| Commit message (Collapse) | Author | Age | Files | Lines |
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With the SoC matching changed to a platform driver the match data
is available only after other drivers, which may rely on it are
already probed. This breaks at least the CAAM driver on i.MX8M.
Revert the change until all those drivers have been audited and
changed to be able to eal with match data being available later
in the boot process.
Fixes: 7d981405d0fd ("soc: imx8m: change to use platform driver")
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Tested-by: Frieder Schrempf <frieder.schrempf@kontron.de>
Acked-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Directly reading ocotp register depends on that bootloader enables ocotp
clk, which is not always effective, so change to use nvmem API. Using
nvmem API requires to support driver defer probe and thus change
soc-imx8m.c to use platform driver.
The other reason is that directly reading ocotp register causes kexec
kernel hang because the 1st kernel running will disable unused clks
after kernel boots up, and then ocotp clk will be disabled even if
bootloader enables it. When kexec kernel, ocotp clk needs to be enabled
before reading ocotp registers, and nvmem API with platform driver
supported can accomplish this.
Reviewed-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Alice Guo <alice.guo@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Fix the build warning with x86_64-randconfig
>> drivers/soc/imx/soc-imx8m.c:150:34: warning: unused variable
>> 'imx8_soc_match' [-Wunused-const-variable]
static const struct of_device_id imx8_soc_match[] = { ^
Fixes: fc40200ebf82 ("soc: imx: increase build coverage for imx8m soc driver")
Reported-by: kernel test robot <lkp@intel.com>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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Correct i.MX8MP UID fuse offset according to fuse map:
UID_LOW: 0x420
UID_HIGH: 0x430
Fixes: fc40200ebf82 ("soc: imx: increase build coverage for imx8m soc driver")
Fixes: 18f662a73862 ("soc: imx: Add i.MX8MP SoC driver support")
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Reviewed-by: Iuliana Prodan <iuliana.prodan@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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No need to put node when of_find_compatible_node() failed, return
immediately to simplify the code.
Signed-off-by: Anson Huang <Anson.Huang@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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The soc-imx8.c driver is actually for i.MX8M family, so rename it
to soc-imx8m.c.
Use CONFIG_SOC_IMX8M as build gate, not CONFIG_ARCH_MXC, to control
whether build this driver, also make it possible for compile test.
Default set it to y for ARCH_MXC && ARM64
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Reviewed-by: Leonard Crestez <leonard.crestez@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
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