From: Naresh Kumar Ravulapalli Date: Tue, 1 Jul 2025 04:43:11 +0000 (-0700) Subject: drivers: fpga: intel_sdm_mb: Check SIP SMC status in send_bitstream() X-Git-Tag: v2025.10-rc1~131^2~12 X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a988d4ea00809e68617c210aba0bb9ca6fc0ebde;p=pandora-u-boot.git 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 --- 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;