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qi-fix-slow-first-bulk.patch

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This patch performs the equivalent init actions to the SDHC slow
unitl first bulk patch in kernel, it allows us to work with large
SDHC cards which exceed Glamo timeout capability at 16MHz for first
access.

Signed-off-by: Andy Green <andy@openmoko.com>
This commit is contained in:
Andy Green
2008-11-28 10:16:38 +00:00
committed by Andy Green
parent b2995f8b39
commit 2e2480ff21
3 changed files with 52 additions and 13 deletions
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41
qiboot/src/fs/ext2.c
View File

@@ -453,9 +453,18 @@ static int ext2fs_iterate_dir(ext2fs_node_t dir, char *name, ext2fs_node_t * fno
if (!diro->inode_read) {
status = ext2fs_read_inode(diro->data, diro->ino,
&diro->inode);
if (status == 0)
if (status == 0) {
printdec(diro->ino);
puts("failed to read inode\n");
return(0);
}
} else {
puts("fail\n");
}
printdec(fpos);
puts(" ");
printdec(diro->inode.size);
puts("\n");
/* Search the file. */
while (fpos < __le32_to_cpu(diro->inode.size)) {
struct ext2_dirent dirent;
@@ -463,8 +472,10 @@ static int ext2fs_iterate_dir(ext2fs_node_t dir, char *name, ext2fs_node_t * fno
status = ext2fs_read_file(diro, fpos,
sizeof(struct ext2_dirent),
(char *) &dirent);
if (status < 1)
if (status < 1) {
puts("ext2fs_read_file ret < 1\n");
return 0;
}
if (dirent.namelen != 0) {
char filename[256];
@@ -474,12 +485,16 @@ static int ext2fs_iterate_dir(ext2fs_node_t dir, char *name, ext2fs_node_t * fno
status = ext2fs_read_file(diro,
fpos + sizeof(struct ext2_dirent),
dirent.namelen, filename);
if (status < 1)
if (status < 1) {
puts("ext2fs_read_file fail 2\n");
return(0);
}
fdiro = malloc(sizeof(struct ext2fs_node));
if (!fdiro)
if (!fdiro) {
puts("malloc fail\n");
return(0);
}
fdiro->data = diro->data;
@@ -505,6 +520,7 @@ static int ext2fs_iterate_dir(ext2fs_node_t dir, char *name, ext2fs_node_t * fno
__le32_to_cpu(dirent.inode),
&fdiro->inode);
if (status == 0) {
puts("inner ext2fs_read_inode fail\n");
free(fdiro);
return(0);
}
@@ -540,6 +556,7 @@ static int ext2fs_iterate_dir(ext2fs_node_t dir, char *name, ext2fs_node_t * fno
__le32_to_cpu(dirent.inode),
&fdiro->inode);
if (status == 0) {
puts("ext2fs_read_inode 3 fail\n");
free(fdiro);
return(0);
}
@@ -720,7 +737,7 @@ int ext2fs_find_file
symlinknest = 0;
if (!path)
return(0);
return 0;
status = ext2fs_find_file1(path, rootnode, foundnode, &foundtype);
if (status == 0)
@@ -760,29 +777,35 @@ int ext2fs_open(const char *filename) {
ext2fs_node_t fdiro = NULL;
int status;
int len;
int ret = -1;
if (ext2fs_root == NULL)
return -1;
goto fail;
ext2fs_file = NULL;
status = ext2fs_find_file(filename, &ext2fs_root->diropen, &fdiro,
FILETYPE_REG);
if (status == 0)
if (status == 0) {
ret = -2;
goto fail;
}
if (!fdiro->inode_read) {
status = ext2fs_read_inode(fdiro->data, fdiro->ino,
&fdiro->inode);
if (status == 0)
if (status == 0) {
ret = -3;
goto fail;
}
}
len = __le32_to_cpu(fdiro->inode.size);
ext2fs_file = fdiro;
return(len);
fail:
ext2fs_free_node(fdiro, &ext2fs_root->diropen);
return -1;
return ret;
}