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Date: Tue, 14 Nov 2023 15:03:02 +0530
From: Manikanta Guntupalli <manikanta.guntupalli@....com>
To: <git@....com>, <michal.simek@....com>, <jacmet@...site.dk>,
<gregkh@...uxfoundation.org>, <jirislaby@...nel.org>,
<linux-serial@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
<corbet@....net>, <christophe.leroy@...roup.eu>,
<rdunlap@...radead.org>, <airlied@...hat.com>,
<ogabbay@...nel.org>, <linux-doc@...r.kernel.org>
CC: <radhey.shyam.pandey@....com>, <srinivas.goud@....com>,
<shubhrajyoti.datta@....com>, <manion05gk@...il.com>,
Manikanta Guntupalli <manikanta.guntupalli@....com>
Subject: [PATCH V2 1/2] Documentation: devices.txt: Update ttyUL major number allocation details
Describe when uartlite driver uses static/dynamic allocation for major
number based on maximum number of uartlite serial ports.
Signed-off-by: Manikanta Guntupalli <manikanta.guntupalli@....com>
---
Changes for V2:
This patch introduced in V2.
---
Documentation/admin-guide/devices.txt | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/Documentation/admin-guide/devices.txt b/Documentation/admin-guide/devices.txt
index 839054923530..d2f2c9f436db 100644
--- a/Documentation/admin-guide/devices.txt
+++ b/Documentation/admin-guide/devices.txt
@@ -2707,6 +2707,10 @@
187 = /dev/ttyUL0 Xilinx uartlite - port 0
...
190 = /dev/ttyUL3 Xilinx uartlite - port 3
+
+ If maximum number of uartlite serial ports more than 4, then driver uses
+ dynamic allocation instead of static allocation for major number.
+
191 = /dev/xvc0 Xen virtual console - port 0
192 = /dev/ttyPZ0 pmac_zilog - port 0
...
--
2.25.1
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