linux-kernel - [PATCH 3/7] firmware: xilinx-zynqmp: Add request access capability macro

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Message-ID: <1534403190-28523-4-git-send-email-jliang@xilinx.com>
Date:   Thu, 16 Aug 2018 00:06:26 -0700
From:   Wendy Liang <wendy.liang@...inx.com>
To:     <ohad@...ery.com>, <bjorn.andersson@...aro.org>,
        <michal.simek@...inx.com>, <robh+dt@...nel.org>,
        <mark.rutland@....com>, <rajan.vaja@...inx.com>,
        <jollys@...inx.com>
CC:     <linux-remoteproc@...r.kernel.org>,
        <linux-arm-kernel@...ts.infradead.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        Wendy Liang <jliang@...inx.com>
Subject: [PATCH 3/7] firmware: xilinx-zynqmp: Add request access capability macro

Add request access capability macro which will be used to
request access to a device node from Xilinx firmware.

Signed-off-by: Wendy Liang <jliang@...inx.com>
---
 include/linux/firmware/xlnx-zynqmp.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/linux/firmware/xlnx-zynqmp.h b/include/linux/firmware/xlnx-zynqmp.h
index e3b7292..83ebadf 100644
--- a/include/linux/firmware/xlnx-zynqmp.h
+++ b/include/linux/firmware/xlnx-zynqmp.h
@@ -32,6 +32,9 @@
 /* Number of 32bits values in payload */
 #define PAYLOAD_ARG_CNT	4U
 
+/* Request capability of a device node */
+#define	ZYNQMP_PM_CAPABILITY_ACCESS	0x1U
+
 enum zynqmp_pm_request_ack {
 	ZYNQMP_PM_REQUEST_ACK_NO = 1,
 	ZYNQMP_PM_REQUEST_ACK_BLOCKING,
-- 
2.7.4