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authorSergey Ryazanov <ryazanov.s.a@gmail.com>2021-06-08 07:02:34 +0300
committerDavid S. Miller <davem@davemloft.net>2021-06-08 14:33:43 -0700
commitb64d76b782264aa91c236c11c72646459b04c301 (patch)
tree0ac4aa6fa6761b5f443fc935d712fb9ed2ba6be1 /include
parent9ee23f48f6705fff6c23e02c4ab1e6d99369cd05 (diff)
net: wwan: make WWAN_PORT_MAX meaning less surprised
It is quite unusual when some value can not be equal to a defined range max value. Also most subsystems defines FOO_TYPE_MAX as a maximum valid value. So turn the WAN_PORT_MAX meaning from the number of supported port types to the maximum valid port type. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com> Reviewed-by: Loic Poulain <loic.poulain@linaro.org> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/linux/wwan.h12
1 files changed, 9 insertions, 3 deletions
diff --git a/include/linux/wwan.h b/include/linux/wwan.h
index 7216c114d758..fa33cc16d931 100644
--- a/include/linux/wwan.h
+++ b/include/linux/wwan.h
@@ -15,8 +15,10 @@
* @WWAN_PORT_QMI: Qcom modem/MSM interface for modem control
* @WWAN_PORT_QCDM: Qcom Modem diagnostic interface
* @WWAN_PORT_FIREHOSE: XML based command protocol
- * @WWAN_PORT_UNKNOWN: Unknown port type
- * @WWAN_PORT_MAX: Number of supported port types
+ *
+ * @WWAN_PORT_MAX: Highest supported port types
+ * @WWAN_PORT_UNKNOWN: Special value to indicate an unknown port type
+ * @__WWAN_PORT_MAX: Internal use
*/
enum wwan_port_type {
WWAN_PORT_AT,
@@ -24,8 +26,12 @@ enum wwan_port_type {
WWAN_PORT_QMI,
WWAN_PORT_QCDM,
WWAN_PORT_FIREHOSE,
+
+ /* Add new port types above this line */
+
+ __WWAN_PORT_MAX,
+ WWAN_PORT_MAX = __WWAN_PORT_MAX - 1,
WWAN_PORT_UNKNOWN,
- WWAN_PORT_MAX = WWAN_PORT_UNKNOWN,
};
struct wwan_port;