Most other bus (for example, SPI, i2c) have the remove handler for
driver optional. Make remove handler for rpmsg driver optional too.
Signed-off-by: Pi-Hsun Shih
---
drivers/rpmsg/rpmsg_core.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/rpmsg/rpmsg_core.c b
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
---
Changes from v1:
- no change
---
.../devicetree/bindings/remoteproc/mtk,scp.txt | 10 ++
1 file changed, 10 insertions(+)
create mode 100644 Documentation/devicetr
Since a SCP and EC would both exist on a system, and use the cros_ec_dev
driver, we need to differentiate between them for the userspace, or they
would both be registered at /dev/cros_ec, causing a conflict.
Cc: Enric Balletbo Serra
Cc: Guenter Roeck
Signed-off-by: Pi-Hsun Shih
---
Changes
Add EC host command support through rpmsg.
Cc: Enric Balletbo Serra
Cc: Guenter Roeck
Signed-off-by: Pi-Hsun Shih
---
Changes from v1:
- Code format fix based on feedback for cros_ec_rpmsg.c.
- Extract feature detection for SCP into separate patch (Patch 6).
---
drivers/platform/chrome
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
---
Changes from v1:
- Extract functions and rename variables in mtk_scp.c.
---
drivers/remoteproc/Kconfig| 9 +
drivers/remoteproc/Makefile |
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Lots of TODO, and I'm not sure on all file / type / variable namings.
Signed-off-by: Pi-Hsun Shih
---
Changes from v1:
- Do cleanup properly in mtk_rpmsg.c, which also removes the problem of
short-lived work
Move the IPI interface into a separate file mtk_scp_ipi.c, so the things
that use the interface only can depend on the module only.
Signed-off-by: Pi-Hsun Shih
---
Changes from v1:
- Resolved conflict because of change in Patch 2.
---
drivers/remoteproc/Makefile | 2 +-
drivers
ompat
syscalls")
Signed-off-by: Pi-Hsun Shih
---
arch/arm64/kernel/syscall.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm64/kernel/syscall.c b/arch/arm64/kernel/syscall.c
index 8f3371415642ad..95fd8c7ec8a171 100644
--- a/arch/arm64/kernel/syscall.c
+++ b/arch/ar
Move the IPI interface into a separate file mtk_scp_ipi.c, so the things
that use the interface only can depend on the module only.
Signed-off-by: Pi-Hsun Shih
---
drivers/remoteproc/Makefile | 2 +-
drivers/remoteproc/mtk_common.h | 73 +++
drivers/remoteproc/mtk_scp.c
Add EC host command support through rpmsg.
Signed-off-by: Pi-Hsun Shih
---
drivers/mfd/cros_ec_dev.c | 9 ++
drivers/platform/chrome/Kconfig | 8 ++
drivers/platform/chrome/Makefile| 1 +
drivers/platform/chrome/cros_ec_rpmsg.c | 164
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
---
drivers/remoteproc/Kconfig| 9 +
drivers/remoteproc/Makefile | 1 +
drivers/remoteproc/mtk_scp.c | 568 ++
include/linux/platform_data/mt
iew / comments on the overall structure of the driver.
Erin Lo (2):
dt-bindings: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
Pi-Hsun Shih (3):
remoteproc: move IPI interface into separate file.
rpmsg: add rpmsg support for mt8183 SCP.
mfd: cros_ec: add E
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
---
.../devicetree/bindings/remoteproc/mtk,scp.txt | 10 ++
1 file changed, 10 insertions(+)
create mode 100644 Documentation/devicetree/bindings/remoteproc/mtk,scp.txt
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
There are lots of TODO comments on things that are not done yet / I have
doubt on whether it's the best way to do it.
drivers/remoteproc/mtk_common.h | 3 +
drivers/remot
x13c/0x158
ret_from_fork+0x10/0x18
===
Signed-off-by: Pi-Hsun Shih
---
include/uapi/linux/wireless.h | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/include/uapi/linux/wireless.h b/include/uapi/linux/wireless.h
index 86
Hi,
On Thu, Mar 28, 2019 at 7:16 PM Enric Balletbo Serra
wrote:
>
> Hi
>
> Thanks for sending this upstream, Some few comments and questions
> below. Apart from these LGTM.
>
> Missatge de Peter Shih del dia dc., 27 de març
> 2019 a les 6:17:
> >
> > Fro
gentle ping on these two patches for EC_REBOOT_COLD_AP_OFF.
On Mon, Dec 21, 2020 at 12:12 PM Pi-Hsun Shih wrote:
>
> Add cold-ap-off to ChromeOS EC sysfs reboot file option, corresponds to
> the EC_REBOOT_COLD_AP_OFF flag, that will reset EC and keep AP off.
>
> Signed-off-b
Hi Neal,
Please see inline comments below.
On Thu, Oct 15, 2020 at 11:21 AM Neal Liu wrote:
>
> MediaTek bus fabric provides TrustZone security support and data
> protection to prevent slaves from being accessed by unexpected
> masters.
> The security violation is logged and sent to the processor
]:
https://chromium.googlesource.com/chromiumos/third_party/coreboot/+/refs/heads/chromeos-2016.05/src/ec/google/chromeec/acpi/ec.asl#382
Signed-off-by: Pi-Hsun Shih
---
drivers/platform/chrome/cros_usbpd_notify.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers
Add command to EC_CMD_REBOOT_EC to reset EC but don't boot AP.
Signed-off-by: Pi-Hsun Shih
---
include/linux/platform_data/cros_ec_commands.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/linux/platform_data/cros_ec_commands.h
b/include/linux/platform_data/cros_ec_comma
Add cold-ap-off to ChromeOS EC sysfs reboot file option, corresponds to
the EC_REBOOT_COLD_AP_OFF flag, that will reset EC and keep AP off.
Signed-off-by: Pi-Hsun Shih
---
drivers/platform/chrome/cros_ec_sysfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers
Add command to EC_CMD_REBOOT_EC to reset EC but don't boot AP.
Signed-off-by: Pi-Hsun Shih
---
The corresponding changes in ChromeOS EC firmware is at crrev.com/c/2428361
---
include/linux/platform_data/cros_ec_commands.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/
Signed-off-by: Pi-Hsun Shih
---
drivers/platform/chrome/cros_ec_sysfs.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/platform/chrome/cros_ec_sysfs.c
b/drivers/platform/chrome/cros_ec_sysfs.c
index f521a5c65091..8210fb10e839 100644
--- a/drivers/platform/chrome
On Fri, Feb 1, 2019 at 12:54 AM Joe Perches wrote:
>
> On Thu, 2019-01-31 at 17:56 +0800, Pi-Hsun Shih wrote:
> > Currently for a header line "/* SPDX-License-Identifier: GPL-2.0 */",
> > only the part starting from "SPDX-" is passed to spdxcheck.py, an
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v16, v15, v14, v13, v12, v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency on
SCP into separate patch (Patch 6).
Eddie Huang (1):
arm64: dts: mt8183: add scp node
Erin Lo (3):
dt-bindings: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
remoteproc: mt8183: add reserved memory manager API
Pi-Hsun Shih (1):
rpmsg: add rpmsg suppo
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v16:
- Change the desc_lock mutex to be a per-id lock.
- Put the execution of handler inside the per-id lock, to prevent
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v16, v15, v14:
- No change.
Changes from v13:
- Change the size of the cfg register region.
Changes from v12, v11, v10:
- No change
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
---
Changes from v16, v15:
- No change.
Changes from v14:
- Fix a typo in variable name in DEBUG section.
Changes from v13:
- Add
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v16:
- Change year on another Copyright header to 2019.
Changes from v15:
- No change.
Changes from v14:
- Change year on Copyright header to 2019.
Changes from v13:
- No
's no more new calls to cros_ec_rpmsg_callback), and then
cancel all works in the host_event_work workqueue.
Fixes: 2de89fd98958 ("platform/chrome: cros_ec: Add EC host command support
using rpmsg")
Signed-off-by: Pi-Hsun Shih
---
drivers/platform/chrome/cros_ec_rpmsg.c | 33
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
---
Changes from v15:
- No change.
Changes from v14:
- Fix a typo in variable name in DEBUG section.
Changes from v13:
- Add one
msg.c.
- Extract feature detection for SCP into separate patch (Patch 6).
Eddie Huang (1):
arm64: dts: mt8183: add scp node
Erin Lo (3):
dt-bindings: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
remoteproc: mt8183: add reserved memory manager API
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v15:
- No change.
Changes from v14:
- Change year on Copyright header to 2019.
Changes from v13:
- No change.
Changes from v12:
- Use strscpy instead of strncpy.
Changes
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v15, v14:
- No change.
Changes from v13:
- Change the size of the cfg register region.
Changes from v12, v11, v10:
- No change.
Changes
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v15:
- Fix a bug on incorrect usage of wait_event_timeout return value.
Changes from v14:
- No change.
Changes from
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v15, v14, v13, v12, v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency on
Tested that with this patch, SCP does receive host command from AP
while AP goes to suspend and back.
Tested-by: Pi-Hsun Shih
On Fri, Aug 23, 2019 at 3:36 AM Enric Balletbo i Serra
wrote:
>
> Hi,
>
> On 14/8/19 10:17, Yilun Lin wrote:
> > Add EC host command to inform EC of
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v17:
- Mark mtk_rpmsg_{prepare,unprepare,stop} as static.
Changes from v16:
- Change year on another Copyright header to 2019.
Changes from v15:
- No change.
Changes from
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v17, v16, v15, v14, v13, v12, v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency on
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
---
Changes from v17, v16, v15:
- No change.
Changes from v14:
- Fix a typo in variable name in DEBUG section.
Changes from v13
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v17:
- Fix mixture use of __iomem found by sparse.
- Change the ipi handler to take a u32 instead of enum scp_ipi_id
gs: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
remoteproc: mt8183: add reserved memory manager API
Pi-Hsun Shih (1):
rpmsg: add rpmsg support for mt8183 SCP.
.../bindings/remoteproc/mtk,scp.txt | 36 +
arch/arm64/boot/dts/mediatek/mt8183-evb.dt
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v17, v16, v15, v14:
- No change.
Changes from v13:
- Change the size of the cfg register region.
Changes from v12, v11, v10:
- No change
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v18:
- No change.
Changes from v17:
- Mark mtk_rpmsg_{prepare,unprepare,stop} as static.
Changes from v16:
- Change year on another Copyright header to 2019.
Changes from
.
Eddie Huang (1):
arm64: dts: mt8183: add scp node
Erin Lo (2):
dt-bindings: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
Pi-Hsun Shih (1):
rpmsg: add rpmsg support for mt8183 SCP.
.../bindings/remoteproc/mtk,scp.txt | 36 ++
arch/arm64/boot/dt
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v18, v17, v16, v15, v14, v13, v12, v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v18, v17, v16, v15, v14:
- No change.
Changes from v13:
- Change the size of the cfg register region.
Changes from v12, v11, v10:
- No
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v18:
- Use of_reserved_mem_device_init_by_idx() to hook the scp device to
DMA mapping API to provide a shared dma pool
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v19 ... v6:
- No change.
Changes from v5:
- Remove dependency on CONFIG_RPMSG_MTK_SCP.
Changes from v4
ix based on feedback for cros_ec_rpmsg.c.
- Extract feature detection for SCP into separate patch (Patch 6).
Eddie Huang (1):
arm64: dts: mt8183: add scp node
Erin Lo (2):
dt-bindings: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
Pi-Hsun Shih (1):
rpms
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v19:
- No change.
Changes from v18:
- Use of_reserved_mem_device_init_by_idx() to hook the scp device to
DMA mapping
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v19 ... v14:
- No change.
Changes from v13:
- Change the size of the cfg register region.
Changes from v12 ... v10:
- No change
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v19:
- Fix an incorrect include in mtk_rpmsg.h (linux/device.h ->
linux/platform_device.h)
Changes from v18:
- No change.
Changes from v17:
- Mark mtk_rpmsg_{prep
Add dpi node to mt8183.
Signed-off-by: Jitao Shi
Signed-off-by: Pi-Hsun Shih
---
This depends on https://patchwork.kernel.org/cover/11081047/ (for the
dpi driver on mt8183) and https://patchwork.kernel.org/cover/8371/
(for the scpsys node).
---
arch/arm64/boot/dts/mediatek/mt8183.dtsi | 11
Hi Roger,
On Fri, Sep 6, 2019 at 6:06 PM Roger Lu wrote:
> ...
> +static int svs_resource_setup(struct mtk_svs *svs)
> ...
> + for (i = 0, freq = (u32)-1; i < svsb->opp_count; i++, freq--)
> {
> + opp = dev_pm_opp_find_freq_floor(svsb->dev, &freq);
> +
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
---
Changes from v4:
- New patch.
---
drivers/remoteproc/mtk_scp.c | 110 ++
include/linux/platform_data/mtk_scp.h | 20 +
2
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
---
Changes from v4:
- Add detail of more properties.
- Document the usage of mtk,rpmsg-name in subnode from the new design.
Changes from v3:
- No change.
Changes from v2:
- No cha
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
---
Changes from v4:
- Rename most function from mtk_scp_* to scp_*.
- Change the irq to threaded handler.
- Load ELF file instead of plain binary file as firmware by
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v4:
- Match and fill the device tree node to the created rpmsg subdevice,
so the rpmsg subdevice can utilize the properties and subnodes on
device tree (This is similar to
Add EC host command support through rpmsg.
Signed-off-by: Pi-Hsun Shih
---
Changes from v4:
- Change from work queue to completion.
- Change from matching using rpmsg id to device tree compatible, to
support EC subdevices.
Changes from v3:
- Add host event support by adding an extra bytes
Since a SCP and EC would both exist on a system, and use the cros_ec_dev
driver, we need to differentiate between them for the userspace, or they
would both be registered at /dev/cros_ec, causing a conflict.
Signed-off-by: Pi-Hsun Shih
---
Changes from v4:
- No change.
Changes from v3:
- No
On 01/29/2019 03:32 PM, Bibby Hsieh wrote:
The interrupt mask and thread number has positive correlation,
so we move the CMDQ_IRQ_MASK into cmdq driver data and calculate
it by thread number.
Signed-off-by: Bibby Hsieh
---
drivers/mailbox/mtk-cmdq-mailbox.c | 12
1 file changed,
On 01/29/2019 03:32 PM, Bibby Hsieh wrote:
GCE cannot know the register base address, we store the subsys-base address
relationship in the device node, and store the relationship by
cmdq_register_device function.
Signed-off-by: Bibby Hsieh
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 24 +
On 01/29/2019 03:32 PM, Bibby Hsieh wrote:
When client ask gce to clear or wait for event,
client need to pass event number to the API.
We suggest client store the event information in device node,
so we provide an API for client parse the event property.
Signed-off-by: Bibby Hsieh
---
driver
On 01/29/2019 03:32 PM, Bibby Hsieh wrote:
Implement a function can encode the GCE instructions
Signed-off-by: Bibby Hsieh
---
drivers/soc/mediatek/mtk-cmdq-helper.c | 102 ---
include/linux/mailbox/mtk-cmdq-mailbox.h | 2 +
include/linux/soc/mediatek/mtk-cmd
On Wed, Jan 30, 2019 at 3:44 PM Daniel Lezcano
wrote:
>
> On 30/01/2019 07:04, Peter Shih wrote:
> > Adding Michael Kao to cc list.
> >
> > On Wed, Jan 9, 2019 at 1:57 PM Pi-Hsun Shih wrote:
> >>
> >> The mtk_thermal struct contains a 'struct mtk_
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
---
Changes from v2:
- No change. I realized that for this patch series, there's no need to
add anything under the mt8183-scp node (neither the mt8183-rpmsg or
the cros-ec-rpmsg)
Add EC host command support through rpmsg.
Cc: Enric Balletbo Serra
Cc: Guenter Roeck
Signed-off-by: Pi-Hsun Shih
---
Changes from v2:
- Wait for ipi ack instead of depends on the behavior in mtk-rpmsg.
Changes from v1:
- Code format fix based on feedback for cros_ec_rpmsg.c.
- Extract
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
---
Changes from v2:
- Squash patch 3 from v2 (separate the ipi interface) into this patch.
- Remove unused name argument from scp_ipi_register.
- Add scp_ipi_unregis
Since a SCP and EC would both exist on a system, and use the cros_ec_dev
driver, we need to differentiate between them for the userspace, or they
would both be registered at /dev/cros_ec, causing a conflict.
Cc: Enric Balletbo Serra
Cc: Guenter Roeck
Signed-off-by: Pi-Hsun Shih
---
Changes
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Lots of TODO, and I'm not sure on all file / type / variable namings.
Signed-off-by: Pi-Hsun Shih
---
Changes from v2:
- Unregiser IPI handler on unprepare.
- Lock the channel list on operations.
- Move SCP_IPI_NS_SE
Use memset_io and memcpy_toio instead of memset and memcpy in
rproc_elf_load_segments, since the target ptr may be device memory.
Signed-off-by: Pi-Hsun Shih
---
This fix issue while trying to load ELF firmware based on
https://lore.kernel.org/patchwork/patch/1033804/, that the memset(...,
0
The return value of rproc_da_to_va would probably be device memory. Add
__iomem annotation to it.
Signed-off-by: Pi-Hsun Shih
---
I feel that there might be more things that need to be changed
(especially for the carveouts things). I didn't change them since I
don't know how to test
e tfm pointer is not NULL.
Fixes: 95047b0519c1 ("pstore: Refactor compression initialization")
Signed-off-by: Pi-Hsun Shih
---
fs/pstore/platform.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)
diff --git a/fs/pstore/platform.c b/fs/pstore/platform.c
index 75887a269b64..8355
Thanks for the review. I'll address most of the comments in the next version.
On Mon, Jul 22, 2019 at 5:37 PM Alexandre Courbot wrote:
>
> Hi Pi-Hsun,
>
> On Tue, Jul 9, 2019 at 4:27 PM Pi-Hsun Shih wrote:
> > +static void *scp_da_to_va(struct rproc
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v13:
- Move include/linux/platform_data/mtk_scp.h to
include/linux/remoteproc/mtk_scp.h.
- Add lock for access of scp
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
---
Changes from v13:
- Add one more reserved region.
- Rename scp_get_reserve_* to scp_get_reserved_*.
- Minor fixes addressing
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v13:
- No change.
Changes from v12:
- Use strscpy instead of strncpy.
Changes from v11:
- Fix a bug that when rproc_boot fails, the ns_ept won't be properly
dest
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v13:
- Change the size of the cfg register region.
Changes from v12, v11, v10:
- No change.
Changes from v9:
- Remove extra reserve
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v13, v12, v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency on CONFIG_RPMSG_MTK_SCP
t-bindings: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
remoteproc: mt8183: add reserved memory manager API
Pi-Hsun Shih (1):
rpmsg: add rpmsg support for mt8183 SCP.
.../bindings/remoteproc/mtk,scp.txt | 36 +
arch/arm64/boot/dts/mediatek/mt818
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
---
Changes from v14:
- Fix a typo in variable name in DEBUG section.
Changes from v13:
- Add one more reserved region.
- Rename
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v14:
- Change year on Copyright header to 2019.
Changes from v13:
- No change.
Changes from v12:
- Use strscpy instead of strncpy.
Changes from v11:
- Fix a bug that when
uang (1):
arm64: dts: mt8183: add scp node
Erin Lo (3):
dt-bindings: Add a binding for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
remoteproc: mt8183: add reserved memory manager API
Pi-Hsun Shih (1):
rpmsg: add rpmsg support for mt8183 SCP.
.../bindings/remot
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v14:
- No change.
Changes from v13:
- Change the size of the cfg register region.
Changes from v12, v11, v10:
- No change.
Changes from
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v14, v13, v12, v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency on
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v14:
- No change.
Changes from v13:
- Move include/linux/platform_data/mtk_scp.h to
include/linux/remoteproc
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency on CONFIG_RPMSG_MTK_SCP.
Changes
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v11, v10:
- No change.
Changes from v9:
- Remove extra reserve-memory-vpu_share node.
Changes from v8:
- New patch.
---
arch/arm64/boot
g for Mediatek SCP
remoteproc/mediatek: add SCP support for mt8183
remoteproc: mt8183: add reserved memory manager API
Pi-Hsun Shih (1):
rpmsg: add rpmsg support for mt8183 SCP.
.../bindings/remoteproc/mtk,scp.txt | 36 +
arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 11 +
a
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
---
Changes from v11:
- No change.
Changes from v10:
- Fix some type mismatch warnings when printing debug messages.
Changes from
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v11:
- Fix a bug that when rproc_boot fails, the ns_ept won't be properly
destroyed, causing memory leak.
- Add documentation for mtk_rpmsg_info.
Changes from v10, v
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v11:
- No change.
Changes from v10:
- Add a clock reset before loading firmware.
Changes from v9:
- No change
c: mt8183: add reserved memory manager API
Pi-Hsun Shih (1):
rpmsg: add rpmsg support for mt8183 SCP.
.../bindings/remoteproc/mtk,scp.txt | 36 +
arch/arm64/boot/dts/mediatek/mt8183-evb.dts | 11 +
arch/arm64/boot/dts/mediatek/mt8183.dtsi | 12 +
drivers/remo
From: Erin Lo
Add a DT binding documentation of SCP for the
MT8183 SoC from Mediatek.
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Reviewed-by: Rob Herring
---
Changes from v12, v11, v10, v9, v8, v7, v6:
- No change.
Changes from v5:
- Remove dependency on CONFIG_RPMSG_MTK_SCP
From: Erin Lo
Add memory table mapping API for other driver to lookup
reserved physical and virtual memory
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
---
Changes from v12:
- Reformat a line to fit 80 character width.
Changes from v11:
- No change.
Changes from v10:
- Fix some
Add a simple rpmsg support for mt8183 SCP, that use IPI / IPC directly.
Signed-off-by: Pi-Hsun Shih
---
Changes from v12:
- Use strscpy instead of strncpy.
Changes from v11:
- Fix a bug that when rproc_boot fails, the ns_ept won't be properly
destroyed, causing memory leak.
From: Eddie Huang
Add scp node to mt8183 and mt8183-evb
Signed-off-by: Erin Lo
Signed-off-by: Pi-Hsun Shih
Signed-off-by: Eddie Huang
---
Changes from v12, v11, v10:
- No change.
Changes from v9:
- Remove extra reserve-memory-vpu_share node.
Changes from v8:
- New patch.
---
arch/arm64
From: Erin Lo
Provide a basic driver to control Cortex M4 co-processor
Signed-off-by: Erin Lo
Signed-off-by: Nicolas Boichat
Signed-off-by: Pi-Hsun Shih
---
Changes from v12:
- Initialize cache before firmware load, to avoid problem while loading
large firmware.
- Disable watchdog
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