linux-kernel - Re: [PATCH v3 1/2] irqchip/qcom-pdc: Add support for v3.2 HW

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Date:   Tue, 29 Aug 2023 15:20:46 +0530
From:   "Maulik Shah (mkshah)" <quic_mkshah@...cinc.com>
To:     Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Andy Gross <agross@...nel.org>,
        Bjorn Andersson <andersson@...nel.org>,
        Konrad Dybcio <konrad.dybcio@...aro.org>,
        Thomas Gleixner <tglx@...utronix.de>,
        Marc Zyngier <maz@...nel.org>
CC:     <linux-arm-msm@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Neil Armstrong <neil.armstrong@...aro.org>
Subject: Re: [PATCH v3 1/2] irqchip/qcom-pdc: Add support for v3.2 HW

Hi,

On 8/29/2023 2:51 PM, Dmitry Baryshkov wrote:
> From: Neil Armstrong <neil.armstrong@...aro.org>
>
> Starting from HW version 3.2 the IRQ_ENABLE bit has moved to the
> IRQ_i_CFG register and requires a change of the driver to avoid
> writing into an undefined register address.
>
> Get the HW version from registers and set the IRQ_ENABLE bit to the
> correct register depending on the HW version.
>
> Signed-off-by: Neil Armstrong <neil.armstrong@...aro.org>
> [DB: fix crash on sm8150 DTs which listed short PDC region]
> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
> ---
>   drivers/irqchip/qcom-pdc.c | 73 ++++++++++++++++++++++++++++++--------
>   1 file changed, 59 insertions(+), 14 deletions(-)

Reviewed-by: Maulik Shah <quic_mkshah@...cinc.com>

Thanks,
Maulik