From 5097ba6177bad8c7e09b50149cacd6fd5020f0c8 Mon Sep 17 00:00:00 2001 From: "Ang, Chee Hong" Date: Sun, 17 Feb 2019 20:07:50 -0800 Subject: [PATCH] ARM: socfpga: stratix10: Return valid error code from FPGA driver This patch prevent the Stratix 10 FPGA driver incorrectly return the transaction ID as the mailbox error code. It should always return the actual mailbox error code from SDM firmware. Signed-off-by: Ang, Chee Hong --- drivers/fpga/stratix10.c | 17 ++++++----------- 1 file changed, 6 insertions(+), 11 deletions(-) diff --git a/drivers/fpga/stratix10.c b/drivers/fpga/stratix10.c index aae052130e..d8e32508d4 100644 --- a/drivers/fpga/stratix10.c +++ b/drivers/fpga/stratix10.c @@ -172,7 +172,7 @@ static int send_reconfig_data(const void *rbf_data, size_t rbf_size, u32 resp_windex = 0; u32 resp_count = 0; u32 xfer_count = 0; - u8 resp_err = 0; + int resp_err = 0; u8 cmd_id = 1; u32 args[3]; int ret; @@ -195,11 +195,9 @@ static int send_reconfig_data(const void *rbf_data, size_t rbf_size, rbf_size = 0; } - ret = mbox_send_cmd_only(cmd_id, MBOX_RECONFIG_DATA, + resp_err = mbox_send_cmd_only(cmd_id, MBOX_RECONFIG_DATA, MBOX_CMD_INDIRECT, 3, args); - if (ret) { - resp_err = 1; - } else { + if (!resp_err) { xfer_count++; cmd_id = add_transfer(xfer_pending, MBOX_RESP_BUFFER_SIZE, @@ -222,11 +220,8 @@ static int send_reconfig_data(const void *rbf_data, size_t rbf_size, /* Check for response's status */ if (!resp_err) { - ret = MBOX_RESP_ERR_GET(resp_hdr); - debug("Response error code: %08x\n", ret); - /* Error in response */ - if (ret) - resp_err = 1; + resp_err = MBOX_RESP_ERR_GET(resp_hdr); + debug("Response error code: %08x\n", resp_err); } ret = get_and_clr_transfer(xfer_pending, @@ -239,7 +234,7 @@ static int send_reconfig_data(const void *rbf_data, size_t rbf_size, } if (resp_err && !xfer_count) - return ret; + return resp_err; } } -- 2.25.1