[PATCH] Documentation: devices.txt: reconcile serial/ucc_uart minor numers

From: Randy Dunlap
Date: Mon Jul 24 2023 - 02:33:54 EST


Reconcile devices.txt with serial/ucc_uart.c regarding device number
assignments. ucc_uart.c supports 4 ports and uses minor devnums
46-49, so update devices.txt with that info.
Then update ucc_uart.c's reference to the location of the devices.txt
list in the kernel source tree.

Fixes: d7584ed2b994 ("[POWERPC] qe-uart: add support for Freescale QUICCEngine UART")
Fixes: 1da177e4c3f4 ("Linux-2.6.12-rc2")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Timur Tabi <timur@xxxxxxxxxx>
Cc: Kumar Gala <galak@xxxxxxxxxxxxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
Cc: Jiri Slaby <jirislaby@xxxxxxxxxx>
Cc: linux-serial@xxxxxxxxxxxxxxx
Cc: Jonathan Corbet <corbet@xxxxxxx>
Cc: linux-doc@xxxxxxxxxxxxxxx
---
Documentation/admin-guide/devices.txt | 2 +-
drivers/tty/serial/ucc_uart.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff -- a/drivers/tty/serial/ucc_uart.c b/drivers/tty/serial/ucc_uart.c
--- a/drivers/tty/serial/ucc_uart.c
+++ b/drivers/tty/serial/ucc_uart.c
@@ -59,7 +59,7 @@ static int firmware_loaded;
/* #define LOOPBACK */

/* The major and minor device numbers are defined in
- * http://www.lanana.org/docs/device-list/devices-2.6+.txt. For the QE
+ * Documentation/admin-guide/devices.txt. For the QE
* UART, we have major number 204 and minor numbers 46 - 49, which are the
* same as for the CPM2. This decision was made because no Freescale part
* has both a CPM and a QE.
diff -- a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -2691,7 +2691,7 @@
45 = /dev/ttyMM1 Marvell MPSC - port 1 (obsolete unused)
46 = /dev/ttyCPM0 PPC CPM (SCC or SMC) - port 0
...
- 47 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 5
+ 49 = /dev/ttyCPM5 PPC CPM (SCC or SMC) - port 3
50 = /dev/ttyIOC0 Altix serial card
...
81 = /dev/ttyIOC31 Altix serial card