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authorAng, Chee Hong <chee.hong.ang@intel.com>2019-02-18 07:07:50 +0300
committerMarek Vasut <marex@denx.de>2019-02-18 15:00:54 +0300
commit5097ba6177bad8c7e09b50149cacd6fd5020f0c8 (patch)
tree731b19a0eaf1d16350d270218bd5ede49eede868 /drivers/fpga
parent7997599e2df64c8fb450bc03f2d618adbde05f6e (diff)
downloadu-boot-5097ba6177bad8c7e09b50149cacd6fd5020f0c8.tar.xz
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 <chee.hong.ang@intel.com>
Diffstat (limited to 'drivers/fpga')
-rw-r--r--drivers/fpga/stratix10.c17
1 files 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;
}
}