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Commit c8086c7d authored by Ansuel Smith's avatar Ansuel Smith Committed by Petr Štetiar
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ipq806x: refresh new and changed patches 


Refresh patches to remove fuzz

Tested-by: Stefan Lippers-Hollmann <s.l-h@gmx.de> [nbg6817/ipq8065]
Signed-off-by: default avatarAnsuel Smith <ansuelsmth@gmail.com>
parent 62a4e4b3
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with 496 additions and 212 deletions
target/linux/ipq806x/patches-4.19/0035-qcom-cpufreq-nvmem-qcm-kyrp_make_Some_variables_static.patch
+ 0
− 2
View file @ c8086c7d
......@@ -12,8 +12,6 @@ Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
drivers/cpufreq/qcom-cpufreq-kryo.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-kryo.c
index 2a3675c24032b..1c8583cc06a2a 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-kryo.c
@@ -42,7 +42,7 @@ enum _msm8996_version {
......
target/linux/ipq806x/patches-4.19/0036-qcom-cpufreq-nvmem-Re-organise-kryo-cpufreq-driver.patch
+ 455
− 157
View file @ c8086c7d
......@@ -25,11 +25,9 @@ Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
4 files changed, 78 insertions(+), 54 deletions(-)
rename drivers/cpufreq/{qcom-cpufreq-kryo.c => qcom-cpufreq-nvmem.c} (69%)
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 56c31a78c6920..b1aa485a28dde 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -120,8 +120,8 @@ config ARM_OMAP2PLUS_CPUFREQ
@@ -110,8 +110,8 @@ config ARM_OMAP2PLUS_CPUFREQ
depends on ARCH_OMAP2PLUS
default ARCH_OMAP2PLUS
......@@ -40,11 +38,9 @@ index 56c31a78c6920..b1aa485a28dde 100644
depends on ARM64
depends on QCOM_QFPROM
depends on QCOM_SMEM
diff --git a/drivers/cpufreq/Makefile b/drivers/cpufreq/Makefile
index 5a6c70d26c985..8572a918aa755 100644
--- a/drivers/cpufreq/Makefile
+++ b/drivers/cpufreq/Makefile
@@ -64,7 +64,7 @@ obj-$(CONFIG_MACH_MVEBU_V7) += mvebu-cpufreq.o
@@ -64,7 +64,7 @@ obj-$(CONFIG_MACH_MVEBU_V7) += mvebu-cp
obj-$(CONFIG_ARM_OMAP2PLUS_CPUFREQ) += omap-cpufreq.o
obj-$(CONFIG_ARM_PXA2xx_CPUFREQ) += pxa2xx-cpufreq.o
obj-$(CONFIG_PXA3xx) += pxa3xx-cpufreq.o
......@@ -53,55 +49,344 @@ index 5a6c70d26c985..8572a918aa755 100644
obj-$(CONFIG_ARM_S3C2410_CPUFREQ) += s3c2410-cpufreq.o
obj-$(CONFIG_ARM_S3C2412_CPUFREQ) += s3c2412-cpufreq.o
obj-$(CONFIG_ARM_S3C2416_CPUFREQ) += s3c2416-cpufreq.o
diff --git a/drivers/cpufreq/qcom-cpufreq-kryo.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
similarity index 69%
rename from drivers/cpufreq/qcom-cpufreq-kryo.c
rename to drivers/cpufreq/qcom-cpufreq-nvmem.c
index dd64dcf89c74c..fd08120768af2 100644
--- a/drivers/cpufreq/qcom-cpufreq-kryo.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -9,7 +9,7 @@
* based on the silicon variant in use. Qualcomm Process Voltage Scaling Tables
* defines the voltage and frequency value based on the msm-id in SMEM
* and speedbin blown in the efuse combination.
+++ /dev/null
@@ -1,249 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * Copyright (c) 2018, The Linux Foundation. All rights reserved.
- */
-
-/*
- * In Certain QCOM SoCs like apq8096 and msm8996 that have KRYO processors,
- * the CPU frequency subset and voltage value of each OPP varies
- * based on the silicon variant in use. Qualcomm Process Voltage Scaling Tables
- * defines the voltage and frequency value based on the msm-id in SMEM
- * and speedbin blown in the efuse combination.
- * The qcom-cpufreq-kryo driver reads the msm-id and efuse value from the SoC
- * to provide the OPP framework with required information.
- * This is used to determine the voltage and frequency value for each OPP of
- * operating-points-v2 table when it is parsed by the OPP framework.
- */
-
-#include <linux/cpu.h>
-#include <linux/err.h>
-#include <linux/init.h>
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/nvmem-consumer.h>
-#include <linux/of.h>
-#include <linux/platform_device.h>
-#include <linux/pm_opp.h>
-#include <linux/slab.h>
-#include <linux/soc/qcom/smem.h>
-
-#define MSM_ID_SMEM 137
-
-enum _msm_id {
- MSM8996V3 = 0xF6ul,
- APQ8096V3 = 0x123ul,
- MSM8996SG = 0x131ul,
- APQ8096SG = 0x138ul,
-};
-
-enum _msm8996_version {
- MSM8996_V3,
- MSM8996_SG,
- NUM_OF_MSM8996_VERSIONS,
-};
-
-static struct platform_device *cpufreq_dt_pdev, *kryo_cpufreq_pdev;
-
-static enum _msm8996_version qcom_cpufreq_kryo_get_msm_id(void)
-{
- size_t len;
- u32 *msm_id;
- enum _msm8996_version version;
-
- msm_id = qcom_smem_get(QCOM_SMEM_HOST_ANY, MSM_ID_SMEM, &len);
- if (IS_ERR(msm_id))
- return NUM_OF_MSM8996_VERSIONS;
-
- /* The first 4 bytes are format, next to them is the actual msm-id */
- msm_id++;
-
- switch ((enum _msm_id)*msm_id) {
- case MSM8996V3:
- case APQ8096V3:
- version = MSM8996_V3;
- break;
- case MSM8996SG:
- case APQ8096SG:
- version = MSM8996_SG;
- break;
- default:
- version = NUM_OF_MSM8996_VERSIONS;
- }
-
- return version;
-}
-
-static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
-{
- struct opp_table **opp_tables;
- enum _msm8996_version msm8996_version;
- struct nvmem_cell *speedbin_nvmem;
- struct device_node *np;
- struct device *cpu_dev;
- unsigned cpu;
- u8 *speedbin;
- u32 versions;
- size_t len;
- int ret;
-
- cpu_dev = get_cpu_device(0);
- if (!cpu_dev)
- return -ENODEV;
-
- msm8996_version = qcom_cpufreq_kryo_get_msm_id();
- if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
- dev_err(cpu_dev, "Not Snapdragon 820/821!");
- return -ENODEV;
- }
-
- np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
- if (!np)
- return -ENOENT;
-
- ret = of_device_is_compatible(np, "operating-points-v2-kryo-cpu");
- if (!ret) {
- of_node_put(np);
- return -ENOENT;
- }
-
- speedbin_nvmem = of_nvmem_cell_get(np, NULL);
- of_node_put(np);
- if (IS_ERR(speedbin_nvmem)) {
- if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
- dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
- PTR_ERR(speedbin_nvmem));
- return PTR_ERR(speedbin_nvmem);
- }
-
- speedbin = nvmem_cell_read(speedbin_nvmem, &len);
- nvmem_cell_put(speedbin_nvmem);
- if (IS_ERR(speedbin))
- return PTR_ERR(speedbin);
-
- switch (msm8996_version) {
- case MSM8996_V3:
- versions = 1 << (unsigned int)(*speedbin);
- break;
- case MSM8996_SG:
- versions = 1 << ((unsigned int)(*speedbin) + 4);
- break;
- default:
- BUG();
- break;
- }
- kfree(speedbin);
-
- opp_tables = kcalloc(num_possible_cpus(), sizeof(*opp_tables), GFP_KERNEL);
- if (!opp_tables)
- return -ENOMEM;
-
- for_each_possible_cpu(cpu) {
- cpu_dev = get_cpu_device(cpu);
- if (NULL == cpu_dev) {
- ret = -ENODEV;
- goto free_opp;
- }
-
- opp_tables[cpu] = dev_pm_opp_set_supported_hw(cpu_dev,
- &versions, 1);
- if (IS_ERR(opp_tables[cpu])) {
- ret = PTR_ERR(opp_tables[cpu]);
- dev_err(cpu_dev, "Failed to set supported hardware\n");
- goto free_opp;
- }
- }
-
- cpufreq_dt_pdev = platform_device_register_simple("cpufreq-dt", -1,
- NULL, 0);
- if (!IS_ERR(cpufreq_dt_pdev)) {
- platform_set_drvdata(pdev, opp_tables);
- return 0;
- }
-
- ret = PTR_ERR(cpufreq_dt_pdev);
- dev_err(cpu_dev, "Failed to register platform device\n");
-
-free_opp:
- for_each_possible_cpu(cpu) {
- if (IS_ERR_OR_NULL(opp_tables[cpu]))
- break;
- dev_pm_opp_put_supported_hw(opp_tables[cpu]);
- }
- kfree(opp_tables);
-
- return ret;
-}
-
-static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
-{
- struct opp_table **opp_tables = platform_get_drvdata(pdev);
- unsigned int cpu;
-
- platform_device_unregister(cpufreq_dt_pdev);
-
- for_each_possible_cpu(cpu)
- dev_pm_opp_put_supported_hw(opp_tables[cpu]);
-
- kfree(opp_tables);
-
- return 0;
-}
-
-static struct platform_driver qcom_cpufreq_kryo_driver = {
- .probe = qcom_cpufreq_kryo_probe,
- .remove = qcom_cpufreq_kryo_remove,
- .driver = {
- .name = "qcom-cpufreq-kryo",
- },
-};
-
-static const struct of_device_id qcom_cpufreq_kryo_match_list[] __initconst = {
- { .compatible = "qcom,apq8096", },
- { .compatible = "qcom,msm8996", },
- {}
-};
-
-/*
- * Since the driver depends on smem and nvmem drivers, which may
- * return EPROBE_DEFER, all the real activity is done in the probe,
- * which may be defered as well. The init here is only registering
- * the driver and the platform device.
- */
-static int __init qcom_cpufreq_kryo_init(void)
-{
- struct device_node *np = of_find_node_by_path("/");
- const struct of_device_id *match;
- int ret;
-
- if (!np)
- return -ENODEV;
-
- match = of_match_node(qcom_cpufreq_kryo_match_list, np);
- of_node_put(np);
- if (!match)
- return -ENODEV;
-
- ret = platform_driver_register(&qcom_cpufreq_kryo_driver);
- if (unlikely(ret < 0))
- return ret;
-
- kryo_cpufreq_pdev = platform_device_register_simple(
- "qcom-cpufreq-kryo", -1, NULL, 0);
- ret = PTR_ERR_OR_ZERO(kryo_cpufreq_pdev);
- if (0 == ret)
- return 0;
-
- platform_driver_unregister(&qcom_cpufreq_kryo_driver);
- return ret;
-}
-module_init(qcom_cpufreq_kryo_init);
-
-static void __exit qcom_cpufreq_kryo_exit(void)
-{
- platform_device_unregister(kryo_cpufreq_pdev);
- platform_driver_unregister(&qcom_cpufreq_kryo_driver);
-}
-module_exit(qcom_cpufreq_kryo_exit);
-
-MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Kryo CPUfreq driver");
-MODULE_LICENSE("GPL v2");
--- /dev/null
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -0,0 +1,273 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Copyright (c) 2018, The Linux Foundation. All rights reserved.
+ */
+
+/*
+ * In Certain QCOM SoCs like apq8096 and msm8996 that have KRYO processors,
+ * the CPU frequency subset and voltage value of each OPP varies
+ * based on the silicon variant in use. Qualcomm Process Voltage Scaling Tables
+ * defines the voltage and frequency value based on the msm-id in SMEM
+ * and speedbin blown in the efuse combination.
+ * The qcom-cpufreq-nvmem driver reads the msm-id and efuse value from the SoC
* to provide the OPP framework with required information.
* This is used to determine the voltage and frequency value for each OPP of
* operating-points-v2 table when it is parsed by the OPP framework.
@@ -22,6 +22,7 @@
#include <linux/module.h>
#include <linux/nvmem-consumer.h>
#include <linux/of.h>
+ * to provide the OPP framework with required information.
+ * This is used to determine the voltage and frequency value for each OPP of
+ * operating-points-v2 table when it is parsed by the OPP framework.
+ */
+
+#include <linux/cpu.h>
+#include <linux/err.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/nvmem-consumer.h>
+#include <linux/of.h>
+#include <linux/of_device.h>
#include <linux/platform_device.h>
#include <linux/pm_opp.h>
#include <linux/slab.h>
@@ -42,9 +43,9 @@ enum _msm8996_version {
NUM_OF_MSM8996_VERSIONS,
};
-static struct platform_device *cpufreq_dt_pdev, *kryo_cpufreq_pdev;
+#include <linux/platform_device.h>
+#include <linux/pm_opp.h>
+#include <linux/slab.h>
+#include <linux/soc/qcom/smem.h>
+
+#define MSM_ID_SMEM 137
+
+enum _msm_id {
+ MSM8996V3 = 0xF6ul,
+ APQ8096V3 = 0x123ul,
+ MSM8996SG = 0x131ul,
+ APQ8096SG = 0x138ul,
+};
+
+enum _msm8996_version {
+ MSM8996_V3,
+ MSM8996_SG,
+ NUM_OF_MSM8996_VERSIONS,
+};
+
+static struct platform_device *cpufreq_dt_pdev, *cpufreq_pdev;
-static enum _msm8996_version qcom_cpufreq_kryo_get_msm_id(void)
+
+static enum _msm8996_version qcom_cpufreq_get_msm_id(void)
{
size_t len;
u32 *msm_id;
@@ -73,28 +74,62 @@ static enum _msm8996_version qcom_cpufreq_kryo_get_msm_id(void)
return version;
}
-static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
+{
+ size_t len;
+ u32 *msm_id;
+ enum _msm8996_version version;
+
+ msm_id = qcom_smem_get(QCOM_SMEM_HOST_ANY, MSM_ID_SMEM, &len);
+ if (IS_ERR(msm_id))
+ return NUM_OF_MSM8996_VERSIONS;
+
+ /* The first 4 bytes are format, next to them is the actual msm-id */
+ msm_id++;
+
+ switch ((enum _msm_id)*msm_id) {
+ case MSM8996V3:
+ case APQ8096V3:
+ version = MSM8996_V3;
+ break;
+ case MSM8996SG:
+ case APQ8096SG:
+ version = MSM8996_SG;
+ break;
+ default:
+ version = NUM_OF_MSM8996_VERSIONS;
+ }
+
+ return version;
+}
+
+static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
+ struct nvmem_cell *speedbin_nvmem,
+ u32 *versions)
{
- struct opp_table **opp_tables;
+{
+ size_t len;
+ u8 *speedbin;
enum _msm8996_version msm8996_version;
+ enum _msm8996_version msm8996_version;
+
+ msm8996_version = qcom_cpufreq_get_msm_id();
+ if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
......@@ -135,147 +420,160 @@ index dd64dcf89c74c..fd08120768af2 100644
+ int (*get_version)(struct device *cpu_dev,
+ struct nvmem_cell *speedbin_nvmem,
+ u32 *versions);
struct nvmem_cell *speedbin_nvmem;
struct device_node *np;
struct device *cpu_dev;
unsigned cpu;
- u8 *speedbin;
u32 versions;
- size_t len;
+ struct nvmem_cell *speedbin_nvmem;
+ struct device_node *np;
+ struct device *cpu_dev;
+ unsigned cpu;
+ u32 versions;
+ const struct of_device_id *match;
int ret;
cpu_dev = get_cpu_device(0);
if (!cpu_dev)
return -ENODEV;
- msm8996_version = qcom_cpufreq_kryo_get_msm_id();
- if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
- dev_err(cpu_dev, "Not Snapdragon 820/821!");
+ int ret;
+
+ cpu_dev = get_cpu_device(0);
+ if (!cpu_dev)
+ return -ENODEV;
+
+ match = pdev->dev.platform_data;
+ get_version = match->data;
+ if (!get_version)
return -ENODEV;
- }
np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
if (!np)
@@ -115,23 +150,10 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
return PTR_ERR(speedbin_nvmem);
}
- speedbin = nvmem_cell_read(speedbin_nvmem, &len);
+ return -ENODEV;
+
+ np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
+ if (!np)
+ return -ENOENT;
+
+ ret = of_device_is_compatible(np, "operating-points-v2-kryo-cpu");
+ if (!ret) {
+ of_node_put(np);
+ return -ENOENT;
+ }
+
+ speedbin_nvmem = of_nvmem_cell_get(np, NULL);
+ of_node_put(np);
+ if (IS_ERR(speedbin_nvmem)) {
+ if (PTR_ERR(speedbin_nvmem) != -EPROBE_DEFER)
+ dev_err(cpu_dev, "Could not get nvmem cell: %ld\n",
+ PTR_ERR(speedbin_nvmem));
+ return PTR_ERR(speedbin_nvmem);
+ }
+
+ ret = get_version(cpu_dev, speedbin_nvmem, &versions);
nvmem_cell_put(speedbin_nvmem);
- if (IS_ERR(speedbin))
- return PTR_ERR(speedbin);
-
- switch (msm8996_version) {
- case MSM8996_V3:
- versions = 1 << (unsigned int)(*speedbin);
- break;
- case MSM8996_SG:
- versions = 1 << ((unsigned int)(*speedbin) + 4);
- break;
- default:
- BUG();
- break;
- }
- kfree(speedbin);
+ nvmem_cell_put(speedbin_nvmem);
+ if (ret)
+ return ret;
opp_tables = kcalloc(num_possible_cpus(), sizeof(*opp_tables), GFP_KERNEL);
if (!opp_tables)
@@ -174,7 +196,7 @@ static int qcom_cpufreq_kryo_probe(struct platform_device *pdev)
return ret;
}
-static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
+
+ opp_tables = kcalloc(num_possible_cpus(), sizeof(*opp_tables), GFP_KERNEL);
+ if (!opp_tables)
+ return -ENOMEM;
+
+ for_each_possible_cpu(cpu) {
+ cpu_dev = get_cpu_device(cpu);
+ if (NULL == cpu_dev) {
+ ret = -ENODEV;
+ goto free_opp;
+ }
+
+ opp_tables[cpu] = dev_pm_opp_set_supported_hw(cpu_dev,
+ &versions, 1);
+ if (IS_ERR(opp_tables[cpu])) {
+ ret = PTR_ERR(opp_tables[cpu]);
+ dev_err(cpu_dev, "Failed to set supported hardware\n");
+ goto free_opp;
+ }
+ }
+
+ cpufreq_dt_pdev = platform_device_register_simple("cpufreq-dt", -1,
+ NULL, 0);
+ if (!IS_ERR(cpufreq_dt_pdev)) {
+ platform_set_drvdata(pdev, opp_tables);
+ return 0;
+ }
+
+ ret = PTR_ERR(cpufreq_dt_pdev);
+ dev_err(cpu_dev, "Failed to register platform device\n");
+
+free_opp:
+ for_each_possible_cpu(cpu) {
+ if (IS_ERR_OR_NULL(opp_tables[cpu]))
+ break;
+ dev_pm_opp_put_supported_hw(opp_tables[cpu]);
+ }
+ kfree(opp_tables);
+
+ return ret;
+}
+
+static int qcom_cpufreq_remove(struct platform_device *pdev)
{
struct opp_table **opp_tables = platform_get_drvdata(pdev);
unsigned int cpu;
@@ -189,18 +211,20 @@ static int qcom_cpufreq_kryo_remove(struct platform_device *pdev)
return 0;
}
-static struct platform_driver qcom_cpufreq_kryo_driver = {
- .probe = qcom_cpufreq_kryo_probe,
- .remove = qcom_cpufreq_kryo_remove,
+{
+ struct opp_table **opp_tables = platform_get_drvdata(pdev);
+ unsigned int cpu;
+
+ platform_device_unregister(cpufreq_dt_pdev);
+
+ for_each_possible_cpu(cpu)
+ dev_pm_opp_put_supported_hw(opp_tables[cpu]);
+
+ kfree(opp_tables);
+
+ return 0;
+}
+
+static struct platform_driver qcom_cpufreq_driver = {
+ .probe = qcom_cpufreq_probe,
+ .remove = qcom_cpufreq_remove,
.driver = {
- .name = "qcom-cpufreq-kryo",
+ .driver = {
+ .name = "qcom-cpufreq-nvmem",
},
};
-static const struct of_device_id qcom_cpufreq_kryo_match_list[] __initconst = {
- { .compatible = "qcom,apq8096", },
- { .compatible = "qcom,msm8996", },
- {}
+ },
+};
+
+static const struct of_device_id qcom_cpufreq_match_list[] __initconst = {
+ { .compatible = "qcom,apq8096",
+ .data = qcom_cpufreq_kryo_name_version },
+ { .compatible = "qcom,msm8996",
+ .data = qcom_cpufreq_kryo_name_version },
+ {},
};
/*
@@ -209,7 +233,7 @@ static const struct of_device_id qcom_cpufreq_kryo_match_list[] __initconst = {
* which may be defered as well. The init here is only registering
* the driver and the platform device.
*/
-static int __init qcom_cpufreq_kryo_init(void)
+};
+
+/*
+ * Since the driver depends on smem and nvmem drivers, which may
+ * return EPROBE_DEFER, all the real activity is done in the probe,
+ * which may be defered as well. The init here is only registering
+ * the driver and the platform device.
+ */
+static int __init qcom_cpufreq_init(void)
{
struct device_node *np = of_find_node_by_path("/");
const struct of_device_id *match;
@@ -218,32 +242,32 @@ static int __init qcom_cpufreq_kryo_init(void)
if (!np)
return -ENODEV;
- match = of_match_node(qcom_cpufreq_kryo_match_list, np);
+{
+ struct device_node *np = of_find_node_by_path("/");
+ const struct of_device_id *match;
+ int ret;
+
+ if (!np)
+ return -ENODEV;
+
+ match = of_match_node(qcom_cpufreq_match_list, np);
of_node_put(np);
if (!match)
return -ENODEV;
- ret = platform_driver_register(&qcom_cpufreq_kryo_driver);
+ of_node_put(np);
+ if (!match)
+ return -ENODEV;
+
+ ret = platform_driver_register(&qcom_cpufreq_driver);
if (unlikely(ret < 0))
return ret;
- kryo_cpufreq_pdev = platform_device_register_simple(
- "qcom-cpufreq-kryo", -1, NULL, 0);
- ret = PTR_ERR_OR_ZERO(kryo_cpufreq_pdev);
+ if (unlikely(ret < 0))
+ return ret;
+
+ cpufreq_pdev = platform_device_register_data(NULL, "qcom-cpufreq-nvmem",
+ -1, match, sizeof(*match));
+ ret = PTR_ERR_OR_ZERO(cpufreq_pdev);
if (0 == ret)
return 0;
- platform_driver_unregister(&qcom_cpufreq_kryo_driver);
+ if (0 == ret)
+ return 0;
+
+ platform_driver_unregister(&qcom_cpufreq_driver);
return ret;
}
-module_init(qcom_cpufreq_kryo_init);
+ return ret;
+}
+module_init(qcom_cpufreq_init);
-static void __exit qcom_cpufreq_kryo_exit(void)
+
+static void __exit qcom_cpufreq_exit(void)
{
- platform_device_unregister(kryo_cpufreq_pdev);
- platform_driver_unregister(&qcom_cpufreq_kryo_driver);
+{
+ platform_device_unregister(cpufreq_pdev);
+ platform_driver_unregister(&qcom_cpufreq_driver);
}
-module_exit(qcom_cpufreq_kryo_exit);
+}
+module_exit(qcom_cpufreq_exit);
-MODULE_DESCRIPTION("Qualcomm Technologies, Inc. Kryo CPUfreq driver");
+
+MODULE_DESCRIPTION("Qualcomm Technologies, Inc. CPUfreq driver");
MODULE_LICENSE("GPL v2");
+MODULE_LICENSE("GPL v2");
target/linux/ipq806x/patches-4.19/0037-qcom-cpufreq-nvmem-Refactor-the-driver.patch
+ 8
− 10
View file @ c8086c7d
......@@ -20,8 +20,6 @@ Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
drivers/cpufreq/qcom-cpufreq-nvmem.c | 123 +++++++++++++++++----------
1 file changed, 79 insertions(+), 44 deletions(-)
diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index fd08120768af2..2d798a1685c5d 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -43,6 +43,20 @@ enum _msm8996_version {
......@@ -45,7 +43,7 @@ index fd08120768af2..2d798a1685c5d 100644
static struct platform_device *cpufreq_dt_pdev, *cpufreq_pdev;
static enum _msm8996_version qcom_cpufreq_get_msm_id(void)
@@ -76,7 +90,7 @@ static enum _msm8996_version qcom_cpufreq_get_msm_id(void)
@@ -76,7 +90,7 @@ static enum _msm8996_version qcom_cpufre
static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
struct nvmem_cell *speedbin_nvmem,
......@@ -54,7 +52,7 @@ index fd08120768af2..2d798a1685c5d 100644
{
size_t len;
u8 *speedbin;
@@ -94,10 +108,10 @@ static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
@@ -94,10 +108,10 @@ static int qcom_cpufreq_kryo_name_versio
switch (msm8996_version) {
case MSM8996_V3:
......@@ -67,7 +65,7 @@ index fd08120768af2..2d798a1685c5d 100644
break;
default:
BUG();
@@ -108,17 +122,17 @@ static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
@@ -108,17 +122,17 @@ static int qcom_cpufreq_kryo_name_versio
return 0;
}
......@@ -90,7 +88,7 @@ index fd08120768af2..2d798a1685c5d 100644
const struct of_device_id *match;
int ret;
@@ -126,11 +140,6 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
@@ -126,11 +140,6 @@ static int qcom_cpufreq_probe(struct pla
if (!cpu_dev)
return -ENODEV;
......@@ -102,7 +100,7 @@ index fd08120768af2..2d798a1685c5d 100644
np = dev_pm_opp_of_get_opp_desc_node(cpu_dev);
if (!np)
return -ENOENT;
@@ -141,23 +150,43 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
@@ -141,23 +150,43 @@ static int qcom_cpufreq_probe(struct pla
return -ENOENT;
}
......@@ -160,7 +158,7 @@ index fd08120768af2..2d798a1685c5d 100644
for_each_possible_cpu(cpu) {
cpu_dev = get_cpu_device(cpu);
@@ -166,19 +195,23 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
@@ -166,19 +195,23 @@ static int qcom_cpufreq_probe(struct pla
goto free_opp;
}
......@@ -191,7 +189,7 @@ index fd08120768af2..2d798a1685c5d 100644
return 0;
}
@@ -187,26 +220,30 @@ static int qcom_cpufreq_probe(struct platform_device *pdev)
@@ -187,26 +220,30 @@ static int qcom_cpufreq_probe(struct pla
free_opp:
for_each_possible_cpu(cpu) {
......@@ -228,7 +226,7 @@ index fd08120768af2..2d798a1685c5d 100644
return 0;
}
@@ -220,10 +257,8 @@ static struct platform_driver qcom_cpufreq_driver = {
@@ -220,10 +257,8 @@ static struct platform_driver qcom_cpufr
};
static const struct of_device_id qcom_cpufreq_match_list[] __initconst = {
......
target/linux/ipq806x/patches-4.19/0038-qcom-cpufreq-nvmem-Add-support-for-krait-based-socs.patch
+ 12
− 18
View file @ c8086c7d
......@@ -39,11 +39,9 @@ Signed-off-by: Sricharan R <sricharan@codeaurora.org>
# - nvmem-cells: A phandle pointing to a nvmem-cells node representing the
# efuse registers that has information about the
# speedbin that is used to select the right frequency/voltage
diff --git a/drivers/cpufreq/Kconfig.arm b/drivers/cpufreq/Kconfig.arm
index 13fbd97..497ae89 100644
--- a/drivers/cpufreq/Kconfig.arm
+++ b/drivers/cpufreq/Kconfig.arm
@@ -126,7 +126,7 @@ config ARM_OMAP2PLUS_CPUFREQ
@@ -112,7 +112,7 @@ config ARM_OMAP2PLUS_CPUFREQ
config ARM_QCOM_CPUFREQ_NVMEM
tristate "Qualcomm nvmem based CPUFreq"
......@@ -52,11 +50,9 @@ index 13fbd97..497ae89 100644
depends on QCOM_QFPROM
depends on QCOM_SMEM
select PM_OPP
diff --git a/drivers/cpufreq/cpufreq-dt-platdev.c b/drivers/cpufreq/cpufreq-dt-platdev.c
index fe14c57..917cdc2 100644
--- a/drivers/cpufreq/cpufreq-dt-platdev.c
+++ b/drivers/cpufreq/cpufreq-dt-platdev.c
@@ -128,6 +128,11 @@
@@ -128,6 +128,11 @@ static const struct of_device_id blackli
{ .compatible = "ti,am43", },
{ .compatible = "ti,dra7", },
......@@ -68,11 +64,9 @@ index fe14c57..917cdc2 100644
{ }
};
diff --git a/drivers/cpufreq/qcom-cpufreq-nvmem.c b/drivers/cpufreq/qcom-cpufreq-nvmem.c
index 0ad8e5b..5f2add0 100644
--- a/drivers/cpufreq/qcom-cpufreq-nvmem.c
+++ b/drivers/cpufreq/qcom-cpufreq-nvmem.c
@@ -48,17 +48,92 @@
@@ -48,17 +48,92 @@ struct qcom_cpufreq_drv;
struct qcom_cpufreq_match_data {
int (*get_version)(struct device *cpu_dev,
struct nvmem_cell *speedbin_nvmem,
......@@ -166,7 +160,7 @@ index 0ad8e5b..5f2add0 100644
static enum _msm8996_version qcom_cpufreq_get_msm_id(void)
{
size_t len;
@@ -90,11 +165,13 @@
@@ -90,11 +165,13 @@ static enum _msm8996_version qcom_cpufre
static int qcom_cpufreq_kryo_name_version(struct device *cpu_dev,
struct nvmem_cell *speedbin_nvmem,
......@@ -180,7 +174,7 @@ index 0ad8e5b..5f2add0 100644
msm8996_version = qcom_cpufreq_get_msm_id();
if (NUM_OF_MSM8996_VERSIONS == msm8996_version) {
@@ -122,16 +199,51 @@
@@ -122,16 +199,51 @@ static int qcom_cpufreq_kryo_name_versio
return 0;
}
......@@ -232,7 +226,7 @@ index 0ad8e5b..5f2add0 100644
unsigned cpu;
const struct of_device_id *match;
int ret;
@@ -144,7 +256,7 @@
@@ -144,7 +256,7 @@ static int qcom_cpufreq_probe(struct pla
if (!np)
return -ENOENT;
......@@ -241,7 +235,7 @@ index 0ad8e5b..5f2add0 100644
if (!ret) {
of_node_put(np);
return -ENOENT;
@@ -172,7 +284,7 @@
@@ -172,7 +284,7 @@ static int qcom_cpufreq_probe(struct pla
goto free_drv;
}
......@@ -250,7 +244,7 @@ index 0ad8e5b..5f2add0 100644
if (ret) {
nvmem_cell_put(speedbin_nvmem);
goto free_drv;
@@ -181,12 +293,18 @@
@@ -181,12 +293,18 @@ static int qcom_cpufreq_probe(struct pla
}
of_node_put(np);
......@@ -271,7 +265,7 @@ index 0ad8e5b..5f2add0 100644
for_each_possible_cpu(cpu) {
cpu_dev = get_cpu_device(cpu);
@@ -196,11 +314,22 @@
@@ -196,11 +314,22 @@ static int qcom_cpufreq_probe(struct pla
}
if (drv->data->get_version) {
......@@ -298,7 +292,7 @@ index 0ad8e5b..5f2add0 100644
dev_err(cpu_dev,
"Failed to set supported hardware\n");
goto free_opp;
@@ -220,11 +349,18 @@
@@ -220,11 +349,18 @@ static int qcom_cpufreq_probe(struct pla
free_opp:
for_each_possible_cpu(cpu) {
......@@ -320,7 +314,7 @@ index 0ad8e5b..5f2add0 100644
free_drv:
kfree(drv);
@@ -239,10 +375,14 @@
@@ -239,10 +375,14 @@ static int qcom_cpufreq_remove(struct pl
platform_device_unregister(cpufreq_dt_pdev);
for_each_possible_cpu(cpu)
......@@ -338,7 +332,7 @@ index 0ad8e5b..5f2add0 100644
kfree(drv);
return 0;
@@ -259,6 +399,10 @@
@@ -259,6 +399,10 @@ static struct platform_driver qcom_cpufr
static const struct of_device_id qcom_cpufreq_match_list[] __initconst = {
{ .compatible = "qcom,apq8096", .data = &match_data_kryo },
{ .compatible = "qcom,msm8996", .data = &match_data_kryo },
......
target/linux/ipq806x/patches-4.19/0049-PM-OPP-Support-adjusting-OPP-voltages-at-runtime.patch
+ 14
− 18
View file @ c8086c7d
......@@ -37,15 +37,12 @@ Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
include/linux/pm_opp.h | 13 ++++++++
2 files changed, 82 insertions(+)
diff --git a/drivers/opp/core.c b/drivers/opp/core.c
index 3b7ffd0234e9..f38b3be85072 100644
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -2112,6 +2112,75 @@ static int _opp_set_availability(struct device *dev, unsigned long freq,
return r;
@@ -1623,6 +1623,75 @@ put_table:
}
+/**
/**
+ * dev_pm_opp_adjust_voltage() - helper to change the voltage of an OPP
+ * @dev: device for which we do this operation
+ * @freq: OPP frequency to adjust voltage of
......@@ -114,36 +111,35 @@ index 3b7ffd0234e9..f38b3be85072 100644
+ return r;
+}
+
/**
+/**
* dev_pm_opp_enable() - Enable a specific OPP
* @dev: device for which we do this operation
diff --git a/include/linux/pm_opp.h b/include/linux/pm_opp.h
index b8197ab014f2..747861816f4f 100644
* @freq: OPP frequency to enable
--- a/include/linux/pm_opp.h
+++ b/include/linux/pm_opp.h
@@ -22,6 +22,7 @@ struct opp_table;
@@ -25,6 +25,7 @@ struct opp_table;
enum dev_pm_opp_event {
OPP_EVENT_ADD, OPP_EVENT_REMOVE, OPP_EVENT_ENABLE, OPP_EVENT_DISABLE,
+ OPP_EVENT_ADJUST_VOLTAGE,
};
/**
@@ -113,6 +114,10 @@ int dev_pm_opp_add(struct device *dev, unsigned long freq,
@@ -108,6 +109,10 @@ int dev_pm_opp_add(struct device *dev, u
unsigned long u_volt);
void dev_pm_opp_remove(struct device *dev, unsigned long freq);
void dev_pm_opp_remove_all_dynamic(struct device *dev);
+int dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
+ unsigned long u_volt, unsigned long u_volt_min,
+ unsigned long u_volt_max);
+
int dev_pm_opp_enable(struct device *dev, unsigned long freq);
int dev_pm_opp_disable(struct device *dev, unsigned long freq);
@@ -242,6 +247,14 @@ static inline void dev_pm_opp_remove_all_dynamic(struct device *dev)
@@ -208,6 +213,14 @@ static inline void dev_pm_opp_remove(str
{
}
+static inline int
+dev_pm_opp_adjust_voltage(struct device *dev, unsigned long freq,
+ unsigned long u_volt, unsigned long u_volt_min,
......
target/linux/ipq806x/patches-4.19/0052-PM-OPP-Update-the-voltage-tolerance-when-adjusting-t.patch
+ 2
− 2
View file @ c8086c7d
......@@ -17,7 +17,7 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
--- a/drivers/opp/core.c
+++ b/drivers/opp/core.c
@@ -1663,6 +1663,7 @@
@@ -1663,6 +1663,7 @@ int dev_pm_opp_adjust_voltage(struct dev
struct opp_table *opp_table;
struct dev_pm_opp *tmp_opp, *opp = ERR_PTR(-ENODEV);
int r = 0;
......@@ -25,7 +25,7 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
/* Find the opp_table */
opp_table = _find_opp_table(dev);
@@ -1692,8 +1693,17 @@
@@ -1692,8 +1693,17 @@ int dev_pm_opp_adjust_voltage(struct dev
goto adjust_unlock;
opp->supplies->u_volt = u_volt;
......
target/linux/ipq806x/patches-4.19/0054-cpufreq-dt-Handle-OPP-voltage-adjust-events.patch
+ 2
− 2
View file @ c8086c7d
......@@ -99,7 +99,7 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
cpu_dev = get_cpu_device(policy->cpu);
if (!cpu_dev) {
@@ -254,10 +294,13 @@ static int cpufreq_init(struct cpufreq_p
@@ -251,10 +291,13 @@ static int cpufreq_init(struct cpufreq_p
__func__, ret);
}
......@@ -114,7 +114,7 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
}
priv->cpu_dev = cpu_dev;
@@ -287,6 +330,8 @@ static int cpufreq_init(struct cpufreq_p
@@ -284,6 +327,8 @@ static int cpufreq_init(struct cpufreq_p
out_free_cpufreq_table:
dev_pm_opp_free_cpufreq_table(cpu_dev, &freq_table);
......
target/linux/ipq806x/patches-4.19/0055-cpufreq-dt-Add-L2-frequency-scaling-support.patch
+ 2
− 2
View file @ c8086c7d
......@@ -52,7 +52,7 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
priv->opp_freq = freq * 1000;
arch_set_freq_scale(policy->related_cpus, freq,
policy->cpuinfo.max_freq);
@@ -201,6 +229,8 @@ static int cpufreq_init(struct cpufreq_p
@@ -201,6 +230,8 @@ static int cpufreq_init(struct cpufreq_p
const char *name;
int ret;
struct srcu_notifier_head *opp_srcu_head;
......@@ -61,7 +61,7 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
cpu_dev = get_cpu_device(policy->cpu);
if (!cpu_dev) {
@@ -310,6 +340,13 @@ static int cpufreq_init(struct cpufreq_p
@@ -307,6 +338,13 @@ static int cpufreq_init(struct cpufreq_p
policy->suspend_freq = dev_pm_opp_get_suspend_opp_freq(cpu_dev) / 1000;
......
target/linux/ipq806x/patches-4.19/0056-cpufreq-dt-Add-missing-rcu-locks.patch
+ 1
− 1
View file @ c8086c7d
......@@ -10,7 +10,7 @@ Signed-off-by: Georgi Djakov <georgi.djakov@linaro.org>
--- a/drivers/cpufreq/cpufreq-dt.c
+++ b/drivers/cpufreq/cpufreq-dt.c
@@ -146,8 +146,10 @@ static int opp_notifier(struct notifier_
@@ -147,8 +147,10 @@ static int opp_notifier(struct notifier_
ret = PTR_ERR(cpu_reg);
goto out;
}
......
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