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path: root/drivers/platform/x86/dell_rbu.c
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2021-02-04platform/x86: Move all dell drivers to their own subdirectoryMario Limonciello1-680/+0
A user without a Dell system doesn't need to pick any of these drivers. Users with a Dell system can enable this submenu and all drivers behind it will be enabled. Suggested-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Mario Limonciello <mario.limonciello@dell.com> Link: https://lore.kernel.org/r/20210203195832.2950605-1-mario.limonciello@dell.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
2020-02-10platform/x86: dell_rbu: Unify format of the printed messagesAndy Shevchenko1-41/+26
Here we do: - unify all message to have module name prefix via pr_fmt() - replace printk(LEVEL ... ) with pr_level(...) - drop __func__ from messages - join string literals to be on one line - drop trailing periods and spaces Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-02-10platform/x86: dell_rbu: Use max_t() to get rid of castingAndy Shevchenko1-3/+1
There is no need to cast both values in max_t() macro, so, use it. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-02-10platform/x86: dell_rbu: Simplify cleanup code in create_packet()Andy Shevchenko1-5/+3
The code looks more nicer if we use: while (idx--) instead: for (;idx>0;idx--) Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-02-10platform/x86: dell_rbu: don't open code list_for_each_entry*()Andy Shevchenko1-19/+8
The loop declaration in packet_read_list() and packet_empty_list() can be simplified by reusing the common list_for_each_entry*() helper macros. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2020-02-10platform/x86: dell_rbu: Use sysfs_create_group() APIAndy Shevchenko1-40/+27
Use sysfs_create_group() API instead of open coded variant. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
2019-10-15docs: admin-guide: Move Dell RBU document from driver-apiJonathan Neuschäfer1-1/+1
This document describes how an admin can use the dell_rbu driver, rather than any in-kernel API details. Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net> Acked-by: Andy Shevchenko <andy.shevchenko@gmail.com> Signed-off-by: Jonathan Corbet <corbet@lwn.net>
2019-07-15docs: driver-api: add a series of orphaned documentsMauro Carvalho Chehab1-1/+1
There are lots of documents under Documentation/*.txt and a few other orphan documents elsehwere that belong to the driver-API book. Move them to their right place. Reviewed-by: Cornelia Huck <cohuck@redhat.com> # vfio-related parts Acked-by: Logan Gunthorpe <logang@deltatee.com> # switchtec Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
2019-06-05treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 287Thomas Gleixner1-9/+1
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 v2 0 as published by the free software foundation this program is distributed in the hope that it will be useful but without any warranty without even the implied warranty of merchantability or fitness for a particular purpose see the gnu general public license for more details extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 23 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Alexios Zavras <alexios.zavras@intel.com> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190529141901.115786599@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2019-02-23platform/x86: dell_rbu: fix lock imbalance in img_update_reallocChristoph Hellwig1-1/+1
We need to ensure rbu_data.lock is always held on return. Fixes: 289790a3ea94 ("platform/x86: dell_rbu: stop abusing the DMA API") Reported-by: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Stuart Hayes <stuart.w.hayes@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2019-02-23platform/x86: dell_rbu: stop abusing the DMA APIChristoph Hellwig1-37/+15
For some odd reason dell_rbu actually seems to want the physical and not a bus address for the allocated buffer. Lets assume that actually is correct given that it is BIOS-related and that is a good source of insanity. In that case we should not use dma_alloc_coherent with a NULL device to allocate memory, but use GFP_DMA32 to stay under the 32-bit BIOS limit. Signed-off-by: Christoph Hellwig <hch@lst.de> Acked-by: Stuart Hayes <stuart.w.hayes@gmail.com> Signed-off-by: Darren Hart (VMware) <dvhart@infradead.org>
2018-09-27firmware: dell_rbu: Move dell_rbu to drivers/platform/x86Stuart Hayes1-0/+753
Move dell_rbu to the more appropriate directory drivers/platform/x86. Signed-off-by: Stuart Hayes <stuart.w.hayes@gmail.com> Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
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