From: Finn Thain <fthain@telegraphics.com.au>
To: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Michael Schmitz <schmitzmic@gmail.com>,
<linuxppc-dev@lists.ozlabs.org>,
<linux-m68k@lists.linux-m68k.org>, <linux-kernel@vger.kernel.org>
Subject: [PATCH v2 00/12] macintosh: Resolve various PMU driver problems
Date: Thu, 7 Jun 2018 22:24:28 -0400 (EDT) [thread overview]
Message-ID: <cover.1528423341.git.fthain@telegraphics.com.au> (raw)
This series of patches has the following aims.
1) Eliminate duplicated code. Linux presently has two drivers for
the 68HC05-based PMU devices found in Macs: via-pmu and via-pmu68k.
There's no value in having separate PMU drivers for each architecture.
2) Avoid further work on via-pmu68k that's not needed for via-pmu.
3) Fix some bugs in the via-pmu driver.
4) Enable the /dev/pmu and /proc/pmu/* userspace APIs on m68k Macs
by adopting via-pmu.
5) Improve stability on early 100-series PowerBooks by loading no PMU
driver at all. Neither via-pmu nor via-pmu68k supports the early
M50753-based PMU device found in these models.
6) Eliminate duplicated RTC accessors for PMU and Cuda. Presently these
can be found under both arch/m68k and arch/powerpc.
7) Assist the out-of-tree NuBus PowerMac port to support PMU designs
shared with the m68k Mac port (e.g. PowerBooks 190 and 5300).
This patch series has been regression tested on various PowerBooks
(190, 520, 3400, Pismo G3) and PowerMacs (Beige G3, G5). These patches
did not affect userland utilities. (Note that there is a userland-
visible change to the contents of /proc/pmu/interrupts.)
Changed since v1:
1) Added blank lines after 'break' statements in patch 10.
2) Improved patch description for patch 3.
3) Added reviewed-by tags.
4) Split patch 8 to make code review easier.
Finn Thain (12):
macintosh/via-pmu: Fix section mismatch warning
macintosh/via-pmu: Add missing mmio accessors
macintosh/via-pmu: Don't clear shift register interrupt flag twice
macintosh/via-pmu: Enhance state machine with new 'uninitialized'
state
macintosh/via-pmu: Replace via pointer with via1 and via2 pointers
macintosh/via-pmu: Add support for m68k PowerBooks
macintosh/via-pmu: Make CONFIG_PPC_PMAC Kconfig deps explicit
macintosh/via-pmu68k: Don't load driver on unsupported hardware
macintosh/via-pmu: Replace via-pmu68k driver with via-pmu driver
macintosh: Use common code to access RTC
macintosh/via-pmu: Clean up interrupt statistics
macintosh/via-pmu: Disambiguate interrupt statistics
arch/m68k/configs/mac_defconfig | 2 +-
arch/m68k/configs/multi_defconfig | 2 +-
arch/m68k/mac/config.c | 2 +-
arch/m68k/mac/misc.c | 118 +----
arch/powerpc/platforms/powermac/time.c | 74 +--
drivers/macintosh/Kconfig | 19 +-
drivers/macintosh/Makefile | 1 -
drivers/macintosh/adb.c | 2 +-
drivers/macintosh/via-cuda.c | 34 ++
drivers/macintosh/via-pmu.c | 378 ++++++++++-----
drivers/macintosh/via-pmu68k.c | 850 ---------------------------------
include/linux/cuda.h | 3 +
include/linux/pmu.h | 3 +
include/uapi/linux/pmu.h | 2 -
14 files changed, 311 insertions(+), 1179 deletions(-)
delete mode 100644 drivers/macintosh/via-pmu68k.c
--
2.16.4
next reply other threads:[~2018-06-08 2:24 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-06-08 2:24 Finn Thain [this message]
2018-06-08 2:24 ` [PATCH v2 02/12] macintosh/via-pmu: Add missing mmio accessors Finn Thain
2018-06-08 2:24 ` [PATCH v2 01/12] macintosh/via-pmu: Fix section mismatch warning Finn Thain
2018-06-08 2:24 ` [PATCH v2 03/12] macintosh/via-pmu: Don't clear shift register interrupt flag twice Finn Thain
2018-06-08 2:24 ` [PATCH v2 07/12] macintosh/via-pmu: Make CONFIG_PPC_PMAC Kconfig deps explicit Finn Thain
2018-06-08 2:24 ` [PATCH v2 10/12] macintosh: Use common code to access RTC Finn Thain
2018-06-08 2:24 ` [PATCH v2 08/12] macintosh/via-pmu68k: Don't load driver on unsupported hardware Finn Thain
2018-06-09 6:42 ` Michael Schmitz
2018-06-09 7:14 ` Andreas Schwab
2018-06-09 7:55 ` Michael Schmitz
2018-06-09 12:21 ` Finn Thain
2018-06-09 13:24 ` Andreas Schwab
2018-06-10 2:11 ` Finn Thain
2018-06-10 6:55 ` Benjamin Herrenschmidt
2018-06-11 23:47 ` Finn Thain
2018-06-12 6:53 ` Laurent Vivier
2018-06-12 20:12 ` Michael Schmitz
2018-06-10 8:29 ` Geert Uytterhoeven
2018-06-10 9:12 ` Michael Schmitz
2018-06-11 0:05 ` Benjamin Herrenschmidt
2018-06-11 1:45 ` Michael Schmitz
2018-06-08 2:24 ` [PATCH v2 05/12] macintosh/via-pmu: Replace via pointer with via1 and via2 pointers Finn Thain
2018-06-08 2:24 ` [PATCH v2 09/12] macintosh/via-pmu: Replace via-pmu68k driver with via-pmu driver Finn Thain
2018-06-08 2:24 ` [PATCH v2 06/12] macintosh/via-pmu: Add support for m68k PowerBooks Finn Thain
2018-06-08 2:24 ` [PATCH v2 12/12] macintosh/via-pmu: Disambiguate interrupt statistics Finn Thain
2018-06-08 2:24 ` [PATCH v2 11/12] macintosh/via-pmu: Clean up " Finn Thain
2018-06-08 2:24 ` [PATCH v2 04/12] macintosh/via-pmu: Enhance state machine with new 'uninitialized' state Finn Thain
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