From: Krzysztof Kozlowski <krzk@kernel•org>
To: Haren Myneni <haren@linux•ibm.com>, linuxppc-dev@lists•ozlabs.org
Cc: maddy@linux•ibm.com, mpe@ellerman•id.au, npiggin@gmail•com,
msuchanek@suse•de, mahesh@linux•ibm.com, tyreld@linux•ibm.com,
hbabu@us•ibm.com
Subject: Re: [PATCH RFC 7/9] powerpc/pseries: Enable HVPIPE event message interrupt
Date: Thu, 3 Jul 2025 09:00:14 +0200 [thread overview]
Message-ID: <6824e14b-8f79-4fee-85f6-e5f78a8ef265@kernel.org> (raw)
In-Reply-To: <20250702221444.879256-8-haren@linux.ibm.com>
On 03/07/2025 00:14, Haren Myneni wrote:
> +static int __init enable_hvpipe_IRQ(void)
> +{
> + struct device_node *np;
> +
> + hvpipe_check_exception_token = rtas_function_token(RTAS_FN_CHECK_EXCEPTION);
> + if (hvpipe_check_exception_token == RTAS_UNKNOWN_SERVICE)
> + return -ENODEV;
> +
> + /* hvpipe events */
> + np = of_find_node_by_path("/event-sources/ibm,hvpipe-msg-events");
Undocumented ABI, NAK. Plus node names should not be used at all as
ABI... and naming does not follow DT spec/style, not sure if you care
about it, though.
> + if (np != NULL) {
> + request_event_sources_irqs(np, hvpipe_event_interrupt,
> + "HPIPE_EVENT");
> + of_node_put(np);
> + } else {
> + pr_err("Can not enable hvpipe event IRQ\n");
Best regards,
Krzysztof
next prev parent reply other threads:[~2025-07-03 7:00 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-07-02 22:14 [PATCH RFC 0/9] powerpc/pseries: Add hypervisor pipe (HVPIPE) suport Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 1/9] powerpc/pseries: Define papr-hvpipe ioctl Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 2/9] powerpc/pseries: Define HVPIPE specific macros Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 3/9] powerpc/pseries: Add papr-hvpipe char driver for HVPIPE interfaces Haren Myneni
2025-07-03 6:58 ` Krzysztof Kozlowski
2025-07-07 6:53 ` Haren Myneni
2025-07-07 7:29 ` Krzysztof Kozlowski
2025-07-02 22:14 ` [PATCH RFC 4/9] powerpc/pseries: Send payload with ibm,send-hvpipe-msg RTAS Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 5/9] powerpc/pseries: Receive payload with ibm,receive-hvpipe-msg RTAS Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 6/9] powerpc/pseries: Wakeup hvpipe FD when the payload is pending Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 7/9] powerpc/pseries: Enable HVPIPE event message interrupt Haren Myneni
2025-07-03 7:00 ` Krzysztof Kozlowski [this message]
2025-07-07 7:02 ` Haren Myneni
2025-07-07 7:35 ` Krzysztof Kozlowski
2025-07-07 7:43 ` Krzysztof Kozlowski
2025-07-07 9:13 ` Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 8/9] powerpc/pseries: Enable hvpipe with ibm,set-system-parameter RTAS Haren Myneni
2025-07-02 22:14 ` [PATCH RFC 9/9] powerpc/pseries: HVPIPE changes to support migration Haren Myneni
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