diff options
| author | Phil Reid <preid@electromag.com.au> | 2016-12-22 17:18:12 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-06 18:59:45 -0700 |
| commit | 14e5c8c61791d03e69de94affc149dcb6735aa66 (patch) | |
| tree | be6afe4c72b1ac612ab337b6f2435304afe623ea | |
| parent | ed788dc6fa65f74a5f82f9fe5d7ea46d17cdaf87 (diff) | |
spi: dw: Make debugfs name unique between instances
[ Upstream commit 13288bdf4adbaa6bd1267f10044c1bc25d90ce7f ]
Some system have multiple dw devices. Currently the driver uses a
fixed name for the debugfs dir. Append dev name to the debugfs dir
name to make it unique.
Signed-off-by: Phil Reid <preid@electromag.com.au>
Signed-off-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/spi/spi-dw.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 27960e46135d..c4226c07e091 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -107,7 +107,10 @@ static const struct file_operations dw_spi_regs_ops = { static int dw_spi_debugfs_init(struct dw_spi *dws) { - dws->debugfs = debugfs_create_dir("dw_spi", NULL); + char name[128]; + + snprintf(name, 128, "dw_spi-%s", dev_name(&dws->master->dev)); + dws->debugfs = debugfs_create_dir(name, NULL); if (!dws->debugfs) return -ENOMEM; |