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| author | Phil Reid <preid@electromag.com.au> | 2016-12-22 17:18:12 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-08-06 19:19:44 -0700 |
| commit | 152684089ea39e38b17feb1dfb366bf3f2fb146a (patch) | |
| tree | 9ebb4408cd647d0dd06d1a9961760a0246aaa757 /drivers | |
| parent | dc19e98eb86e37371a0c7817abd1f2a19480187c (diff) | |
| download | linux-stable-152684089ea39e38b17feb1dfb366bf3f2fb146a.tar.gz linux-stable-152684089ea39e38b17feb1dfb366bf3f2fb146a.tar.bz2 linux-stable-152684089ea39e38b17feb1dfb366bf3f2fb146a.zip | |
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>
Diffstat (limited to 'drivers')
| -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 882cd6618cd5..87a0e47eeae6 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; |