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From: Maxime Ripard <maxime.ripard@bootlin.com>
To: Jagan Teki <jagan@amarulasolutions.com>
Cc: Chen-Yu Tsai <wens@csie.org>, Icenowy Zheng <icenowy@aosc.io>,
	Jernej Skrabec <jernej.skrabec@siol.net>,
	Vasily Khoruzhick <anarsoul@gmail.com>,
	Rob Herring <robh+dt@kernel.org>,
	Mark Rutland <mark.rutland@arm.com>,
	Catalin Marinas <catalin.marinas@arm.com>,
	Will Deacon <will.deacon@arm.com>,
	David Airlie <airlied@linux.ie>,
	dri-devel@lists.freedesktop.org,
	Michael Turquette <mturquette@baylibre.com>,
	Stephen Boyd <sboyd@kernel.org>,
	linux-clk@vger.kernel.org,
	Michael Trimarchi <michael@amarulasolutions.com>,
	linux-arm-kernel@lists.infradead.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org, linux-sunxi@googlegroups.com,
	linux-amarula@amarulasolutions.com
Subject: Re: [PATCH v4 03/26] clk: sunxi-ng: Add check for maximum rate to NKM PLLs
Date: Tue, 13 Nov 2018 14:26:58 +0100	[thread overview]
Message-ID: <20181113132658.niwy6bqdqzaeqpv2@flea> (raw)
In-Reply-To: <20181113111633.20189-4-jagan@amarulasolutions.com>

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On Tue, Nov 13, 2018 at 04:46:10PM +0530, Jagan Teki wrote:
> Some NKM PLLs, frequency can be set above PLL working range.
> 
> Add a constraint for maximum supported rate. This way, drivers can
> specify which is maximum allowed rate for PLL.
> 
> Signed-off-by: Jagan Teki <jagan@amarulasolutions.com>
> Acked-by: Stephen Boyd <sboyd@kernel.org>

As Vasily reported on a previous version, this should be squashed with
the patch 2.

> ---
>  drivers/clk/sunxi-ng/ccu_nkm.c | 3 +++
>  drivers/clk/sunxi-ng/ccu_nkm.h | 1 +
>  2 files changed, 4 insertions(+)
> 
> diff --git a/drivers/clk/sunxi-ng/ccu_nkm.c b/drivers/clk/sunxi-ng/ccu_nkm.c
> index 6b5ad990f802..b8b66cdd30bf 100644
> --- a/drivers/clk/sunxi-ng/ccu_nkm.c
> +++ b/drivers/clk/sunxi-ng/ccu_nkm.c
> @@ -128,6 +128,9 @@ static unsigned long ccu_nkm_round_rate(struct ccu_mux_internal *mux,
>  	if (rate < nkm->min_rate)
>  		return nkm->min_rate;
>  
> +	if (nkm->max_rate && rate > nkm->max_rate)
> +		return nkm->max_rate;
> +

I would expect the test to be the same for the minimum and maximum cases.

Maxime

-- 
Maxime Ripard, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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  reply	other threads:[~2018-11-13 13:27 UTC|newest]

Thread overview: 49+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-13 11:16 [PATCH v4 00/26] drm/sun4i: Allwinner A64 MIPI-DSI support Jagan Teki
2018-11-13 11:16 ` [PATCH v4 01/26] clk: sunxi-ng: a64: Fix gate bit of DSI DPHY Jagan Teki
2018-11-13 13:08   ` Maxime Ripard
2018-11-13 11:16 ` [PATCH v4 02/26] clk: sunxi-ng: Add check for minimal rate to NKM PLLs Jagan Teki
2018-11-13 11:16 ` [PATCH v4 03/26] clk: sunxi-ng: Add check for maximum " Jagan Teki
2018-11-13 13:26   ` Maxime Ripard [this message]
2018-11-15 15:21     ` Jagan Teki
2018-11-20 10:55       ` Maxime Ripard
2018-11-20 12:07         ` Jagan Teki
2018-11-13 11:16 ` [PATCH v4 04/26] drm/sun4i: sun6i_mipi_dsi: Add has_mod_clk quirk Jagan Teki
2018-11-13 11:16 ` [PATCH v4 05/26] drm/sun4i: sun6i_mipi_dsi: Add Allwinner A64 MIPI DSI support Jagan Teki
2018-11-13 11:16 ` [PATCH v4 06/26] dt-bindings: sun6i-dsi: Add compatible for A64 MIPI DSI Jagan Teki
2018-11-13 11:16 ` [PATCH v4 07/26] drm/sun4i: sun6i_mipi_dsi: Add DSI Generic short write 2 param transfer Jagan Teki
2018-11-13 11:16 ` [PATCH v4 08/26] drm/sun4i: sun6i_mipi_dsi: Fix VBP size calculation Jagan Teki
2018-11-15  9:55   ` Maxime Ripard
2018-11-15 17:49     ` Jagan Teki
2018-11-20 15:57       ` Maxime Ripard
2018-11-20 16:25         ` Jagan Teki
2018-11-26 12:07           ` [linux-sunxi] " Jagan Teki
2018-11-27 10:25             ` Maxime Ripard
2018-11-27 10:24           ` Maxime Ripard
2018-11-27 11:04             ` [linux-sunxi] " Jagan Teki
2018-12-07 13:21               ` Maxime Ripard
2018-12-10 16:07                 ` Jagan Teki
2018-11-13 11:16 ` [PATCH v4 09/26] drm/sun4i: sun6i_mipi_dsi: Fix TCON DRQ set bits Jagan Teki
2018-11-13 11:16 ` [PATCH v4 10/26] drm/sun4i: sun6i_mipi_dsi: Refactor vertical video start delay Jagan Teki
2018-11-13 11:16 ` [PATCH v4 11/26] drm/sun4i: sun6i_mipi_dsi: Fix DSI hbp timing value Jagan Teki
2018-11-13 11:16 ` [PATCH v4 12/26] drm/sun4i: sun6i_mipi_dsi: Fix DSI hblk timing calculation Jagan Teki
2018-11-13 11:16 ` [PATCH v4 13/26] drm/sun4i: sun6i_mipi_dsi: Add DSI hblk packet overhead Jagan Teki
2018-11-13 11:16 ` [PATCH v4 14/26] drm/sun4i: sun6i_mipi_dsi: Fix DSI hfp timing value Jagan Teki
2018-11-13 11:16 ` [PATCH v4 15/26] drm/sun4i: sun6i_mipi_dsi: Set proper vblk timing calculation Jagan Teki
2018-11-13 11:16 ` [PATCH v4 16/26] drm/sun4i: sun6i_mipi_dsi: Add support for VCC-DSI voltage regulator Jagan Teki
2018-11-13 11:16 ` [PATCH v4 17/26] dt-bindings: sun6i-dsi: Add VCC-DSI supply property Jagan Teki
2018-11-16 23:19   ` Rob Herring
2018-11-13 11:16 ` [PATCH v4 18/26] dt-bindings: panel: Add Bananapi S070WV20-CT16 ICN6211 MIPI-DSI to RGB bridge Jagan Teki
2018-11-13 11:16 ` [PATCH v4 19/26] drm/panel: " Jagan Teki
2018-11-13 11:16 ` [PATCH v4 20/26] dt-bindings: panel: Add Techstar TS8550B MIPI-DSI panel Jagan Teki
2018-11-13 11:16 ` [PATCH v4 21/26] drm/panel: Add Techstar TS8550B MIPI-DSI LCD panel Jagan Teki
2018-11-13 11:16 ` [PATCH v4 22/26] clk: sunxi-ng: a64: Add min and max rate for PLL_MIPI Jagan Teki
2018-11-13 11:16 ` [PATCH v4 23/26] dt-bindings: sun6i-dsi: Add compatible for A64 DPHY Jagan Teki
2018-11-13 11:16 ` [PATCH v4 24/26] arm64: dts: allwinner: a64: Add DSI pipeline Jagan Teki
2018-11-13 11:16 ` [PATCH v4 25/26] [DO NOT MERGE] arm64: dts: allwinner: bananapi-m64: Bananapi S070WV20-CT16 DSI panel Jagan Teki
2018-11-13 12:22   ` Andre Przywara
2018-11-14  6:31     ` Jagan Teki
2018-11-14  6:58       ` Chen-Yu Tsai
2018-11-14  9:22         ` Chen-Yu Tsai
2018-11-14 11:18           ` Jagan Teki
2018-11-13 11:16 ` [PATCH v4 26/26] arm64: dts: allwinner: a64-amarula-relic: Enable Techstar TS8550B MIPI-DSI panel Jagan Teki
2018-11-13 12:32   ` Andre Przywara

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