Bjorn Helgaas f9b17ffcb5 mmc: sdhci-pci-gli: Use pci_set_power_state(), not direct PMCSR writes
d7133797e9 ("mmc: sdhci-pci-gli: A workaround to allow GL9750 to enter
ASPM L1.2") and 36ed2fd32b ("mmc: sdhci-pci-gli: A workaround to allow
GL9755 to enter ASPM L1.2") added writes to the Control register in the
Power Management Capability to put the device in D3hot and back to D0.

Use the pci_set_power_state() interface instead because these are generic
operations that don't need to be driver-specific.  Also, the PCI spec
requires some delays after these power transitions, and
pci_set_power_state() takes care of those, while d7133797e9 and
36ed2fd32b did not.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Reviewed-by: Ben Chuang <ben.chuang@genesyslogic.com.tw>
Link: https://lore.kernel.org/r/20240327214831.1544595-3-helgaas@kernel.org
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
2024-04-02 12:34:06 +02:00
2022-09-28 09:02:20 +02:00
2024-03-31 14:32:39 -07:00
2024-03-18 03:36:32 -06:00

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.
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