and id_tables. Thanks, = Serge V. Semin Leading Programmer Embedded SW development group T-platforms = Signed-off-by: Serge Semin <fancer.lan...@gmail.com> fancer (3): ntb: Add asynchronous de

[PATCH 3/3] ntb: Test client drivers for asynchronous NTB devices

. Then driver initialize the outbound memory windows (outwndw{N}). The read/write operations can be performed using the following debug nodes: /sys/kernel/debug/ntb_mw_test/ntbA{N}/inwndw{N} /sys/kernel/debug/ntb_mw_test/ntbA{N}/outwndw{N} Signed-off-by: Serge Semin <fancer.lan...@gmail.

[PATCH 1/3] ntb: Add asynchronous devices support to NTB-bus interface

same names in the system and it brakes my IDT NTB driver from being loaded =) So I developed a simple algorithm of NTB devices naming. Particulary it generates names "ntbS{N}" for synchronous devices, "ntbA{N}" for asynchronous devices, and "ntbAS{N}" for devices

[PATCH v2 0/3] ntb: Asynchronous NTB devices support

ed-off-by: Serge Semin <fancer.lan...@gmail.com> fancer (3): ntb: Add asynchronous devices support to NTB-bus interface ntb: IDT 89HPES*NT* PCIe-switches NTB device driver ntb: Test client drivers for asynchronous NTB devices drivers/ntb/Kconfig|4 +- dr

[PATCH v2 1/3] ntb: Add asynchronous devices support to NTB-bus interface

same names in the system and it brakes my IDT NTB driver from being loaded =) So I developed a simple algorithm of NTB devices naming. Particulary it generates names "ntbS{N}" for synchronous devices, "ntbA{N}" for asynchronous devices, and "ntbAS{N}" for devices

[PATCH v2 3/3] ntb: Test client drivers for asynchronous NTB devices

. Then driver initialize the outbound memory windows (outwndw{N}). The read/write operations can be performed using the following debug nodes: /sys/kernel/debug/ntb_mw_test/ntbA{N}/inwndw{N} /sys/kernel/debug/ntb_mw_test/ntbA{N}/outwndw{N} Signed-off-by: Serge Semin <fancer.lan...@gmail.

Re: [PATCH v2 0/3] ntb: Asynchronous NTB devices support

regmap subsystem.( Regards, -Sergey On Thu, Jul 28, 2016 at 10:42:30AM -0400, Allen Hubbe <allen.hu...@emc.com> wrote: > From: Serge Semin > > Please, find the general patchset description in the cover letter of the > > first > > patchset (see the very first message i

Re: [PATCH v2 1/3] ntb: Add asynchronous devices support to NTB-bus interface

be slightly changed. You can find answers to the commentaries down below. On Fri, Aug 05, 2016 at 11:31:58AM -0400, Allen Hubbe <allen.hu...@emc.com> wrote: > From: Serge Semin > > Currently supported AMD and Intel Non-transparent PCIe-bridges are > > synchronous > >

[PATCH] NTB: Add IDT 89HPESxNTx PCIe-switches support

by BIOS or EEPROM. (See IDT documentations for details of how the pre-initialization can be done) Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/Kconfig |1 + drivers/ntb/hw/Makefile |1 + drivers/ntb/hw/idt/Kconfig | 31 + drivers/ntb/

[PATCH] eeprom: idt_89hpesx: Discard memory freeing allocated by devm_kmalloc

Indeed, the data structure is allocated by device resource manager, so the driver doesn't need to free anything on remove() callback. Reported-by: Julia Lawall <julia.law...@lip6.fr> Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/misc/eeprom/idt_89hpesx.c | 3

Re: [PATCH] eeprom: fix memory leak on buf when failed allocation of csraddr_str

t = -ENOMEM; > + goto free_buf; > + } > /* Copy the register address to the substring buffer */ > strncpy(csraddr_str, buf, csraddr_len); > csraddr_str[csraddr_len] = '\0'; > -- > 2.10.2 > Indeed. Thanks for the patch. Acked-by: Serge Semin <fancer.lan...@gmail.com>

Re: [patch] eeprom/idt_89hpesx: freeing devm_ pointer with kfree()

On Thu, Jan 26, 2017 at 12:01:46PM +0300, Dan Carpenter wrote: > "pdev->ee_file" was allocated with devm_kmalloc() so freeing it with > kfree() is a double free. In fact, we don't need to free it at all. > > Fixes: cfad6425382e ("eeprom: Add IDT 89HPESx EEPROM/CSR

Re: [PATCH -next] eeprom: idt_89hpesx: Drop kfree for memory allocated with devm_kzalloc

move_sysfs_files(struct > idt_89hpesx_dev *pdev) > > /* Remove EEPROM sysfs file */ > sysfs_remove_bin_file(>kobj, pdev->ee_file); > - > - /* Free memory allocated for bin_attribute structure */ > - kfree(pdev->ee_file); > } > > /* > True point! Thanks for the patch. Acked-by: Serge Semin <fancer.lan...@gmail.com>

Re: [PATCH v2] NTB: Add IDT 89HPESxNTx PCIe-switches support

On Tue, Feb 21, 2017 at 05:42:37PM -0500, Allen Hubbe <allen.hu...@dell.com> wrote: > From: Serge Semin > > +/* > > + * idt_nt_write() - PCI configuration space registers write method > > + * @ndev: IDT NTB hardware driver descriptor > > + * @reg: Regist

[PATCH v2] NTB: Add IDT 89HPESxNTx PCIe-switches support

by BIOS or EEPROM. (See IDT documentations for details of how the pre-initialization can be done) Changelog v2: - Fix minor checkpatch.pl issues - Get rid of obfuscating macros Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/Kconfig |1 + drivers/ntb/hw/Ma

[PATCH v3] NTB: Add IDT 89HPESxNTx PCIe-switches support

()/idt_reg_clear_bits() methods race condition - Fix invalid argument of write method called from idt_reg_set_bits()/idt_reg_clear_bits() functions - Add appropriate naming of function idt_get_mw_size() - Fix some documentation notes - Replace symbolic permission S_IRUSR with octal 0400 Signed-off-by: Serge Semin

Re: [PATCH v2 1/3] ntb: Add asynchronous devices support to NTB-bus interface

On Fri, Aug 19, 2016 at 12:56:04AM +0300, Serge Semin <fancer.lan...@gmail.com> wrote: > Hello Allen, > Sorry for the delay with response and thanks for thoughtful review. > > On Mon, Aug 08, 2016 at 05:48:42PM -0400, Allen Hubbe <allen.hu...@emc.com> > wrote: > &

Re: [PATCH v2 1/3] ntb: Add asynchronous devices support to NTB-bus interface

Hello Allen, Sorry for the delay with response and thanks for thoughtful review. On Mon, Aug 08, 2016 at 05:48:42PM -0400, Allen Hubbe <allen.hu...@emc.com> wrote: > From: Serge Semin > > Hello Allen. > > > > Thanks for your careful review. Going through this maili

[PATCH v4] NTB: Add IDT 89HPESxNTx PCIe-switches support

on read from registers with invalid address - Don't check bits validity on registers bits clearing - Keep up driver loading (just print a warning) if there is no any peer NTBs found - Fix unnecessary branching logic - Fix some documentation notes Signed-off-by: Serge Semin <fancer.lan...@gmail.

[RFC] PCI: Fix kernel panic of root-port-less PCIe enum due to ASPM

ed SW development group T-platforms = Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/pci/pcie/aspm.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c index 0ec649d..a9295f29

Re: [RFC] PCI: Fix kernel panic of root-port-less PCIe enum due to ASPM

On Thu, Oct 06, 2016 at 08:13:58AM -0500, Bjorn Helgaas <helg...@kernel.org> wrote: > Hi Serge, > > On Thu, Oct 06, 2016 at 12:34:15PM +0300, Serge Semin wrote: > > Hello linux folks, > > > > Sometime ago I discovered a kernel panic popping up when

[PATCH] Add IDT 89HPESx EEPROM/CSR driver

gkh/char-misc.git Thanks, = Serge V. Semin Leading Programmer Embedded SW development group T-platforms ===== Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- .../devicetree/bindings/misc/idt_89hpesx.txt | 41 + drivers/misc/eeprom/Kconf

Re: [RFC] PCI: Fix kernel panic of root-port-less PCIe enum due to ASPM

On Tue, Nov 08, 2016 at 05:29:57PM -0600, Bjorn Helgaas <helg...@kernel.org> wrote: Hello Bjorn, Here are the answers on your questions inlined in the text. > Hi Serge, > > On Thu, Oct 06, 2016 at 12:34:15PM +0300, Serge Semin wrote: > > Hello linux folks, > &

[PATCH v2 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

See cover-letter for changelog Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/misc/eeprom/Kconfig | 10 + drivers/misc/eeprom/Makefile |1 + drivers/misc/eeprom/idt_89hpesx.c | 1577 + 3 files changed, 1588 inse

[PATCH v2 0/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

bin_attribute structure for each device - Perform a few read retries with delays if EEPROM is busy Signed-off-by: Serge Semin <fancer.lan...@gmail.com> Serge Semin (2): MISC eeprom: Add IDT 89HPESx EEPROM/CSR driver MISC eeprom: Add IDT 89HPESx driver bindings file .../devicetree/binding

[PATCH v2 2/2] eeprom: Add IDT 89HPESx driver bindings file

See cover-letter for changelog Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- .../devicetree/bindings/misc/idt_89hpesx.txt | 41 ++ 1 file changed, 41 insertions(+) create mode 100644 Documentation/devicetree/bindings/misc/idt_89hpesx.txt diff

Re: [PATCH] Add IDT 89HPESx EEPROM/CSR driver

On Sun, Oct 30, 2016 at 09:53:58AM -0400, Greg KH <gre...@linuxfoundation.org> wrote: > On Mon, Oct 03, 2016 at 02:13:45AM +0300, Serge Semin wrote: > > Hello linux folks, > > > > This driver primarily is developed to give an access to EEPROM of IDT > > PCI

[PATCH v3 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

the SMBus-slave interface in the i2c-device susfs-directory. Additionally IDT 89HPESx SMBus interface has an ability to read/write values of device CSRs. This driver exposes debugfs-file to perform simple IO-operations using that ability for just basic debug purpose. Signed-off-by: Serge Semin

[PATCH v3 0/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

to create a specific bin_attribute structure for each device - Perform a few read retries with delays if EEPROM is busy Signed-off-by: Serge Semin <fancer.lan...@gmail.com> Serge Semin (2): eeprom: Add IDT 89HPESx EEPROM/CSR driver eeprom: Add IDT 89HPESx driver dts-bindin

[PATCH v3 2/2] eeprom: Add IDT 89HPESx driver dts-binding file

IDT 89HPESx PCIe-switches exposes SMBus interface to have an access to the device CSRs and EEPROM. So to properly utilize the interface functionality, developer should declare a valid dts-file node, which would refer to the corresponding 89HPESx device. Signed-off-by: Serge Semin <fancer.

Re: [PATCH v2 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

On Tue, Nov 29, 2016 at 10:24:12PM +0100, Greg KH <gre...@linuxfoundation.org> wrote: > On Wed, Nov 30, 2016 at 12:16:25AM +0300, Serge Semin wrote: > > On Tue, Nov 29, 2016 at 08:37:50PM +0100, Greg KH > > <gre...@linuxfoundation.org> wrote: > > > On Tue, Nov

Re: [PATCH v2 2/2] eeprom: Add IDT 89HPESx driver bindings file

On Tue, Nov 29, 2016 at 08:34:36PM +0100, Greg KH <gre...@linuxfoundation.org> wrote: > On Tue, Nov 29, 2016 at 01:38:21AM +0300, Serge Semin wrote: > > See cover-letter for changelog > > There is no cover letter in an individual patch when it gets committed > to the tr

[PATCH v3 6/9] NTB: Add Messaging NTB API

register sending it to the passed peer device connected over a pidx port ntb_msg_event(); - notify driver context of a new message event Of course there is hardware which doesn't support Message registers, so this API is made optional. Acked-by: Allen Hubbe <allen.hu...@dell.com> Signed-off-by:

[PATCH v3 9/9] NTB: Add ntb.h comments

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 19 --- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 6d46179..dab0a1b 100644 --- a/include/linux/ntb.h +++ b/include/linux

[PATCH v3 7/9] NTB: Add new Memory Windows API documentation

Since the new API slightly changes the way a typical NTB client driver works, the documentation file needs to be appropriately updated. Acked-by: Allen Hubbe <allen.hu...@dell.com> Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- Documentation/

[PATCH v3 3/9] NTB: Alter link-state API to support multi-port devices

-by: Allen Hubbe <allen.hu...@dell.com> Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 2 +- drivers/ntb/hw/intel/ntb_hw_intel.c | 2 +- include/linux/ntb.h | 31 --- 3 files changed, 18 inser

[PATCH v3 5/9] NTB: Alter Scratchpads API to support multi-ports devices

ntb_peer_spad_write(pidx, sidx) - write data to Scratchpad register of the peer with pidx-index Since there is hardware which doesn't support Scratchpad registers, the corresponding API methods are now made optional. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/

[PATCH v3 8/9] NTB: Add PCIe Gen4 link speed

Acked-by: Allen Hubbe <allen.hu...@dell.com> Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 76c56d5..6d46179 100644 --- a/include/linux/ntb.h +++ b/i

[PATCH v3 0/9] NTB: Alter kernel API to support multi-port devices

with port-related API changes - Spell check the text Serge Semin (9): NTB: Make link-state API being declared first NTB: Add indexed ports NTB API NTB: Alter link-state API to support multi-port devices NTB: Alter MW API to support multi-ports devices NTB: Alter Scratchpads API to support multi

[PATCH v3 1/9] NTB: Make link-state API being declared first

Since link operations are usually performed before memory window access operations, it's logically better to declare link-related API before any of MW/Doorbell/Scratchpad methods. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h

[PATCH v3 2/9] NTB: Add indexed ports NTB API

support two-ports devices for the time being while multi-ports hardware drivers aren't added. By default port-related API is declared for two-ports hardware. So corresponding hardware drivers won't need to implement it. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb

[PATCH v3 4/9] NTB: Alter MW API to support multi-ports devices

translation configured on the peer ntb port: ntb_peer_mw_set_trans(pidx, widx); - set translation address of a memory window retrieved from a peer device ntb_peer_mw_clear_trans(pidx, widx); - clear the translation address of an outbound memory window Signed-off-by: Serge Semin <fancer.

[PATCH v3 9/9] NTB: Add ntb.h comments

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 19 --- 1 file changed, 12 insertions(+), 7 deletions(-) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 6d46179..dab0a1b 100644 --- a/include/linux/ntb.h +++ b/include/linux

Re: [PATCH v2 2/2] eeprom: Add IDT 89HPESx driver bindings file

On Mon, Dec 12, 2016 at 05:04:31PM -0600, Rob Herring <r...@kernel.org> wrote: > On Mon, Dec 5, 2016 at 1:04 PM, Serge Semin <fancer.lan...@gmail.com> wrote: > > On Mon, Dec 05, 2016 at 11:27:07AM -0600, Rob Herring <r...@kernel.org> > > wrote: > >> O

[PATCH v4 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

nts to change the CSR value as well, the format of the write operation is: $ echo ":" > \ /sys/kernel/debug/idt_csr/-/; CSR address and value can be any of hexadecimal, decimal or octal format. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/

[PATCH v4 2/2] eeprom: Add IDT 89HPESx driver bindings file

IDT 89HPESx PCIe-switches exposes SMBus interface to have an access to the device CSRs and EEPROM. So to properly utilize the interface functionality, developer should declare a valid dts-file node, which would refer to the corresponding 89HPESx device. Signed-off-by: Serge Semin <fancer.

[PATCH v4 0/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

to create a specific bin_attribute structure for each device - Perform a few read retries with delays if EEPROM is busy Changelog v4: - Make 89HPESx device bindings to have one EEPROM subnode - Alter 89HPESx device bindings text Signed-off-by: Serge Semin <fancer.lan...@gmail.com> Serge Se

[PATCH v2 4/9] NTB: Alter MW API to support multi-ports devices

translation configured on the peer ntb port: ntb_peer_mw_set_trans(pidx, widx); - set translation address of a memory window retrieved from a peer device ntb_peer_mw_clear_trans(pidx, widx); - clear the translation address of an outbound memory window Signed-off-by: Serge Semin <fancer.

[PATCH v2 3/9] NTB: Alter link-state API to support multi-port devices

-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 2 +- drivers/ntb/hw/intel/ntb_hw_intel.c | 2 +- include/linux/ntb.h | 31 --- 3 files changed, 18 insertions(+), 17 deletions(-) diff --git a/drivers/ntb/

[PATCH v2 1/9] NTB: Make link-state API being declared first

done within ntb.h. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 188 ++-- drivers/ntb/hw/intel/ntb_hw_intel.c | 168 include/linux/ntb.h

[PATCH v2 2/9] NTB: Add indexed ports NTB API

support two-ports devices for the time being while multi-ports hardware drivers aren't added. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 47 drivers/ntb/hw/amd/ntb_hw_amd.h | 9 + drivers/ntb/hw/intel/ntb_hw_i

[PATCH v2 7/9] NTB: Add new Memory Windows API documentation

Since the new API slightly changes the way a typical NTB client driver works, the documentation file needs to be appropriately updated. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- Documentation/ntb.txt | 99 ++- 1 file chang

[PATCH v2 0/9] NTB: Alter kernel API to support multi-port devices

Spad/Msg API checking valid function to make spad and msg interfaces optional - Alter comments in ntb.h - Split: add NTB_SPEED_GEN4 and ntb.h comments into separate patches - Put copyrights into some of the existing patches - Get rid of TOPO updates Signed-off-by: Serge Semin <fancer.

[PATCH v2 8/9] NTB: Add PCIe Gen4 link speed

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 90746df..fe0437c 100644 --- a/include/linux/ntb.h +++ b/include/linux/ntb.h @@ -108,6 +108,7 @@ static inlin

[PATCH v2 5/9] NTB: Alter Scratchpads API to support multi-ports devices

ntb_peer_spad_write(pidx, sidx) - write data to Scratchpad register of the peer with pidx-index Since there is hardware which doesn't support Scratchpad registers, the corresponding API methods are now made optional. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/

[PATCH v2 6/9] NTB: Add Messaging NTB API

register sending it to the passed peer device connected over a pidx port ntb_msg_event(); - notify driver context of a new message event Of course there is hadrware which doesn't support Message registers, so this API is made optional. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- d

[PATCH v2 9/9] NTB: Add ntb.h comments

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 17 +++-- 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index fe0437c..c5a369c 100644 --- a/include/linux/ntb.h +++ b/include/linux

Re: [PATCH v2 2/2] eeprom: Add IDT 89HPESx driver bindings file

Rob, Could you please respond on these comments? I've got some free time, so I wanna rewrite the code until I've not got busy again. Regards, -Sergey On Mon, Dec 05, 2016 at 10:04:56PM +0300, Serge Semin <fancer.lan...@gmail.com> wrote: > On Mon, Dec 05, 2016 at 11:27:07AM -0600, Rob H

[PATCH v3 4/9] NTB: Alter MW API to support multi-ports devices

com> Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 68 +--- drivers/ntb/hw/intel/ntb_hw_intel.c | 90 drivers/ntb/ntb.c | 2 + drivers/ntb/ntb_transport.c | 21 +++- drivers/ntb/tes

[PATCH v3 5/9] NTB: Alter Scratchpads API to support multi-ports devices

ntb_peer_spad_write(pidx, sidx) - write data to Scratchpad register of the peer with pidx-index Since there is hardware which doesn't support Scratchpad registers, the corresponding API methods are now made optional. Acked-by: Allen Hubbe <allen.hu...@dell.com> Signed-off-by: Serge

Re: [PATCH v4 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

On Fri, Jan 13, 2017 at 08:22:35AM +0100, Greg KH <gre...@linuxfoundation.org> wrote: > On Fri, Jan 13, 2017 at 01:54:17AM +0300, Serge Semin wrote: > > On Wed, Jan 11, 2017 at 09:21:19AM +0100, Greg KH > > <gre...@linuxfoundation.org> wrote: > > > > +

[PATCH v5 0/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

rid of dev_dbg() print outs of initialization methods - Simplify DebugFS initialization method Signed-off-by: Serge Semin <fancer.lan...@gmail.com> Serge Semin (2): eeprom: Add IDT 89HPESx EEPROM/CSR driver eeprom: Add IDT 89HPESx driver bindings file .../devicetree/binding

[PATCH v5 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

nts to change the CSR value as well, the format of the write operation is: $ echo ":" > \ /sys/kernel/debug/idt_csr/-/; CSR address and value can be any of hexadecimal, decimal or octal format. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/

[PATCH v5 2/2] eeprom: Add IDT 89HPESx driver bindings file

IDT 89HPESx PCIe-switches exposes SMBus interface to have an access to the device CSRs and EEPROM. So to properly utilize the interface functionality, developer should declare a valid dts-file node, which would refer to the corresponding 89HPESx device. Signed-off-by: Serge Semin <fancer.

Re: [PATCH v4 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

On Wed, Jan 11, 2017 at 09:21:19AM +0100, Greg KH <gre...@linuxfoundation.org> wrote: > On Tue, Dec 13, 2016 at 05:22:50PM +0300, Serge Semin wrote: > > +struct idt_89hpesx_dev { > > + u32 eesize; > > + bool eero; > > + u8 eeaddr; > > + > > +

Re: [PATCH v2 1/2] eeprom: Add IDT 89HPESx EEPROM/CSR driver

On Tue, Nov 29, 2016 at 08:37:50PM +0100, Greg KH <gre...@linuxfoundation.org> wrote: > On Tue, Nov 29, 2016 at 01:38:20AM +0300, Serge Semin wrote: > > +struct idt_89hpesx_dev { > > + u32 eesize; > > + bool eero; > > + u8 eeaddr; > > + > > +

[PATCH 01/22] NTB: Move link state API being first in sources

done within ntb.h. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 137 ++-- 1 file changed, 69 insertions(+), 68 deletions(-) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 6f47562..5d1f260

[PATCH 11/22] NTB Intel: Alter MW interface to fit new NTB API

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/intel/ntb_hw_intel.c | 79 - 1 file changed, 61 insertions(+), 18 deletions(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index 7

[PATCH 08/22] NTB: Add T-Platforms copyrights to NTB API

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/ntb.c | 2 ++ include/linux/ntb.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/ntb/ntb.c b/drivers/ntb/ntb.c index 4b2cc60..06574f8 100644 --- a/drivers/ntb/ntb.c +++ b/drivers/ntb/ntb.c @@ -5,

[PATCH 09/22] NTB Intel: Move link-related methods being first in the driver

See patch 01 for reasoning of this movement. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/intel/ntb_hw_intel.c | 162 ++-- 1 file changed, 81 insertions(+), 81 deletions(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/d

[PATCH 12/22] NTB Intel: Alter Scratchpads interface to fit new NTB API

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/intel/ntb_hw_intel.c | 14 +++--- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index c41da32..e308fbe 100644 --- a/d

[PATCH 06/22] NTB: Slightly alter link state NTB API

Some minor changes of link state NTB API. Particularly link_is_up() method from now shall return a bitfield of link states for all accessible port indexes. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 31 --- 1 file chang

[PATCH 10/22] NTB Intel: Add port-related NTB API callback methods

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/intel/ntb_hw_intel.c | 195 +--- drivers/ntb/hw/intel/ntb_hw_intel.h | 10 ++ 2 files changed, 124 insertions(+), 81 deletions(-) diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/d

[PATCH 07/22] NTB: Fix a few ntb.h issues

Fix some minor issues found in ntb.h file. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 18 -- 1 file changed, 12 insertions(+), 6 deletions(-) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index a59a155..8b19327 100644 --- a/i

[PATCH 04/22] NTB: Add messaging NTB API

IDT PCIe-switches have message registers to communicate with peer devices. This patch adds new NTB API callback methods, which can be used to utilize these registers functionality. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/ntb.c | 13 +++ include/linux/ntb.h

[PATCH 05/22] NTB: Alter Scratchpads NTB API to support multi-ports interface

and have some set of Scratchpads. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 46 ++ 1 file changed, 26 insertions(+), 20 deletions(-) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 59de1f6..f

[PATCH 02/22] NTB: Add peer indexed ports NTB API

Add new port-index NTB API. Additionally lets get rid of Primary and Secondary topologies, since port-number can be effectively used instead. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 101 1 file c

[PATCH 03/22] NTB: Alter NTB API to support both inbound and outbound MW based interfaces

drivers. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- include/linux/ntb.h | 290 1 file changed, 245 insertions(+), 45 deletions(-) diff --git a/include/linux/ntb.h b/include/linux/ntb.h index 0941a43..4a150b5 100644 --- a/i

[PATCH 00/22] NTB: Alter kernel API to support multi-port devices

/ntb of "ntb"-branch with last commit: 9c763584b7c8911106bb77af7e648bef09af9d80 Linux 4.9-rc6 Signed-off-by: Serge Semin <fancer.lan...@gmail.com> Serge Semin (22): NTB: Move link state API being first in sources NTB: Add peer indexed ports NTB API NTB: Alter NTB API to supp

[PATCH 18/22] NTB AMD: Add T-Platforms copyrights to AMD NTB driver

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 2 ++ drivers/ntb/hw/amd/ntb_hw_amd.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index 3479c2b..2e1aefd 100644 --- a/d

[PATCH 14/22] NTB AMD: Move link-related methods being first in the driver

See patch 01 for reasoning of this movement. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 188 1 file changed, 94 insertions(+), 94 deletions(-) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/

[PATCH 20/22] NTB Tool: Alter driver to work with two-ports NTB API

The same as for PingPong driver, this driver can't be used with hardware whithout Scratchpads. Additionally it supports two-ports and inbound MW based devices only at the moment. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/test/ntb_tool.

[PATCH 17/22] NTB AMD: Alter Scratchpads interface to fit new NTB API

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 14 +++--- 1 file changed, 7 insertions(+), 7 deletions(-) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index 9b3f78c..3479c2b 100644 --- a/drivers/ntb/

[PATCH 15/22] NTB AMD: Add port-related NTB API callback methods

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 72 ++--- drivers/ntb/hw/amd/ntb_hw_amd.h | 10 ++ 2 files changed, 63 insertions(+), 19 deletions(-) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/

[PATCH 13/22] NTB Intel: Add T-Platforms copyrights to Intel NTB driver

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/intel/ntb_hw_intel.c | 2 ++ drivers/ntb/hw/intel/ntb_hw_intel.h | 2 ++ 2 files changed, 4 insertions(+) diff --git a/drivers/ntb/hw/intel/ntb_hw_intel.c b/drivers/ntb/hw/intel/ntb_hw_intel.c index e308fbe..7785e9d

[PATCH 21/22] NTB Perf: Alter driver to work with two-ports NTB API

The same as for PingPong driver, this driver can't be used with hardware whithout Scratchpads. Additionally it supports two-ports and inbound MW based devices only at the moment. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/test/ntb_perf.

[PATCH 22/22] NTB Transport: Alter driver to work with two-ports NTB API

The same as for PingPong driver, this driver can't be used with hardware whithout Scratchpads. Additionally it supports two-ports and inbound MW based devices only at the moment. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/ntb_transport.

[PATCH 16/22] NTB AMD: Alter MW interface to fit new NTB API

Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/hw/amd/ntb_hw_amd.c | 66 ++--- 1 file changed, 49 insertions(+), 17 deletions(-) diff --git a/drivers/ntb/hw/amd/ntb_hw_amd.c b/drivers/ntb/hw/amd/ntb_hw_amd.c index b7c9f67..9b3f78c

[PATCH 19/22] NTB PingPong: Alter driver to work with two-ports NTB API

message registers as well. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- drivers/ntb/test/ntb_pingpong.c | 11 ++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/drivers/ntb/test/ntb_pingpong.c b/drivers/ntb/test/ntb_pingpong.c index 4358611..90d3281

Re: [PATCH v2 2/2] eeprom: Add IDT 89HPESx driver bindings file

On Mon, Dec 05, 2016 at 11:27:07AM -0600, Rob Herring <r...@kernel.org> wrote: > On Mon, Dec 5, 2016 at 9:25 AM, Serge Semin <fancer.lan...@gmail.com> wrote: > > On Mon, Dec 05, 2016 at 08:46:21AM -0600, Rob Herring <r...@kernel.org> > > wrote: > >> On Tu

Re: [PATCH v2 2/2] eeprom: Add IDT 89HPESx driver bindings file

On Mon, Dec 05, 2016 at 08:46:21AM -0600, Rob Herring <r...@kernel.org> wrote: > On Tue, Nov 29, 2016 at 01:38:21AM +0300, Serge Semin wrote: > > See cover-letter for changelog > > > > Signed-off-by: Serge Semin <fancer.lan...@gmail.com> > > &g

[PATCH 05/21] MIPS memblock: Alter initrd memory reservation method

Since memblock is used, initrd memory region can be easily verified and reserved if looks ok. Verification method will be useful for other reservation methods. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/kernel/setup.c | 157 - 1 file c

[PATCH 19/21] MIPS memblock: Add print out method of kernel virtual memory layout

It's useful to have some printed map of the kernel virtual memory, at least for debugging purpose. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/mm/init.c | 47 +++ 1 file changed, 47 insertions(+) diff --git a/arch/mips/mm/init.c b/arc

[PATCH 06/21] MIPS memblock: Alter kexec-crashkernel parameters parser

Memblock API can be successfully used to verify whether crashkernel memory region belongs to low memory, then it can be reserved within memblock allocator. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/kernel/setup.c | 105 ++--- 1 file chang

[PATCH 07/21] MIPS memblock: Alter elfcorehdr parameters parser

of creating our own doing actually the same thing. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/kernel/setup.c | 91 +- 1 file changed, 52 insertions(+), 39 deletions(-) diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c index c

[PATCH 08/21] MIPS memblock: Move kernel parameters parser into individual method

Main memory initialization method looks messy with cmd line parser built-in. So it's better for readability to put it into a separated method. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/kernel/setup.c | 87 -- 1 file changed, 48 inse

[PATCH 09/21] MIPS memblock: Move kernel memory reservation to individual method

The whole kernel text/data/bss must be reserved to prevent sudden kernel crashes, for instance, due to unexpected non-zero default static variables initializations. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/kernel/setup.c | 117 +++--

[PATCH 20/21] MIPS memblock: Add free low memory test method call

Right after all the necessary reservations are done, free memory regions can be tested if it is activated with "memtest" parameter. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/mm/init.c | 6 ++ 1 file changed, 6 insertions(+) diff --git a/arch/mips/

[PATCH 21/21] MIPS memblock: Deactivate old bootmem allocator

Memblock allocator can be successfully used from now for early memory management. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index 2ef1e2d..527f2fe

[PATCH 04/21] MIPS memblock: Alter user-defined memory parameter parser

Both new memblock and boot_mem_map subsystems need to be fully cleared before a new memory region is added. So the early parser is correspondingly modified. Signed-off-by: Serge Semin <fancer.lan...@gmail.com> --- arch/mips/kernel/setup.c | 67 +- 1 file chang

  1   2   3   4   5   6   7   8   9   10   >