diff options
Diffstat (limited to 'drivers/of/unittest.c')
| -rw-r--r-- | drivers/of/unittest.c | 171 |
1 files changed, 156 insertions, 15 deletions
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c index b5a7a31d8bd2..2191c0136531 100644 --- a/drivers/of/unittest.c +++ b/drivers/of/unittest.c @@ -1008,6 +1008,153 @@ static void __init of_unittest_pci_dma_ranges(void) of_node_put(np); } +static void __init of_unittest_bus_ranges(void) +{ + struct device_node *np; + struct of_range range; + struct of_range_parser parser; + struct resource res; + int ret, count, i = 0; + + np = of_find_node_by_path("/testcase-data/address-tests"); + if (!np) { + pr_err("missing testcase data\n"); + return; + } + + if (of_range_parser_init(&parser, np)) { + pr_err("missing ranges property\n"); + return; + } + + ret = of_range_to_resource(np, 1, &res); + unittest(!ret, "of_range_to_resource returned error (%d) node %pOF\n", + ret, np); + unittest(resource_type(&res) == IORESOURCE_MEM, + "of_range_to_resource wrong resource type on node %pOF res=%pR\n", + np, &res); + unittest(res.start == 0xd0000000, + "of_range_to_resource wrong resource start address on node %pOF res=%pR\n", + np, &res); + unittest(resource_size(&res) == 0x20000000, + "of_range_to_resource wrong resource start address on node %pOF res=%pR\n", + np, &res); + + count = of_range_count(&parser); + unittest(count == 2, + "of_range_count wrong size on node %pOF count=%d\n", + np, count); + + /* + * Get the "ranges" from the device tree + */ + for_each_of_range(&parser, &range) { + unittest(range.flags == IORESOURCE_MEM, + "for_each_of_range wrong flags on node %pOF flags=%x (expected %x)\n", + np, range.flags, IORESOURCE_MEM); + if (!i) { + unittest(range.size == 0x50000000, + "for_each_of_range wrong size on node %pOF size=%llx\n", + np, range.size); + unittest(range.cpu_addr == 0x70000000, + "for_each_of_range wrong CPU addr (%llx) on node %pOF", + range.cpu_addr, np); + unittest(range.bus_addr == 0x70000000, + "for_each_of_range wrong bus addr (%llx) on node %pOF", + range.pci_addr, np); + } else { + unittest(range.size == 0x20000000, + "for_each_of_range wrong size on node %pOF size=%llx\n", + np, range.size); + unittest(range.cpu_addr == 0xd0000000, + "for_each_of_range wrong CPU addr (%llx) on node %pOF", + range.cpu_addr, np); + unittest(range.bus_addr == 0x00000000, + "for_each_of_range wrong bus addr (%llx) on node %pOF", + range.pci_addr, np); + } + i++; + } + + of_node_put(np); +} + +static void __init of_unittest_bus_3cell_ranges(void) +{ + struct device_node *np; + struct of_range range; + struct of_range_parser parser; + int i = 0; + + np = of_find_node_by_path("/testcase-data/address-tests/bus@a0000000"); + if (!np) { + pr_err("missing testcase data\n"); + return; + } + + if (of_range_parser_init(&parser, np)) { + pr_err("missing ranges property\n"); + return; + } + + /* + * Get the "ranges" from the device tree + */ + for_each_of_range(&parser, &range) { + if (!i) { + unittest(range.flags == 0xf00baa, + "for_each_of_range wrong flags on node %pOF flags=%x\n", + np, range.flags); + unittest(range.size == 0x100000, + "for_each_of_range wrong size on node %pOF size=%llx\n", + np, range.size); + unittest(range.cpu_addr == 0xa0000000, + "for_each_of_range wrong CPU addr (%llx) on node %pOF", + range.cpu_addr, np); + unittest(range.bus_addr == 0x0, + "for_each_of_range wrong bus addr (%llx) on node %pOF", + range.pci_addr, np); + } else { + unittest(range.flags == 0xf00bee, + "for_each_of_range wrong flags on node %pOF flags=%x\n", + np, range.flags); + unittest(range.size == 0x200000, + "for_each_of_range wrong size on node %pOF size=%llx\n", + np, range.size); + unittest(range.cpu_addr == 0xb0000000, + "for_each_of_range wrong CPU addr (%llx) on node %pOF", + range.cpu_addr, np); + unittest(range.bus_addr == 0x100000000, + "for_each_of_range wrong bus addr (%llx) on node %pOF", + range.pci_addr, np); + } + i++; + } + + of_node_put(np); +} + +static void __init of_unittest_reg(void) +{ + struct device_node *np; + int ret; + u64 addr, size; + + np = of_find_node_by_path("/testcase-data/address-tests/bus@80000000/device@1000"); + if (!np) { + pr_err("missing testcase data\n"); + return; + } + + ret = of_property_read_reg(np, 0, &addr, &size); + unittest(!ret, "of_property_read_reg(%pOF) returned error %d\n", + np, ret); + unittest(addr == 0x1000, "of_property_read_reg(%pOF) untranslated address (%llx) incorrect\n", + np, addr); + + of_node_put(np); +} + static void __init of_unittest_parse_interrupts(void) { struct device_node *np; @@ -1529,13 +1676,12 @@ static int unittest_probe(struct platform_device *pdev) return 0; } -static int unittest_remove(struct platform_device *pdev) +static void unittest_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; dev_dbg(dev, "%s for node @%pOF\n", __func__, np); - return 0; } static const struct of_device_id unittest_match[] = { @@ -1545,7 +1691,7 @@ static const struct of_device_id unittest_match[] = { static struct platform_driver unittest_driver = { .probe = unittest_probe, - .remove = unittest_remove, + .remove_new = unittest_remove, .driver = { .name = "unittest", .of_match_table = of_match_ptr(unittest_match), @@ -1626,23 +1772,17 @@ static int unittest_gpio_probe(struct platform_device *pdev) return ret; } -static int unittest_gpio_remove(struct platform_device *pdev) +static void unittest_gpio_remove(struct platform_device *pdev) { struct unittest_gpio_dev *devptr = platform_get_drvdata(pdev); struct device *dev = &pdev->dev; dev_dbg(dev, "%s for node @%pfw\n", __func__, devptr->chip.fwnode); - if (!devptr) - return -EINVAL; - if (devptr->chip.base != -1) gpiochip_remove(&devptr->chip); - platform_set_drvdata(pdev, NULL); kfree(devptr); - - return 0; } static const struct of_device_id unittest_gpio_id[] = { @@ -1652,7 +1792,7 @@ static const struct of_device_id unittest_gpio_id[] = { static struct platform_driver unittest_gpio_driver = { .probe = unittest_gpio_probe, - .remove = unittest_gpio_remove, + .remove_new = unittest_gpio_remove, .driver = { .name = "unittest-gpio", .of_match_table = of_match_ptr(unittest_gpio_id), @@ -2490,7 +2630,7 @@ static int unittest_i2c_bus_probe(struct platform_device *pdev) return 0; } -static int unittest_i2c_bus_remove(struct platform_device *pdev) +static void unittest_i2c_bus_remove(struct platform_device *pdev) { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; @@ -2498,8 +2638,6 @@ static int unittest_i2c_bus_remove(struct platform_device *pdev) dev_dbg(dev, "%s for node @%pOF\n", __func__, np); i2c_del_adapter(&std->adap); - - return 0; } static const struct of_device_id unittest_i2c_bus_match[] = { @@ -2509,7 +2647,7 @@ static const struct of_device_id unittest_i2c_bus_match[] = { static struct platform_driver unittest_i2c_bus_driver = { .probe = unittest_i2c_bus_probe, - .remove = unittest_i2c_bus_remove, + .remove_new = unittest_i2c_bus_remove, .driver = { .name = "unittest-i2c-bus", .of_match_table = of_match_ptr(unittest_i2c_bus_match), @@ -3644,6 +3782,9 @@ static int __init of_unittest(void) of_unittest_dma_get_max_cpu_address(); of_unittest_parse_dma_ranges(); of_unittest_pci_dma_ranges(); + of_unittest_bus_ranges(); + of_unittest_bus_3cell_ranges(); + of_unittest_reg(); of_unittest_match_node(); of_unittest_platform_populate(); of_unittest_overlay(); |