* [PATCH] clk: renesas: r9a07g043: Drop WDT2 clock and reset entry
@ 2022-10-09 23:12 Prabhakar
2022-10-10 6:56 ` Wolfram Sang
2022-10-11 8:24 ` Geert Uytterhoeven
0 siblings, 2 replies; 3+ messages in thread
From: Prabhakar @ 2022-10-09 23:12 UTC (permalink / raw)
To: Geert Uytterhoeven, Michael Turquette, Stephen Boyd
Cc: linux-renesas-soc, linux-clk, linux-kernel, Prabhakar, Biju Das,
Lad Prabhakar
From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
used from CA55 CPU would result in an unexpected behaviour. Hence drop
WDT2 clock and reset entries.
Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
---
drivers/clk/renesas/r9a07g043-cpg.c | 5 -----
1 file changed, 5 deletions(-)
diff --git a/drivers/clk/renesas/r9a07g043-cpg.c b/drivers/clk/renesas/r9a07g043-cpg.c
index 37475465100d..99f72bf590fa 100644
--- a/drivers/clk/renesas/r9a07g043-cpg.c
+++ b/drivers/clk/renesas/r9a07g043-cpg.c
@@ -158,10 +158,6 @@ static struct rzg2l_mod_clk r9a07g043_mod_clks[] = {
0x548, 0),
DEF_MOD("wdt0_clk", R9A07G043_WDT0_CLK, R9A07G043_OSCCLK,
0x548, 1),
- DEF_MOD("wdt2_pclk", R9A07G043_WDT2_PCLK, R9A07G043_CLK_P0,
- 0x548, 4),
- DEF_MOD("wdt2_clk", R9A07G043_WDT2_CLK, R9A07G043_OSCCLK,
- 0x548, 5),
DEF_MOD("spi_clk2", R9A07G043_SPI_CLK2, R9A07G043_CLK_SPI1,
0x550, 0),
DEF_MOD("spi_clk", R9A07G043_SPI_CLK, R9A07G043_CLK_SPI0,
@@ -269,7 +265,6 @@ static struct rzg2l_reset r9a07g043_resets[] = {
DEF_RST(R9A07G043_OSTM1_PRESETZ, 0x834, 1),
DEF_RST(R9A07G043_OSTM2_PRESETZ, 0x834, 2),
DEF_RST(R9A07G043_WDT0_PRESETN, 0x848, 0),
- DEF_RST(R9A07G043_WDT2_PRESETN, 0x848, 2),
DEF_RST(R9A07G043_SPI_RST, 0x850, 0),
DEF_RST(R9A07G043_SDHI0_IXRST, 0x854, 0),
DEF_RST(R9A07G043_SDHI1_IXRST, 0x854, 1),
--
2.25.1
^ permalink raw reply related [flat|nested] 3+ messages in thread
* Re: [PATCH] clk: renesas: r9a07g043: Drop WDT2 clock and reset entry
2022-10-09 23:12 [PATCH] clk: renesas: r9a07g043: Drop WDT2 clock and reset entry Prabhakar
@ 2022-10-10 6:56 ` Wolfram Sang
2022-10-11 8:24 ` Geert Uytterhoeven
1 sibling, 0 replies; 3+ messages in thread
From: Wolfram Sang @ 2022-10-10 6:56 UTC (permalink / raw)
To: Prabhakar
Cc: Geert Uytterhoeven, Michael Turquette, Stephen Boyd,
linux-renesas-soc, linux-clk, linux-kernel, Biju Das,
Lad Prabhakar
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On Mon, Oct 10, 2022 at 12:12:53AM +0100, Prabhakar wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
> used from CA55 CPU would result in an unexpected behaviour. Hence drop
> WDT2 clock and reset entries.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
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^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [PATCH] clk: renesas: r9a07g043: Drop WDT2 clock and reset entry
2022-10-09 23:12 [PATCH] clk: renesas: r9a07g043: Drop WDT2 clock and reset entry Prabhakar
2022-10-10 6:56 ` Wolfram Sang
@ 2022-10-11 8:24 ` Geert Uytterhoeven
1 sibling, 0 replies; 3+ messages in thread
From: Geert Uytterhoeven @ 2022-10-11 8:24 UTC (permalink / raw)
To: Prabhakar
Cc: Michael Turquette, Stephen Boyd, linux-renesas-soc, linux-clk,
linux-kernel, Biju Das, Lad Prabhakar
On Mon, Oct 10, 2022 at 1:13 AM Prabhakar <prabhakar.csengg@gmail.com> wrote:
> From: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
>
> WDT CH2 is specifically to check the operation of Cortex-M33 CPU and if
> used from CA55 CPU would result in an unexpected behaviour. Hence drop
> WDT2 clock and reset entries.
>
> Signed-off-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be>
i.e. will queue in renesas-clk-for-v6.2.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- geert@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
^ permalink raw reply [flat|nested] 3+ messages in thread
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2022-10-09 23:12 [PATCH] clk: renesas: r9a07g043: Drop WDT2 clock and reset entry Prabhakar
2022-10-10 6:56 ` Wolfram Sang
2022-10-11 8:24 ` Geert Uytterhoeven
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