From: Martin Kelly <martin@martingkelly.com>
Date: Fri, 26 Oct 2018 02:38:09 +0000 (-0700)
Subject: iio: magnetometer: add clarifying comment
X-Git-Tag: v5.4-rc1~1925^2~249^2~55
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=53759e259da43fae0e5322d227ffce60857f2828;p=platform%2Fkernel%2Flinux-rpi.git

iio: magnetometer: add clarifying comment

Add a comment clarifying better when to use <device_name> vs
<device_name>-magn in compatibility strings.

Signed-off-by: Martin Kelly <martin@martingkelly.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
---

diff --git a/drivers/iio/magnetometer/st_magn_spi.c b/drivers/iio/magnetometer/st_magn_spi.c
index 7b7cd08fcc32..15bb09267098 100644
--- a/drivers/iio/magnetometer/st_magn_spi.c
+++ b/drivers/iio/magnetometer/st_magn_spi.c
@@ -23,6 +23,8 @@
  * For new single-chip sensors use <device_name> as compatible string.
  * For old single-chip devices keep <device_name>-magn to maintain
  * compatibility
+ * For multi-chip devices, use <device_name>-magn to distinguish which
+ * capability is being used
  */
 static const struct of_device_id st_magn_of_match[] = {
 	{