The modern way to describe an reserved memory region is to place an entry in the reserved-memory nodes. Using the of_fixup_reserved_memory this is simply done.
Signed-off-by: Michael Grzeschik <[email protected]> --- drivers/video/simplefb-fixup.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/drivers/video/simplefb-fixup.c b/drivers/video/simplefb-fixup.c index 9b39e1ef46d84eed61242119251d340b44d59a6e..e20f2922445bddcb13a049b2581c4c632289d6ee 100644 --- a/drivers/video/simplefb-fixup.c +++ b/drivers/video/simplefb-fixup.c @@ -13,6 +13,7 @@ #include <fb.h> #include <fcntl.h> #include <fs.h> +#include <of.h> #include <init.h> #include <xfuncs.h> @@ -93,6 +94,7 @@ static int simplefb_create_node(struct device_node *root, phys_addr_t screen_base; __be32 cells[4]; int addr_cells = 2, size_cells = 1, ret; + struct resource res = { }; of_property_read_u32(root, "#address-cells", &addr_cells); of_property_read_u32(root, "#size-cells", &size_cells); @@ -121,6 +123,12 @@ static int simplefb_create_node(struct device_node *root, if (ret < 0) return ret; + res.name = "simple-framebuffer"; + res.flags |= IORESOURCE_BUSY; + resource_set_range(&res, screen_base, fbi->screen_size); + + of_fixup_reserved_memory(root, &res); + cells[0] = cpu_to_be32(fbi->xres); ret = of_set_property(node, "width", cells, sizeof(cells[0]), 1); if (ret < 0) @@ -140,8 +148,6 @@ static int simplefb_create_node(struct device_node *root, if (ret < 0) return ret; - of_add_reserve_entry(screen_base, screen_base + fbi->screen_size); - return of_property_write_string(node, "status", "okay"); } -- 2.47.3
