[PATCH] drivers: fpga: intel_sdm_mb: Add checking for INTEL_SIP_SMC_STATUS_BUSY

* [PATCH] drivers: fpga: intel_sdm_mb: Add checking for INTEL_SIP_SMC_STATUS_BUSY
@ 2022-09-18 13:04 Jit Loon Lim
  0 siblings, 0 replies; only message in thread
From: Jit Loon Lim @ 2022-09-18 13:04 UTC (permalink / raw)
  To: u-boot
  Cc: Jagan Teki, Vignesh R, Marek, Simon, Tien Fong, Kok Kiang,
	Siew Chin, Sin Hui, Raaj, Dinesh, Boon Khai, Alif, Teik Heng,
	Hazim, Jit Loon Lim, Sieu Mun Tang, Ley Foon Tan

From: Ley Foon Tan <ley.foon.tan@intel.com>

Add checking for INTEL_SIP_SMC_STATUS_BUSY (1).

Status busy means transfer is accepted but SDM does not have more freed
buffer. It is not an error. Continue process the data if receive OK and
BUSY status.

Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>
---
 drivers/fpga/intel_sdm_mb.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/fpga/intel_sdm_mb.c b/drivers/fpga/intel_sdm_mb.c
index f5fd9a14c2..807be2f871 100644
--- a/drivers/fpga/intel_sdm_mb.c
+++ b/drivers/fpga/intel_sdm_mb.c
@@ -70,7 +70,8 @@ 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;
-- 
2.26.2


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