From mboxrd@z Thu Jan 1 00:00:00 1970 From: Phil Reid Subject: [PATCH v2 1/1] spi: dw: Make debugfs name unique between instances Date: Tue, 3 Jan 2017 12:54:09 +0800 Message-ID: <1483419249-88956-1-git-send-email-preid@electromag.com.au> To: broonie-DgEjT+Ai2ygdnm+yROfE0A@public.gmane.org, kernel-NoMTM8u0nx3R7s880joybQ@public.gmane.org, preid-qgqNFa1JUf/o2iN0hyhwsIdd74u8MsAO@public.gmane.org, linux-spi-u79uwXL29TY76Z2rM5mHXA@public.gmane.org Return-path: Sender: linux-spi-owner-u79uwXL29TY76Z2rM5mHXA@public.gmane.org List-ID: Some system have multiple dw devices. Currently the driver uses a fixed name for the debugfs dir. Append bus_num to the debugfs dir name to make it unique. Signed-off-by: Phil Reid --- Notes: Changes from v1: - Reduce buffer size to 32. - Use bus_num instead of device name. drivers/spi/spi-dw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 27960e4..77439ac 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[32]; + + snprintf(name, 32, "dw_spi%d", dws->master->bus_num); + dws->debugfs = debugfs_create_dir(name, NULL); if (!dws->debugfs) return -ENOMEM; -- 1.8.3.1 -- To unsubscribe from this list: send the line "unsubscribe linux-spi" in the body of a message to majordomo-u79uwXL29TY76Z2rM5mHXA@public.gmane.org More majordomo info at http://vger.kernel.org/majordomo-info.html