diff options
Diffstat (limited to 'recipes/linux/linux-omap-pm/dss2/0051-DSS2-VRAM-use-debugfs-not-procfs.patch')
| -rw-r--r-- | recipes/linux/linux-omap-pm/dss2/0051-DSS2-VRAM-use-debugfs-not-procfs.patch | 170 |
1 files changed, 0 insertions, 170 deletions
diff --git a/recipes/linux/linux-omap-pm/dss2/0051-DSS2-VRAM-use-debugfs-not-procfs.patch b/recipes/linux/linux-omap-pm/dss2/0051-DSS2-VRAM-use-debugfs-not-procfs.patch deleted file mode 100644 index 739d3cd1a6..0000000000 --- a/recipes/linux/linux-omap-pm/dss2/0051-DSS2-VRAM-use-debugfs-not-procfs.patch +++ /dev/null @@ -1,170 +0,0 @@ -From b47aef28536f3c276d232c41cd3084c69389dca4 Mon Sep 17 00:00:00 2001 -From: Tomi Valkeinen <tomi.valkeinen@nokia.com> -Date: Wed, 22 Apr 2009 14:11:52 +0300 -Subject: [PATCH 51/69] DSS2: VRAM: use debugfs, not procfs - ---- - arch/arm/plat-omap/vram.c | 103 +++++++++++++++------------------------------ - 1 files changed, 34 insertions(+), 69 deletions(-) - -diff --git a/arch/arm/plat-omap/vram.c b/arch/arm/plat-omap/vram.c -index 90276ac..e847579 100644 ---- a/arch/arm/plat-omap/vram.c -+++ b/arch/arm/plat-omap/vram.c -@@ -27,11 +27,11 @@ - #include <linux/mm.h> - #include <linux/list.h> - #include <linux/dma-mapping.h> --#include <linux/proc_fs.h> - #include <linux/seq_file.h> - #include <linux/bootmem.h> - #include <linux/omapfb.h> - #include <linux/completion.h> -+#include <linux/debugfs.h> - - #include <asm/setup.h> - -@@ -398,88 +398,54 @@ int omap_vram_alloc(int mtype, size_t size, unsigned long *paddr) - } - EXPORT_SYMBOL(omap_vram_alloc); - --#ifdef CONFIG_PROC_FS --static void *r_next(struct seq_file *m, void *v, loff_t *pos) --{ -- struct list_head *l = v; -- -- (*pos)++; -- -- if (list_is_last(l, ®ion_list)) -- return NULL; -- -- return l->next; --} -- --static void *r_start(struct seq_file *m, loff_t *pos) --{ -- loff_t p = *pos; -- struct list_head *l = ®ion_list; -- -- mutex_lock(®ion_mutex); -- -- do { -- l = l->next; -- if (l == ®ion_list) -- return NULL; -- } while (p--); -- -- return l; --} -- --static void r_stop(struct seq_file *m, void *v) --{ -- mutex_unlock(®ion_mutex); --} -- --static int r_show(struct seq_file *m, void *v) -+#if defined(CONFIG_DEBUG_FS) -+static int vram_debug_show(struct seq_file *s, void *unused) - { - struct vram_region *vr; - struct vram_alloc *va; - unsigned size; - -- vr = list_entry(v, struct vram_region, list); -- -- size = vr->pages << PAGE_SHIFT; -- -- seq_printf(m, "%08lx-%08lx (%d bytes)\n", -- vr->paddr, vr->paddr + size - 1, -- size); -+ mutex_lock(®ion_mutex); - -- list_for_each_entry(va, &vr->alloc_list, list) { -- size = va->pages << PAGE_SHIFT; -- seq_printf(m, " %08lx-%08lx (%d bytes)\n", -- va->paddr, va->paddr + size - 1, -+ list_for_each_entry(vr, ®ion_list, list) { -+ size = vr->pages << PAGE_SHIFT; -+ seq_printf(s, "%08lx-%08lx (%d bytes)\n", -+ vr->paddr, vr->paddr + size - 1, - size); -- } - -+ list_for_each_entry(va, &vr->alloc_list, list) { -+ size = va->pages << PAGE_SHIFT; -+ seq_printf(s, " %08lx-%08lx (%d bytes)\n", -+ va->paddr, va->paddr + size - 1, -+ size); -+ } -+ } - -+ mutex_unlock(®ion_mutex); - - return 0; - } - --static const struct seq_operations resource_op = { -- .start = r_start, -- .next = r_next, -- .stop = r_stop, -- .show = r_show, --}; -- --static int vram_open(struct inode *inode, struct file *file) -+static int vram_debug_open(struct inode *inode, struct file *file) - { -- return seq_open(file, &resource_op); -+ return single_open(file, vram_debug_show, inode->i_private); - } - --static const struct file_operations proc_vram_operations = { -- .open = vram_open, -- .read = seq_read, -- .llseek = seq_lseek, -- .release = seq_release, -+static const struct file_operations vram_debug_fops = { -+ .open = vram_debug_open, -+ .read = seq_read, -+ .llseek = seq_lseek, -+ .release = single_release, - }; - --static int __init omap_vram_create_proc(void) -+static int __init omap_vram_create_debugfs(void) - { -- proc_create("omap-vram", 0, NULL, &proc_vram_operations); -+ struct dentry *d; -+ -+ d = debugfs_create_file("vram", S_IRUGO, NULL, -+ NULL, &vram_debug_fops); -+ if (IS_ERR(d)) -+ return PTR_ERR(d); - - return 0; - } -@@ -487,7 +453,7 @@ static int __init omap_vram_create_proc(void) - - static __init int omap_vram_init(void) - { -- int i, r; -+ int i; - - vram_initialized = 1; - -@@ -495,10 +461,9 @@ static __init int omap_vram_init(void) - omap_vram_add_region(postponed_regions[i].paddr, - postponed_regions[i].size); - --#ifdef CONFIG_PROC_FS -- r = omap_vram_create_proc(); -- if (r) -- return -ENOMEM; -+#ifdef CONFIG_DEBUG_FS -+ if (omap_vram_create_debugfs()) -+ pr_err("VRAM: Failed to create debugfs file\n"); - #endif - - return 0; --- -1.6.2.4 - |