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linux/drivers/reset/reset-ti-sci.c

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treewide: Replace GPLv2 boilerplate/reference with SPDX - gpl-2.0_320.RULE Based on the normalized pattern: this program is free software you can redistribute it and/or modify it under the terms of the gnu general public license version 2 as published by the free software foundation this program is distributed as is without any warranty of any kind whether express or implied 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. Reviewed-by: Allison Randal <allison@lohutok.net> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-06-07 16:11:32 +02:00
reset: Add the TI SCI reset driver Some TI Keystone family of SoCs contain a system controller (like the Power Management Micro Controller (PMMC) on 66AK2G SoCs) that manage the low-level device control (like clocks, resets etc) for the various hardware modules present on the SoC. These device control operations are provided to the host processor OS through a communication protocol called the TI System Control Interface (TI SCI) protocol. This patch adds a reset driver that communicates to the system controller over the TI SCI protocol for performing reset management of various devices present on the SoC. Various reset functionalities are achieved by the means of different TI SCI device operations provided by the TI SCI framework. Signed-off-by: Andrew F. Davis <afd@ti.com> [s-anna@ti.com: documentation changes, revised commit message] Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> [p.zabel@pengutronix.de: const struct reset_control_ops] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-05-24 13:09:30 -05:00
firmware: ti_sci: Replace HTTP links with HTTPS ones Rationale: Reduces attack surface on kernel devs opening the links for MITM as HTTPS traffic is much harder to manipulate. Deterministic algorithm: For each file: If not .svg: For each line: If doesn't contain `\bxmlns\b`: For each link, `\bhttp://[^# \t\r\n]*(?:\w|/)`: If neither `\bgnu\.org/license`, nor `\bmozilla\.org/MPL\b`: If both the HTTP and HTTPS versions return 200 OK and serve the same content: Replace HTTP with HTTPS. Signed-off-by: Alexander A. Klimov <grandmaster@al2klimov.de> Acked-by: Rob Herring <robh@kernel.org> Signed-off-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
2020-07-24 14:43:48 -07:00
reset: Add the TI SCI reset driver Some TI Keystone family of SoCs contain a system controller (like the Power Management Micro Controller (PMMC) on 66AK2G SoCs) that manage the low-level device control (like clocks, resets etc) for the various hardware modules present on the SoC. These device control operations are provided to the host processor OS through a communication protocol called the TI System Control Interface (TI SCI) protocol. This patch adds a reset driver that communicates to the system controller over the TI SCI protocol for performing reset management of various devices present on the SoC. Various reset functionalities are achieved by the means of different TI SCI device operations provided by the TI SCI framework. Signed-off-by: Andrew F. Davis <afd@ti.com> [s-anna@ti.com: documentation changes, revised commit message] Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> [p.zabel@pengutronix.de: const struct reset_control_ops] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-05-24 13:09:30 -05:00
reset: ti-sci: Convert to platform remove callback returning void The .remove() callback for a platform driver returns an int which makes many driver authors wrongly assume it's possible to do error handling by returning an error code. However the value returned is ignored (apart from emitting a warning) and this typically results in resource leaks. To improve here there is a quest to make the remove callback return void. In the first step of this quest all drivers are converted to .remove_new(), which already returns void. Eventually after all drivers are converted, .remove_new() will be renamed to .remove(). Trivially convert this driver from always returning zero in the remove callback to the void returning variant. Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de> Reviewed-by: Nishanth Menon <nm@ti.com> Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de> Link: https://lore.kernel.org/r/ab374da386cafd6748aac5bdf66e6be3e1860509.1709674157.git.u.kleine-koenig@pengutronix.de Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2024-03-05 22:32:05 +01:00
reset: Add the TI SCI reset driver Some TI Keystone family of SoCs contain a system controller (like the Power Management Micro Controller (PMMC) on 66AK2G SoCs) that manage the low-level device control (like clocks, resets etc) for the various hardware modules present on the SoC. These device control operations are provided to the host processor OS through a communication protocol called the TI System Control Interface (TI SCI) protocol. This patch adds a reset driver that communicates to the system controller over the TI SCI protocol for performing reset management of various devices present on the SoC. Various reset functionalities are achieved by the means of different TI SCI device operations provided by the TI SCI framework. Signed-off-by: Andrew F. Davis <afd@ti.com> [s-anna@ti.com: documentation changes, revised commit message] Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> [p.zabel@pengutronix.de: const struct reset_control_ops] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-05-24 13:09:30 -05:00
Get rid of 'remove_new' relic from platform driver struct The continual trickle of small conversion patches is grating on me, and is really not helping. Just get rid of the 'remove_new' member function, which is just an alias for the plain 'remove', and had a comment to that effect: /* * .remove_new() is a relic from a prototype conversion of .remove(). * New drivers are supposed to implement .remove(). Once all drivers are * converted to not use .remove_new any more, it will be dropped. */ This was just a tree-wide 'sed' script that replaced '.remove_new' with '.remove', with some care taken to turn a subsequent tab into two tabs to make things line up. I did do some minimal manual whitespace adjustment for places that used spaces to line things up. Then I just removed the old (sic) .remove_new member function, and this is the end result. No more unnecessary conversion noise. Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2024-12-01 15:12:43 -08:00
reset: Add the TI SCI reset driver Some TI Keystone family of SoCs contain a system controller (like the Power Management Micro Controller (PMMC) on 66AK2G SoCs) that manage the low-level device control (like clocks, resets etc) for the various hardware modules present on the SoC. These device control operations are provided to the host processor OS through a communication protocol called the TI System Control Interface (TI SCI) protocol. This patch adds a reset driver that communicates to the system controller over the TI SCI protocol for performing reset management of various devices present on the SoC. Various reset functionalities are achieved by the means of different TI SCI device operations provided by the TI SCI framework. Signed-off-by: Andrew F. Davis <afd@ti.com> [s-anna@ti.com: documentation changes, revised commit message] Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Nishanth Menon <nm@ti.com> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> [p.zabel@pengutronix.de: const struct reset_control_ops] Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
2017-05-24 13:09:30 -05:00