From: Romain Izard <romain.izard.pro@gmail.com> To: Nicolas Ferre <nicolas.ferre@microchip.com>, Boris Brezillon <boris.brezillon@free-electrons.com>, Michael Turquette <mturquette@baylibre.com>, Stephen Boyd <sboyd@codeaurora.org>, Ludovic Desroches <ludovic.desroches@microchip.com>, Jonathan Cameron <jic23@kernel.org>, Wenyou Yang <wenyou.yang@atmel.com>, Josh Wu <rainyfeeling@outlook.com>, David Woodhouse <dwmw2@infradead.org>, Brian Norris <computersforpeace@gmail.com>, Marek Vasut <marek.vasut@gmail.com>, Cyrille Pitchen <cyrille.pitchen@wedev4u.fr>, Thierry Reding <thierry.reding@gmail.com>, Richard Genoud <richard.genoud@gmail.com>, Greg Kroah-Hartman <gregkh@linuxfoundation.org>, Alan Stern <stern@rowland.harvard.edu> Cc: linux-clk@vger.kernel.org, linux-kernel@vger.kernel.org, linux-iio@vger.kernel.org, linux-mtd@lists.infradead.org, linux-pwm@vger.kernel.org, linux-serial@vger.kernel.org, linux-usb@vger.kernel.org, linux-arm-kernel@lists.infradead.org, Romain Izard <romain.izard@mobile-devices.fr>, Romain Izard <romain.izard.pro@gmail.com> Subject: [PATCH v1 03/10] clk: at91: pmc: Support backup for programmable clocks Date: Fri, 8 Sep 2017 17:35:57 +0200 [thread overview] Message-ID: <20170908153604.28383-4-romain.izard.pro@gmail.com> (raw) In-Reply-To: <20170908153604.28383-1-romain.izard.pro@gmail.com> From: Romain Izard <romain.izard@mobile-devices.fr> Save and restore the System Clock and Programmable Clock register for the backup use case. Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> --- drivers/clk/at91/pmc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index 07dc2861ad3f..5421b03553ec 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -66,6 +66,7 @@ static struct u32 pcr[PMC_MAX_IDS]; u32 audio_pll0; u32 audio_pll1; + u32 pckr[3]; } pmc_cache; void pmc_register_id(u8 id) @@ -103,6 +104,8 @@ static int pmc_suspend(void) regmap_read(pmcreg, AT91_PMC_PCR, &pmc_cache.pcr[registered_ids[i]]); } + for (i = 0; i < 3; i++) + regmap_read(pmcreg, AT91_PMC_PCKR(i), &pmc_cache.pckr[i]); return 0; } @@ -143,6 +146,8 @@ static void pmc_resume(void) pmc_cache.pcr[registered_ids[i]] | AT91_PMC_PCR_CMD); } + for (i = 0; i < 3; i++) + regmap_write(pmcreg, AT91_PMC_PCKR(i), pmc_cache.pckr[i]); if (pmc_cache.uckr & AT91_PMC_UPLLEN) mask |= AT91_PMC_LOCKU; -- 2.11.0
WARNING: multiple messages have this Message-ID (diff)
From: romain.izard.pro@gmail.com (Romain Izard) To: linux-arm-kernel@lists.infradead.org Subject: [PATCH v1 03/10] clk: at91: pmc: Support backup for programmable clocks Date: Fri, 8 Sep 2017 17:35:57 +0200 [thread overview] Message-ID: <20170908153604.28383-4-romain.izard.pro@gmail.com> (raw) In-Reply-To: <20170908153604.28383-1-romain.izard.pro@gmail.com> From: Romain Izard <romain.izard@mobile-devices.fr> Save and restore the System Clock and Programmable Clock register for the backup use case. Signed-off-by: Romain Izard <romain.izard.pro@gmail.com> --- drivers/clk/at91/pmc.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/clk/at91/pmc.c b/drivers/clk/at91/pmc.c index 07dc2861ad3f..5421b03553ec 100644 --- a/drivers/clk/at91/pmc.c +++ b/drivers/clk/at91/pmc.c @@ -66,6 +66,7 @@ static struct u32 pcr[PMC_MAX_IDS]; u32 audio_pll0; u32 audio_pll1; + u32 pckr[3]; } pmc_cache; void pmc_register_id(u8 id) @@ -103,6 +104,8 @@ static int pmc_suspend(void) regmap_read(pmcreg, AT91_PMC_PCR, &pmc_cache.pcr[registered_ids[i]]); } + for (i = 0; i < 3; i++) + regmap_read(pmcreg, AT91_PMC_PCKR(i), &pmc_cache.pckr[i]); return 0; } @@ -143,6 +146,8 @@ static void pmc_resume(void) pmc_cache.pcr[registered_ids[i]] | AT91_PMC_PCR_CMD); } + for (i = 0; i < 3; i++) + regmap_write(pmcreg, AT91_PMC_PCKR(i), pmc_cache.pckr[i]); if (pmc_cache.uckr & AT91_PMC_UPLLEN) mask |= AT91_PMC_LOCKU; -- 2.11.0
next prev parent reply other threads:[~2017-09-08 15:39 UTC|newest] Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top 2017-09-08 15:35 [PATCH v1 00/10] Various patches for SAMA5D2 backup mode Romain Izard 2017-09-08 15:35 ` Romain Izard 2017-09-08 15:35 ` [PATCH v1 01/10] clk: at91: pmc: Wait for clocks when resuming Romain Izard 2017-09-08 15:35 ` Romain Izard 2017-09-13 12:15 ` Nicolas Ferre 2017-09-13 12:15 ` Nicolas Ferre 2017-09-13 12:15 ` Nicolas Ferre 2017-09-14 16:15 ` Romain Izard 2017-09-14 16:15 ` Romain Izard 2017-09-14 16:15 ` Romain Izard 2017-09-22 12:12 ` Nicolas Ferre 2017-09-22 12:12 ` Nicolas Ferre 2017-09-22 12:12 ` Nicolas Ferre 2017-09-08 15:35 ` [PATCH v1 02/10] clk: at91: pmc: Save SCSR during suspend Romain Izard 2017-09-08 15:35 ` Romain Izard 2017-09-08 15:35 ` Romain Izard 2017-09-13 12:10 ` Nicolas Ferre 2017-09-13 12:10 ` Nicolas Ferre 2017-09-13 12:10 ` Nicolas Ferre 2017-09-08 15:35 ` Romain Izard [this message] 2017-09-08 15:35 ` [PATCH v1 03/10] clk: at91: pmc: Support backup for programmable clocks Romain Izard 2017-09-13 12:29 ` Nicolas Ferre 2017-09-13 12:29 ` Nicolas Ferre 2017-09-13 12:29 ` Nicolas Ferre 2017-09-13 17:03 ` Alexandre Belloni 2017-09-13 17:03 ` Alexandre Belloni 2017-09-13 17:03 ` Alexandre Belloni 2017-09-14 7:41 ` romain izard 2017-09-14 7:41 ` romain izard 2017-09-14 7:41 ` romain izard 2017-09-14 9:38 ` Nicolas Ferre 2017-09-14 9:38 ` Nicolas Ferre 2017-09-14 9:38 ` Nicolas Ferre 2017-09-08 15:35 ` [PATCH v1 04/10] mtd: nand: atmel: Avoid ECC errors when leaving backup mode Romain Izard 2017-09-08 15:35 ` Romain Izard 2017-09-08 15:35 ` [PATCH v1 05/10] mtd: nand: atmel: Report PMECC failures as errors Romain Izard 2017-09-08 15:35 ` Romain Izard 2017-09-08 15:36 ` [PATCH v1 06/10] ehci-atmel: Power down during suspend is normal Romain Izard 2017-09-08 15:36 ` Romain Izard 2017-09-08 15:36 ` [PATCH v1 07/10] iio:adc:at91-sama5d2: Support backup mode Romain Izard 2017-09-08 15:36 ` Romain Izard 2017-09-08 16:03 ` Nicolas Ferre 2017-09-08 16:03 ` Nicolas Ferre 2017-09-08 16:03 ` Nicolas Ferre 2017-09-08 16:21 ` Romain Izard 2017-09-08 16:21 ` Romain Izard 2017-09-08 16:21 ` Romain Izard 2017-09-08 15:36 ` [PATCH v1 08/10] pwm: atmel-tcb: " Romain Izard 2017-09-08 15:36 ` Romain Izard 2017-09-08 15:36 ` Romain Izard 2017-09-08 15:36 ` [PATCH v1 09/10] atmel_flexcom: " Romain Izard 2017-09-08 15:36 ` Romain Izard 2017-09-08 15:36 ` [PATCH v1 10/10] tty/serial: atmel: Prevent a warning on suspend Romain Izard 2017-09-08 15:36 ` Romain Izard 2017-09-08 15:36 ` Romain Izard 2017-09-11 9:52 ` Romain Izard 2017-09-11 9:52 ` Romain Izard 2017-09-11 9:52 ` Romain Izard
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