Commit 14e5c8c6 authored by Phil Reid's avatar Phil Reid Committed by Greg Kroah-Hartman

spi: dw: Make debugfs name unique between instances


[ Upstream commit 13288bdf ]

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: default avatarPhil Reid <preid@electromag.com.au>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
Signed-off-by: default avatarSasha Levin <alexander.levin@verizon.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ed788dc6
......@@ -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;
......
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