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From: Eugen Hristev <eugen.hristev@linaro.org>
To: Zixun LI <admin@hifiphile.com>,
	Balamanikandan Gunasundar
	<balamanikandan.gunasundar@microchip.com>,
	u-boot@lists.denx.de
Cc: Dario Binacchi <dario.binacchi@amarulasolutions.com>,
	Michael Trimarchi <michael@amarulasolutions.com>,
	Tom Rini <trini@konsulko.com>, Alexander Dahl <ada@thorsis.com>
Subject: Re: [PATCH 2/2] mtd: rawnand: atmel: Remove timing from atmel_pmecc struct
Date: Fri, 7 Nov 2025 12:56:38 +0200	[thread overview]
Message-ID: <68d45e9e-8eed-439d-be9b-9d6f9e13fe89@linaro.org> (raw)
In-Reply-To: <20251106-pmecc-v1-2-a1f3cf430be9@hifiphile.com>



On 11/6/25 13:12, Zixun LI wrote:
> "timing" is unused in atmel_pmecc struct, also it's not exist in Linux
> driver, let's remove it.
> 
> Signed-off-by: Zixun LI <admin@hifiphile.com>
> ---
>  drivers/mtd/nand/raw/atmel/pmecc.c | 2 --
>  drivers/mtd/nand/raw/atmel/pmecc.h | 1 -
>  2 files changed, 3 deletions(-)
> 
> diff --git a/drivers/mtd/nand/raw/atmel/pmecc.c b/drivers/mtd/nand/raw/atmel/pmecc.c
> index 7c4e9bd5f9967b119239adf2b39e683ea62b71fd..8fc5614cc0091d3e0f4b9280beee9e684fe2a57d 100644
> --- a/drivers/mtd/nand/raw/atmel/pmecc.c
> +++ b/drivers/mtd/nand/raw/atmel/pmecc.c
> @@ -839,8 +839,6 @@ atmel_pmecc_create(struct udevice *dev,
>  	ofnode_read_resource(dev->node_, 1, &res);
>  	pmecc->regs.errloc = (void *)res.start;
>  
> -	pmecc->regs.timing = 0;
> -

I see there is also an unused parameter to atmel_pmecc_create() called
timing_res_idx .
Maybe this parameter was intended to be passed to the timing mapped memory ?

If the timing_res_idx is related and unused as well, isn't it supposed
to be removed together ?

I see it's being called with a hardcoded "2" , does this have any
significance that you know of ? Or it can be safely removed.

Eugen

>  	/* pmecc data setup time */
>  	if (caps->clk_ctrl)
>  		writel(PMECC_CLK_133MHZ, pmecc->regs.base + ATMEL_PMECC_CLK);
> diff --git a/drivers/mtd/nand/raw/atmel/pmecc.h b/drivers/mtd/nand/raw/atmel/pmecc.h
> index 43f96b2f168c7b88e0c907996f2ae64f8554ed58..88b0d18040e7c48f226c74ce9b5caf93b5760360 100644
> --- a/drivers/mtd/nand/raw/atmel/pmecc.h
> +++ b/drivers/mtd/nand/raw/atmel/pmecc.h
> @@ -65,7 +65,6 @@ struct atmel_pmecc {
>  	struct {
>  		void __iomem *base;
>  		void __iomem *errloc;
> -		void __iomem *timing;
>  	} regs;
>  
>  	/* Mutex used for pmecc enable/disable */
> 


  parent reply	other threads:[~2025-11-07 10:56 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-11-06 11:12 [PATCH 0/2] mtd: rawnand: atmel: Fix ECC error on SAM9 Zixun LI
2025-11-06 11:12 ` [PATCH 1/2] mtd: rawnand: atmel: set pmecc data setup time Zixun LI
2025-11-07 10:52   ` Eugen Hristev
2025-11-07 11:01     ` Alexander Dahl
2025-11-07 12:53       ` Zixun LI
2025-11-11 10:29       ` Eugen Hristev
2025-11-06 11:12 ` [PATCH 2/2] mtd: rawnand: atmel: Remove timing from atmel_pmecc struct Zixun LI
2025-11-06 16:27   ` Alexander Dahl
2025-11-07 10:56   ` Eugen Hristev [this message]
2025-11-07 11:04     ` Michael Nazzareno Trimarchi
2025-11-07 11:17       ` Alexander Dahl
2025-11-07 10:48 ` [PATCH 0/2] mtd: rawnand: atmel: Fix ECC error on SAM9 Eugen Hristev

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