From 45db55111393ee74ed9943b682de8e5cbbb636ac Mon Sep 17 00:00:00 2001 From: Andriy Tryshnivskyy Date: Mon, 4 Oct 2021 20:31:34 +0300 Subject: virtualization/linux-yocto: Backport virtio SCMI driver. This patch series is a "RFC v2" implementation of a driver for virtio SCMI device [1]. [1]: https://github.com/oasis-tcs/virtio-spec/blob/master/virtio-scmi.tex Bug-AGL: SPEC-3865 Upstream-Status: Submitted [https://lore.kernel.org/linux-arm-kernel/20201105212116.411422-1-peter.hilber@opensynergy.com/] Signed-off-by: Andriy Tryshnivskyy Change-Id: I653cb44769232ae5434bd54169910fd0518f1db8 --- ...m_scmi-Document-that-max_msg-is-a-per-cha.patch | 34 ++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0002-firmware-arm_scmi-Document-that-max_msg-is-a-per-cha.patch (limited to 'meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0002-firmware-arm_scmi-Document-that-max_msg-is-a-per-cha.patch') diff --git a/meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0002-firmware-arm_scmi-Document-that-max_msg-is-a-per-cha.patch b/meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0002-firmware-arm_scmi-Document-that-max_msg-is-a-per-cha.patch new file mode 100644 index 00000000..7a21fedf --- /dev/null +++ b/meta-egvirt/recipes-kernel/linux/linux-yocto/virtio-scmi/0002-firmware-arm_scmi-Document-that-max_msg-is-a-per-cha.patch @@ -0,0 +1,34 @@ +From 30de0a5e1fec42589469e5ec8951d15d364df63a Mon Sep 17 00:00:00 2001 +From: Igor Skalkin +Date: Thu, 5 Nov 2020 22:21:08 +0100 +Subject: [PATCH] firmware: arm_scmi: Document that max_msg is a per channel + type limit + +struct scmi_desc.max_msg specifies a limit for the pending messages. +This limit is a per SCMI channel type (tx, rx) limit. State that +explicitly in the inline documentation. The following patch will add an +op to override the limit per channel type. + +Co-developed-by: Peter Hilber +Signed-off-by: Peter Hilber +Signed-off-by: Igor Skalkin +Signed-off-by: Vasyl Vavrychuk +--- + drivers/firmware/arm_scmi/common.h | 4 ++-- + 1 file changed, 2 insertions(+), 2 deletions(-) + +diff --git a/drivers/firmware/arm_scmi/common.h b/drivers/firmware/arm_scmi/common.h +index aed192238177..38e6aabbe3dd 100644 +--- a/drivers/firmware/arm_scmi/common.h ++++ b/drivers/firmware/arm_scmi/common.h +@@ -231,8 +231,8 @@ struct scmi_transport_ops { + * + * @ops: Pointer to the transport specific ops structure + * @max_rx_timeout_ms: Timeout for communication with SoC (in Milliseconds) +- * @max_msg: Maximum number of messages that can be pending +- * simultaneously in the system ++ * @max_msg: Maximum number of messages for a channel type (tx or rx) that can ++ * be pending simultaneously in the system + * @max_msg_size: Maximum size of data per message that can be handled. + */ + struct scmi_desc { -- cgit 1.2.3-korg