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    Subject[PATCH v8 04/12] 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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