| Message ID | 1482398292-46946-1-git-send-email-preid@electromag.com.au (mailing list archive) |
|---|---|
| State | Accepted |
| Commit | 13288bdf4adbaa6bd1267f10044c1bc25d90ce7f |
| Headers | show |
On Thu, Dec 22, 2016 at 11:18 AM, Phil Reid <preid@electromag.com.au> wrote: > 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. > --- a/drivers/spi/spi-dw.c > +++ b/drivers/spi/spi-dw.c > @@ -107,7 +107,10 @@ static ssize_t dw_spi_show_regs(struct file *file, char __user *user_buf, > > 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)); 128 is too much. Perhaps something like 32 and use bus number instead of dev_name(). > + dws->debugfs = debugfs_create_dir(name, NULL); > if (!dws->debugfs) > return -ENOMEM;
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 27960e4..c4226c0 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -107,7 +107,10 @@ static ssize_t dw_spi_show_regs(struct file *file, char __user *user_buf, 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;
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> --- drivers/spi/spi-dw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-)