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From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Eugen.Hristev@microchip.com
Cc: mturquette@baylibre.com, sboyd@kernel.org,
	linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Nicolas.Ferre@microchip.com
Subject: Re: [PATCH] clk: at91: sam9x60: fix programmable clock
Date: Tue, 24 Sep 2019 14:00:18 +0200	[thread overview]
Message-ID: <20190924120018.GA4757@piout.net> (raw)
In-Reply-To: <1569321191-27606-1-git-send-email-eugen.hristev@microchip.com>

On 24/09/2019 10:39:09+0000, Eugen.Hristev@microchip.com wrote:
> From: Eugen Hristev <eugen.hristev@microchip.com>
> 
> The prescaler mask for sam9x60 must be 0xff (8 bits).
> Being set to 0, means that we cannot set any prescaler, thus the
> programmable clocks do not work (except the case with prescaler 0)
> Set the mask accordingly in layout struct.
> 
> Fixes: 01e2113de9a5 ("clk: at91: add sam9x60 pmc driver")
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> ---
>  drivers/clk/at91/sam9x60.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
> index 9790ddf..86238d5 100644
> --- a/drivers/clk/at91/sam9x60.c
> +++ b/drivers/clk/at91/sam9x60.c
> @@ -43,6 +43,7 @@ static const struct clk_pll_characteristics upll_characteristics = {
>  };
>  
>  static const struct clk_programmable_layout sam9x60_programmable_layout = {
> +	.pres_mask = 0xff,
>  	.pres_shift = 8,
>  	.css_mask = 0x1f,
>  	.have_slck_mck = 0,
> -- 
> 2.7.4
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

WARNING: multiple messages have this Message-ID (diff)
From: Alexandre Belloni <alexandre.belloni@bootlin.com>
To: Eugen.Hristev@microchip.com
Cc: sboyd@kernel.org, mturquette@baylibre.com,
	linux-kernel@vger.kernel.org, linux-clk@vger.kernel.org,
	linux-arm-kernel@lists.infradead.org
Subject: Re: [PATCH] clk: at91: sam9x60: fix programmable clock
Date: Tue, 24 Sep 2019 14:00:18 +0200	[thread overview]
Message-ID: <20190924120018.GA4757@piout.net> (raw)
In-Reply-To: <1569321191-27606-1-git-send-email-eugen.hristev@microchip.com>

On 24/09/2019 10:39:09+0000, Eugen.Hristev@microchip.com wrote:
> From: Eugen Hristev <eugen.hristev@microchip.com>
> 
> The prescaler mask for sam9x60 must be 0xff (8 bits).
> Being set to 0, means that we cannot set any prescaler, thus the
> programmable clocks do not work (except the case with prescaler 0)
> Set the mask accordingly in layout struct.
> 
> Fixes: 01e2113de9a5 ("clk: at91: add sam9x60 pmc driver")
> Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
Acked-by: Alexandre Belloni <alexandre.belloni@bootlin.com>

> ---
>  drivers/clk/at91/sam9x60.c | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/drivers/clk/at91/sam9x60.c b/drivers/clk/at91/sam9x60.c
> index 9790ddf..86238d5 100644
> --- a/drivers/clk/at91/sam9x60.c
> +++ b/drivers/clk/at91/sam9x60.c
> @@ -43,6 +43,7 @@ static const struct clk_pll_characteristics upll_characteristics = {
>  };
>  
>  static const struct clk_programmable_layout sam9x60_programmable_layout = {
> +	.pres_mask = 0xff,
>  	.pres_shift = 8,
>  	.css_mask = 0x1f,
>  	.have_slck_mck = 0,
> -- 
> 2.7.4
> 

-- 
Alexandre Belloni, Bootlin
Embedded Linux and Kernel engineering
https://bootlin.com

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http://lists.infradead.org/mailman/listinfo/linux-arm-kernel

  parent reply	other threads:[~2019-09-24 12:00 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-24 10:39 [PATCH] clk: at91: sam9x60: fix programmable clock Eugen.Hristev
2019-09-24 10:39 ` Eugen.Hristev
2019-09-24 11:53 ` Nicolas.Ferre
2019-09-24 11:53   ` Nicolas.Ferre
2019-09-24 12:00 ` Alexandre Belloni [this message]
2019-09-24 12:00   ` Alexandre Belloni
2019-10-03 20:59 ` Stephen Boyd
2019-10-03 20:59   ` Stephen Boyd

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