ide: add struct ide_dma_ops (take 3)

[firefly-linux-kernel-4.4.55.git] / drivers / ide / arm / icside.c

diff --git a/drivers/ide/arm/icside.c b/drivers/ide/arm/icside.c
index e816b0ffcfe647a1899161225708014271316517..adfeed45f4c02ac06f3c2ad7050ef63400c078a2 100644 (file)
--- a/drivers/ide/arm/icside.c
+++ b/drivers/ide/arm/icside.c
@@ -191,6 +191,10 @@ static void icside_maskproc(ide_drive_t *drive, int mask)
        local_irq_restore(flags);
 }
 
+static const struct ide_port_ops icside_v6_no_dma_port_ops = {
+       .maskproc               = icside_maskproc,
+};
+
 #ifdef CONFIG_BLK_DEV_IDEDMA_ICS
 /*
  * SG-DMA support.
@@ -266,6 +270,11 @@ static void icside_set_dma_mode(ide_drive_t *drive, const u8 xfer_mode)
                ide_xfer_verbose(xfer_mode), 2000 / drive->drive_data);
 }
 
+static const struct ide_port_ops icside_v6_port_ops = {
+       .set_dma_mode           = icside_set_dma_mode,
+       .maskproc               = icside_maskproc,
+};
+
 static void icside_dma_host_set(ide_drive_t *drive, int on)
 {
 }
@@ -375,32 +384,40 @@ static void icside_dma_lost_irq(ide_drive_t *drive)
        printk(KERN_ERR "%s: IRQ lost\n", drive->name);
 }
 
-static void icside_dma_init(ide_hwif_t *hwif)
+static int icside_dma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
 {
        hwif->dmatable_cpu      = NULL;
        hwif->dmatable_dma      = 0;
-       hwif->set_dma_mode      = icside_set_dma_mode;
-
-       hwif->dma_host_set      = icside_dma_host_set;
-       hwif->dma_setup         = icside_dma_setup;
-       hwif->dma_exec_cmd      = icside_dma_exec_cmd;
-       hwif->dma_start         = icside_dma_start;
-       hwif->ide_dma_end       = icside_dma_end;
-       hwif->ide_dma_test_irq  = icside_dma_test_irq;
-       hwif->dma_timeout       = icside_dma_timeout;
-       hwif->dma_lost_irq      = icside_dma_lost_irq;
+
+       return 0;
 }
+
+static struct ide_dma_ops icside_v6_dma_ops = {
+       .dma_host_set           = icside_dma_host_set,
+       .dma_setup              = icside_dma_setup,
+       .dma_exec_cmd           = icside_dma_exec_cmd,
+       .dma_start              = icside_dma_start,
+       .dma_end                = icside_dma_end,
+       .dma_test_irq           = icside_dma_test_irq,
+       .dma_timeout            = icside_dma_timeout,
+       .dma_lost_irq           = icside_dma_lost_irq,
+};
 #else
-#define icside_dma_init(hwif)  (0)
+#define icside_v6_dma_ops NULL
 #endif
 
+static int icside_dma_off_init(ide_hwif_t *hwif, const struct ide_port_info *d)
+{
+       return -EOPNOTSUPP;
+}
+
 static ide_hwif_t *
 icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *ec)
 {
        unsigned long port = (unsigned long)base + info->dataoffset;
        ide_hwif_t *hwif;
 
-       hwif = ide_find_port(port);
+       hwif = ide_find_port();
        if (hwif) {
                int i;
 
@@ -408,7 +425,6 @@ icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *e
                 * Ensure we're using MMIO
                 */
                default_hwif_mmiops(hwif);
-               hwif->mmio = 1;
 
                for (i = IDE_DATA_OFFSET; i <= IDE_STATUS_OFFSET; i++) {
                        hwif->io_ports[i] = port;
@@ -416,7 +432,6 @@ icside_setup(void __iomem *base, struct cardinfo *info, struct expansion_card *e
                }
                hwif->io_ports[IDE_CONTROL_OFFSET] = (unsigned long)base + info->ctrloffset;
                hwif->irq     = ec->irq;
-               hwif->noprobe = 0;
                hwif->chipset = ide_acorn;
                hwif->gendev.parent = &ec->dev;
                hwif->dev = &ec->dev;
@@ -462,8 +477,10 @@ icside_register_v5(struct icside_state *state, struct expansion_card *ec)
 }
 
 static const struct ide_port_info icside_v6_port_info __initdata = {
+       .init_dma               = icside_dma_off_init,
+       .port_ops               = &icside_v6_no_dma_port_ops,
+       .dma_ops                = &icside_v6_dma_ops,
        .host_flags             = IDE_HFLAG_SERIALIZE |
-                                 IDE_HFLAG_NO_DMA | /* no SFF-style DMA */
                                  IDE_HFLAG_NO_AUTOTUNE,
        .mwdma_mask             = ATA_MWDMA2,
        .swdma_mask             = ATA_SWDMA2,
@@ -526,7 +543,6 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
        state->hwif[0]    = hwif;
        state->hwif[1]    = mate;
 
-       hwif->maskproc    = icside_maskproc;
        hwif->hwif_data   = state;
        hwif->config_data = (unsigned long)ioc_base;
        hwif->select_data = sel;
@@ -537,10 +553,10 @@ icside_register_v6(struct icside_state *state, struct expansion_card *ec)
        mate->select_data = sel | 1;
 
        if (ec->dma != NO_DMA && !request_dma(ec->dma, hwif->name)) {
-               icside_dma_init(hwif);
-               icside_dma_init(mate);
-       } else
-               d.mwdma_mask = d.swdma_mask = 0;
+               d.init_dma = icside_dma_init;
+               d.port_ops = &icside_v6_dma_port_ops;
+               d.dma_ops = NULL;
+       }
 
        idx[0] = hwif->index;
        idx[1] = mate->index;