mirror of
https://github.com/Divested-Mobile/DivestOS-Build.git
synced 2024-12-12 01:14:22 -05:00
606 lines
17 KiB
Diff
606 lines
17 KiB
Diff
From 6fb29c4773f632b7b6c31a8de56f55c32de3d350 Mon Sep 17 00:00:00 2001
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From: Kiran Gunda <kgunda@codeaurora.org>
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Date: Mon, 29 Feb 2016 13:27:50 +0530
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Subject: msm: msm_bus: remove the buspm module from kernel
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Remove the buspm module from msm_bus since it adds
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no functionality to the bus bandwidth aggregation
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driver. It is a loadable module used for profiling
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purposes.
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Change-Id: Ia0d21eb7e48d3cb2a74d4fae5ee4fb2fd449ea9f
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Signed-off-by: Kiran Gunda <kgunda@codeaurora.org>
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---
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arch/arm/configs/msm8909_defconfig | 1 -
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arch/arm/configs/msm8909w-perf_defconfig | 1 -
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arch/arm/configs/msm8909w_defconfig | 1 -
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arch/arm/configs/msm8937-perf_defconfig | 1 -
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arch/arm/configs/msm8937_defconfig | 1 -
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arch/arm/configs/msmcortex-perf_defconfig | 1 -
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arch/arm/configs/msmcortex_defconfig | 1 -
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arch/arm64/configs/msm-perf_defconfig | 1 -
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arch/arm64/configs/msm8937-perf_defconfig | 1 -
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arch/arm64/configs/msm8937_defconfig | 1 -
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arch/arm64/configs/msm_defconfig | 1 -
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arch/arm64/configs/msmcortex-perf_defconfig | 1 -
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arch/arm64/configs/msmcortex_defconfig | 1 -
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drivers/platform/msm/Kconfig | 9 -
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drivers/platform/msm/msm_bus/Makefile | 1 -
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drivers/platform/msm/msm_bus/msm-buspm-dev.c | 368 ---------------------
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.../msm/msm_bus/msm_buspm_coresight_adhoc.c | 1 +
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17 files changed, 1 insertion(+), 391 deletions(-)
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diff --git a/arch/arm/configs/msm8909_defconfig b/arch/arm/configs/msm8909_defconfig
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index a8ab18c..e2621aa 100644
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--- a/arch/arm/configs/msm8909_defconfig
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+++ b/arch/arm/configs/msm8909_defconfig
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@@ -383,7 +383,6 @@ CONFIG_ANDROID_LOW_MEMORY_KILLER=y
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CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_REVID=y
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CONFIG_SPS=y
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diff --git a/arch/arm/configs/msm8909w-perf_defconfig b/arch/arm/configs/msm8909w-perf_defconfig
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index e6a2585..435f97e 100644
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--- a/arch/arm/configs/msm8909w-perf_defconfig
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+++ b/arch/arm/configs/msm8909w-perf_defconfig
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@@ -407,7 +407,6 @@ CONFIG_ANDROID_LOW_MEMORY_KILLER=y
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CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm/configs/msm8909w_defconfig b/arch/arm/configs/msm8909w_defconfig
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index 7e4d0308d..2a8c354 100644
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--- a/arch/arm/configs/msm8909w_defconfig
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+++ b/arch/arm/configs/msm8909w_defconfig
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@@ -409,7 +409,6 @@ CONFIG_ANDROID_LOW_MEMORY_KILLER=y
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CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm/configs/msm8937-perf_defconfig b/arch/arm/configs/msm8937-perf_defconfig
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index fd0c4e9..48c10c8 100644
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--- a/arch/arm/configs/msm8937-perf_defconfig
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+++ b/arch/arm/configs/msm8937-perf_defconfig
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@@ -471,7 +471,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm/configs/msm8937_defconfig b/arch/arm/configs/msm8937_defconfig
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index 0c3e1d1..0d89f31 100644
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--- a/arch/arm/configs/msm8937_defconfig
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+++ b/arch/arm/configs/msm8937_defconfig
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@@ -478,7 +478,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm/configs/msmcortex-perf_defconfig b/arch/arm/configs/msmcortex-perf_defconfig
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index f41e11d..be65d54 100644
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--- a/arch/arm/configs/msmcortex-perf_defconfig
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+++ b/arch/arm/configs/msmcortex-perf_defconfig
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@@ -474,7 +474,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm/configs/msmcortex_defconfig b/arch/arm/configs/msmcortex_defconfig
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index 3306d6c..c58a80a 100644
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--- a/arch/arm/configs/msmcortex_defconfig
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+++ b/arch/arm/configs/msmcortex_defconfig
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@@ -475,7 +475,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm64/configs/msm-perf_defconfig b/arch/arm64/configs/msm-perf_defconfig
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index c2c0232..05efc6f 100644
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--- a/arch/arm64/configs/msm-perf_defconfig
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+++ b/arch/arm64/configs/msm-perf_defconfig
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@@ -479,7 +479,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm64/configs/msm8937-perf_defconfig b/arch/arm64/configs/msm8937-perf_defconfig
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index c697e1f..e10acc8 100644
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--- a/arch/arm64/configs/msm8937-perf_defconfig
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+++ b/arch/arm64/configs/msm8937-perf_defconfig
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@@ -484,7 +484,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm64/configs/msm8937_defconfig b/arch/arm64/configs/msm8937_defconfig
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index b05e721c..3342d55 100644
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--- a/arch/arm64/configs/msm8937_defconfig
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+++ b/arch/arm64/configs/msm8937_defconfig
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@@ -488,7 +488,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm64/configs/msm_defconfig b/arch/arm64/configs/msm_defconfig
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index 3d907ce..7054eb2 100644
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--- a/arch/arm64/configs/msm_defconfig
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+++ b/arch/arm64/configs/msm_defconfig
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@@ -485,7 +485,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_DEBUG_BUS_VOTER=y
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CONFIG_QPNP_POWER_ON=y
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diff --git a/arch/arm64/configs/msmcortex-perf_defconfig b/arch/arm64/configs/msmcortex-perf_defconfig
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index b3292ed..d0b9681 100644
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--- a/arch/arm64/configs/msmcortex-perf_defconfig
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+++ b/arch/arm64/configs/msmcortex-perf_defconfig
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@@ -487,7 +487,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/arch/arm64/configs/msmcortex_defconfig b/arch/arm64/configs/msmcortex_defconfig
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index a0176f1..8d449f9 100644
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--- a/arch/arm64/configs/msmcortex_defconfig
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+++ b/arch/arm64/configs/msmcortex_defconfig
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@@ -491,7 +491,6 @@ CONFIG_ION=y
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CONFIG_ION_MSM=y
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CONFIG_MSM_AVTIMER=y
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CONFIG_MSM_BUS_SCALING=y
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-CONFIG_MSM_BUSPM_DEV=m
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CONFIG_BUS_TOPOLOGY_ADHOC=y
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CONFIG_QPNP_POWER_ON=y
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CONFIG_QPNP_REVID=y
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diff --git a/drivers/platform/msm/Kconfig b/drivers/platform/msm/Kconfig
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index d1fabe1..b0a9a54 100644
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--- a/drivers/platform/msm/Kconfig
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+++ b/drivers/platform/msm/Kconfig
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@@ -16,15 +16,6 @@ config MSM_BUS_SCALING
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for the active devices needs without keeping the clocks at max
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frequency when a slower speed is sufficient.
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-config MSM_BUSPM_DEV
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- tristate "MSM Bus Performance Monitor Kernel Module"
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- depends on MSM_BUS_SCALING
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- help
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- This kernel module is used to mmap() hardware registers for the
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- performance monitors, counters, etc. The module can also be used to
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- allocate physical memory which is used by bus performance hardware to
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- dump performance data
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-
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config BUS_TOPOLOGY_ADHOC
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bool "ad-hoc bus scaling topology"
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help
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diff --git a/drivers/platform/msm/msm_bus/Makefile b/drivers/platform/msm/msm_bus/Makefile
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index fec4537..a58994d 100644
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--- a/drivers/platform/msm/msm_bus/Makefile
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+++ b/drivers/platform/msm/msm_bus/Makefile
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@@ -24,4 +24,3 @@ endif
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obj-$(CONFIG_DEBUG_FS) += msm_bus_dbg.o
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-obj-$(CONFIG_MSM_BUSPM_DEV) += msm-buspm-dev.o
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diff --git a/drivers/platform/msm/msm_bus/msm-buspm-dev.c b/drivers/platform/msm/msm_bus/msm-buspm-dev.c
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index 4d9262b..e69de29 100644
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--- a/drivers/platform/msm/msm_bus/msm-buspm-dev.c
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+++ b/drivers/platform/msm/msm_bus/msm-buspm-dev.c
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@@ -1,368 +0,0 @@
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-/* Copyright (c) 2011-2015, The Linux Foundation. All rights reserved.
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License version 2 and
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- * only version 2 as published by the Free Software Foundation.
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- *
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- * This program is distributed in the hope that it will be useful,
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- * but WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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- * GNU General Public License for more details.
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- */
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-
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-/* #define DEBUG */
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-
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-#include <linux/module.h>
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-#include <linux/fs.h>
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-#include <linux/mm.h>
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-#include <linux/err.h>
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-#include <linux/slab.h>
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-#include <linux/errno.h>
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-#include <linux/device.h>
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-#include <linux/uaccess.h>
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-#include <linux/miscdevice.h>
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-#include <linux/dma-mapping.h>
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-#include <soc/qcom/rpm-smd.h>
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-#include <uapi/linux/msm-buspm-dev.h>
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-
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-#define MSM_BUSPM_DRV_NAME "msm-buspm-dev"
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-
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-#ifdef CONFIG_COMPAT
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-static long
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-msm_buspm_dev_compat_ioctl(struct file *filp, unsigned int cmd,
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- unsigned long arg);
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-#else
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-#define msm_buspm_dev_compat_ioctl NULL
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-#endif
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-
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-static long
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-msm_buspm_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg);
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-static int msm_buspm_dev_mmap(struct file *filp, struct vm_area_struct *vma);
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-static int msm_buspm_dev_release(struct inode *inode, struct file *filp);
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-static int msm_buspm_dev_open(struct inode *inode, struct file *filp);
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-
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-static const struct file_operations msm_buspm_dev_fops = {
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- .owner = THIS_MODULE,
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- .mmap = msm_buspm_dev_mmap,
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- .open = msm_buspm_dev_open,
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- .unlocked_ioctl = msm_buspm_dev_ioctl,
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- .compat_ioctl = msm_buspm_dev_compat_ioctl,
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- .llseek = noop_llseek,
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- .release = msm_buspm_dev_release,
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-};
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-
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-struct miscdevice msm_buspm_misc = {
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- .minor = MISC_DYNAMIC_MINOR,
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- .name = MSM_BUSPM_DRV_NAME,
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- .fops = &msm_buspm_dev_fops,
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-};
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-
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-
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-enum msm_buspm_spdm_res {
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- SPDM_RES_ID = 0,
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- SPDM_RES_TYPE = 0x63707362,
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- SPDM_KEY = 0x00006e65,
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- SPDM_SIZE = 4,
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-};
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-/*
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- * Allocate kernel buffer.
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- * Currently limited to one buffer per file descriptor. If alloc() is
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- * called twice for the same descriptor, the original buffer is freed.
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- * There is also no locking protection so the same descriptor can not be shared.
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- */
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-
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-static inline void *msm_buspm_dev_get_vaddr(struct file *filp)
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-{
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- struct msm_buspm_map_dev *dev = filp->private_data;
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-
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- return (dev) ? dev->vaddr : NULL;
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-}
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-
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-static inline unsigned int msm_buspm_dev_get_buflen(struct file *filp)
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-{
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- struct msm_buspm_map_dev *dev = filp->private_data;
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-
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- return dev ? dev->buflen : 0;
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-}
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-
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-static inline unsigned long msm_buspm_dev_get_paddr(struct file *filp)
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-{
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- struct msm_buspm_map_dev *dev = filp->private_data;
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-
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- return (dev) ? dev->paddr : 0L;
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-}
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-
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-static void msm_buspm_dev_free(struct file *filp)
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-{
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- struct msm_buspm_map_dev *dev = filp->private_data;
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-
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- if (dev && dev->vaddr) {
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- pr_debug("freeing memory at 0x%p\n", dev->vaddr);
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- dma_free_coherent(msm_buspm_misc.this_device, dev->buflen,
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- dev->vaddr, dev->paddr);
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- dev->paddr = 0L;
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- dev->vaddr = NULL;
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- }
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-}
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-
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-static int msm_buspm_dev_open(struct inode *inode, struct file *filp)
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-{
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- struct msm_buspm_map_dev *dev;
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-
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- if (capable(CAP_SYS_ADMIN)) {
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- dev = kzalloc(sizeof(*dev), GFP_KERNEL);
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- if (dev)
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- filp->private_data = dev;
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- else
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- return -ENOMEM;
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- } else {
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- return -EPERM;
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- }
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-
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- return 0;
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-}
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-
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-static int
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-msm_buspm_dev_alloc(struct file *filp, struct buspm_alloc_params data)
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-{
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- dma_addr_t paddr;
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- void *vaddr;
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- struct msm_buspm_map_dev *dev = filp->private_data;
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-
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- /* If buffer already allocated, then free it */
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- if (dev->vaddr)
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- msm_buspm_dev_free(filp);
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-
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- /* Allocate uncached memory */
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- vaddr = dma_alloc_coherent(msm_buspm_misc.this_device, data.size,
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- &paddr, GFP_KERNEL);
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-
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- if (vaddr == NULL) {
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- pr_err("allocation of 0x%zu bytes failed", data.size);
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- return -ENOMEM;
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- }
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-
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- dev->vaddr = vaddr;
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- dev->paddr = paddr;
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- dev->buflen = data.size;
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- filp->f_pos = 0;
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- pr_debug("virt addr = 0x%p\n", dev->vaddr);
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- pr_debug("phys addr = 0x%lx\n", dev->paddr);
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-
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- return 0;
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-}
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-
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-static int msm_bus_rpm_req(u32 rsc_type, u32 key, u32 hwid,
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- int ctx, u32 val)
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-{
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- struct msm_rpm_request *rpm_req;
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- int ret, msg_id;
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-
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- rpm_req = msm_rpm_create_request(ctx, rsc_type, SPDM_RES_ID, 1);
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- if (rpm_req == NULL) {
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- pr_err("RPM: Couldn't create RPM Request\n");
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- return -ENXIO;
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- }
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-
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- ret = msm_rpm_add_kvp_data(rpm_req, key, (const uint8_t *)&val,
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- (int)(sizeof(uint32_t)));
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- if (ret) {
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- pr_err("RPM: Add KVP failed for RPM Req:%u\n",
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- rsc_type);
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- goto err;
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- }
|
|
-
|
|
- pr_debug("Added Key: %d, Val: %u, size: %zu\n", key,
|
|
- (uint32_t)val, sizeof(uint32_t));
|
|
- msg_id = msm_rpm_send_request(rpm_req);
|
|
- if (!msg_id) {
|
|
- pr_err("RPM: No message ID for req\n");
|
|
- ret = -ENXIO;
|
|
- goto err;
|
|
- }
|
|
-
|
|
- ret = msm_rpm_wait_for_ack(msg_id);
|
|
- if (ret) {
|
|
- pr_err("RPM: Ack failed\n");
|
|
- goto err;
|
|
- }
|
|
-
|
|
-err:
|
|
- msm_rpm_free_request(rpm_req);
|
|
- return ret;
|
|
-}
|
|
-
|
|
-static int msm_buspm_ioc_cmds(uint32_t arg)
|
|
-{
|
|
- switch (arg) {
|
|
- case MSM_BUSPM_SPDM_CLK_DIS:
|
|
- case MSM_BUSPM_SPDM_CLK_EN:
|
|
- return msm_bus_rpm_req(SPDM_RES_TYPE, SPDM_KEY, 0,
|
|
- MSM_RPM_CTX_ACTIVE_SET, arg);
|
|
- default:
|
|
- pr_warn("Unsupported ioctl command: %d\n", arg);
|
|
- return -EINVAL;
|
|
- }
|
|
-}
|
|
-
|
|
-
|
|
-
|
|
-static long
|
|
-msm_buspm_dev_ioctl(struct file *filp, unsigned int cmd, unsigned long arg)
|
|
-{
|
|
- struct buspm_xfer_req xfer;
|
|
- struct buspm_alloc_params alloc_data;
|
|
- unsigned long paddr;
|
|
- int retval = 0;
|
|
- void *buf = msm_buspm_dev_get_vaddr(filp);
|
|
- unsigned int buflen = msm_buspm_dev_get_buflen(filp);
|
|
- unsigned char *dbgbuf = buf;
|
|
-
|
|
- if (_IOC_TYPE(cmd) != MSM_BUSPM_IOC_MAGIC) {
|
|
- pr_err("Wrong IOC_MAGIC.Exiting\n");
|
|
- return -ENOTTY;
|
|
- }
|
|
-
|
|
- switch (cmd) {
|
|
- case MSM_BUSPM_IOC_FREE:
|
|
- pr_debug("cmd = 0x%x (FREE)\n", cmd);
|
|
- msm_buspm_dev_free(filp);
|
|
- break;
|
|
-
|
|
- case MSM_BUSPM_IOC_ALLOC:
|
|
- pr_debug("cmd = 0x%x (ALLOC)\n", cmd);
|
|
- retval = __get_user(alloc_data.size, (uint32_t __user *)arg);
|
|
-
|
|
- if (retval == 0)
|
|
- retval = msm_buspm_dev_alloc(filp, alloc_data);
|
|
- break;
|
|
-
|
|
- case MSM_BUSPM_IOC_RD_PHYS_ADDR:
|
|
- pr_debug("Read Physical Address\n");
|
|
- paddr = msm_buspm_dev_get_paddr(filp);
|
|
- if (paddr == 0L) {
|
|
- retval = -EINVAL;
|
|
- } else {
|
|
- pr_debug("phys addr = 0x%lx\n", paddr);
|
|
- retval = __put_user(paddr,
|
|
- (unsigned long __user *)arg);
|
|
- }
|
|
- break;
|
|
-
|
|
- case MSM_BUSPM_IOC_RDBUF:
|
|
- if (!buf) {
|
|
- retval = -EINVAL;
|
|
- break;
|
|
- }
|
|
-
|
|
- pr_debug("Read Buffer: 0x%x%x%x%x\n",
|
|
- dbgbuf[0], dbgbuf[1], dbgbuf[2], dbgbuf[3]);
|
|
-
|
|
- if (copy_from_user(&xfer, (void __user *)arg, sizeof(xfer))) {
|
|
- retval = -EFAULT;
|
|
- break;
|
|
- }
|
|
-
|
|
- if ((xfer.size <= buflen) &&
|
|
- (copy_to_user((void __user *)xfer.data, buf,
|
|
- xfer.size))) {
|
|
- retval = -EFAULT;
|
|
- break;
|
|
- }
|
|
- break;
|
|
-
|
|
- case MSM_BUSPM_IOC_WRBUF:
|
|
- pr_debug("Write Buffer\n");
|
|
-
|
|
- if (!buf) {
|
|
- retval = -EINVAL;
|
|
- break;
|
|
- }
|
|
-
|
|
- if (copy_from_user(&xfer, (void __user *)arg, sizeof(xfer))) {
|
|
- retval = -EFAULT;
|
|
- break;
|
|
- }
|
|
-
|
|
- if ((buflen <= xfer.size) &&
|
|
- (copy_from_user(buf, (void __user *)xfer.data,
|
|
- xfer.size))) {
|
|
- retval = -EFAULT;
|
|
- break;
|
|
- }
|
|
- break;
|
|
-
|
|
- case MSM_BUSPM_IOC_CMD:
|
|
- pr_debug("IOCTL command: cmd: %d arg: %lu\n", cmd, arg);
|
|
- retval = msm_buspm_ioc_cmds(arg);
|
|
- break;
|
|
-
|
|
- default:
|
|
- pr_debug("Unknown command 0x%x\n", cmd);
|
|
- retval = -EINVAL;
|
|
- break;
|
|
- }
|
|
-
|
|
- return retval;
|
|
-}
|
|
-
|
|
-static int msm_buspm_dev_release(struct inode *inode, struct file *filp)
|
|
-{
|
|
- struct msm_buspm_map_dev *dev = filp->private_data;
|
|
-
|
|
- msm_buspm_dev_free(filp);
|
|
- kfree(dev);
|
|
- filp->private_data = NULL;
|
|
-
|
|
- return 0;
|
|
-}
|
|
-
|
|
-static int msm_buspm_dev_mmap(struct file *filp, struct vm_area_struct *vma)
|
|
-{
|
|
- pr_debug("vma = 0x%p\n", vma);
|
|
-
|
|
- /* Mappings are uncached */
|
|
- vma->vm_page_prot = pgprot_noncached(vma->vm_page_prot);
|
|
- if (remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
|
|
- vma->vm_end - vma->vm_start, vma->vm_page_prot))
|
|
- return -EFAULT;
|
|
-
|
|
- return 0;
|
|
-}
|
|
-
|
|
-#ifdef CONFIG_COMPAT
|
|
-static long
|
|
-msm_buspm_dev_compat_ioctl(struct file *filp, unsigned int cmd,
|
|
- unsigned long arg)
|
|
-{
|
|
- return msm_buspm_dev_ioctl(filp, cmd, (unsigned long)compat_ptr(arg));
|
|
-}
|
|
-#endif
|
|
-
|
|
-static int __init msm_buspm_dev_init(void)
|
|
-{
|
|
- int ret = 0;
|
|
-
|
|
- ret = misc_register(&msm_buspm_misc);
|
|
- if (ret < 0) {
|
|
- WARN_ON(1);
|
|
- return ret;
|
|
- }
|
|
-
|
|
- if (msm_buspm_misc.this_device->coherent_dma_mask == 0)
|
|
- msm_buspm_misc.this_device->coherent_dma_mask =
|
|
- DMA_BIT_MASK(32);
|
|
-
|
|
- return ret;
|
|
-}
|
|
-
|
|
-static void __exit msm_buspm_dev_exit(void)
|
|
-{
|
|
- misc_deregister(&msm_buspm_misc);
|
|
-}
|
|
-module_init(msm_buspm_dev_init);
|
|
-module_exit(msm_buspm_dev_exit);
|
|
-
|
|
-MODULE_LICENSE("GPL v2");
|
|
-MODULE_VERSION("1.0");
|
|
-MODULE_ALIAS("platform:"MSM_BUSPM_DRV_NAME);
|
|
diff --git a/drivers/platform/msm/msm_bus/msm_buspm_coresight_adhoc.c b/drivers/platform/msm/msm_bus/msm_buspm_coresight_adhoc.c
|
|
index 9aec824..00b6e9a3 100644
|
|
--- a/drivers/platform/msm/msm_bus/msm_buspm_coresight_adhoc.c
|
|
+++ b/drivers/platform/msm/msm_bus/msm_buspm_coresight_adhoc.c
|
|
@@ -135,6 +135,7 @@ int msmbus_coresight_init_adhoc(struct platform_device *pdev,
|
|
return PTR_ERR(pdata);
|
|
|
|
drvdata = platform_get_drvdata(pdev);
|
|
+ dev_info(dev, "info: removed buspm module from kernel space\n");
|
|
if (IS_ERR_OR_NULL(drvdata)) {
|
|
drvdata = devm_kzalloc(dev, sizeof(*drvdata), GFP_KERNEL);
|
|
if (!drvdata) {
|
|
--
|
|
cgit v1.1
|
|
|