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- Avoid vpu rmmod failure caused by regulator free failure
Do not call regulator_put because regulators returned from
devm_regulator_get are automatically regulator_put() on
driver detach
- Avoid vpu modprobe warning caused by unbalanced pm_runtime_enable
Add missing call to pm_runtime_disable
Signed-off-by: Hongzhang Yang <Hongzhang.Yang@freescale.com>
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Add request_bus_freq() and release_bus_freq() calls to the
various drivers to ensure that the DDR and AHB are the requested
frequency before the driver starts its task.
Signed-off-by: Ranjani Vaidyanathan <ra5478@freescale.com>
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Add functions to hide different implemention for different
kernel
- vpu_power_get: get/put power/regulator
- vpu_power_up: enable/disable power/regulator
- vpu_reset
Implement regulator operations for Linux 3.10
- find regulator from VPU device node property
pu-supply
Replace printk/pr_xxx with dev_xxx
Signed-off-by: Hongzhang Yang <Hongzhang.Yang@freescale.com>
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Modify mxc_vpu.c to adapt to kernel 3.10 change
- Remove all references to header files in mach folder
- Include linux/clk.h instead of mach/clock.h
- Call device_reset instead of imx_src_reset_vpu
- Dummy PU and PM api callings before they are ready
- Dummy cpu_is_mx5? api callings
- Remove VM_RESERVED flags
- Call gen_pool instead of iram_alloc
Modify mxc_vpu.h
- Change CONFIG_ARCH_MX6 to CONFIG_SOC_IMX6Q
Modify Kconfig:
- Change ARCH_MX? to SOC_IMX?, remove ARCH_MX3/ARCH_MX37
because for MX3 series only SOC_IMX31 and SOC_IMX35 are
defined in Linux 3.10, and these chips don't have VPU.
Need to add SOC_IMX37 to VPU Kconfig if MX37 could be
supported later.
Add VPU to config and build path
- mxc/Kconfig
- mxc/Makefile
Signed-off-by: Hongzhang Yang <Hongzhang.Yang@freescale.com>
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Pick files from origin/imx_3.5.7 commit 135bf02a0727ea5ce96
- mxc_vpu.h is picked from arch/arm/plat-mxc/include/mach/
and put to include/linux/
- drivers/mxc/vpu/Kconfig
- drivers/mxc/vpu/Makefile
- drivers/mxc/vpu/mxc_vpu.c
Signed-off-by: Hongzhang Yang <Hongzhang.Yang@freescale.com>
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