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path: root/drivers/net/ipa/ipa_main.c
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Diffstat (limited to 'drivers/net/ipa/ipa_main.c')
-rw-r--r--drivers/net/ipa/ipa_main.c103
1 files changed, 55 insertions, 48 deletions
diff --git a/drivers/net/ipa/ipa_main.c b/drivers/net/ipa/ipa_main.c
index 00475fd7a2..5f3dd5a2dc 100644
--- a/drivers/net/ipa/ipa_main.c
+++ b/drivers/net/ipa/ipa_main.c
@@ -1,39 +1,37 @@
// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
- * Copyright (C) 2018-2023 Linaro Ltd.
+ * Copyright (C) 2018-2024 Linaro Ltd.
*/
-#include <linux/types.h>
-#include <linux/atomic.h>
-#include <linux/bitfield.h>
-#include <linux/device.h>
#include <linux/bug.h>
-#include <linux/io.h>
#include <linux/firmware.h>
+#include <linux/io.h>
#include <linux/module.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/platform_device.h>
#include <linux/pm_runtime.h>
+#include <linux/types.h>
+
#include <linux/firmware/qcom/qcom_scm.h>
#include <linux/soc/qcom/mdt_loader.h>
#include "ipa.h"
-#include "ipa_power.h"
+#include "ipa_cmd.h"
#include "ipa_data.h"
#include "ipa_endpoint.h"
-#include "ipa_resource.h"
-#include "ipa_cmd.h"
-#include "ipa_reg.h"
+#include "ipa_interrupt.h"
#include "ipa_mem.h"
-#include "ipa_table.h"
-#include "ipa_smp2p.h"
#include "ipa_modem.h"
-#include "ipa_uc.h"
-#include "ipa_interrupt.h"
-#include "gsi_trans.h"
+#include "ipa_power.h"
+#include "ipa_reg.h"
+#include "ipa_resource.h"
+#include "ipa_smp2p.h"
#include "ipa_sysfs.h"
+#include "ipa_table.h"
+#include "ipa_uc.h"
+#include "ipa_version.h"
/**
* DOC: The IP Accelerator
@@ -114,17 +112,13 @@ int ipa_setup(struct ipa *ipa)
{
struct ipa_endpoint *exception_endpoint;
struct ipa_endpoint *command_endpoint;
- struct device *dev = &ipa->pdev->dev;
+ struct device *dev = ipa->dev;
int ret;
ret = gsi_setup(&ipa->gsi);
if (ret)
return ret;
- ret = ipa_power_setup(ipa);
- if (ret)
- goto err_gsi_teardown;
-
ipa_endpoint_setup(ipa);
/* We need to use the AP command TX endpoint to perform other
@@ -171,8 +165,6 @@ err_command_disable:
ipa_endpoint_disable_one(command_endpoint);
err_endpoint_teardown:
ipa_endpoint_teardown(ipa);
- ipa_power_teardown(ipa);
-err_gsi_teardown:
gsi_teardown(&ipa->gsi);
return ret;
@@ -197,7 +189,6 @@ static void ipa_teardown(struct ipa *ipa)
command_endpoint = ipa->name_map[IPA_ENDPOINT_AP_COMMAND_TX];
ipa_endpoint_disable_one(command_endpoint);
ipa_endpoint_teardown(ipa);
- ipa_power_teardown(ipa);
gsi_teardown(&ipa->gsi);
}
@@ -542,12 +533,9 @@ static int ipa_config(struct ipa *ipa, const struct ipa_data *data)
if (ret)
goto err_hardware_deconfig;
- ipa->interrupt = ipa_interrupt_config(ipa);
- if (IS_ERR(ipa->interrupt)) {
- ret = PTR_ERR(ipa->interrupt);
- ipa->interrupt = NULL;
+ ret = ipa_interrupt_config(ipa);
+ if (ret)
goto err_mem_deconfig;
- }
ipa_uc_config(ipa);
@@ -572,8 +560,7 @@ err_endpoint_deconfig:
ipa_endpoint_deconfig(ipa);
err_uc_deconfig:
ipa_uc_deconfig(ipa);
- ipa_interrupt_deconfig(ipa->interrupt);
- ipa->interrupt = NULL;
+ ipa_interrupt_deconfig(ipa);
err_mem_deconfig:
ipa_mem_deconfig(ipa);
err_hardware_deconfig:
@@ -591,8 +578,7 @@ static void ipa_deconfig(struct ipa *ipa)
ipa_modem_deconfig(ipa);
ipa_endpoint_deconfig(ipa);
ipa_uc_deconfig(ipa);
- ipa_interrupt_deconfig(ipa->interrupt);
- ipa->interrupt = NULL;
+ ipa_interrupt_deconfig(ipa);
ipa_mem_deconfig(ipa);
ipa_hardware_deconfig(ipa);
}
@@ -808,6 +794,7 @@ out_self:
static int ipa_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
+ struct ipa_interrupt *interrupt;
enum ipa_firmware_loader loader;
const struct ipa_data *data;
struct ipa_power *power;
@@ -823,11 +810,6 @@ static int ipa_probe(struct platform_device *pdev)
return -ENODEV;
}
- if (!ipa_version_supported(data->version)) {
- dev_err(dev, "unsupported IPA version %u\n", data->version);
- return -EINVAL;
- }
-
if (!data->modem_route_count) {
dev_err(dev, "modem_route_count cannot be zero\n");
return -EINVAL;
@@ -839,12 +821,21 @@ static int ipa_probe(struct platform_device *pdev)
if (loader == IPA_LOADER_DEFER)
return -EPROBE_DEFER;
- /* The clock and interconnects might not be ready when we're
- * probed, so might return -EPROBE_DEFER.
+ /* The IPA interrupt might not be ready when we're probed, so this
+ * might return -EPROBE_DEFER.
+ */
+ interrupt = ipa_interrupt_init(pdev);
+ if (IS_ERR(interrupt))
+ return PTR_ERR(interrupt);
+
+ /* The clock and interconnects might not be ready when we're probed,
+ * so this might return -EPROBE_DEFER.
*/
power = ipa_power_init(dev, data->power_data);
- if (IS_ERR(power))
- return PTR_ERR(power);
+ if (IS_ERR(power)) {
+ ret = PTR_ERR(power);
+ goto err_interrupt_exit;
+ }
/* No more EPROBE_DEFER. Allocate and initialize the IPA structure */
ipa = kzalloc(sizeof(*ipa), GFP_KERNEL);
@@ -853,21 +844,26 @@ static int ipa_probe(struct platform_device *pdev)
goto err_power_exit;
}
- ipa->pdev = pdev;
+ ipa->dev = dev;
dev_set_drvdata(dev, ipa);
+ ipa->interrupt = interrupt;
ipa->power = power;
ipa->version = data->version;
ipa->modem_route_count = data->modem_route_count;
init_completion(&ipa->completion);
- ret = ipa_reg_init(ipa);
+ ret = ipa_reg_init(ipa, pdev);
if (ret)
goto err_kfree_ipa;
- ret = ipa_mem_init(ipa, data->mem_data);
+ ret = ipa_mem_init(ipa, pdev, data->mem_data);
if (ret)
goto err_reg_exit;
+ ret = ipa_cmd_init(ipa);
+ if (ret)
+ goto err_mem_exit;
+
ret = gsi_init(&ipa->gsi, pdev, ipa->version, data->endpoint_count,
data->endpoint_data);
if (ret)
@@ -882,7 +878,7 @@ static int ipa_probe(struct platform_device *pdev)
if (ret)
goto err_endpoint_exit;
- ret = ipa_smp2p_init(ipa, loader == IPA_LOADER_MODEM);
+ ret = ipa_smp2p_init(ipa, pdev, loader == IPA_LOADER_MODEM);
if (ret)
goto err_table_exit;
@@ -939,17 +935,27 @@ err_kfree_ipa:
kfree(ipa);
err_power_exit:
ipa_power_exit(power);
+err_interrupt_exit:
+ ipa_interrupt_exit(interrupt);
return ret;
}
static void ipa_remove(struct platform_device *pdev)
{
- struct ipa *ipa = dev_get_drvdata(&pdev->dev);
- struct ipa_power *power = ipa->power;
- struct device *dev = &pdev->dev;
+ struct ipa_interrupt *interrupt;
+ struct ipa_power *power;
+ struct device *dev;
+ struct ipa *ipa;
int ret;
+ ipa = dev_get_drvdata(&pdev->dev);
+ dev = ipa->dev;
+ WARN_ON(dev != &pdev->dev);
+
+ power = ipa->power;
+ interrupt = ipa->interrupt;
+
/* Prevent the modem from triggering a call to ipa_setup(). This
* also ensures a modem-initiated setup that's underway completes.
*/
@@ -991,6 +997,7 @@ out_power_put:
ipa_reg_exit(ipa);
kfree(ipa);
ipa_power_exit(power);
+ ipa_interrupt_exit(interrupt);
dev_info(dev, "IPA driver removed");
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-10-02 22:44:01 +0000