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authorThomas Zimmermann <tzimmermann@suse.de>2023-07-24 15:44:47 +0200
committerThomas Zimmermann <tzimmermann@suse.de>2023-07-24 15:44:47 +0200
commit61b7369483efb5e0a9f3b48e75fac00d46d661e0 (patch)
tree6a97cc6f8857f0d26dcd48627aa6f31b9875b07e /drivers/of
parentc3f698d85ecaf66d42871865b38c976c128c297c (diff)
parent6c7f27441d6af776a89147027c6f4a11c0162c64 (diff)
downloadlinux-61b7369483efb5e0a9f3b48e75fac00d46d661e0.tar.gz
Merge drm/drm-next into drm-misc-next
Backmerging to get v6.5-rc2. Signed-off-by: Thomas Zimmermann <tzimmermann@suse.de>
Diffstat (limited to 'drivers/of')
-rw-r--r--drivers/of/of_reserved_mem.c60
-rw-r--r--drivers/of/platform.c7
-rw-r--r--drivers/of/unittest.c32
3 files changed, 63 insertions, 36 deletions
diff --git a/drivers/of/of_reserved_mem.c b/drivers/of/of_reserved_mem.c
index 948efa9f99e3b..7ec94cfcbddb1 100644
--- a/drivers/of/of_reserved_mem.c
+++ b/drivers/of/of_reserved_mem.c
@@ -78,6 +78,57 @@ void __init fdt_reserved_mem_save_node(unsigned long node, const char *uname,
}
/*
+ * __reserved_mem_alloc_in_range() - allocate reserved memory described with
+ * 'alloc-ranges'. Choose bottom-up/top-down depending on nearby existing
+ * reserved regions to keep the reserved memory contiguous if possible.
+ */
+static int __init __reserved_mem_alloc_in_range(phys_addr_t size,
+ phys_addr_t align, phys_addr_t start, phys_addr_t end, bool nomap,
+ phys_addr_t *res_base)
+{
+ bool prev_bottom_up = memblock_bottom_up();
+ bool bottom_up = false, top_down = false;
+ int ret, i;
+
+ for (i = 0; i < reserved_mem_count; i++) {
+ struct reserved_mem *rmem = &reserved_mem[i];
+
+ /* Skip regions that were not reserved yet */
+ if (rmem->size == 0)
+ continue;
+
+ /*
+ * If range starts next to an existing reservation, use bottom-up:
+ * |....RRRR................RRRRRRRR..............|
+ * --RRRR------
+ */
+ if (start >= rmem->base && start <= (rmem->base + rmem->size))
+ bottom_up = true;
+
+ /*
+ * If range ends next to an existing reservation, use top-down:
+ * |....RRRR................RRRRRRRR..............|
+ * -------RRRR-----
+ */
+ if (end >= rmem->base && end <= (rmem->base + rmem->size))
+ top_down = true;
+ }
+
+ /* Change setting only if either bottom-up or top-down was selected */
+ if (bottom_up != top_down)
+ memblock_set_bottom_up(bottom_up);
+
+ ret = early_init_dt_alloc_reserved_memory_arch(size, align,
+ start, end, nomap, res_base);
+
+ /* Restore old setting if needed */
+ if (bottom_up != top_down)
+ memblock_set_bottom_up(prev_bottom_up);
+
+ return ret;
+}
+
+/*
* __reserved_mem_alloc_size() - allocate reserved memory described by
* 'size', 'alignment' and 'alloc-ranges' properties.
*/
@@ -137,8 +188,8 @@ static int __init __reserved_mem_alloc_size(unsigned long node,
end = start + dt_mem_next_cell(dt_root_size_cells,
&prop);
- ret = early_init_dt_alloc_reserved_memory_arch(size,
- align, start, end, nomap, &base);
+ ret = __reserved_mem_alloc_in_range(size, align,
+ start, end, nomap, &base);
if (ret == 0) {
pr_debug("allocated memory for '%s' node: base %pa, size %lu MiB\n",
uname, &base,
@@ -217,6 +268,11 @@ static int __init __rmem_cmp(const void *a, const void *b)
if (ra->size > rb->size)
return 1;
+ if (ra->fdt_node < rb->fdt_node)
+ return -1;
+ if (ra->fdt_node > rb->fdt_node)
+ return 1;
+
return 0;
}
diff --git a/drivers/of/platform.c b/drivers/of/platform.c
index 78ae841874490..051e29b7ad2b8 100644
--- a/drivers/of/platform.c
+++ b/drivers/of/platform.c
@@ -140,8 +140,8 @@ struct platform_device *of_device_alloc(struct device_node *np,
}
}
- dev->dev.of_node = of_node_get(np);
- dev->dev.fwnode = &np->fwnode;
+ /* setup generic device info */
+ device_set_node(&dev->dev, of_fwnode_handle(np));
dev->dev.parent = parent ? : &platform_bus;
if (bus_id)
@@ -239,8 +239,7 @@ static struct amba_device *of_amba_device_create(struct device_node *node,
dev->dev.dma_mask = &dev->dev.coherent_dma_mask;
/* setup generic device info */
- dev->dev.of_node = of_node_get(node);
- dev->dev.fwnode = &node->fwnode;
+ device_set_node(&dev->dev, of_fwnode_handle(node));
dev->dev.parent = parent ? : &platform_bus;
dev->dev.platform_data = platform_data;
if (bus_id)
diff --git a/drivers/of/unittest.c b/drivers/of/unittest.c
index 2191c01365317..a406a12eb2080 100644
--- a/drivers/of/unittest.c
+++ b/drivers/of/unittest.c
@@ -1844,26 +1844,10 @@ static void __init of_unittest_overlay_gpio(void)
unittest(overlay_data_apply("overlay_gpio_02b", NULL),
"Adding overlay 'overlay_gpio_02b' failed\n");
- /*
- * messages are the result of the probes, after the
- * driver is registered
- */
-
- EXPECT_BEGIN(KERN_INFO,
- "gpio-<<int>> (line-B-input): hogged as input\n");
-
- EXPECT_BEGIN(KERN_INFO,
- "gpio-<<int>> (line-A-input): hogged as input\n");
-
ret = platform_driver_register(&unittest_gpio_driver);
if (unittest(ret == 0, "could not register unittest gpio driver\n"))
return;
- EXPECT_END(KERN_INFO,
- "gpio-<<int>> (line-A-input): hogged as input\n");
- EXPECT_END(KERN_INFO,
- "gpio-<<int>> (line-B-input): hogged as input\n");
-
unittest(probe_pass_count + 2 == unittest_gpio_probe_pass_count,
"unittest_gpio_probe() failed or not called\n");
@@ -1888,17 +1872,11 @@ static void __init of_unittest_overlay_gpio(void)
probe_pass_count = unittest_gpio_probe_pass_count;
chip_request_count = unittest_gpio_chip_request_count;
- EXPECT_BEGIN(KERN_INFO,
- "gpio-<<int>> (line-D-input): hogged as input\n");
-
/* overlay_gpio_03 contains gpio node and child gpio hog node */
unittest(overlay_data_apply("overlay_gpio_03", NULL),
"Adding overlay 'overlay_gpio_03' failed\n");
- EXPECT_END(KERN_INFO,
- "gpio-<<int>> (line-D-input): hogged as input\n");
-
unittest(probe_pass_count + 1 == unittest_gpio_probe_pass_count,
"unittest_gpio_probe() failed or not called\n");
@@ -1935,17 +1913,11 @@ static void __init of_unittest_overlay_gpio(void)
* - processing gpio for overlay_gpio_04b
*/
- EXPECT_BEGIN(KERN_INFO,
- "gpio-<<int>> (line-C-input): hogged as input\n");
-
/* overlay_gpio_04b contains child gpio hog node */
unittest(overlay_data_apply("overlay_gpio_04b", NULL),
"Adding overlay 'overlay_gpio_04b' failed\n");
- EXPECT_END(KERN_INFO,
- "gpio-<<int>> (line-C-input): hogged as input\n");
-
unittest(chip_request_count + 1 == unittest_gpio_chip_request_count,
"unittest_gpio_chip_request() called %d times (expected 1 time)\n",
unittest_gpio_chip_request_count - chip_request_count);
@@ -2686,7 +2658,7 @@ static struct i2c_driver unittest_i2c_dev_driver = {
.driver = {
.name = "unittest-i2c-dev",
},
- .probe_new = unittest_i2c_dev_probe,
+ .probe = unittest_i2c_dev_probe,
.remove = unittest_i2c_dev_remove,
.id_table = unittest_i2c_dev_id,
};
@@ -2763,7 +2735,7 @@ static struct i2c_driver unittest_i2c_mux_driver = {
.driver = {
.name = "unittest-i2c-mux",
},
- .probe_new = unittest_i2c_mux_probe,
+ .probe = unittest_i2c_mux_probe,
.remove = unittest_i2c_mux_remove,
.id_table = unittest_i2c_mux_id,
};