From 8177c507523e053011861cce08cb73a77d5896e3 Mon Sep 17 00:00:00 2001 From: Ondrej Zary Date: Tue, 17 Nov 2015 19:24:24 +0100 Subject: [PATCH] atp870u: Remove scam_on from struct atp_unit scam_on is used only during probe, no need to keep it later. Signed-off-by: Ondrej Zary Reviewed-by: Hannes Reinicke Acked-by: Christoph Hellwig Signed-off-by: Martin K. Petersen --- drivers/scsi/atp870u.c | 14 +++++++------- drivers/scsi/atp870u.h | 1 - 2 files changed, 7 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/atp870u.c b/drivers/scsi/atp870u.c index 4719df4a2a06..dd0b520f7dd4 100644 --- a/drivers/scsi/atp870u.c +++ b/drivers/scsi/atp870u.c @@ -963,7 +963,7 @@ static unsigned char fun_scam(struct atp_unit *dev, unsigned short int *val) return j; } -static void tscam(struct Scsi_Host *host, bool wide_chip) +static void tscam(struct Scsi_Host *host, bool wide_chip, u8 scam_on) { unsigned char i, j, k; @@ -986,7 +986,7 @@ static void tscam(struct Scsi_Host *host, bool wide_chip) atp_writeb_io(dev, 0, 2, 0x7f); atp_writeb_io(dev, 0, 0x11, 0x20); - if ((dev->scam_on & 0x40) == 0) { + if ((scam_on & 0x40) == 0) { return; } m = 1; @@ -1311,7 +1311,6 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) " IO:%lx, IRQ:%d.\n", shpnt->io_port, shpnt->irq); atpdev->host_id[0] = host_id; - atpdev->scam_on = atp_readb_base(atpdev, 0x22); atpdev->global_map[0] = atp_readb_base(atpdev, 0x35); atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x3c); @@ -1384,7 +1383,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) atp_set_host_id(atpdev, 0, host_id); - tscam(shpnt, true); + tscam(shpnt, true, atp_readb_base(atpdev, 0x22)); atp_is(atpdev, 0, true, atp_readb_base(atpdev, 0x3f) & 0x40); atp_writeb_base(atpdev, 0x38, 0xb0); shpnt->max_id = 16; @@ -1509,6 +1508,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) shpnt->max_channel = 1; shpnt->this_id = atpdev->host_id[0]; } else { + u8 scam_on; bool wide_chip = (ent->device == PCI_DEVICE_ID_ARTOP_AEC7610 && pdev->revision == 4) || @@ -1523,12 +1523,12 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) atpdev->pciport[0] = shpnt->io_port + 0x20; host_id &= 0x07; atpdev->host_id[0] = host_id; - atpdev->scam_on = atp_readb_pci(atpdev, 0, 2); + scam_on = atp_readb_pci(atpdev, 0, 2); atpdev->global_map[0] = atp_readb_base(atpdev, 0x2d); atpdev->ultra_map[0] = atp_readw_base(atpdev, 0x2e); if (atpdev->ultra_map[0] == 0) { - atpdev->scam_on = 0x00; + scam_on = 0x00; atpdev->global_map[0] = 0x20; atpdev->ultra_map[0] = 0xffff; } @@ -1551,7 +1551,7 @@ static int atp870u_probe(struct pci_dev *pdev, const struct pci_device_id *ent) atp_set_host_id(atpdev, 0, host_id); - tscam(shpnt, wide_chip); + tscam(shpnt, wide_chip, scam_on); atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) | 0x10); atp_is(atpdev, 0, wide_chip, 0); atp_writeb_base(atpdev, 0x3a, atp_readb_base(atpdev, 0x3a) & 0xef); diff --git a/drivers/scsi/atp870u.h b/drivers/scsi/atp870u.h index f9d62a217089..9b839b1e895a 100644 --- a/drivers/scsi/atp870u.h +++ b/drivers/scsi/atp870u.h @@ -32,7 +32,6 @@ struct atp_unit unsigned char quhd[2]; unsigned char quend[2]; unsigned char global_map[2]; - unsigned char scam_on; unsigned char host_id[2]; unsigned int working[2]; unsigned short wide_id[2]; -- GitLab