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[00/41] OMAP1 full multiplatform conversion

Message ID 20220419133723.1394715-1-arnd@kernel.org
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Series OMAP1 full multiplatform conversion | expand

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Arnd Bergmann April 19, 2022, 1:36 p.m. UTC
From: Arnd Bergmann <arnd@arndb.de>

This is the full series for converting OMAP1 to multiplatform, rebased
from my 2019 attempt to do the same thing. The soc tree contains simpler
patches to do the same for iop32x, ixp4xx, ep93xx and s3c24xx, which
means we are getting closer to completing this for all ARMv5 platforms
(I have patches for PXA, which is the last one remaining).

Janusz already tested the branch separately and did the missing work
for the common-clk conversion after my previous approach was broken.

The fbdev, mmc and ASoC portion of Janusz' work already went into the
corresponding maintainer tree, but I include them here for reference.
Unless there are any objections, I would add the entire series to the
for-next branch of the soc tree, but only send the first 36 patches early
in the merge window. After everything else has made it in, I would rebase
the last two patches and send them separately, which may or may not make
it in the merge window.

     Arnd

Arnd Bergmann (30):
  video: fbdev: omapfb: lcd_ams_delta: fix unused variable warning
  ARM: omap1: innovator: pass lcd control address as pdata
  ARM: omap1: move lcd_dma code into omapfb driver
  ARM: omap1: declare a dummy omap_set_dma_priority
  fbdev: omap: pass irqs as resource
  ARM: omap1: ams-delta: remove camera leftovers
  ARM: omap1: move mach/usb.h to include/linux/soc
  ARM: omap1: move some headers to include/linux/soc
  ARM: omap1: move perseus spi pinconf to board file
  ARM: omap1: move CF chipselect setup to board file
  fbdev: omap: avoid using mach/*.h files
  usb: omap: avoid mach/*.h headers
  clocksource: ti-dmtimer: avoid using mach/hardware.h
  serial: 8250/omap1: include linux/soc/ti/omap1-soc.h
  input: omap: void using mach/*.h headers
  ARM: omap1: innovator: move ohci phy power handling to board file
  ARM: omap1: move 32k counter from plat-omap to mach-omap1
  ARM: omap: remove debug-leds driver
  ARM: omap: dma: make usb support optional
  dma: omap: hide legacy interface
  ARM: omap1: dma: remove omap2 specific bits
  ARM: omap1: move plat/dma.c to mach/omap-dma.c
  ARM: omap: split up arch/arm/plat-omap/Kconfig
  ARM: omap: un-merge plat/sram.c
  ARM: omap: remove empty plat-omap directory
  ARM: omap1: relocate static I/O mapping
  ARM: omap1: use pci_remap_iospace() for omap_cf
  ARM: omap1: move mach/*.h into mach directory
  ARM: omap1: fix build with no SoC selected
  [TO BE REBASED] ARM: omap1: enable multiplatform

Janusz Krzysztofik (11):
  ARM: OMAP1: Prepare for conversion of OMAP1 clocks to CCF
  ARM: OMAP1: clock: Fix early UART rate issues
  ARM: OMAP1: clock: Fix UART rate reporting algorithm
  ARM: OMAP1: clock: Remove unused code
  ARM: OMAP1: clock: Remove noop code
  usb: host: ohci-omap: Make it CCF clk API compatible
  usb: gadget: omap_udc: Make it CCF clk API compatible
  [MERGED] video: fbdev: omap: Make it CCF clk API compatible
  [MERGED] mmc: omap: Make it CCF clk API compatible
  [MERGED] ASoC: ti: osk5912: Make it CCF clk API compatible
  [TO BE REBASED] ARM: OMAP1: clock: Convert to CCF

 arch/arm/Kconfig                              |  16 -
 arch/arm/Kconfig.debug                        |   6 +-
 arch/arm/Makefile                             |   1 -
 arch/arm/configs/omap1_defconfig              |   3 +
 arch/arm/mach-omap1/Kconfig                   |  72 ++
 arch/arm/mach-omap1/Makefile                  |   6 +-
 arch/arm/mach-omap1/ams-delta-fiq-handler.S   |   3 +-
 arch/arm/mach-omap1/ams-delta-fiq.c           |   2 +
 arch/arm/mach-omap1/ams-delta-fiq.h           |   2 +-
 arch/arm/mach-omap1/board-ams-delta.c         |  18 +-
 arch/arm/mach-omap1/board-fsample.c           |  10 +-
 arch/arm/mach-omap1/board-generic.c           |   8 +-
 arch/arm/mach-omap1/board-h2.c                |  14 +-
 arch/arm/mach-omap1/board-h3.c                |  16 +-
 arch/arm/mach-omap1/board-htcherald.c         |  10 +-
 arch/arm/mach-omap1/board-innovator.c         |  34 +-
 arch/arm/mach-omap1/board-nokia770.c          |   8 +-
 arch/arm/mach-omap1/board-osk.c               |  49 +-
 arch/arm/mach-omap1/board-palmte.c            |  14 +-
 arch/arm/mach-omap1/board-palmtt.c            |  14 +-
 arch/arm/mach-omap1/board-palmz71.c           |  14 +-
 arch/arm/mach-omap1/board-perseus2.c          |  15 +-
 arch/arm/mach-omap1/board-sx1-mmc.c           |   3 +-
 arch/arm/mach-omap1/board-sx1.c               |  12 +-
 arch/arm/mach-omap1/clock.c                   | 797 +++++++-----------
 arch/arm/mach-omap1/clock.h                   | 191 ++---
 arch/arm/mach-omap1/clock_data.c              | 508 +++++------
 arch/arm/mach-omap1/common.h                  |   3 +-
 arch/arm/mach-omap1/devices.c                 |  12 +-
 arch/arm/mach-omap1/dma.c                     |   2 +-
 arch/arm/mach-omap1/fb.c                      |  19 +-
 arch/arm/mach-omap1/flash.c                   |   5 +-
 arch/arm/mach-omap1/fpga.c                    |   3 +-
 arch/arm/mach-omap1/gpio15xx.c                |   3 +-
 arch/arm/mach-omap1/gpio16xx.c                |   5 +-
 arch/arm/mach-omap1/gpio7xx.c                 |   3 +-
 .../mach-omap1/{include/mach => }/hardware.h  | 136 +--
 arch/arm/mach-omap1/i2c.c                     |   3 +-
 arch/arm/mach-omap1/id.c                      |   5 +-
 arch/arm/mach-omap1/include/mach/io.h         |  45 -
 arch/arm/mach-omap1/include/mach/lcdc.h       |  44 -
 arch/arm/mach-omap1/include/mach/memory.h     |  12 -
 arch/arm/mach-omap1/include/mach/uncompress.h | 117 ---
 arch/arm/mach-omap1/io.c                      |  12 +-
 arch/arm/mach-omap1/irq.c                     |   4 +-
 arch/arm/mach-omap1/{include/mach => }/irqs.h |   2 -
 arch/arm/mach-omap1/mcbsp.c                   |  17 +-
 .../mach-omap1/{include/mach => }/mtd-xip.h   |   3 +-
 arch/arm/mach-omap1/mux.c                     |   6 +-
 arch/arm/mach-omap1/mux.h                     | 144 ++++
 arch/arm/mach-omap1/ocpi.c                    |   8 +-
 .../dma.c => mach-omap1/omap-dma.c}           | 259 ++----
 .../mach-omap1/{include/mach => }/omap1510.h  |   0
 .../mach-omap1/{include/mach => }/omap16xx.h  |   0
 .../mach-omap1/{include/mach => }/omap7xx.h   |   0
 arch/arm/mach-omap1/pm.c                      |   9 +-
 arch/arm/mach-omap1/pm.h                      |   2 +
 arch/arm/mach-omap1/reset.c                   |   3 +-
 arch/arm/mach-omap1/serial.c                  |  10 +-
 .../mach-omap1/{include/mach => }/serial.h    |   0
 arch/arm/mach-omap1/sleep.S                   |   2 +-
 arch/arm/mach-omap1/soc.h                     |   6 +-
 arch/arm/mach-omap1/sram-init.c               |  91 +-
 arch/arm/mach-omap1/sram.S                    |   4 +-
 arch/arm/mach-omap1/sram.h                    |   4 +-
 arch/arm/mach-omap1/{include/mach => }/tc.h   |   2 -
 arch/arm/mach-omap1/time.c                    |   7 +-
 arch/arm/mach-omap1/timer.c                   |   1 +
 arch/arm/mach-omap1/timer32k.c                | 100 ++-
 arch/arm/mach-omap1/usb.c                     |   8 +-
 arch/arm/mach-omap1/usb.h                     |  25 +
 arch/arm/mach-omap2/Kconfig                   |  49 ++
 arch/arm/mach-omap2/sram.c                    |  91 +-
 arch/arm/mach-omap2/sram.h                    |   5 +-
 arch/arm/plat-omap/Kconfig                    | 119 ---
 arch/arm/plat-omap/Makefile                   |  13 -
 arch/arm/plat-omap/counter_32k.c              | 114 ---
 arch/arm/plat-omap/debug-leds.c               | 171 ----
 arch/arm/plat-omap/include/plat/counter-32k.h |   1 -
 arch/arm/plat-omap/include/plat/cpu.h         |  21 -
 arch/arm/plat-omap/include/plat/sram.h        |   8 -
 arch/arm/plat-omap/sram.c                     | 129 ---
 drivers/clocksource/timer-ti-dm.c             |   2 +-
 drivers/dma/ti/omap-dma.c                     |  19 +-
 drivers/input/keyboard/omap-keypad.c          |   1 +
 drivers/mmc/host/omap.c                       |  23 +-
 drivers/pcmcia/Kconfig                        |   3 +-
 drivers/pcmcia/omap_cf.c                      |  48 +-
 drivers/spi/Kconfig                           |   2 +-
 drivers/spi/spi-omap-uwire.c                  |  15 +-
 drivers/tty/serial/8250/8250.h                |   1 +
 drivers/usb/gadget/udc/omap_udc.c             |  19 +-
 drivers/usb/host/Kconfig                      |   2 +-
 drivers/usb/host/ohci-omap.c                  |  60 +-
 drivers/usb/phy/Kconfig                       |   3 +-
 drivers/usb/phy/phy-isp1301-omap.c            |   6 +-
 drivers/video/backlight/Kconfig               |   4 +-
 drivers/video/backlight/omap1_bl.c            |   4 +-
 drivers/video/fbdev/Makefile                  |   2 +-
 drivers/video/fbdev/omap/Kconfig              |   4 +-
 drivers/video/fbdev/omap/Makefile             |   5 +
 drivers/video/fbdev/omap/hwa742.c             |   6 +-
 drivers/video/fbdev/omap/lcd_ams_delta.c      |   5 +-
 .../video/fbdev/omap}/lcd_dma.c               |   7 +-
 .../video/fbdev/omap}/lcd_dma.h               |   2 -
 drivers/video/fbdev/omap/lcd_inn1510.c        |   9 +-
 drivers/video/fbdev/omap/lcd_osk.c            |   4 +-
 drivers/video/fbdev/omap/lcdc.c               |  16 +-
 drivers/video/fbdev/omap/lcdc.h               |  35 +
 drivers/video/fbdev/omap/omapfb.h             |   2 +
 drivers/video/fbdev/omap/omapfb_main.c        |  19 +-
 drivers/video/fbdev/omap/sossi.c              |   9 +-
 include/linux/omap-dma.h                      |  28 +-
 include/linux/platform_data/usb-omap1.h       |   2 +
 include/linux/soc/ti/omap1-io.h               | 143 ++++
 .../mux.h => include/linux/soc/ti/omap1-mux.h | 142 +---
 .../soc.h => include/linux/soc/ti/omap1-soc.h |  22 -
 .../usb.h => include/linux/soc/ti/omap1-usb.h |  28 +-
 sound/soc/ti/osk5912.c                        |   4 +-
 119 files changed, 1809 insertions(+), 2610 deletions(-)
 rename arch/arm/mach-omap1/{include/mach => }/hardware.h (59%)
 delete mode 100644 arch/arm/mach-omap1/include/mach/io.h
 delete mode 100644 arch/arm/mach-omap1/include/mach/lcdc.h
 delete mode 100644 arch/arm/mach-omap1/include/mach/memory.h
 delete mode 100644 arch/arm/mach-omap1/include/mach/uncompress.h
 rename arch/arm/mach-omap1/{include/mach => }/irqs.h (99%)
 rename arch/arm/mach-omap1/{include/mach => }/mtd-xip.h (97%)
 create mode 100644 arch/arm/mach-omap1/mux.h
 rename arch/arm/{plat-omap/dma.c => mach-omap1/omap-dma.c} (84%)
 rename arch/arm/mach-omap1/{include/mach => }/omap1510.h (100%)
 rename arch/arm/mach-omap1/{include/mach => }/omap16xx.h (100%)
 rename arch/arm/mach-omap1/{include/mach => }/omap7xx.h (100%)
 rename arch/arm/mach-omap1/{include/mach => }/serial.h (100%)
 rename arch/arm/mach-omap1/{include/mach => }/tc.h (98%)
 create mode 100644 arch/arm/mach-omap1/usb.h
 delete mode 100644 arch/arm/plat-omap/Kconfig
 delete mode 100644 arch/arm/plat-omap/Makefile
 delete mode 100644 arch/arm/plat-omap/counter_32k.c
 delete mode 100644 arch/arm/plat-omap/debug-leds.c
 delete mode 100644 arch/arm/plat-omap/include/plat/counter-32k.h
 delete mode 100644 arch/arm/plat-omap/include/plat/cpu.h
 delete mode 100644 arch/arm/plat-omap/include/plat/sram.h
 delete mode 100644 arch/arm/plat-omap/sram.c
 rename {arch/arm/mach-omap1 => drivers/video/fbdev/omap}/lcd_dma.c (98%)
 rename {arch/arm/mach-omap1/include/mach => drivers/video/fbdev/omap}/lcd_dma.h (98%)
 create mode 100644 include/linux/soc/ti/omap1-io.h
 rename arch/arm/mach-omap1/include/mach/mux.h => include/linux/soc/ti/omap1-mux.h (53%)
 rename arch/arm/mach-omap1/include/mach/soc.h => include/linux/soc/ti/omap1-soc.h (90%)
 rename arch/arm/mach-omap1/include/mach/usb.h => include/linux/soc/ti/omap1-usb.h (86%)

Comments

Ulf Hansson April 19, 2022, 2:15 p.m. UTC | #1
On Tue, 19 Apr 2022 at 15:37, Arnd Bergmann <arnd@kernel.org> wrote:
>
> From: Arnd Bergmann <arnd@arndb.de>
>
> This is the full series for converting OMAP1 to multiplatform, rebased
> from my 2019 attempt to do the same thing. The soc tree contains simpler
> patches to do the same for iop32x, ixp4xx, ep93xx and s3c24xx, which
> means we are getting closer to completing this for all ARMv5 platforms
> (I have patches for PXA, which is the last one remaining).
>
> Janusz already tested the branch separately and did the missing work
> for the common-clk conversion after my previous approach was broken.
>
> The fbdev, mmc and ASoC portion of Janusz' work already went into the
> corresponding maintainer tree, but I include them here for reference.
> Unless there are any objections, I would add the entire series to the
> for-next branch of the soc tree, but only send the first 36 patches early
> in the merge window. After everything else has made it in, I would rebase
> the last two patches and send them separately, which may or may not make
> it in the merge window.

Sounds like a good plan to me. I usually send the MMC pull-request on
Mondays, the first day of the merge window.

[...]

Kind regards
Uffe
Sergei Shtylyov April 20, 2022, 9:24 a.m. UTC | #2
Hello!

On 4/19/22 4:36 PM, Arnd Bergmann wrote:

> From: Arnd Bergmann <arnd@arndb.de>
> 
> A recent cleanup patch removed the only reference to a local variable
> in some configurations.
> 
> Move the variable into the one block it is still used in, inside
> of an #ifdef, to avoid this warning.
> 
> Fixes: 9d773f103b89 ("video: fbdev: omapfb: lcd_ams_delta: Make use of the helper function dev_err_probe()")
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> ---
>  drivers/video/fbdev/omap/lcd_ams_delta.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/video/fbdev/omap/lcd_ams_delta.c b/drivers/video/fbdev/omap/lcd_ams_delta.c
> index bbf871f9d862..01944ce46aa1 100644
> --- a/drivers/video/fbdev/omap/lcd_ams_delta.c
> +++ b/drivers/video/fbdev/omap/lcd_ams_delta.c
[...]
> @@ -145,7 +144,7 @@ static int ams_delta_panel_probe(struct platform_device *pdev)
>  						&ams_delta_lcd_ops);
>  
>  	if (IS_ERR(lcd_device)) {
> -		ret = PTR_ERR(lcd_device);
> +		int ret = PTR_ERR(lcd_device);

   How about inserting an empty line after declaration?

>  		dev_err(&pdev->dev, "failed to register device\n");
>  		return ret;
>  	}

MBR, Sergey
Arnd Bergmann April 20, 2022, 11:32 a.m. UTC | #3
On Wed, Apr 20, 2022 at 11:24 AM Sergei Shtylyov
<sergei.shtylyov@gmail.com> wrote:
> On 4/19/22 4:36 PM, Arnd Bergmann wrote:
>
> > From: Arnd Bergmann <arnd@arndb.de>
> >
> > A recent cleanup patch removed the only reference to a local variable
> > in some configurations.
> >
> > Move the variable into the one block it is still used in, inside
> > of an #ifdef, to avoid this warning.
> >
> > Fixes: 9d773f103b89 ("video: fbdev: omapfb: lcd_ams_delta: Make use of the helper function dev_err_probe()")
> > Signed-off-by: Arnd Bergmann <arnd@arndb.de>
> > ---
> >  drivers/video/fbdev/omap/lcd_ams_delta.c | 3 +--
> >  1 file changed, 1 insertion(+), 2 deletions(-)
> >
> > diff --git a/drivers/video/fbdev/omap/lcd_ams_delta.c b/drivers/video/fbdev/omap/lcd_ams_delta.c
> > index bbf871f9d862..01944ce46aa1 100644
> > --- a/drivers/video/fbdev/omap/lcd_ams_delta.c
> > +++ b/drivers/video/fbdev/omap/lcd_ams_delta.c
> [...]
> > @@ -145,7 +144,7 @@ static int ams_delta_panel_probe(struct platform_device *pdev)
> >                                               &ams_delta_lcd_ops);
> >
> >       if (IS_ERR(lcd_device)) {
> > -             ret = PTR_ERR(lcd_device);
> > +             int ret = PTR_ERR(lcd_device);
>
>    How about inserting an empty line after declaration?

Ok, done.

        Arnd
Greg KH April 20, 2022, 2:46 p.m. UTC | #4
On Tue, Apr 19, 2022 at 03:36:56PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> As a preparation for cleaning up the omap1 headers, start
> including linux/soc/ti/omap1-soc.h directly so we can
> keep calling cpu_is_omap1510().
> 
> Signed-off-by: Arnd Bergmann <arnd@arndb.de>

Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Aaro Koskinen April 20, 2022, 5:08 p.m. UTC | #5
Hi,

On Tue, Apr 19, 2022 at 03:36:42PM +0200, Arnd Bergmann wrote:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> This is the full series for converting OMAP1 to multiplatform, rebased
> from my 2019 attempt to do the same thing. The soc tree contains simpler
> patches to do the same for iop32x, ixp4xx, ep93xx and s3c24xx, which
> means we are getting closer to completing this for all ARMv5 platforms
> (I have patches for PXA, which is the last one remaining).
> 
> Janusz already tested the branch separately and did the missing work
> for the common-clk conversion after my previous approach was broken.

I tested the full series on the following OMAP1 boards: ams-delta,
nokia770, osk, palmte and sx1 (QEMU only).

Apart from the earlyprintk breakage, everything seemed to work OK.

A minor note, zImage grows about 50 KB with a minimal kernel config. This
is not yet critical, there's still about 7% headroom on 770 to the 2 MB
bootloader limit on my setup. Also the decompression time is approaching
the hardcoded watchdog timeout...

A.
Arnd Bergmann April 20, 2022, 8 p.m. UTC | #6
On Wed, Apr 20, 2022 at 7:08 PM Aaro Koskinen <aaro.koskinen@iki.fi> wrote:
> On Tue, Apr 19, 2022 at 03:36:42PM +0200, Arnd Bergmann wrote:
> > From: Arnd Bergmann <arnd@arndb.de>
> >
> > This is the full series for converting OMAP1 to multiplatform, rebased
> > from my 2019 attempt to do the same thing. The soc tree contains simpler
> > patches to do the same for iop32x, ixp4xx, ep93xx and s3c24xx, which
> > means we are getting closer to completing this for all ARMv5 platforms
> > (I have patches for PXA, which is the last one remaining).
> >
> > Janusz already tested the branch separately and did the missing work
> > for the common-clk conversion after my previous approach was broken.
>
> I tested the full series on the following OMAP1 boards: ams-delta,
> nokia770, osk, palmte and sx1 (QEMU only).
>
> Apart from the earlyprintk breakage, everything seemed to work OK.

Nice, thanks a lot for testing!

> A minor note, zImage grows about 50 KB with a minimal kernel config. This
> is not yet critical, there's still about 7% headroom on 770 to the 2 MB
> bootloader limit on my setup. Also the decompression time is approaching
> the hardcoded watchdog timeout...

I suspect that most of this is for the added devicetree code, and some
more for the common-clk layer. For the omap1_defconfig, there is some
hope to get part of the overhead back eventually by replacing board files
with dts descriptions that are not part of the zImage itself, but it's unlikely
to ever get smaller than it was.

       Arnd
Tony Lindgren April 21, 2022, 6:24 a.m. UTC | #7
* Arnd Bergmann <arnd@kernel.org> [220419 13:39]:
> From: Janusz Krzysztofik <jmkrzyszt@gmail.com>
> +	/* protect clk->enable_reg from concurrent access via clk_set_rate() */
> +	if (clk->enable_reg == OMAP1_IO_ADDRESS(ARM_CKCTL))
> +		spin_lock_irqsave(&arm_ckctl_lock, flags);
> +	else if (clk->enable_reg == OMAP1_IO_ADDRESS(ARM_IDLECT2))
> +		spin_lock_irqsave(&arm_idlect2_lock, flags);
> +	else if (clk->enable_reg == OMAP1_IO_ADDRESS(MOD_CONF_CTRL_0))
> +		spin_lock_irqsave(&mod_conf_ctrl_0_lock, flags);
> +	else if (clk->enable_reg == OMAP1_IO_ADDRESS(MOD_CONF_CTRL_1))
> +		spin_lock_irqsave(&mod_conf_ctrl_1_lock, flags);
> +	else if (clk->enable_reg == OMAP1_IO_ADDRESS(SWD_CLK_DIV_CTRL_SEL))
> +		spin_lock_irqsave(&swd_clk_div_ctrl_sel_lock, flags);
> +

Eventually there should be just separate clock controller instances for
the clock registers banks, and then this should all disappear as the
lock is instance specific. Anyways, that's probably best done as a separate
changes later on.

Regards,

Tony
Tony Lindgren April 21, 2022, 6:27 a.m. UTC | #8
* Ulf Hansson <ulf.hansson@linaro.org> [220419 14:12]:
> On Tue, 19 Apr 2022 at 15:37, Arnd Bergmann <arnd@kernel.org> wrote:
> >
> > From: Arnd Bergmann <arnd@arndb.de>
> >
> > This is the full series for converting OMAP1 to multiplatform, rebased
> > from my 2019 attempt to do the same thing. The soc tree contains simpler
> > patches to do the same for iop32x, ixp4xx, ep93xx and s3c24xx, which
> > means we are getting closer to completing this for all ARMv5 platforms
> > (I have patches for PXA, which is the last one remaining).
> >
> > Janusz already tested the branch separately and did the missing work
> > for the common-clk conversion after my previous approach was broken.
> >
> > The fbdev, mmc and ASoC portion of Janusz' work already went into the
> > corresponding maintainer tree, but I include them here for reference.
> > Unless there are any objections, I would add the entire series to the
> > for-next branch of the soc tree, but only send the first 36 patches early
> > in the merge window. After everything else has made it in, I would rebase
> > the last two patches and send them separately, which may or may not make
> > it in the merge window.
> 
> Sounds like a good plan to me. I usually send the MMC pull-request on
> Mondays, the first day of the merge window.

Sounds good to me. I tested the current omap1-multiplatform-5.18 branch
from mach-omap2 point of view, and things seem to work just fine for me.
I don't currently have any omap1 hardware online to test with.

For the patches, please feel free to add:

Acked-by: Tony Lindgren <tony@atomide.com>
Tony Lindgren April 21, 2022, 6:32 a.m. UTC | #9
* Arnd Bergmann <arnd@kernel.org> [220419 13:37]:
> From: Arnd Bergmann <arnd@arndb.de>
> 
> The sram initialization code is the only shared omap1/2 code that
> is not a standalone driver, but it is very short. Having two copies
> of this code means some duplication of the sources, but actually
> saves object code size as it can be inlined better.

FYI, the sram code should eventually be updated to use drivers/misc/sram.c,
I recall there being some issues to deal with for PM related code though.
Probably the PM related save and restore could be now handled with cpu_pm.

Regards,

Tony
Aaro Koskinen April 21, 2022, 1:34 p.m. UTC | #10
Hi,

On Wed, Apr 20, 2022 at 10:00:13PM +0200, Arnd Bergmann wrote:
> On Wed, Apr 20, 2022 at 7:08 PM Aaro Koskinen <aaro.koskinen@iki.fi> wrote:
> > On Tue, Apr 19, 2022 at 03:36:42PM +0200, Arnd Bergmann wrote:
> > > From: Arnd Bergmann <arnd@arndb.de>
> > >
> > > This is the full series for converting OMAP1 to multiplatform, rebased
> > > from my 2019 attempt to do the same thing. The soc tree contains simpler
> > > patches to do the same for iop32x, ixp4xx, ep93xx and s3c24xx, which
> > > means we are getting closer to completing this for all ARMv5 platforms
> > > (I have patches for PXA, which is the last one remaining).
> > >
> > > Janusz already tested the branch separately and did the missing work
> > > for the common-clk conversion after my previous approach was broken.
> >
> > I tested the full series on the following OMAP1 boards: ams-delta,
> > nokia770, osk, palmte and sx1 (QEMU only).
> >
> > Apart from the earlyprintk breakage, everything seemed to work OK.
> 
> Nice, thanks a lot for testing!

With the updated patch 26 also earlyprintk now works, so if you still
update the patches, feel free to add for the whole series:

Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>

Thanks,

A.
Arnd Bergmann April 21, 2022, 2:46 p.m. UTC | #11
On Thu, Apr 21, 2022 at 3:34 PM Aaro Koskinen <aaro.koskinen@iki.fi> wrote:
>
> Hi,
>
> On Wed, Apr 20, 2022 at 10:00:13PM +0200, Arnd Bergmann wrote:
> > On Wed, Apr 20, 2022 at 7:08 PM Aaro Koskinen <aaro.koskinen@iki.fi> wrote:
> > > On Tue, Apr 19, 2022 at 03:36:42PM +0200, Arnd Bergmann wrote:
> > > > From: Arnd Bergmann <arnd@arndb.de>
> > > >
> > > > This is the full series for converting OMAP1 to multiplatform, rebased
> > > > from my 2019 attempt to do the same thing. The soc tree contains simpler
> > > > patches to do the same for iop32x, ixp4xx, ep93xx and s3c24xx, which
> > > > means we are getting closer to completing this for all ARMv5 platforms
> > > > (I have patches for PXA, which is the last one remaining).
> > > >
> > > > Janusz already tested the branch separately and did the missing work
> > > > for the common-clk conversion after my previous approach was broken.
> > >
> > > I tested the full series on the following OMAP1 boards: ams-delta,
> > > nokia770, osk, palmte and sx1 (QEMU only).
> > >
> > > Apart from the earlyprintk breakage, everything seemed to work OK.
> >
> > Nice, thanks a lot for testing!
>
> With the updated patch 26 also earlyprintk now works, so if you still
> update the patches, feel free to add for the whole series:
>
> Tested-by: Aaro Koskinen <aaro.koskinen@iki.fi>

I was just doing the merge, so I added the tag to the commit now.

There is now an "omap1/multiplatform-prep" branch that is part of
arm/multiplatform, and I hope to not have to rebase that. I also
have an arm/multiplatform-late branch with the remaining contents.

       Arnd