linux-kernel - Re: [PATCH v2 1/3] soc: qcom: geni: move GENI_IF_DISABLE

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Message-ID: <YMzR/H3QyQeEB2hB@yoga>
Date:   Fri, 18 Jun 2021 12:03:56 -0500
From:   Bjorn Andersson <bjorn.andersson@...aro.org>
To:     Vinod Koul <vkoul@...nel.org>
Cc:     linux-arm-msm@...r.kernel.org, Andy Gross <agross@...nel.org>,
        Matthias Kaehlcke <mka@...omium.org>,
        Douglas Anderson <dianders@...omium.org>,
        Sumit Semwal <sumit.semwal@...aro.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/3] soc: qcom: geni: move GENI_IF_DISABLE_RO to
 common header

On Fri 18 Jun 09:18 CDT 2021, Vinod Koul wrote:

> GENI_IF_DISABLE_RO is used by geni spi driver as well to check the
> status if GENI, so move this to common header qcom-geni-se.h
> 
> Also, add FIFO_IF_DISABLE define.
> 

Afaict these registers relates to the hardware block that is primarily
owned by the individual engine-drivers, would it not make sense to move
them all to the shared header file?

(The patch itself still looks ok, but needs the consuming patch to be
merged)

Regards,
Bjorn

> Reviewed-by: Bjorn Andersson <bjorn.andersson@...aro.org>
> Signed-off-by: Vinod Koul <vkoul@...nel.org>
> ---
>  drivers/soc/qcom/qcom-geni-se.c | 1 -
>  include/linux/qcom-geni-se.h    | 4 ++++
>  2 files changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/qcom/qcom-geni-se.c b/drivers/soc/qcom/qcom-geni-se.c
> index 5bdfb1565c14..fe666ea0c487 100644
> --- a/drivers/soc/qcom/qcom-geni-se.c
> +++ b/drivers/soc/qcom/qcom-geni-se.c
> @@ -104,7 +104,6 @@ static const char * const icc_path_names[] = {"qup-core", "qup-config",
>  #define GENI_OUTPUT_CTRL		0x24
>  #define GENI_CGC_CTRL			0x28
>  #define GENI_CLK_CTRL_RO		0x60
> -#define GENI_IF_DISABLE_RO		0x64
>  #define GENI_FW_S_REVISION_RO		0x6c
>  #define SE_GENI_BYTE_GRAN		0x254
>  #define SE_GENI_TX_PACKING_CFG0		0x260
> diff --git a/include/linux/qcom-geni-se.h b/include/linux/qcom-geni-se.h
> index 7c811eebcaab..5114e2144b17 100644
> --- a/include/linux/qcom-geni-se.h
> +++ b/include/linux/qcom-geni-se.h
> @@ -63,6 +63,7 @@ struct geni_se {
>  #define SE_GENI_STATUS			0x40
>  #define GENI_SER_M_CLK_CFG		0x48
>  #define GENI_SER_S_CLK_CFG		0x4c
> +#define GENI_IF_DISABLE_RO		0x64
>  #define GENI_FW_REVISION_RO		0x68
>  #define SE_GENI_CLK_SEL			0x7c
>  #define SE_GENI_DMA_MODE_EN		0x258
> @@ -105,6 +106,9 @@ struct geni_se {
>  #define CLK_DIV_MSK			GENMASK(15, 4)
>  #define CLK_DIV_SHFT			4
>  
> +/* GENI_IF_DISABLE_RO fields */
> +#define FIFO_IF_DISABLE			(BIT(0))
> +
>  /* GENI_FW_REVISION_RO fields */
>  #define FW_REV_PROTOCOL_MSK		GENMASK(15, 8)
>  #define FW_REV_PROTOCOL_SHFT		8
> -- 
> 2.31.1
>