linux-stable.git/drivers/soc, branch v6.0.7

soc/tegra: fuse: Drop Kconfig dependency on TEGRA20_APB_DMA

2022-10-21T10:38:34+00:00

[ Upstream commit 2254182807fc09ba9dec9a42ef239e373796f1b2 ]

The DMA subsystem could be entirely disabled in Kconfig and then the
TEGRA20_APB_DMA option isn't available too. Hence kernel configuration
fails if DMADEVICES Kconfig option is disabled due to the unsatisfiable
dependency.

The FUSE driver isn't a critical driver and currently it only provides
NVMEM interface to userspace which isn't known to be widely used, and
thus, it's fine if FUSE driver fails to load.

Let's remove the erroneous Kconfig dependency and let the FUSE driver to
fail the probing if DMA is unavailable.

Fixes: 19d41e5e9c68 ("soc/tegra: fuse: Add APB DMA dependency for Tegra20")
Reported-by: Necip Fazil Yildiran 
Link: https://bugzilla.kernel.org/show_bug.cgi?id=209301
Signed-off-by: Dmitry Osipenko 
Signed-off-by: Sasha Levin

soc/tegra: fuse: Add missing of_node_put() in tegra_init_fuse()

2022-10-21T10:38:34+00:00

[ Upstream commit e941712cccab8a96f03b5d3274159c1ed338efee ]

In this function, of_find_matching_node() will return a node pointer
with refcount incremented. We should use of_node_put() when the "np"
pointer is not used anymore.

Signed-off-by: Liang He 
Signed-off-by: Thierry Reding 
Signed-off-by: Sasha Levin 
Signed-off-by: Greg Kroah-Hartman

soc: qcom: smem_state: Add refcounting for the 'state->of_node'

2022-10-21T10:38:31+00:00

[ Upstream commit 90681f53b9381c23ff7762a3b13826d620c272de ]

In qcom_smem_state_register() and qcom_smem_state_release(), we
should better use of_node_get() and of_node_put() for the reference
creation and destruction of 'device_node'.

Fixes: 9460ae2ff308 ("soc: qcom: Introduce common SMEM state machine code")
Signed-off-by: Liang He 
Signed-off-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/20220721135217.1301039-2-windhl@126.com
Signed-off-by: Sasha Levin

soc: qcom: smsm: Fix refcount leak bugs in qcom_smsm_probe()

2022-10-21T10:38:31+00:00

[ Upstream commit af8f6f39b8afd772fda4f8e61823ef8c021bf382 ]

There are two refcount leak bugs in qcom_smsm_probe():

(1) The 'local_node' is escaped out from for_each_child_of_node() as
the break of iteration, we should call of_node_put() for it in error
path or when it is not used anymore.
(2) The 'node' is escaped out from for_each_available_child_of_node()
as the 'goto', we should call of_node_put() for it in goto target.

Fixes: c97c4090ff72 ("soc: qcom: smsm: Add driver for Qualcomm SMSM")
Signed-off-by: Liang He 
Signed-off-by: Bjorn Andersson 
Link: https://lore.kernel.org/r/20220721135217.1301039-1-windhl@126.com
Signed-off-by: Sasha Levin

Merge tag 'sunxi-drivers-fixes-for-6.0-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux into arm/fixes

2022-09-23T12:29:00+00:00

sunxi SRAM controller fixes for
- loading/unloading
- claiming regions
- debugfs info

* tag 'sunxi-drivers-fixes-for-6.0-1' of https://git.kernel.org/pub/scm/linux/kernel/git/sunxi/linux:
  soc: sunxi: sram: Fix debugfs info for A64 SRAM C
  soc: sunxi: sram: Fix probe function ordering issues
  soc: sunxi: sram: Prevent the driver from being unbound
  soc: sunxi: sram: Actually claim SRAM regions

Link: https://lore.kernel.org/r/YyeN0m78+m9nNEah@kista.localdomain
Signed-off-by: Arnd Bergmann

Merge tag 'arm-soc/for-6.0/drivers-fixes-v2' of https://github.com/Broadcom/stblinux into arm/fixes

2022-09-23T12:28:17+00:00

This pull request contains Broadcom SoCs driver fixes for 6.0, please
pull the following:

- Florian fixes a double of_node_put() in the Broadcom STB Bus Interface
  Unit driver

* tag 'arm-soc/for-6.0/drivers-fixes-v2' of https://github.com/Broadcom/stblinux:
  soc: bcm: brcmstb: biuctrl: Avoid double of_node_put()

Link: https://lore.kernel.org/r/20220918205038.3017866-1-f.fainelli@gmail.com
Signed-off-by: Arnd Bergmann

soc: bcm: brcmstb: biuctrl: Avoid double of_node_put()

2022-09-15T21:30:29+00:00

Commit 9a073d4fbb18 ("soc: bcm: brcmstb: biuctrl: Add missing
of_node_put()") added what was thought to be a missing of_node_put() but
now causes a double of_node_put() to be called, once from
setup_hifcpubiuctrl_regs() and another time from brcmstb_biuctrl_init().

Ensure that setup_hifcpubiuctrl_regs() is not calling of_node_put()
since it is not obvious it does that on one of its parameters.

Fixes: 9a073d4fbb18 ("soc: bcm: brcmstb: biuctrl: Add missing of_node_put()")
Reported-by: Jim Quinlan 
Signed-off-by: Florian Fainelli 
Change-Id: I1c405c36c2f06c8b8c0f684143b7a52db7e809f0

soc: sunxi: sram: Fix debugfs info for A64 SRAM C

2022-09-08T20:28:42+00:00

The labels were backward with respect to the register values. The SRAM
is mapped to the CPU when the register value is 1.

Fixes: 5e4fb6429761 ("drivers: soc: sunxi: add support for A64 and its SRAM C")
Acked-by: Jernej Skrabec 
Signed-off-by: Samuel Holland 
Signed-off-by: Jernej Skrabec 
Link: https://lore.kernel.org/r/20220815041248.53268-7-samuel@sholland.org

soc: sunxi: sram: Fix probe function ordering issues

2022-09-08T20:28:03+00:00

Errors from debugfs are intended to be non-fatal, and should not prevent
the driver from probing.

Since debugfs file creation is treated as infallible, move it below the
parts of the probe function that can fail. This prevents an error
elsewhere in the probe function from causing the file to leak. Do the
same for the call to of_platform_populate().

Finally, checkpatch suggests an octal literal for the file permissions.

Fixes: 4af34b572a85 ("drivers: soc: sunxi: Introduce SoC driver to map SRAMs")
Fixes: 5828729bebbb ("soc: sunxi: export a regmap for EMAC clock reg on A64")
Reviewed-by: Jernej Skrabec 
Signed-off-by: Samuel Holland 
Tested-by: Heiko Stuebner 
Signed-off-by: Jernej Skrabec 
Link: https://lore.kernel.org/r/20220815041248.53268-6-samuel@sholland.org

soc: sunxi: sram: Prevent the driver from being unbound

2022-09-08T20:27:24+00:00

This driver exports a regmap tied to the platform device (as opposed to
a syscon, which exports a regmap tied to the OF node). Because of this,
the driver can never be unbound, as that would destroy the regmap. Use
builtin_platform_driver_probe() to enforce this limitation.

Fixes: 5828729bebbb ("soc: sunxi: export a regmap for EMAC clock reg on A64")
Reviewed-by: Jernej Skrabec 
Signed-off-by: Samuel Holland 
Reviewed-by: Heiko Stuebner 
Tested-by: Heiko Stuebner 
Signed-off-by: Jernej Skrabec 
Link: https://lore.kernel.org/r/20220815041248.53268-5-samuel@sholland.org