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Filename Latest commit message Latest commit date
Herve Codina 0904e1be2a net: stmmac: fix get_hw_feature() on old hardware 
commit 075da584bae2da6a37428d59a477b6bdad430ac3 upstream.

Some old IPs do not provide the hardware feature register.
On these IPs, this register is read 0x00000000.

In old driver version, this feature was handled but a regression came
with the commit f10a6a3541 ("stmmac: rework get_hw_feature function").
Indeed, this commit removes the return value in dma->get_hw_feature().
This return value was used to indicate the validity of retrieved
information and used later on in stmmac_hw_init() to override
priv->plat data if this hardware feature were valid.

This patch restores the return code in ->get_hw_feature() in order
to indicate the hardware feature validity and override priv->plat
data only if this hardware feature is valid.

Fixes: f10a6a3541 ("stmmac: rework get_hw_feature function")
Signed-off-by: Herve Codina <herve.codina@bootlin.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2021-10-20 11:40:16 +02:00
arch powerpc/xive: Discard disabled interrupts in get_irqchip_state() 2021-10-20 11:40:15 +02:00
block
certs
crypto
Documentation
drivers net: stmmac: fix get_hw_feature() on old hardware 2021-10-20 11:40:16 +02:00
fs btrfs: check for error when looking up inode during dir entry replay 2021-10-20 11:40:13 +02:00
include net/mlx5e: Mutually exclude RX-FCS and RX-port-timestamp 2021-10-20 11:40:16 +02:00
init
ipc
kernel
lib
LICENSES
mm
net sctp: account stream padding length for reconf chunk 2021-10-20 11:40:15 +02:00
samples
scripts nds32/ftrace: Fix Error: invalid operands (*UND* and *UND* sections) for `^' 2021-10-20 11:40:12 +02:00
security
sound ALSA: hda/realtek: Fix the mic type detection issue for ASUS G551JW 2021-10-20 11:40:12 +02:00
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Makefile Linux 5.4.154 2021-10-17 10:42:35 +02:00
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 Restructured Text 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.