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path: root/drivers/scsi/g_NCR5380.c
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Diffstat (limited to 'drivers/scsi/g_NCR5380.c')
-rw-r--r--drivers/scsi/g_NCR5380.c33
1 files changed, 17 insertions, 16 deletions
diff --git a/drivers/scsi/g_NCR5380.c b/drivers/scsi/g_NCR5380.c
index 9cdca0625498..270eae7ac427 100644
--- a/drivers/scsi/g_NCR5380.c
+++ b/drivers/scsi/g_NCR5380.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Generic Generic NCR5380 driver
*
@@ -19,7 +20,7 @@
* Added ISAPNP support for DTC436 adapters,
* Thomas Sailer, sailer@ife.ee.ethz.ch
*
- * See Documentation/scsi/g_NCR5380.txt for more info.
+ * See Documentation/scsi/g_NCR5380.rst for more info.
*/
#include <asm/io.h>
@@ -109,6 +110,7 @@ module_param_array(card, int, NULL, 0);
MODULE_PARM_DESC(card, "card type (0=NCR5380, 1=NCR53C400, 2=NCR53C400A, 3=DTC3181E, 4=HP C2502)");
MODULE_ALIAS("g_NCR5380_mmio");
+MODULE_DESCRIPTION("Generic NCR5380/NCR53C400 SCSI driver");
MODULE_LICENSE("GPL");
static void g_NCR5380_trigger_irq(struct Scsi_Host *instance)
@@ -218,7 +220,7 @@ static int hp_c2502_irqs[] = {
9, 5, 7, 3, 4, -1
};
-static int generic_NCR5380_init_one(struct scsi_host_template *tpnt,
+static int generic_NCR5380_init_one(const struct scsi_host_template *tpnt,
struct device *pdev, int base, int irq, int board)
{
bool is_pmio = base <= 0xffff;
@@ -339,7 +341,7 @@ static int generic_NCR5380_init_one(struct scsi_host_template *tpnt,
break;
case BOARD_DTC3181E:
hostdata->io_width = 2; /* 16-bit PDMA */
- /* fall through */
+ fallthrough;
case BOARD_NCR53C400A:
case BOARD_HP_C2502:
hostdata->c400_ctl_status = 9;
@@ -528,14 +530,14 @@ static inline int generic_NCR5380_precv(struct NCR5380_hostdata *hostdata,
if (start == len - 128) {
/* Ignore End of DMA interrupt for the final buffer */
if (NCR5380_poll_politely(hostdata, hostdata->c400_ctl_status,
- CSR_HOST_BUF_NOT_RDY, 0, HZ / 64) < 0)
+ CSR_HOST_BUF_NOT_RDY, 0, 0) < 0)
break;
} else {
if (NCR5380_poll_politely2(hostdata, hostdata->c400_ctl_status,
CSR_HOST_BUF_NOT_RDY, 0,
hostdata->c400_ctl_status,
CSR_GATED_53C80_IRQ,
- CSR_GATED_53C80_IRQ, HZ / 64) < 0 ||
+ CSR_GATED_53C80_IRQ, 0) < 0 ||
NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY)
break;
}
@@ -564,7 +566,7 @@ static inline int generic_NCR5380_precv(struct NCR5380_hostdata *hostdata,
if (residual == 0 && NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,
BASR_END_DMA_TRANSFER,
BASR_END_DMA_TRANSFER,
- HZ / 64) < 0)
+ 0) < 0)
scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n",
__func__);
@@ -596,7 +598,7 @@ static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata,
CSR_HOST_BUF_NOT_RDY, 0,
hostdata->c400_ctl_status,
CSR_GATED_53C80_IRQ,
- CSR_GATED_53C80_IRQ, HZ / 64) < 0 ||
+ CSR_GATED_53C80_IRQ, 0) < 0 ||
NCR5380_read(hostdata->c400_ctl_status) & CSR_HOST_BUF_NOT_RDY) {
/* Both 128 B buffers are in use */
if (start >= 128)
@@ -643,13 +645,13 @@ static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata,
if (residual == 0) {
if (NCR5380_poll_politely(hostdata, TARGET_COMMAND_REG,
TCR_LAST_BYTE_SENT, TCR_LAST_BYTE_SENT,
- HZ / 64) < 0)
+ 0) < 0)
scmd_printk(KERN_ERR, hostdata->connected,
"%s: Last Byte Sent timeout\n", __func__);
if (NCR5380_poll_politely(hostdata, BUS_AND_STATUS_REG,
BASR_END_DMA_TRANSFER, BASR_END_DMA_TRANSFER,
- HZ / 64) < 0)
+ 0) < 0)
scmd_printk(KERN_ERR, hostdata->connected, "%s: End of DMA timeout\n",
__func__);
}
@@ -662,7 +664,7 @@ static inline int generic_NCR5380_psend(struct NCR5380_hostdata *hostdata,
static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata,
struct scsi_cmnd *cmd)
{
- int transfersize = cmd->SCp.this_residual;
+ int transfersize = NCR5380_to_ncmd(cmd)->this_residual;
if (hostdata->flags & FLAG_NO_PSEUDO_DMA)
return 0;
@@ -674,7 +676,7 @@ static int generic_NCR5380_dma_xfer_len(struct NCR5380_hostdata *hostdata,
/* Limit PDMA send to 512 B to avoid random corruption on DTC3181E */
if (hostdata->board == BOARD_DTC3181E &&
cmd->sc_data_direction == DMA_TO_DEVICE)
- transfersize = min(cmd->SCp.this_residual, 512);
+ transfersize = min(transfersize, 512);
return min(transfersize, DMA_MAX_SIZE);
}
@@ -688,7 +690,7 @@ static int generic_NCR5380_dma_residual(struct NCR5380_hostdata *hostdata)
#include "NCR5380.c"
-static struct scsi_host_template driver_template = {
+static const struct scsi_host_template driver_template = {
.module = THIS_MODULE,
.proc_name = DRV_MODULE_NAME,
.name = "Generic NCR5380/NCR53C400 SCSI",
@@ -701,7 +703,7 @@ static struct scsi_host_template driver_template = {
.sg_tablesize = SG_ALL,
.cmd_per_lun = 2,
.dma_boundary = PAGE_SIZE - 1,
- .cmd_size = NCR5380_CMD_SIZE,
+ .cmd_size = sizeof(struct NCR5380_cmd),
.max_sectors = 128,
};
@@ -719,12 +721,11 @@ static int generic_NCR5380_isa_match(struct device *pdev, unsigned int ndev)
return 1;
}
-static int generic_NCR5380_isa_remove(struct device *pdev,
- unsigned int ndev)
+static void generic_NCR5380_isa_remove(struct device *pdev,
+ unsigned int ndev)
{
generic_NCR5380_release_resources(dev_get_drvdata(pdev));
dev_set_drvdata(pdev, NULL);
- return 0;
}
static struct isa_driver generic_NCR5380_isa_driver = {