linux-kernel - Re: [PATCH v2] soc: qcom: geni-se: Do not bother about enable/disable of interrupts in secondary sequencer

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Message-ID: <CAD=FV=URVjgZtZ1Dyc521KTdAN1GJ700vAAJgUtvSA5UkhnTig@mail.gmail.com>
Date:   Wed, 14 Jun 2023 06:49:38 -0700
From:   Doug Anderson <dianders@...omium.org>
To:     Vijaya Krishna Nivarthi <quic_vnivarth@...cinc.com>
Cc:     agross@...nel.org, andersson@...nel.org, konrad.dybcio@...aro.org,
        linux-arm-msm@...r.kernel.org, linux-kernel@...r.kernel.org,
        quic_msavaliy@...cinc.com, mka@...omium.org, swboyd@...omium.org,
        quic_vtanuku@...cinc.com
Subject: Re: [PATCH v2] soc: qcom: geni-se: Do not bother about enable/disable
 of interrupts in secondary sequencer

Hi,

On Wed, Jun 14, 2023 at 4:28 AM Vijaya Krishna Nivarthi
<quic_vnivarth@...cinc.com> wrote:
>
> The select_fifo/dma_mode() functions in geni driver enable/disable
> interrupts (secondary included) conditionally for non-uart modes, while
> uart is supposed to manage this internally.
> However, only uart uses secondary IRQs while spi, i2c do not care about
> these at all making their enablement (or disablement) totally unnecessary
> for these protos.
> Similarly, select_gpi_mode() also does disable s_irq and its useless again.
>
> Drop enabling/disabling secondary IRQs.
> This doesn't solve any observed problem but only gets rid of code pieces
> that are not required.
>
> Signed-off-by: Vijaya Krishna Nivarthi <quic_vnivarth@...cinc.com>
> ---
> v1 -> v2:
> - apply similar changes to select_gpi_mode()
> - modified commit message accordingly
> ---
>  drivers/soc/qcom/qcom-geni-se.c | 28 ++++------------------------
>  1 file changed, 4 insertions(+), 24 deletions(-)

Reviewed-by: Douglas Anderson <dianders@...omium.org>