On 9/9/19 1:18 PM, Sebastian Reichel wrote:
Hi,
On Mon, Sep 09, 2019 at 12:26:06PM +0300, Nandor Han wrote:
On 9/8/19 3:10 PM, Sebastian Reichel wrote:
From: Sebastian Reichel
nvmem_cell_write's buf argument uses different types based on
the configuration of CONFIG_NVMEM. The fun
On 9/8/19 3:10 PM, Sebastian Reichel wrote:
From: Sebastian Reichel
nvmem_cell_write's buf argument uses different types based on
the configuration of CONFIG_NVMEM. The function prototype for
enabled NVMEM uses 'void *' type, but the static dummy function
for disabled NVMEM uses 'const char *'
On 9/3/19 3:04 AM, Sebastian Reichel wrote:
Hi,
On Mon, Sep 02, 2019 at 11:16:27PM +0200, Arnd Bergmann wrote:
On Mon, Sep 2, 2019 at 10:39 PM Sebastian Reichel wrote:
This patch does not look good to me. Better patch would be to
allow compiling CONFIG_REBOOT_MODE without CONFIG_OF. Obviously
On 8/29/19 5:14 AM, Biwen Li wrote:
Issue:
- # hwclock -w
hwclock: RTC_SET_TIME: Invalid argument
Why:
- Relative commit: 8b9f9d4dc511309918c4f6793bae7387c0c638af, this patch
will always check for unwritable registers, it will compare reg
with max_register in regma
On 8/27/19 7:37 AM, Biwen Li wrote:
- In drivers/rtc/rtc-pcf85363.c, CTRL_STOP_EN is 0x2e, but DT_100THS
is 0, max_regiter is 0x2f, then reg will be equal to 0x30,
'0x30 < 0x2f' is false,so regmap_writeable will return false.
- The pcf85363/pcf85263 has the capability of add
On 8/26/19 7:29 AM, Biwen Li wrote:
On 8/16/19 10:40 PM, Li Yang wrote:
On Fri, Aug 16, 2019 at 11:30 AM Alexandre Belloni
wrote:
On 16/08/2019 10:50:49-0500, Li Yang wrote:
On Fri, Aug 16, 2019 at 3:05 AM Alexandre Belloni
wrote:
On 16/08/2019 10:46:36+0800, Biwen Li wrote:
Issue:
On 8/16/19 10:40 PM, Li Yang wrote:
On Fri, Aug 16, 2019 at 11:30 AM Alexandre Belloni
wrote:
On 16/08/2019 10:50:49-0500, Li Yang wrote:
On Fri, Aug 16, 2019 at 3:05 AM Alexandre Belloni
wrote:
On 16/08/2019 10:46:36+0800, Biwen Li wrote:
Issue:
- # hwclock -w
hwclock: RTC_SE
On 8/11/19 2:43 AM, kbuild test robot wrote:
Hi Han,
FYI, the error/warning still remains.
tree:
https://kernel.googlesource.com/pub/scm/linux/kernel/git/torvalds/linux.git
master
head: dcbb4a153971ff8646af0c963f5698bf21bfbfdc
commit: 7a78a7f7695bf9ef9cef3c06fbc5fa4573fd0eef power: reset:
On 7/8/19 3:52 PM, Arnd Bergmann wrote:
Without CONFIG_OF, we get a build failure in the reboot-mode
implementation:
drivers/power/reset/reboot-mode.c: In function 'reboot_mode_register':
drivers/power/reset/reboot-mode.c:72:2: error: implicit declaration of function
'for_each_property_of_node'
Hi,
Changes since v3:
- documentation updated according to the comments
Thanks, queued. Please fix your git/mail setup, I had to fix the
line endings (\r\n -> \n) to apply this.
-- Sebastian
Ok. Thanks Sebastian.
--
Nandor
On 5/1/19 1:47 AM, Rob Herring wrote:
Hi Rob,
Thanks for review.
@@ -0,0 +1,32 @@
+NVMEM reboot mode driver
+
+This driver gets reboot mode magic value from reboot-mode driver
+and stores it in a NVMEM cell named "reboot-mode". Then the bootloader
+can read it and take different action accord
On 4/18/19 12:56 AM, Sebastian Reichel wrote:
On Thu, Apr 11, 2019 at 05:54:09AM +, Han Nandor wrote:
Add a new reboot mode write interface that is using an NVMEM cell
to store the reboot mode magic.
Signed-off-by: Nandor Han
---
+module_platform_driver(nvmem_reboot_mode_driver
On 4/6/19 12:44 AM, Alexandre Belloni wrote:
Hi,
On 05/04/2019 11:14:35+, Han Nandor wrote:
`
# hexdump -n 10 -C /sys/bus/nvmem/devices/ds3232_sram0/nvmem
74 65 73 74 69 6e 67 0a 00 00|testing...|
000a
`
Thanks for that nice description!
Glad tha
On 4/2/19 12:06 PM, Mark Brown wrote:
On Tue, Apr 02, 2019 at 08:01:21AM +, Han Nandor wrote:
Description
---
This is an RFC because I don't know if this is a bug or a normal use
case. It seems that the function `_regmap_raw_write_impl` from the regmap
framework verifies that a regis
On 23/03/18 21:47, Nick Dyer wrote:
On Thu, Mar 22, 2018 at 05:43:30PM +0100, Sebastian Reichel wrote:
The automatic update mechanism will trigger an update if the
info block CRCs are different between maxtouch configuration
file (maxtouch.cfg) and chip.
The driver compared the CRCs without ret
On 10/03/18 02:10, Laura Abbott wrote:
The new challenge is to remove VLAs from the kernel
(see https://lkml.org/lkml/2018/3/7/621)
This patch replaces a VLA with an appropriate call to kmalloc_array.
Signed-off-by: Laura Abbott
---
This looks good to me.
Reviewed-by: Nandor Han
Nandor
dependency and be more clear.
- include "seq_file.h" header.
Note: documentation patches were accepted already.
Changes since v1: - use regmap for driver
- small changes to documentation
Nandor Han (2):
gpio - Add EXAR XRA140
Add XRA1403 support to MAINTAINERS list.
Signed-off-by: Nandor Han
---
MAINTAINERS | 8
1 file changed, 8 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index f9deb67..db86335 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14078,6 +14078,14 @@ L: linux-kernel@vger.kernel.org
This driver support basic XRA1403 functionalities:
- set gpio direction
- get gpio direction
- set gpio high/low
- get gpio status
Signed-off-by: Nandor Han
Signed-off-by: Semi Malinen
---
drivers/gpio/Kconfig| 5 +
drivers/gpio/Makefile | 1 +
drivers/gpio
Add XRA1403 support to MAINTAINERS list.
Signed-off-by: Nandor Han
---
MAINTAINERS | 8
1 file changed, 8 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 892e958..0c5b984 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -14013,6 +14013,14 @@ L: linux-kernel@vger.kernel.org
This is a simple driver that provides a /sys/class/gpio
interface for controlling and configuring the GPIO lines.
It does not provide support for chip select or interrupts.
Signed-off-by: Nandor Han
Signed-off-by: Semi Malinen
---
drivers/gpio/Kconfig| 5 +
drivers/gpio/Makefile
states: [0, 0, 0, 0]
[\] [0: 0, 1: 0, 2: 0, 3: 0]
...
[\] [0: 1, 1: 1, 2: 1, 3: 1]
When using `gpio-hammer` I also attached an oscilloscope to one of the pins and
I was
able to monitor and validate the GPIO status.
Nandor Han (4):
dt-bindings: gpio - add exar to vendor prefixes list
gpio - Add E
Add Exar Corporation to vendors list.
Signed-off-by: Nandor Han
---
Documentation/devicetree/bindings/vendor-prefixes.txt | 1 +
1 file changed, 1 insertion(+)
diff --git a/Documentation/devicetree/bindings/vendor-prefixes.txt
b/Documentation/devicetree/bindings/vendor-prefixes.txt
index
Add the XRA1403 DTS binding documentation.
Signed-off-by: Nandor Han
---
.../devicetree/bindings/gpio/gpio-xra1403.txt | 46 ++
1 file changed, 46 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
diff --git a/Documentation
Add the XRA1403 DTS binding documentation.
Signed-off-by: Nandor Han
---
.../devicetree/bindings/gpio/gpio-xra1403.txt | 37 ++
1 file changed, 37 insertions(+)
create mode 100644 Documentation/devicetree/bindings/gpio/gpio-xra1403.txt
diff --git a/Documentation
with the configured
value.
Nandor Han (3):
gpio - Add EXAR XRA1403 SPI GPIO expander driver
doc,dts - add XRA1403 DTS binding documentation
Add XRA1403 support to MAINTAINERS file
.../devicetree/bindings/gpio/gpio-xra1403.txt | 37 +++
.../devicetree/bindings/vendor-prefixes.txt
Add the XRA1403 support to MAINTAINERS list.
Signed-off-by: Nandor Han
---
MAINTAINERS | 8
1 file changed, 8 insertions(+)
diff --git a/MAINTAINERS b/MAINTAINERS
index 58b3a22..539c88c 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -13903,6 +13903,14 @@ L: linux-kernel
This is a simple driver that provides a /sys/class/gpio
interface for controlling and configuring the GPIO lines.
It does not provide support for chip select or interrupts.
Signed-off-by: Nandor Han
Signed-off-by: Semi Malinen
---
.../devicetree/bindings/vendor-prefixes.txt| 1
, to avoid using an uninitialized
value in residue calculation when dma status is checked without
waiting dma complete event.
Signed-off-by: Nandor Han
---
drivers/dma/imx-sdma.c | 13 +
1 file changed, 9 insertions(+), 4 deletions(-)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma
/driver/IMX-uart`) that no data is lost.
Nandor Han (1):
dmaengine: imx-sdma - correct the dma transfer residue calculation
drivers/dma/imx-sdma.c | 13 +
1 file changed, 9 insertions(+), 4 deletions(-)
--
2.7.1
Update error counters when DMA is used for receiving data. Do
this by using DMA transaction error event instead error interrupts
to reduce interrupt load.
Tested-by: Peter Senna Tschudin
Acked-by: Peter Senna Tschudin
Signed-off-by: Nandor Han
---
drivers/tty/serial/imx.c | 32
and use the bd->mode.count to calculate the
residue.
Tested-by: Peter Senna Tschudin
Acked-by: Peter Senna Tschudin
Reviewed-by: Vinod Koul
Signed-off-by: Nandor Han
---
drivers/dma/imx-sdma.c | 20 ++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/driv
: Vinod Koul
Signed-off-by: Nandor Han
---
drivers/dma/imx-sdma.c | 36
1 file changed, 16 insertions(+), 20 deletions(-)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index 03ec76f..aa35a77 100644
--- a/drivers/dma/imx-sdma.c
+++ b/drivers/dma
sent 4 packets
(1028, 2048, 2048, 2048) and check that 7172 bytes were received using
the command:
`watch -n1 cat /proc/tty/driver/IMX-uart`
Result:
serinfo:1.0 driver revision:
2: uart:IMX mmio:0x5000C000 irq:49 tx:0 rx:7172 RTS|CTS|DTR|DSR|CD
Nandor Han (4):
dmaengin
-uart`
Tested-by: Peter Senna Tschudin
Acked-by: Peter Senna Tschudin
Signed-off-by: Nandor Han
---
drivers/tty/serial/imx.c | 141 ++-
1 file changed, 78 insertions(+), 63 deletions(-)
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
On 28/06/16 17:34, Vinod Koul wrote:
On Thu, Jun 09, 2016 at 03:16:30PM +0300, Nandor Han wrote:
Having the SDMA driver use a tasklet for running the clients
callback introduce some issues:
- probability to have desynchronized data because of the
race condition created since the DMA
possibility where DMA transaction status might
be changed by the time is read.
The responsibility of the SDMA interrupt latency
is moved to the SDMA clients which case by case should defer
the work to bottom-halves when needed.
Signed-off-by: Nandor Han
---
drivers/dma/imx-sdma.c | 36
sent 4 packets
(1028, 2048, 2048, 2048) and check that 7172 bytes were received using
the command:
`watch -n1 cat /proc/tty/driver/IMX-uart`
Result:
serinfo:1.0 driver revision:
2: uart:IMX mmio:0x5000C000 irq:49 tx:0 rx:7172 RTS|CTS|DTR|DSR|CD
Nandor Han (4):
dma: imx-sd
and use the bd->mode.count to calculate the
residue.
Signed-off-by: Nandor Han
---
drivers/dma/imx-sdma.c | 20 ++--
1 file changed, 18 insertions(+), 2 deletions(-)
diff --git a/drivers/dma/imx-sdma.c b/drivers/dma/imx-sdma.c
index e497847..9da258a 100644
--- a/drivers/dma/
Update error couters when DMA is used for receiving data. Do
this by using DMA transaction error event instead error interrupts
to reduce interrupt load.
Signed-off-by: Nandor Han
---
drivers/tty/serial/imx.c | 32
1 file changed, 32 insertions(+)
diff --git a
-uart`
Signed-off-by: Nandor Han
---
drivers/tty/serial/imx.c | 141 ++-
1 file changed, 78 insertions(+), 63 deletions(-)
diff --git a/drivers/tty/serial/imx.c b/drivers/tty/serial/imx.c
index 0df2b1c..1912136 100644
--- a/drivers/tty/serial/imx.c
+++ b
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