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Viken Dadhaniya 7a18bdbafe serial: qcom-geni: Add DFS clock mode support to GENI UART driver 
[ Upstream commit fc6a5b540c ]

GENI UART driver currently supports only non-DFS (Dynamic Frequency
Scaling) mode for source frequency selection. However, to operate correctly
in DFS mode, the GENI SCLK register must be programmed with the appropriate
DFS index. Failing to do so can result in incorrect frequency selection

Add support for Dynamic Frequency Scaling (DFS) mode in the GENI UART
driver by configuring the GENI_CLK_SEL register with the appropriate DFS
index. This ensures correct frequency selection when operating in DFS mode.

Replace the UART driver-specific logic for clock selection with the GENI
common driver function to obtain the desired frequency and corresponding
clock index. This improves maintainability and consistency across
GENI-based drivers.

Signed-off-by: Viken Dadhaniya <viken.dadhaniya@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250903063136.3015237-1-viken.dadhaniya@oss.qualcomm.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
History 2025-11-13 15:37:15 -05:00
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README

README 

Linux kernel
============

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the reStructuredText markup notation.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.