[libata sata_mv] trim trailing whitespace

diff --git a/drivers/scsi/sata_mv.c b/drivers/scsi/sata_mv.c
index 82d1750e779bef6e3589ae929d6a0e6a70ae641e..26e9d51e6caf01fe01e60a1c9f11b6c5e214ff2c 100644 (file)
--- a/drivers/scsi/sata_mv.c
+++ b/drivers/scsi/sata_mv.c
@@ -1,7 +1,7 @@
 /*
  * sata_mv.c - Marvell SATA support
  *
- * Copyright 2005: EMC Corporation, all rights reserved. 
+ * Copyright 2005: EMC Corporation, all rights reserved.
  *
  * Please ALWAYS copy linux-ide@vger.kernel.org on emails.
  *
@@ -84,7 +84,7 @@ enum {
        MV_FLAG_GLBL_SFT_RST    = (1 << 28),  /* Global Soft Reset support */
        MV_COMMON_FLAGS         = (ATA_FLAG_SATA | ATA_FLAG_NO_LEGACY |
                                   ATA_FLAG_SATA_RESET | ATA_FLAG_MMIO),
-       MV_6XXX_FLAGS           = (MV_FLAG_IRQ_COALESCE | 
+       MV_6XXX_FLAGS           = (MV_FLAG_IRQ_COALESCE |
                                   MV_FLAG_GLBL_SFT_RST),
 
        chip_504x               = 0,
@@ -129,7 +129,7 @@ enum {
        SELF_INT                = (1 << 23),
        TWSI_INT                = (1 << 24),
        HC_MAIN_RSVD            = (0x7f << 25), /* bits 31-25 */
-       HC_MAIN_MASKED_IRQS     = (TRAN_LO_DONE | TRAN_HI_DONE | 
+       HC_MAIN_MASKED_IRQS     = (TRAN_LO_DONE | TRAN_HI_DONE |
                                   PORTS_0_7_COAL_DONE | GPIO_INT | TWSI_INT |
                                   HC_MAIN_RSVD),
 
@@ -177,12 +177,12 @@ enum {
        EDMA_ERR_LNK_CTRL_TX    = (0x1f << 21),
        EDMA_ERR_LNK_DATA_TX    = (0x1f << 26),
        EDMA_ERR_TRANS_PROTO    = (1 << 31),
-       EDMA_ERR_FATAL          = (EDMA_ERR_D_PAR | EDMA_ERR_PRD_PAR | 
+       EDMA_ERR_FATAL          = (EDMA_ERR_D_PAR | EDMA_ERR_PRD_PAR |
                                   EDMA_ERR_DEV_DCON | EDMA_ERR_CRBQ_PAR |
                                   EDMA_ERR_CRPB_PAR | EDMA_ERR_INTRL_PAR |
-                                  EDMA_ERR_IORDY | EDMA_ERR_LNK_CTRL_RX_2 | 
+                                  EDMA_ERR_IORDY | EDMA_ERR_LNK_CTRL_RX_2 |
                                   EDMA_ERR_LNK_DATA_RX |
-                                  EDMA_ERR_LNK_DATA_TX | 
+                                  EDMA_ERR_LNK_DATA_TX |
                                   EDMA_ERR_TRANS_PROTO),
 
        EDMA_REQ_Q_BASE_HI_OFS  = 0x10,
@@ -345,7 +345,7 @@ static struct ata_port_info mv_port_info[] = {
        },
        {  /* chip_608x */
                .sht            = &mv_sht,
-               .host_flags     = (MV_COMMON_FLAGS | MV_6XXX_FLAGS | 
+               .host_flags     = (MV_COMMON_FLAGS | MV_6XXX_FLAGS |
                                   MV_FLAG_DUAL_HC),
                .pio_mask       = 0x1f, /* pio0-4 */
                .udma_mask      = 0x7f, /* udma0-6 */
@@ -393,7 +393,7 @@ static inline void __iomem *mv_hc_base(void __iomem *base, unsigned int hc)
 static inline void __iomem *mv_port_base(void __iomem *base, unsigned int port)
 {
        return (mv_hc_base(base, port >> MV_PORT_HC_SHIFT) +
-               MV_SATAHC_ARBTR_REG_SZ + 
+               MV_SATAHC_ARBTR_REG_SZ +
                ((port & MV_PORT_MASK) * MV_PORT_REG_SZ));
 }
 
@@ -456,7 +456,7 @@ static void mv_stop_dma(struct ata_port *ap)
        } else {
                assert(!(EDMA_EN & readl(port_mmio + EDMA_CMD_OFS)));
        }
-       
+
        /* now properly wait for the eDMA to stop */
        for (i = 1000; i > 0; i--) {
                reg = readl(port_mmio + EDMA_CMD_OFS);
@@ -507,7 +507,7 @@ static void mv_dump_all_regs(void __iomem *mmio_base, int port,
                             struct pci_dev *pdev)
 {
 #ifdef ATA_DEBUG
-       void __iomem *hc_base = mv_hc_base(mmio_base, 
+       void __iomem *hc_base = mv_hc_base(mmio_base,
                                           port >> MV_PORT_HC_SHIFT);
        void __iomem *port_base;
        int start_port, num_ports, p, start_hc, num_hcs, hc;
@@ -521,7 +521,7 @@ static void mv_dump_all_regs(void __iomem *mmio_base, int port,
                start_port = port;
                num_ports = num_hcs = 1;
        }
-       DPRINTK("All registers for port(s) %u-%u:\n", start_port, 
+       DPRINTK("All registers for port(s) %u-%u:\n", start_port,
                num_ports > 1 ? num_ports - 1 : start_port);
 
        if (NULL != pdev) {
@@ -705,7 +705,7 @@ static int mv_port_start(struct ata_port *ap)
                goto err_out;
        memset(pp, 0, sizeof(*pp));
 
-       mem = dma_alloc_coherent(dev, MV_PORT_PRIV_DMA_SZ, &mem_dma, 
+       mem = dma_alloc_coherent(dev, MV_PORT_PRIV_DMA_SZ, &mem_dma,
                                 GFP_KERNEL);
        if (!mem)
                goto err_out_pp;
@@ -715,7 +715,7 @@ static int mv_port_start(struct ata_port *ap)
        if (rc)
                goto err_out_priv;
 
-       /* First item in chunk of DMA memory: 
+       /* First item in chunk of DMA memory:
         * 32-slot command request table (CRQB), 32 bytes each in size
         */
        pp->crqb = mem;
@@ -723,7 +723,7 @@ static int mv_port_start(struct ata_port *ap)
        mem += MV_CRQB_Q_SZ;
        mem_dma += MV_CRQB_Q_SZ;
 
-       /* Second item: 
+       /* Second item:
         * 32-slot command response table (CRPB), 8 bytes each in size
         */
        pp->crpb = mem;
@@ -737,18 +737,18 @@ static int mv_port_start(struct ata_port *ap)
        pp->sg_tbl = mem;
        pp->sg_tbl_dma = mem_dma;
 
-       writelfl(EDMA_CFG_Q_DEPTH | EDMA_CFG_RD_BRST_EXT | 
+       writelfl(EDMA_CFG_Q_DEPTH | EDMA_CFG_RD_BRST_EXT |
                 EDMA_CFG_WR_BUFF_LEN, port_mmio + EDMA_CFG_OFS);
 
        writel((pp->crqb_dma >> 16) >> 16, port_mmio + EDMA_REQ_Q_BASE_HI_OFS);
-       writelfl(pp->crqb_dma & EDMA_REQ_Q_BASE_LO_MASK, 
+       writelfl(pp->crqb_dma & EDMA_REQ_Q_BASE_LO_MASK,
                 port_mmio + EDMA_REQ_Q_IN_PTR_OFS);
 
        writelfl(0, port_mmio + EDMA_REQ_Q_OUT_PTR_OFS);
        writelfl(0, port_mmio + EDMA_RSP_Q_IN_PTR_OFS);
 
        writel((pp->crpb_dma >> 16) >> 16, port_mmio + EDMA_RSP_Q_BASE_HI_OFS);
-       writelfl(pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK, 
+       writelfl(pp->crpb_dma & EDMA_RSP_Q_BASE_LO_MASK,
                 port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
 
        pp->req_producer = pp->rsp_consumer = 0;
@@ -863,7 +863,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
        }
 
        /* the req producer index should be the same as we remember it */
-       assert(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >> 
+       assert(((readl(mv_ap_base(qc->ap) + EDMA_REQ_Q_IN_PTR_OFS) >>
                 EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
               pp->req_producer);
 
@@ -875,9 +875,9 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
        assert(MV_MAX_Q_DEPTH > qc->tag);
        flags |= qc->tag << CRQB_TAG_SHIFT;
 
-       pp->crqb[pp->req_producer].sg_addr = 
+       pp->crqb[pp->req_producer].sg_addr =
                cpu_to_le32(pp->sg_tbl_dma & 0xffffffff);
-       pp->crqb[pp->req_producer].sg_addr_hi = 
+       pp->crqb[pp->req_producer].sg_addr_hi =
                cpu_to_le32((pp->sg_tbl_dma >> 16) >> 16);
        pp->crqb[pp->req_producer].ctrl_flags = cpu_to_le16(flags);
 
@@ -900,7 +900,7 @@ static void mv_qc_prep(struct ata_queued_cmd *qc)
 #ifdef LIBATA_NCQ              /* FIXME: remove this line when NCQ added */
        case ATA_CMD_FPDMA_READ:
        case ATA_CMD_FPDMA_WRITE:
-               mv_crqb_pack_cmd(cw++, tf->hob_feature, ATA_REG_FEATURE, 0); 
+               mv_crqb_pack_cmd(cw++, tf->hob_feature, ATA_REG_FEATURE, 0);
                mv_crqb_pack_cmd(cw++, tf->feature, ATA_REG_FEATURE, 0);
                break;
 #endif                         /* FIXME: remove this line when NCQ added */
@@ -966,7 +966,7 @@ static int mv_qc_issue(struct ata_queued_cmd *qc)
               pp->req_producer);
        /* until we do queuing, the queue should be empty at this point */
        assert(((in_ptr >> EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
-              ((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) >> 
+              ((readl(port_mmio + EDMA_REQ_Q_OUT_PTR_OFS) >>
                 EDMA_REQ_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK));
 
        mv_inc_q_index(&pp->req_producer);      /* now incr producer index */
@@ -1003,15 +1003,15 @@ static u8 mv_get_crpb_status(struct ata_port *ap)
        out_ptr = readl(port_mmio + EDMA_RSP_Q_OUT_PTR_OFS);
 
        /* the response consumer index should be the same as we remember it */
-       assert(((out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) == 
+       assert(((out_ptr >> EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
               pp->rsp_consumer);
 
        /* increment our consumer index... */
        pp->rsp_consumer = mv_inc_q_index(&pp->rsp_consumer);
-       
+
        /* and, until we do NCQ, there should only be 1 CRPB waiting */
-       assert(((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS) >> 
-                EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) == 
+       assert(((readl(port_mmio + EDMA_RSP_Q_IN_PTR_OFS) >>
+                EDMA_RSP_Q_PTR_SHIFT) & MV_MAX_Q_DEPTH_MASK) ==
               pp->rsp_consumer);
 
        /* write out our inc'd consumer index so EDMA knows we're caught up */
@@ -1135,7 +1135,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
                        err_mask |= AC_ERR_OTHER;
                        handled++;
                }
-               
+
                if (handled && ap) {
                        qc = ata_qc_from_tag(ap, ap->active_tag);
                        if (NULL != qc) {
@@ -1150,7 +1150,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
 }
 
 /**
- *      mv_interrupt - 
+ *      mv_interrupt -
  *      @irq: unused
  *      @dev_instance: private data; in this case the host structure
  *      @regs: unused
@@ -1160,7 +1160,7 @@ static void mv_host_intr(struct ata_host_set *host_set, u32 relevant,
  *      routine to handle.  Also check for PCI errors which are only
  *      reported here.
  *
- *      LOCKING: 
+ *      LOCKING:
  *      This routine holds the host_set lock while processing pending
  *      interrupts.
  */
@@ -1303,12 +1303,12 @@ static void mv_eng_timeout(struct ata_port *ap)
 
        printk(KERN_ERR "ata%u: Entering mv_eng_timeout\n",ap->id);
        DPRINTK("All regs @ start of eng_timeout\n");
-       mv_dump_all_regs(ap->host_set->mmio_base, ap->port_no, 
+       mv_dump_all_regs(ap->host_set->mmio_base, ap->port_no,
                         to_pci_dev(ap->host_set->dev));
 
        qc = ata_qc_from_tag(ap, ap->active_tag);
         printk(KERN_ERR "mmio_base %p ap %p qc %p scsi_cmnd %p &cmnd %p\n",
-              ap->host_set->mmio_base, ap, qc, qc->scsicmd, 
+              ap->host_set->mmio_base, ap, qc, qc->scsicmd,
               &qc->scsicmd->cmnd);
 
        mv_err_intr(ap);
@@ -1348,17 +1348,17 @@ static void mv_port_init(struct ata_ioports *port,  void __iomem *port_mmio)
        unsigned long shd_base = (unsigned long) port_mmio + SHD_BLK_OFS;
        unsigned serr_ofs;
 
-       /* PIO related setup 
+       /* PIO related setup
         */
        port->data_addr = shd_base + (sizeof(u32) * ATA_REG_DATA);
-       port->error_addr = 
+       port->error_addr =
                port->feature_addr = shd_base + (sizeof(u32) * ATA_REG_ERR);
        port->nsect_addr = shd_base + (sizeof(u32) * ATA_REG_NSECT);
        port->lbal_addr = shd_base + (sizeof(u32) * ATA_REG_LBAL);
        port->lbam_addr = shd_base + (sizeof(u32) * ATA_REG_LBAM);
        port->lbah_addr = shd_base + (sizeof(u32) * ATA_REG_LBAH);
        port->device_addr = shd_base + (sizeof(u32) * ATA_REG_DEVICE);
-       port->status_addr = 
+       port->status_addr =
                port->command_addr = shd_base + (sizeof(u32) * ATA_REG_STATUS);
        /* special case: control/altstatus doesn't have ATA_REG_ address */
        port->altstatus_addr = port->ctl_addr = shd_base + SHD_CTL_AST_OFS;
@@ -1374,7 +1374,7 @@ static void mv_port_init(struct ata_ioports *port,  void __iomem *port_mmio)
        /* unmask all EDMA error interrupts */
        writelfl(~0, port_mmio + EDMA_ERR_IRQ_MASK_OFS);
 
-       VPRINTK("EDMA cfg=0x%08x EDMA IRQ err cause/mask=0x%08x/0x%08x\n", 
+       VPRINTK("EDMA cfg=0x%08x EDMA IRQ err cause/mask=0x%08x/0x%08x\n",
                readl(port_mmio + EDMA_CFG_OFS),
                readl(port_mmio + EDMA_ERR_IRQ_CAUSE_OFS),
                readl(port_mmio + EDMA_ERR_IRQ_MASK_OFS));
@@ -1396,7 +1396,7 @@ static int mv_host_init(struct ata_probe_ent *probe_ent)
        void __iomem *mmio = probe_ent->mmio_base;
        void __iomem *port_mmio;
 
-       if ((MV_FLAG_GLBL_SFT_RST & probe_ent->host_flags) && 
+       if ((MV_FLAG_GLBL_SFT_RST & probe_ent->host_flags) &&
            mv_global_soft_reset(probe_ent->mmio_base)) {
                rc = 1;
                goto done;
@@ -1430,7 +1430,7 @@ static int mv_host_init(struct ata_probe_ent *probe_ent)
        writelfl(~HC_MAIN_MASKED_IRQS, mmio + HC_MAIN_IRQ_MASK_OFS);
 
        VPRINTK("HC MAIN IRQ cause/mask=0x%08x/0x%08x "
-               "PCI int cause/mask=0x%08x/0x%08x\n", 
+               "PCI int cause/mask=0x%08x/0x%08x\n",
                readl(mmio + HC_MAIN_IRQ_CAUSE_OFS),
                readl(mmio + HC_MAIN_IRQ_MASK_OFS),
                readl(mmio + PCI_IRQ_CAUSE_OFS),
@@ -1470,7 +1470,7 @@ static void mv_print_info(struct ata_probe_ent *probe_ent)
 
        dev_printk(KERN_INFO, &pdev->dev,
               "%u slots %u ports %s mode IRQ via %s\n",
-              (unsigned)MV_MAX_Q_DEPTH, probe_ent->n_ports, 
+              (unsigned)MV_MAX_Q_DEPTH, probe_ent->n_ports,
               scc_s, (MV_HP_FLAG_MSI & hpriv->hp_flags) ? "MSI" : "INTx");
 }