M7350/kernel/arch/arm/mach-msm/smp2p_gpio_test.c
2024-09-09 08:52:07 +00:00

736 lines
20 KiB
C

/* arch/arm/mach-msm/smp2p_gpio_test.c
*
* Copyright (c) 2013, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
* only version 2 as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*/
#include <linux/module.h>
#include <linux/platform_device.h>
#include <linux/of_gpio.h>
#include <linux/of_irq.h>
#include <linux/gpio.h>
#include <linux/debugfs.h>
#include <linux/completion.h>
#include <linux/irq.h>
#include <linux/bitmap.h>
#include "smp2p_private.h"
#include "smp2p_test_common.h"
/* Interrupt callback data */
struct gpio_info {
int gpio_base_id;
int irq_base_id;
bool initialized;
struct completion cb_completion;
int cb_count;
DECLARE_BITMAP(triggered_irqs, SMP2P_BITS_PER_ENTRY);
};
/* GPIO Inbound/Outbound callback info */
struct gpio_inout {
struct gpio_info in;
struct gpio_info out;
};
static struct gpio_inout gpio_info[SMP2P_NUM_PROCS];
/**
* Init/reset the callback data.
*
* @info: Pointer to callback data
*/
static void cb_data_reset(struct gpio_info *info)
{
int n;
if (!info)
return;
if (!info->initialized) {
init_completion(&info->cb_completion);
info->initialized = true;
}
info->cb_count = 0;
for (n = 0; n < SMP2P_BITS_PER_ENTRY; ++n)
clear_bit(n, info->triggered_irqs);
INIT_COMPLETION(info->cb_completion);
}
static int __devinit smp2p_gpio_test_probe(struct platform_device *pdev)
{
int id;
int cnt;
struct device_node *node = pdev->dev.of_node;
struct gpio_info *gpio_info_ptr = NULL;
/*
* NOTE: This does a string-lookup of the GPIO pin name and doesn't
* actually directly link to the SMP2P GPIO driver since all
* GPIO/Interrupt access must be through standard
* Linux GPIO / Interrupt APIs.
*/
if (strcmp("qcom,smp2pgpio_test_smp2p_1_in", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_MODEM_PROC].in;
} else if (strcmp("qcom,smp2pgpio_test_smp2p_1_out", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_MODEM_PROC].out;
} else if (strcmp("qcom,smp2pgpio_test_smp2p_2_in", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_AUDIO_PROC].in;
} else if (strcmp("qcom,smp2pgpio_test_smp2p_2_out", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_AUDIO_PROC].out;
} else if (strcmp("qcom,smp2pgpio_test_smp2p_4_in", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_WIRELESS_PROC].in;
} else if (strcmp("qcom,smp2pgpio_test_smp2p_4_out", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_WIRELESS_PROC].out;
} else if (strcmp("qcom,smp2pgpio_test_smp2p_7_in", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_REMOTE_MOCK_PROC].in;
} else if (strcmp("qcom,smp2pgpio_test_smp2p_7_out", node->name) == 0) {
gpio_info_ptr = &gpio_info[SMP2P_REMOTE_MOCK_PROC].out;
} else {
pr_err("%s: unable to match device type '%s'\n",
__func__, node->name);
return -ENODEV;
}
/* retrieve the GPIO and interrupt ID's */
cnt = of_gpio_count(node);
if (cnt && gpio_info_ptr) {
/*
* Instead of looping through all 32-bits, we can just get the
* first pin to get the base IDs. This saves on the verbosity
* of the device tree nodes as well.
*/
id = of_get_gpio(node, 0);
gpio_info_ptr->gpio_base_id = id;
gpio_info_ptr->irq_base_id = gpio_to_irq(id);
}
return 0;
}
/*
* NOTE: Instead of match table and device driver, you may be able to just
* call of_find_compatible_node() in your init function.
*/
static struct of_device_id msm_smp2p_match_table[] __devinitdata = {
/* modem */
{.compatible = "qcom,smp2pgpio_test_smp2p_1_out", },
{.compatible = "qcom,smp2pgpio_test_smp2p_1_in", },
/* audio (adsp) */
{.compatible = "qcom,smp2pgpio_test_smp2p_2_out", },
{.compatible = "qcom,smp2pgpio_test_smp2p_2_in", },
/* wcnss */
{.compatible = "qcom,smp2pgpio_test_smp2p_4_out", },
{.compatible = "qcom,smp2pgpio_test_smp2p_4_in", },
/* mock loopback */
{.compatible = "qcom,smp2pgpio_test_smp2p_7_out", },
{.compatible = "qcom,smp2pgpio_test_smp2p_7_in", },
{},
};
static struct platform_driver smp2p_gpio_driver = {
.probe = smp2p_gpio_test_probe,
.driver = {
.name = "smp2pgpio_test",
.owner = THIS_MODULE,
.of_match_table = msm_smp2p_match_table,
},
};
/**
* smp2p_ut_local_gpio_out - Verify outbound functionality.
*
* @s: pointer to output file
*/
static void smp2p_ut_local_gpio_out(struct seq_file *s)
{
int failed = 0;
struct gpio_info *cb_info = &gpio_info[SMP2P_REMOTE_MOCK_PROC].out;
int ret;
int id;
struct msm_smp2p_remote_mock *mock;
seq_printf(s, "Running %s\n", __func__);
do {
/* initialize mock edge */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
mock = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(mock, !=, NULL);
mock->rx_interrupt_count = 0;
memset(&mock->remote_item, 0,
sizeof(struct smp2p_smem_item));
smp2p_init_header((struct smp2p_smem *)&mock->remote_item,
SMP2P_REMOTE_MOCK_PROC, SMP2P_APPS_PROC,
0, 1);
strlcpy(mock->remote_item.entries[0].name, "smp2p",
SMP2P_MAX_ENTRY_NAME);
SMP2P_SET_ENT_VALID(
mock->remote_item.header.valid_total_ent, 1);
msm_smp2p_set_remote_mock_exists(true);
mock->tx_interrupt();
/* open GPIO entry */
smp2p_gpio_open_test_entry("smp2p",
SMP2P_REMOTE_MOCK_PROC, true);
/* verify set/get functions */
UT_ASSERT_INT(0, <, cb_info->gpio_base_id);
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
int pin = cb_info->gpio_base_id + id;
mock->rx_interrupt_count = 0;
gpio_set_value(pin, 1);
UT_ASSERT_INT(1, ==, mock->rx_interrupt_count);
UT_ASSERT_INT(1, ==, gpio_get_value(pin));
gpio_set_value(pin, 0);
UT_ASSERT_INT(2, ==, mock->rx_interrupt_count);
UT_ASSERT_INT(0, ==, gpio_get_value(pin));
}
if (failed)
break;
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
}
smp2p_gpio_open_test_entry("smp2p",
SMP2P_REMOTE_MOCK_PROC, false);
}
/**
* smp2p_gpio_irq - Interrupt handler for inbound entries.
*
* @irq: Virtual IRQ being triggered
* @data: Cookie data (struct gpio_info * in this case)
* @returns: Number of bytes written
*/
static irqreturn_t smp2p_gpio_irq(int irq, void *data)
{
struct gpio_info *gpio_ptr = (struct gpio_info *)data;
int offset;
if (!gpio_ptr) {
pr_err("%s: gpio_ptr is NULL for irq %d\n", __func__, irq);
return IRQ_HANDLED;
}
offset = irq - gpio_ptr->irq_base_id;
if (offset >= 0 && offset < SMP2P_BITS_PER_ENTRY)
set_bit(offset, gpio_ptr->triggered_irqs);
else
pr_err("%s: invalid irq offset base %d; irq %d\n",
__func__, gpio_ptr->irq_base_id, irq);
++gpio_ptr->cb_count;
complete(&gpio_ptr->cb_completion);
return IRQ_HANDLED;
}
/**
* smp2p_ut_local_gpio_in - Verify inbound functionality.
*
* @s: pointer to output file
*/
static void smp2p_ut_local_gpio_in(struct seq_file *s)
{
int failed = 0;
struct gpio_info *cb_info = &gpio_info[SMP2P_REMOTE_MOCK_PROC].in;
int id;
int ret;
int virq;
struct msm_smp2p_remote_mock *mock;
seq_printf(s, "Running %s\n", __func__);
cb_data_reset(cb_info);
do {
/* initialize mock edge */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
mock = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(mock, !=, NULL);
mock->rx_interrupt_count = 0;
memset(&mock->remote_item, 0,
sizeof(struct smp2p_smem_item));
smp2p_init_header((struct smp2p_smem *)&mock->remote_item,
SMP2P_REMOTE_MOCK_PROC, SMP2P_APPS_PROC,
0, 1);
strlcpy(mock->remote_item.entries[0].name, "smp2p",
SMP2P_MAX_ENTRY_NAME);
SMP2P_SET_ENT_VALID(
mock->remote_item.header.valid_total_ent, 1);
msm_smp2p_set_remote_mock_exists(true);
mock->tx_interrupt();
smp2p_gpio_open_test_entry("smp2p",
SMP2P_REMOTE_MOCK_PROC, true);
/* verify set/get functions locally */
UT_ASSERT_INT(0, <, cb_info->gpio_base_id);
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
int pin;
int current_value;
/* verify pin value cannot be set */
pin = cb_info->gpio_base_id + id;
current_value = gpio_get_value(pin);
gpio_set_value(pin, 0);
UT_ASSERT_INT(current_value, ==, gpio_get_value(pin));
gpio_set_value(pin, 1);
UT_ASSERT_INT(current_value, ==, gpio_get_value(pin));
/* verify no interrupts */
UT_ASSERT_INT(0, ==, cb_info->cb_count);
}
if (failed)
break;
/* register for interrupts */
UT_ASSERT_INT(0, <, cb_info->irq_base_id);
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
virq = cb_info->irq_base_id + id;
UT_ASSERT_INT(0, >, (unsigned int)irq_to_desc(virq));
ret = request_irq(virq,
smp2p_gpio_irq, IRQF_TRIGGER_RISING,
"smp2p_test", cb_info);
UT_ASSERT_INT(0, ==, ret);
}
if (failed)
break;
/* verify both rising and falling edge interrupts */
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
virq = cb_info->irq_base_id + id;
irq_set_irq_type(virq, IRQ_TYPE_EDGE_BOTH);
cb_data_reset(cb_info);
/* verify rising-edge interrupt */
mock->remote_item.entries[0].entry = 1 << id;
mock->tx_interrupt();
UT_ASSERT_INT(cb_info->cb_count, ==, 1);
UT_ASSERT_INT(0, <,
test_bit(id, cb_info->triggered_irqs));
test_bit(id, cb_info->triggered_irqs);
/* verify falling-edge interrupt */
mock->remote_item.entries[0].entry = 0;
mock->tx_interrupt();
UT_ASSERT_INT(cb_info->cb_count, ==, 2);
UT_ASSERT_INT(0, <,
test_bit(id, cb_info->triggered_irqs));
}
if (failed)
break;
/* verify rising-edge interrupts */
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
virq = cb_info->irq_base_id + id;
irq_set_irq_type(virq, IRQ_TYPE_EDGE_RISING);
cb_data_reset(cb_info);
/* verify only rising-edge interrupt is triggered */
mock->remote_item.entries[0].entry = 1 << id;
mock->tx_interrupt();
UT_ASSERT_INT(cb_info->cb_count, ==, 1);
UT_ASSERT_INT(0, <,
test_bit(id, cb_info->triggered_irqs));
test_bit(id, cb_info->triggered_irqs);
mock->remote_item.entries[0].entry = 0;
mock->tx_interrupt();
UT_ASSERT_INT(cb_info->cb_count, ==, 1);
UT_ASSERT_INT(0, <,
test_bit(id, cb_info->triggered_irqs));
}
if (failed)
break;
/* verify falling-edge interrupts */
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
virq = cb_info->irq_base_id + id;
irq_set_irq_type(virq, IRQ_TYPE_EDGE_FALLING);
cb_data_reset(cb_info);
/* verify only rising-edge interrupt is triggered */
mock->remote_item.entries[0].entry = 1 << id;
mock->tx_interrupt();
UT_ASSERT_INT(cb_info->cb_count, ==, 0);
UT_ASSERT_INT(0, ==,
test_bit(id, cb_info->triggered_irqs));
mock->remote_item.entries[0].entry = 0;
mock->tx_interrupt();
UT_ASSERT_INT(cb_info->cb_count, ==, 1);
UT_ASSERT_INT(0, <,
test_bit(id, cb_info->triggered_irqs));
}
if (failed)
break;
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
}
/* unregister for interrupts */
if (cb_info->irq_base_id) {
for (id = 0; id < SMP2P_BITS_PER_ENTRY; ++id)
free_irq(cb_info->irq_base_id + id, cb_info);
}
smp2p_gpio_open_test_entry("smp2p",
SMP2P_REMOTE_MOCK_PROC, false);
}
/**
* smp2p_ut_local_gpio_in_update_open - Verify combined open/update.
*
* @s: pointer to output file
*
* If the remote side updates the SMP2P bits and sends before negotiation is
* complete, then the UPDATE event will have to be delayed until negotiation is
* complete. This should result in both the OPEN and UPDATE events coming in
* right after each other and the behavior should be transparent to the clients
* of SMP2P GPIO.
*/
static void smp2p_ut_local_gpio_in_update_open(struct seq_file *s)
{
int failed = 0;
struct gpio_info *cb_info = &gpio_info[SMP2P_REMOTE_MOCK_PROC].in;
int id;
int ret;
int virq;
struct msm_smp2p_remote_mock *mock;
seq_printf(s, "Running %s\n", __func__);
cb_data_reset(cb_info);
do {
/* initialize mock edge */
ret = smp2p_reset_mock_edge();
UT_ASSERT_INT(ret, ==, 0);
mock = msm_smp2p_get_remote_mock();
UT_ASSERT_PTR(mock, !=, NULL);
mock->rx_interrupt_count = 0;
memset(&mock->remote_item, 0,
sizeof(struct smp2p_smem_item));
smp2p_init_header((struct smp2p_smem *)&mock->remote_item,
SMP2P_REMOTE_MOCK_PROC, SMP2P_APPS_PROC,
0, 1);
strlcpy(mock->remote_item.entries[0].name, "smp2p",
SMP2P_MAX_ENTRY_NAME);
SMP2P_SET_ENT_VALID(
mock->remote_item.header.valid_total_ent, 1);
/* register for interrupts */
smp2p_gpio_open_test_entry("smp2p",
SMP2P_REMOTE_MOCK_PROC, true);
UT_ASSERT_INT(0, <, cb_info->irq_base_id);
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
virq = cb_info->irq_base_id + id;
UT_ASSERT_INT(0, >, (unsigned int)irq_to_desc(virq));
ret = request_irq(virq,
smp2p_gpio_irq, IRQ_TYPE_EDGE_BOTH,
"smp2p_test", cb_info);
UT_ASSERT_INT(0, ==, ret);
}
if (failed)
break;
/* update the state value and complete negotiation */
mock->remote_item.entries[0].entry = 0xDEADDEAD;
msm_smp2p_set_remote_mock_exists(true);
mock->tx_interrupt();
/* verify delayed state updates were processed */
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
virq = cb_info->irq_base_id + id;
UT_ASSERT_INT(cb_info->cb_count, >, 0);
if (0x1 & (0xDEADDEAD >> id)) {
/* rising edge should have been triggered */
if (!test_bit(id, cb_info->triggered_irqs)) {
seq_printf(s,
"%s:%d bit %d clear, expected set\n",
__func__, __LINE__, id);
failed = 1;
break;
}
} else {
/* edge should not have been triggered */
if (test_bit(id, cb_info->triggered_irqs)) {
seq_printf(s,
"%s:%d bit %d set, expected clear\n",
__func__, __LINE__, id);
failed = 1;
break;
}
}
}
if (failed)
break;
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", __func__);
seq_printf(s, "\tFailed\n");
}
/* unregister for interrupts */
if (cb_info->irq_base_id) {
for (id = 0; id < SMP2P_BITS_PER_ENTRY; ++id)
free_irq(cb_info->irq_base_id + id, cb_info);
}
smp2p_gpio_open_test_entry("smp2p",
SMP2P_REMOTE_MOCK_PROC, false);
}
/**
* smp2p_gpio_write_bits - writes value to each GPIO pin specified in mask.
*
* @gpio: gpio test structure
* @mask: 1 = write gpio_value to this GPIO pin
* @gpio_value: value to write to GPIO pin
*/
static void smp2p_gpio_write_bits(struct gpio_info *gpio, uint32_t mask,
int gpio_value)
{
int n;
for (n = 0; n < SMP2P_BITS_PER_ENTRY; ++n) {
if (mask & 0x1)
gpio_set_value(gpio->gpio_base_id + n, gpio_value);
mask >>= 1;
}
}
static void smp2p_gpio_set_bits(struct gpio_info *gpio, uint32_t mask)
{
smp2p_gpio_write_bits(gpio, mask, 1);
}
static void smp2p_gpio_clr_bits(struct gpio_info *gpio, uint32_t mask)
{
smp2p_gpio_write_bits(gpio, mask, 0);
}
/**
* smp2p_gpio_get_value - reads entire 32-bits of GPIO
*
* @gpio: gpio structure
* @returns: 32 bit value of GPIO pins
*/
static uint32_t smp2p_gpio_get_value(struct gpio_info *gpio)
{
int n;
uint32_t value = 0;
for (n = 0; n < SMP2P_BITS_PER_ENTRY; ++n) {
if (gpio_get_value(gpio->gpio_base_id + n))
value |= 1 << n;
}
return value;
}
/**
* smp2p_ut_remote_inout_core - Verify inbound/outbound functionality.
*
* @s: pointer to output file
* @remote_pid: Remote processor to test
* @name: Name of the test for reporting
*
* This test verifies inbound/outbound functionality for the remote processor.
*/
static void smp2p_ut_remote_inout_core(struct seq_file *s, int remote_pid,
const char *name)
{
int failed = 0;
uint32_t request;
uint32_t response;
struct gpio_info *cb_in;
struct gpio_info *cb_out;
int id;
int ret;
seq_printf(s, "Running %s for '%s' remote pid %d\n",
__func__, smp2p_pid_to_name(remote_pid), remote_pid);
cb_in = &gpio_info[remote_pid].in;
cb_out = &gpio_info[remote_pid].out;
cb_data_reset(cb_in);
cb_data_reset(cb_out);
do {
/* open test entries */
msm_smp2p_deinit_rmt_lpb_proc(remote_pid);
smp2p_gpio_open_test_entry("smp2p", remote_pid, true);
/* register for interrupts */
UT_ASSERT_INT(0, <, cb_in->gpio_base_id);
UT_ASSERT_INT(0, <, cb_in->irq_base_id);
for (id = 0; id < SMP2P_BITS_PER_ENTRY && !failed; ++id) {
int virq = cb_in->irq_base_id + id;
UT_ASSERT_INT(0, >, (unsigned int)irq_to_desc(virq));
ret = request_irq(virq,
smp2p_gpio_irq,
IRQF_TRIGGER_RISING | IRQF_TRIGGER_FALLING,
"smp2p_test", cb_in);
UT_ASSERT_INT(0, ==, ret);
}
if (failed)
break;
/* write echo of data value 0 */
UT_ASSERT_INT(0, <, cb_out->gpio_base_id);
request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(request, 1);
SMP2P_SET_RMT_CMD(request, SMP2P_LB_CMD_ECHO);
SMP2P_SET_RMT_DATA(request, 0x0);
smp2p_gpio_set_bits(cb_out, SMP2P_RMT_IGNORE_MASK);
smp2p_gpio_clr_bits(cb_out, ~SMP2P_RMT_IGNORE_MASK);
smp2p_gpio_set_bits(cb_out, request);
UT_ASSERT_INT(cb_in->cb_count, ==, 0);
smp2p_gpio_clr_bits(cb_out, SMP2P_RMT_IGNORE_MASK);
/* verify response */
do {
/* wait for up to 32 changes */
if (wait_for_completion_timeout(
&cb_in->cb_completion, HZ / 2) == 0)
break;
INIT_COMPLETION(cb_in->cb_completion);
} while (cb_in->cb_count < 32);
UT_ASSERT_INT(cb_in->cb_count, >, 0);
response = smp2p_gpio_get_value(cb_in);
SMP2P_SET_RMT_CMD_TYPE(request, 0);
UT_ASSERT_HEX(request, ==, response);
/* write echo of data value of all 1's */
request = 0x0;
SMP2P_SET_RMT_CMD_TYPE(request, 1);
SMP2P_SET_RMT_CMD(request, SMP2P_LB_CMD_ECHO);
SMP2P_SET_RMT_DATA(request, ~0);
smp2p_gpio_set_bits(cb_out, SMP2P_RMT_IGNORE_MASK);
cb_data_reset(cb_in);
smp2p_gpio_clr_bits(cb_out, ~SMP2P_RMT_IGNORE_MASK);
smp2p_gpio_set_bits(cb_out, request);
UT_ASSERT_INT(cb_in->cb_count, ==, 0);
smp2p_gpio_clr_bits(cb_out, SMP2P_RMT_IGNORE_MASK);
/* verify response including 24 interrupts */
do {
UT_ASSERT_INT(
(int)wait_for_completion_timeout(
&cb_in->cb_completion, HZ / 2),
>, 0);
INIT_COMPLETION(cb_in->cb_completion);
} while (cb_in->cb_count < 24);
response = smp2p_gpio_get_value(cb_in);
SMP2P_SET_RMT_CMD_TYPE(request, 0);
UT_ASSERT_HEX(request, ==, response);
UT_ASSERT_INT(24, ==, cb_in->cb_count);
seq_printf(s, "\tOK\n");
} while (0);
if (failed) {
pr_err("%s: Failed\n", name);
seq_printf(s, "\tFailed\n");
}
/* unregister for interrupts */
if (cb_in->irq_base_id) {
for (id = 0; id < SMP2P_BITS_PER_ENTRY; ++id)
free_irq(cb_in->irq_base_id + id, cb_in);
}
smp2p_gpio_open_test_entry("smp2p", remote_pid, false);
msm_smp2p_init_rmt_lpb_proc(remote_pid);
}
/**
* smp2p_ut_remote_inout - Verify inbound/outbound functionality for all.
*
* @s: pointer to output file
*
* This test verifies inbound and outbound functionality for all
* configured remote processor.
*/
static void smp2p_ut_remote_inout(struct seq_file *s)
{
struct smp2p_interrupt_config *int_cfg;
int pid;
int_cfg = smp2p_get_interrupt_config();
if (!int_cfg) {
seq_printf(s, "Remote processor config unavailable\n");
return;
}
for (pid = 0; pid < SMP2P_NUM_PROCS; ++pid) {
if (!int_cfg[pid].is_configured)
continue;
smp2p_ut_remote_inout_core(s, pid, __func__);
}
}
static int __init smp2p_debugfs_init(void)
{
/* register GPIO pins */
(void)platform_driver_register(&smp2p_gpio_driver);
/*
* Add Unit Test entries.
*
* The idea with unit tests is that you can run all of them
* from ADB shell by doing:
* adb shell
* cat ut*
*
* And if particular tests fail, you can then repeatedly run the
* failing tests as you debug and resolve the failing test.
*/
smp2p_debug_create("ut_local_gpio_out", smp2p_ut_local_gpio_out);
smp2p_debug_create("ut_local_gpio_in", smp2p_ut_local_gpio_in);
smp2p_debug_create("ut_local_gpio_in_update_open",
smp2p_ut_local_gpio_in_update_open);
smp2p_debug_create("ut_remote_gpio_inout", smp2p_ut_remote_inout);
return 0;
}
late_initcall(smp2p_debugfs_init);