From: Michal Simek <michal.simek@amd.com>
To: Tanmay Shah <tanmay.shah@amd.com>,
andersson@kernel.org, mathieu.poirier@linaro.org,
jaswinder.singh@linaro.org, ben.levinsky@amd.com,
shubhrajyoti.datta@amd.com
Cc: linux-kernel@vger.kernel.org,
linux-arm-kernel@lists.infradead.org,
linux-remoteproc@vger.kernel.org
Subject: Re: [PATCH v4 2/5] mailbox: zynqmp: fix IPI isr handling
Date: Wed, 8 Mar 2023 12:56:17 +0100 [thread overview]
Message-ID: <d8551cc8-bd5b-a2e0-ca4d-39bcf96d83c3@amd.com> (raw)
In-Reply-To: <20230228210216.447373-3-tanmay.shah@amd.com>
On 2/28/23 22:02, Tanmay Shah wrote:
> Multiple IPI channels are mapped to same interrupt handler.
> Current isr implementation handles only one channel per isr.
> Fix this behavior by checking isr status bit of all child
> mailbox nodes.
>
> Signed-off-by: Tanmay Shah <tanmay.shah@amd.com>
> ---
> drivers/mailbox/zynqmp-ipi-mailbox.c | 6 +++---
> 1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/mailbox/zynqmp-ipi-mailbox.c b/drivers/mailbox/zynqmp-ipi-mailbox.c
> index e287ed7a92ce..b1498f6f06e1 100644
> --- a/drivers/mailbox/zynqmp-ipi-mailbox.c
> +++ b/drivers/mailbox/zynqmp-ipi-mailbox.c
> @@ -152,7 +152,7 @@ static irqreturn_t zynqmp_ipi_interrupt(int irq, void *data)
> struct zynqmp_ipi_message *msg;
> u64 arg0, arg3;
> struct arm_smccc_res res;
> - int ret, i;
> + int ret, i, status = IRQ_NONE;
>
> (void)irq;
> arg0 = SMC_IPI_MAILBOX_STATUS_ENQUIRY;
> @@ -170,11 +170,11 @@ static irqreturn_t zynqmp_ipi_interrupt(int irq, void *data)
> memcpy_fromio(msg->data, mchan->req_buf,
> msg->len);
> mbox_chan_received_data(chan, (void *)msg);
> - return IRQ_HANDLED;
> + status = IRQ_HANDLED;
> }
> }
> }
> - return IRQ_NONE;
> + return status;
> }
>
> /**
Acked-by: Michal Simek <michal.simek@amd.com>
Thanks,
Michal
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next prev parent reply other threads:[~2023-03-08 11:57 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-02-28 21:02 [PATCH v4 0/5] drivers: remoteproc: xilinx: add mailbox support Tanmay Shah
2023-02-28 21:02 ` [PATCH v4 1/5] mailbox: zynqmp: fix counts of child nodes Tanmay Shah
2023-03-08 11:53 ` Michal Simek
2023-03-09 20:30 ` Tanmay Shah
2023-02-28 21:02 ` [PATCH v4 2/5] mailbox: zynqmp: fix IPI isr handling Tanmay Shah
2023-03-08 11:56 ` Michal Simek [this message]
2023-02-28 21:02 ` [PATCH v4 3/5] mailbox: zynqmp: fix typo in IPI documentation Tanmay Shah
2023-03-08 11:56 ` Michal Simek
2023-02-28 21:02 ` [PATCH v4 4/5] drivers: remoteproc: xilinx: fix carveout names Tanmay Shah
2023-02-28 21:02 ` [PATCH v4 5/5] remoteproc: xilinx: add mailbox channels for rpmsg Tanmay Shah
2023-03-02 23:10 ` Mathieu Poirier
2023-03-03 16:36 ` Tanmay Shah
2023-03-03 18:13 ` Mathieu Poirier
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