IB/hfi1: Change QSFP functions to use resource reservation
Remove the mutex guarding each operation in favor the ASIC
resource acquire/release. Push the resource acquire/release,
above each operation call to allow exclusive access across
multiple operations.
Reviewed-by: Mitko Haralanov <mitko.haralanov@intel.com>
Reviewed-by: Easwar Hariharan <easwar.hariharan@intel.com>
Signed-off-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Jubin John <jubin.john@intel.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
diff --git a/drivers/staging/rdma/hfi1/chip.h b/drivers/staging/rdma/hfi1/chip.h
index 311e6e8..9313963 100644
--- a/drivers/staging/rdma/hfi1/chip.h
+++ b/drivers/staging/rdma/hfi1/chip.h
@@ -672,6 +672,9 @@
/* ms wait time for access to an SBus resoure */
#define SBUS_TIMEOUT 4000 /* long enough for a FW download and SBR */
+/* ms wait time for a qsfp (i2c) chain to become available */
+#define QSFP_WAIT 20000 /* long enough for FW update to the F4 uc */
+
void fabric_serdes_reset(struct hfi1_devdata *dd);
int read_8051_data(struct hfi1_devdata *dd, u32 addr, u32 len, u64 *result);