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The function returned zero unconditionally, so the function returning an
int is something between useless and irritating. With the goal to make
platform drivers' remove function return void, it's helpful to convert
the function accordingly. This converts several drivers to the new
.remove_new callback that was introduced to smoothen the platform driver
conversion.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Acked-by: Serge Semin <fancer.lancer@gmail.com>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Signed-off-by: Damien Le Moal <dlemoal@kernel.org>
Make it explicit that ATA host templates are not modified.
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com> (for DWC AHCI SATA)
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com> (for Tegra)
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230322195515.1267197-5-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
In order to simplify the clock-related code there is a way to convert the
current fixed clocks array into using the common bulk clocks kernel API
with dynamic set of the clock handlers and device-managed clock-resource
tracking. It's a bit tricky due to the complication coming from the
requirement to support the platforms (da850, spear13xx) with the
non-OF-based clock source, but still doable.
Before this modification there are two methods have been used to get the
clocks connected to an AHCI device: clk_get() - to get the very first
clock in the list and of_clk_get() - to get the rest of them. Basically
the platforms with non-OF-based clocks definition could specify only a
single reference clock source. The platforms with OF-hw clocks have been
luckier and could setup up to AHCI_MAX_CLKS clocks. Such semantic can be
retained with using devm_clk_bulk_get_all() to retrieve the clocks defined
via the DT firmware and devm_clk_get_optional() otherwise. In both cases
using the device-managed version of the methods will cause the automatic
resources deallocation on the AHCI device removal event. The only
complicated part in the suggested approach is the explicit allocation and
initialization of the clk_bulk_data structure instance for the non-OF
reference clocks. It's required in order to use the Bulk Clocks API for
the both denoted cases of the clocks definition.
Note aside with the clock-related code reduction and natural
simplification, there are several bonuses the suggested modification
provides. First of all the limitation of having no greater than
AHCI_MAX_CLKS clocks is now removed, since the devm_clk_bulk_get_all()
method will allocate as many reference clocks data descriptors as there
are clocks specified for the device. Secondly the clock names are
auto-detected. So the LLDD (glue) drivers can make sure that the required
clocks are specified just by checking the clock IDs in the clk_bulk_data
array. Thirdly using the handy Bulk Clocks kernel API improves the
clocks-handling code readability. And the last but not least this
modification implements a true optional clocks support to the
ahci_platform_get_resources() method. Indeed the previous clocks getting
procedure just stopped getting the clocks on any errors (aside from
non-critical -EPROBE_DEFER) in a way so the callee wasn't even informed
about abnormal loop termination. The new implementation lacks of such
problem. The ahci_platform_get_resources() will return an error code if
the corresponding clocks getting method ends execution abnormally.
Signed-off-by: Serge Semin <Sergey.Semin@baikalelectronics.ru>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
It does not make sense to have a comma after a sentinel, as any new
elements must be added before the sentinel.
Add comments to clarify the purpose of the empty elements.
Rewrap entries to a single line to have a consistent style.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Reviewed-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Acked-by: Florian Fainelli <f.fainelli@gmail.com> [ahci_brcm]
Reviewed-by: Kieran Bingham <kieran.bingham+renesas@ideasonboard.com>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Based on 1 normalized pattern(s):
this program is free software you can redistribute it and or modify
it under the terms of the gnu general public license as published by
the free software foundation either version 2 or at your option any
later version
extracted by the scancode license scanner the SPDX license identifier
GPL-2.0-or-later
has been chosen to replace the boilerplate/reference in 11 file(s).
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org>
Reviewed-by: Allison Randal <allison@lohutok.net>
Cc: linux-spdx@vger.kernel.org
Link: https://lkml.kernel.org/r/20190520170858.370933192@linutronix.de
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Add an extra argument to ahci_platform_get_resources(), that is
for the bitmap representing the resource to get in this function.
Currently there is no resources to be defined, so all the callers set
'0' to the argument.
Suggested-by: Hans de Goede <hdegoede@redhat.com>
Cc: Thierry Reding <thierry.reding@gmail.com>
Cc: Matthias Brugger <matthias.bgg@gmail.com>
Cc: Patrice Chotard <patrice.chotard@st.com>
Cc: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Kunihiko Hayashi <hayashi.kunihiko@socionext.com>
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
This SATA controller is quite similar to the one present on the DA850
SoC, but the PHY configuration is different and it supports two HBA
ports.
The IP suffers from the same PMP issue the DA850 does - if we enable
PMP but don't use it - softreset fails. Appropriate workaround was
implemented in this driver as well.
Signed-off-by: Bartosz Golaszewski <bgolaszewski@baylibre.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
