linux-kernel - [PATCH] firmware: xilinx: Update the zynqmp_pm_fpga

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Date:   Wed, 3 May 2023 10:31:58 +0530
From:   Nava kishore Manne <nava.kishore.manne@....com>
To:     <michal.simek@...inx.com>, <tanmay.shah@...inx.com>,
        <mathieu.poirier@...aro.org>, <ben.levinsky@....com>,
        <claudiu.beznea@...rochip.com>, <nava.kishore.manne@....com>,
        <ronak.jain@...inx.com>, <marex@...x.de>,
        <roman.gushchin@...ux.dev>, <linux-arm-kernel@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH] firmware: xilinx: Update the zynqmp_pm_fpga_load() API

Update the zynqmp_pm_fpga_load() API to handle the firmware error’s
properly.

Signed-off-by: Nava kishore Manne <nava.kishore.manne@....com>
---
 drivers/firmware/xilinx/zynqmp.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/drivers/firmware/xilinx/zynqmp.c b/drivers/firmware/xilinx/zynqmp.c
index ce86a1850305..398ab86e2bec 100644
--- a/drivers/firmware/xilinx/zynqmp.c
+++ b/drivers/firmware/xilinx/zynqmp.c
@@ -942,8 +942,16 @@ EXPORT_SYMBOL_GPL(zynqmp_pm_reset_get_status);
  */
 int zynqmp_pm_fpga_load(const u64 address, const u32 size, const u32 flags)
 {
-	return zynqmp_pm_invoke_fn(PM_FPGA_LOAD, lower_32_bits(address),
-				   upper_32_bits(address), size, flags, NULL);
+	u32 ret_payload[PAYLOAD_ARG_CNT];
+	int ret;
+
+	ret = zynqmp_pm_invoke_fn(PM_FPGA_LOAD, lower_32_bits(address),
+				  upper_32_bits(address), size, flags,
+				  ret_payload);
+	if (ret_payload[0])
+		return -ret_payload[0];
+
+	return ret;
 }
 EXPORT_SYMBOL_GPL(zynqmp_pm_fpga_load);
 
-- 
2.25.1