From a988d4ea00809e68617c210aba0bb9ca6fc0ebde Mon Sep 17 00:00:00 2001 From: Naresh Kumar Ravulapalli Date: Mon, 30 Jun 2025 21:43:11 -0700 Subject: drivers: fpga: intel_sdm_mb: Check SIP SMC status in send_bitstream() While sending bitstream via SIP SMC, busy status received does not correspond to error, instead it means transfer is accepted but SDM doesn't have any more free buffer space. Hence, data transmission is continued when busy status is received. Signed-off-by: Naresh Kumar Ravulapalli Link: https://lore.kernel.org/r/20250701044311.3670-1-nareshkumar.ravulapalli@altera.com Signed-off-by: Michal Simek --- drivers/fpga/intel_sdm_mb.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'drivers/fpga/intel_sdm_mb.c') diff --git a/drivers/fpga/intel_sdm_mb.c b/drivers/fpga/intel_sdm_mb.c index a2f3b160a73..5f4aae47d6d 100644 --- a/drivers/fpga/intel_sdm_mb.c +++ b/drivers/fpga/intel_sdm_mb.c @@ -687,7 +687,8 @@ static int send_bitstream(const void *rbf_data, size_t rbf_size) debug("wr_ret = %d, rbf_data = %p, buf_size = %08lx\n", wr_ret, rbf_data, buf_size); - if (wr_ret) + if (wr_ret != INTEL_SIP_SMC_STATUS_OK && + wr_ret != INTEL_SIP_SMC_STATUS_BUSY) continue; rbf_size -= buf_size; -- cgit v1.2.3