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Subject[PATCH v7 04/11] mmc: mmc_test: add debugfs file to list all tests
Date
Add a debugfs file "testlist" to print all available tests

Signed-off-by: Per Forlin <per.forlin@linaro.org>
---
drivers/mmc/card/mmc_test.c | 39 ++++++++++++++++++++++++++++++++++++++-
1 files changed, 38 insertions(+), 1 deletions(-)
diff --git a/drivers/mmc/card/mmc_test.c b/drivers/mmc/card/mmc_test.c
index 233cdfa..e8508e9 100644
--- a/drivers/mmc/card/mmc_test.c
+++ b/drivers/mmc/card/mmc_test.c
@@ -2445,6 +2445,32 @@ static const struct file_operations mmc_test_fops_test = {
.release = single_release,
};

+static int mtf_testlist_show(struct seq_file *sf, void *data)
+{
+ int i;
+
+ mutex_lock(&mmc_test_lock);
+
+ for (i = 0; i < ARRAY_SIZE(mmc_test_cases); i++)
+ seq_printf(sf, "%d:\t%s\n", i+1, mmc_test_cases[i].name);
+
+ mutex_unlock(&mmc_test_lock);
+
+ return 0;
+}
+
+static int mtf_testlist_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, mtf_testlist_show, inode->i_private);
+}
+
+static const struct file_operations mmc_test_fops_testlist = {
+ .open = mtf_testlist_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
static void mmc_test_free_file_test(struct mmc_card *card)
{
struct mmc_test_dbgfs_file *df, *dfs;
@@ -2476,7 +2502,18 @@ static int mmc_test_register_file_test(struct mmc_card *card)

if (IS_ERR_OR_NULL(file)) {
dev_err(&card->dev,
- "Can't create file. Perhaps debugfs is disabled.\n");
+ "Can't create test. Perhaps debugfs is disabled.\n");
+ ret = -ENODEV;
+ goto err;
+ }
+
+ if (card->debugfs_root)
+ file = debugfs_create_file("testlist", S_IRUGO,
+ card->debugfs_root, card, &mmc_test_fops_testlist);
+
+ if (IS_ERR_OR_NULL(file)) {
+ dev_err(&card->dev,
+ "Can't create testlist. Perhaps debugfs is disabled.\n");
ret = -ENODEV;
goto err;
}
--
1.7.4.1


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