linux-kernel - Re: [PATCH 2/3] i2c: at91: fix clk

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Date:   Fri, 6 Dec 2019 16:58:53 +0000
From:   <Codrin.Ciubotariu@...rochip.com>
To:     <Eugen.Hristev@...rochip.com>, <robh+dt@...nel.org>,
        <Ludovic.Desroches@...rochip.com>, <wsa@...-dreams.de>,
        <linux-i2c@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, <peda@...ntia.se>
CC:     <Nicolas.Ferre@...rochip.com>
Subject: Re: [PATCH 2/3] i2c: at91: fix clk_offset for sama5d2

On 02.12.2019 10:56, Eugen Hristev - M18282 wrote:
> From: Eugen Hristev <eugen.hristev@...rochip.com>
> 
> In SAM9X60 datasheet, FLEX_TWI_CWGR register rescription mentions clock
> offset of 3 cycles (compared to 4 in eg. SAMA5D3).
> This is the same offset as in SAMA5D2.
> 
> Fixes: b00277923743 ("i2c: at91: add new platform support for sam9x60")
> Suggested-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>
> Signed-off-by: Eugen Hristev <eugen.hristev@...rochip.com>

Reviewed-by: Codrin Ciubotariu <codrin.ciubotariu@...rochip.com>

Thanks!

Best regards,
Codrin

> ---
>   drivers/i2c/busses/i2c-at91-core.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/i2c/busses/i2c-at91-core.c b/drivers/i2c/busses/i2c-at91-core.c
> index e13af48..5137e62 100644
> --- a/drivers/i2c/busses/i2c-at91-core.c
> +++ b/drivers/i2c/busses/i2c-at91-core.c
> @@ -174,7 +174,7 @@ static struct at91_twi_pdata sama5d2_config = {
>   
>   static struct at91_twi_pdata sam9x60_config = {
>   	.clk_max_div = 7,
> -	.clk_offset = 4,
> +	.clk_offset = 3,
>   	.has_unre_flag = true,
>   	.has_alt_cmd = true,
>   	.has_hold_field = true,
>