scsi: ata: Declare SCSI host templates const

Make it explicit that ATA host templates are not modified.

Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Acked-by: Damien Le Moal <damien.lemoal@opensource.wdc.com>
Reviewed-by: Serge Semin <fancer.lancer@gmail.com> (for DWC AHCI SATA)
Reviewed-by: John Garry <john.g.garry@oracle.com>
Reviewed-by: Jon Hunter <jonathanh@nvidia.com> (for Tegra)
Cc: Christoph Hellwig <hch@lst.de>
Cc: Ming Lei <ming.lei@redhat.com>
Cc: Hannes Reinecke <hare@suse.de>
Cc: John Garry <john.g.garry@oracle.com>
Cc: Mike Christie <michael.christie@oracle.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Link: https://lore.kernel.org/r/20230322195515.1267197-5-bvanassche@acm.org
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/ata/acard-ahci.c

@@ -66,7 +66,7 @@ static int acard_ahci_pci_device_suspend(struct pci_dev *pdev, pm_message_t mesg
 static int acard_ahci_pci_device_resume(struct pci_dev *pdev);
 #endif
 
-static struct scsi_host_template acard_ahci_sht = {
+static const struct scsi_host_template acard_ahci_sht = {
 	AHCI_SHT("acard-ahci"),
 };
 

drivers/ata/ahci.c

@@ -101,7 +101,7 @@ static int ahci_pci_device_resume(struct device *dev);
 #endif
 #endif /* CONFIG_PM */
 
-static struct scsi_host_template ahci_sht = {
+static const struct scsi_host_template ahci_sht = {
 	AHCI_SHT("ahci"),
 };
 

drivers/ata/ahci.h

@@ -430,7 +430,7 @@ void ahci_set_em_messages(struct ahci_host_priv *hpriv,
 			  struct ata_port_info *pi);
 int ahci_reset_em(struct ata_host *host);
 void ahci_print_info(struct ata_host *host, const char *scc_s);
-int ahci_host_activate(struct ata_host *host, struct scsi_host_template *sht);
+int ahci_host_activate(struct ata_host *host, const struct scsi_host_template *sht);
 void ahci_error_handler(struct ata_port *ap);
 u32 ahci_handle_port_intr(struct ata_host *host, u32 irq_masked);
 

drivers/ata/ahci_brcm.c

@@ -417,7 +417,7 @@ out_disable_clks:
 	return ret;
 }
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_ceva.c

@@ -185,7 +185,7 @@ static void ahci_ceva_setup(struct ahci_host_priv *hpriv)
 	}
 }
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_da850.c

@@ -153,7 +153,7 @@ static const struct ata_port_info ahci_da850_port_info = {
 	.port_ops	= &ahci_da850_port_ops,
 };
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_dm816.c

@@ -134,7 +134,7 @@ static const struct ata_port_info ahci_dm816_port_info = {
 	.port_ops	= &ahci_dm816_port_ops,
 };
 
-static struct scsi_host_template ahci_dm816_platform_sht = {
+static const struct scsi_host_template ahci_dm816_platform_sht = {
 	AHCI_SHT(AHCI_DM816_DRV_NAME),
 };
 

drivers/ata/ahci_dwc.c

@@ -398,7 +398,7 @@ static const struct ata_port_info ahci_dwc_port_info = {
 	.port_ops	= &ahci_dwc_port_ops,
 };
 
-static struct scsi_host_template ahci_dwc_scsi_info = {
+static const struct scsi_host_template ahci_dwc_scsi_info = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_imx.c

@@ -979,7 +979,7 @@ static u32 imx_ahci_parse_props(struct device *dev,
 	return reg_value;
 }
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_mtk.c

@@ -37,7 +37,7 @@ static const struct ata_port_info ahci_port_info = {
 	.port_ops	= &ahci_platform_ops,
 };
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_mvebu.c

@@ -178,7 +178,7 @@ static const struct ata_port_info ahci_mvebu_port_info = {
 	.port_ops  = &ahci_platform_ops,
 };
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_platform.c

@@ -36,7 +36,7 @@ static const struct ata_port_info ahci_port_info_nolpm = {
 	.port_ops	= &ahci_platform_ops,
 };
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_qoriq.c

@@ -159,7 +159,7 @@ static const struct ata_port_info ahci_qoriq_port_info = {
 	.port_ops	= &ahci_qoriq_ops,
 };
 
-static struct scsi_host_template ahci_qoriq_sht = {
+static const struct scsi_host_template ahci_qoriq_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_seattle.c

@@ -72,7 +72,7 @@ static const struct ata_port_info ahci_port_seattle_info = {
 	.port_ops	= &ahci_seattle_ops,
 };
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_st.c

@@ -138,7 +138,7 @@ static const struct ata_port_info st_ahci_port_info = {
 	.port_ops       = &st_ahci_port_ops,
 };
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_sunxi.c

@@ -206,7 +206,7 @@ static const struct ata_port_info ahci_sunxi_port_info = {
 	.port_ops	= &ahci_platform_ops,
 };
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_tegra.c

@@ -506,7 +506,7 @@ static const struct of_device_id tegra_ahci_of_match[] = {
 };
 MODULE_DEVICE_TABLE(of, tegra_ahci_of_match);
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ahci_xgene.c

@@ -710,7 +710,7 @@ static int xgene_ahci_mux_select(struct xgene_ahci_context *ctx)
 	return val & CFG_SATA_ENET_SELECT_MASK ? -1 : 0;
 }
 
-static struct scsi_host_template ahci_platform_sht = {
+static const struct scsi_host_template ahci_platform_sht = {
 	AHCI_SHT(DRV_NAME),
 };
 

drivers/ata/ata_generic.c

@@ -95,7 +95,7 @@ static int generic_set_mode(struct ata_link *link, struct ata_device **unused)
 	return 0;
 }
 
-static struct scsi_host_template generic_sht = {
+static const struct scsi_host_template generic_sht = {
 	ATA_BMDMA_SHT(DRV_NAME),
 };
 

drivers/ata/ata_piix.c

@@ -1059,7 +1059,7 @@ static u8 piix_vmw_bmdma_status(struct ata_port *ap)
 	return ata_bmdma_status(ap) & ~ATA_DMA_ERR;
 }
 
-static struct scsi_host_template piix_sht = {
+static const struct scsi_host_template piix_sht = {
 	ATA_BMDMA_SHT(DRV_NAME),
 };
 
@@ -1095,7 +1095,7 @@ static struct attribute *piix_sidpr_shost_attrs[] = {
 
 ATTRIBUTE_GROUPS(piix_sidpr_shost);
 
-static struct scsi_host_template piix_sidpr_sht = {
+static const struct scsi_host_template piix_sidpr_sht = {
 	ATA_BMDMA_SHT(DRV_NAME),
 	.shost_groups		= piix_sidpr_shost_groups,
 };
@@ -1645,7 +1645,7 @@ static int piix_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
 	struct device *dev = &pdev->dev;
 	struct ata_port_info port_info[2];
 	const struct ata_port_info *ppi[] = { &port_info[0], &port_info[1] };
-	struct scsi_host_template *sht = &piix_sht;
+	const struct scsi_host_template *sht = &piix_sht;
 	unsigned long port_flags;
 	struct ata_host *host;
 	struct piix_host_priv *hpriv;