Add bridged amplifiers to cs42l43

Merge series from Charles Keepax <ckeepax@opensource.cirrus.com>:

In some cs42l43 systems a couple of cs35l56 amplifiers are attached
to the cs42l43's SPI and I2S. On Windows the cs42l43 is controlled
by a SDCA class driver and these two amplifiers are controlled by
firmware running on the cs42l43. However, under Linux the decision
was made to interact with the cs42l43 directly, affording the user
greater control over the audio system. However, this has resulted
in an issue where these two bridged cs35l56 amplifiers are not
populated in ACPI and must be added manually. There is at least an
SDCA extension unit DT entry we can key off.

The process of adding this is handled using a software node, firstly the
ability to add native chip selects to software nodes must be added.
Secondly, an additional flag for naming the SPI devices is added this
allows the machine driver to key to the correct amplifier. Then finally,
the cs42l43 SPI driver adds the two amplifiers directly onto its SPI
bus.

An additional series will follow soon to add the audio machine driver
parts (in the sof-sdw driver), however that is fairly orthogonal to
this part of the process, getting the actual amplifiers registered.

1 files changed, 8 insertions, 5 deletions

diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
index 88b2e57d90c2..f7a0aa3625f4 100644
--- a/drivers/scsi/lpfc/lpfc_init.c
+++ b/drivers/scsi/lpfc/lpfc_init.c
@@ -460,7 +460,7 @@ lpfc_config_port_post(struct lpfc_hba *phba)
 		return -EIO;
 	}
 
-	mp = (struct lpfc_dmabuf *)pmb->ctx_buf;
+	mp = pmb->ctx_buf;
 
 	/* This dmabuf was allocated by lpfc_read_sparam. The dmabuf is no
 	 * longer needed.  Prevent unintended ctx_buf access as the mbox is
@@ -2217,7 +2217,7 @@ lpfc_handle_latt(struct lpfc_hba *phba)
 	/* Cleanup any outstanding ELS commands */
 	lpfc_els_flush_all_cmd(phba);
 	psli->slistat.link_event++;
-	lpfc_read_topology(phba, pmb, (struct lpfc_dmabuf *)pmb->ctx_buf);
+	lpfc_read_topology(phba, pmb, pmb->ctx_buf);
 	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
 	pmb->vport = vport;
 	/* Block ELS IOCBs until we have processed this mbox command */
@@ -5454,7 +5454,7 @@ lpfc_sli4_async_link_evt(struct lpfc_hba *phba,
 	phba->sli.slistat.link_event++;
 
 	/* Create lpfc_handle_latt mailbox command from link ACQE */
-	lpfc_read_topology(phba, pmb, (struct lpfc_dmabuf *)pmb->ctx_buf);
+	lpfc_read_topology(phba, pmb, pmb->ctx_buf);
 	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
 	pmb->vport = phba->pport;
 
@@ -6347,7 +6347,7 @@ lpfc_sli4_async_fc_evt(struct lpfc_hba *phba, struct lpfc_acqe_fc_la *acqe_fc)
 	phba->sli.slistat.link_event++;
 
 	/* Create lpfc_handle_latt mailbox command from link ACQE */
-	lpfc_read_topology(phba, pmb, (struct lpfc_dmabuf *)pmb->ctx_buf);
+	lpfc_read_topology(phba, pmb, pmb->ctx_buf);
 	pmb->mbox_cmpl = lpfc_mbx_cmpl_read_topology;
 	pmb->vport = phba->pport;
 
@@ -7705,6 +7705,9 @@ lpfc_setup_driver_resource_phase1(struct lpfc_hba *phba)
 				"NVME" : " "),
 			(phba->nvmet_support ? "NVMET" : " "));
 
+	/* ras_fwlog state */
+	spin_lock_init(&phba->ras_fwlog_lock);
+
 	/* Initialize the IO buffer list used by driver for SLI3 SCSI */
 	spin_lock_init(&phba->scsi_buf_list_get_lock);
 	INIT_LIST_HEAD(&phba->lpfc_scsi_buf_list_get);
@@ -13055,7 +13058,7 @@ lpfc_sli4_enable_msix(struct lpfc_hba *phba)
 		rc = request_threaded_irq(eqhdl->irq,
 					  &lpfc_sli4_hba_intr_handler,
 					  &lpfc_sli4_hba_intr_handler_th,
-					  IRQF_ONESHOT, name, eqhdl);
+					  0, name, eqhdl);
 		if (rc) {
 			lpfc_printf_log(phba, KERN_WARNING, LOG_INIT,
 					"0486 MSI-X fast-path (%d) "