USB: usbfs: fix -ENOENT error code to be -ENODEV
[safe/jmp/linux-2.6] / drivers / ide / au1xxx-ide.c
index 154ec2c..58121bd 100644 (file)
@@ -50,7 +50,7 @@ static _auide_hwif auide_hwif;
 
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_PIO_DBDMA)
 
-void auide_insw(unsigned long port, void *addr, u32 count)
+static inline void auide_insw(unsigned long port, void *addr, u32 count)
 {
        _auide_hwif *ahwif = &auide_hwif;
        chan_tab_t *ctp;
@@ -68,7 +68,7 @@ void auide_insw(unsigned long port, void *addr, u32 count)
        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
 }
 
-void auide_outsw(unsigned long port, void *addr, u32 count)
+static inline void auide_outsw(unsigned long port, void *addr, u32 count)
 {
        _auide_hwif *ahwif = &auide_hwif;
        chan_tab_t *ctp;
@@ -86,13 +86,13 @@ void auide_outsw(unsigned long port, void *addr, u32 count)
        ctp->cur_ptr = au1xxx_ddma_get_nextptr_virt(dp);
 }
 
-static void au1xxx_input_data(ide_drive_t *drive, struct request *rq,
+static void au1xxx_input_data(ide_drive_t *drive, struct ide_cmd *cmd,
                              void *buf, unsigned int len)
 {
        auide_insw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
 }
 
-static void au1xxx_output_data(ide_drive_t *drive, struct request *rq,
+static void au1xxx_output_data(ide_drive_t *drive, struct ide_cmd *cmd,
                               void *buf, unsigned int len)
 {
        auide_outsw(drive->hwif->io_ports.data_addr, buf, (len + 1) / 2);
@@ -209,23 +209,17 @@ static void auide_set_dma_mode(ide_drive_t *drive, const u8 speed)
  */
 
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
-static int auide_build_dmatable(ide_drive_t *drive)
+static int auide_build_dmatable(ide_drive_t *drive, struct ide_cmd *cmd)
 {
-       int i, iswrite, count = 0;
        ide_hwif_t *hwif = drive->hwif;
-       struct request *rq = hwif->rq;
        _auide_hwif *ahwif = &auide_hwif;
        struct scatterlist *sg;
+       int i = cmd->sg_nents, count = 0;
+       int iswrite = !!(cmd->tf_flags & IDE_TFLAG_WRITE);
 
-       iswrite = (rq_data_dir(rq) == WRITE);
        /* Save for interrupt context */
        ahwif->drive = drive;
 
-       hwif->sg_nents = i = ide_build_sglist(drive, rq);
-
-       if (!i)
-               return 0;
-
        /* fill the descriptors */
        sg = hwif->sg_table;
        while (i && sg_dma_len(sg)) {
@@ -242,7 +236,7 @@ static int auide_build_dmatable(ide_drive_t *drive)
                        if (++count >= PRD_ENTRIES) {
                                printk(KERN_WARNING "%s: DMA table too small\n",
                                       drive->name);
-                               goto use_pio_instead;
+                               return 0;
                        }
 
                        /* Lets enable intr for the last descriptor only */
@@ -278,21 +272,11 @@ static int auide_build_dmatable(ide_drive_t *drive)
        if (count)
                return 1;
 
- use_pio_instead:
-       ide_destroy_dmatable(drive);
-
        return 0; /* revert to PIO for this request */
 }
 
 static int auide_dma_end(ide_drive_t *drive)
 {
-       ide_hwif_t *hwif = drive->hwif;
-
-       if (hwif->sg_nents) {
-               ide_destroy_dmatable(drive);
-               hwif->sg_nents = 0;
-       }
-
        return 0;
 }
 
@@ -301,23 +285,11 @@ static void auide_dma_start(ide_drive_t *drive )
 }
 
 
-static void auide_dma_exec_cmd(ide_drive_t *drive, u8 command)
+static int auide_dma_setup(ide_drive_t *drive, struct ide_cmd *cmd)
 {
-       /* issue cmd to drive */
-       ide_execute_command(drive, command, &ide_dma_intr,
-                           (2*WAIT_CMD), NULL);
-}
-
-static int auide_dma_setup(ide_drive_t *drive)
-{
-       struct request *rq = drive->hwif->rq;
-
-       if (!auide_build_dmatable(drive)) {
-               ide_map_sg(drive, rq);
+       if (auide_build_dmatable(drive, cmd) == 0)
                return 1;
-       }
 
-       drive->waiting_for_dma = 1;
        return 0;
 }
 
@@ -342,16 +314,11 @@ static void auide_dma_host_set(ide_drive_t *drive, int on)
 
 static void auide_ddma_tx_callback(int irq, void *param)
 {
-       _auide_hwif *ahwif = (_auide_hwif*)param;
-       ahwif->drive->waiting_for_dma = 0;
 }
 
 static void auide_ddma_rx_callback(int irq, void *param)
 {
-       _auide_hwif *ahwif = (_auide_hwif*)param;
-       ahwif->drive->waiting_for_dma = 0;
 }
-
 #endif /* end CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA */
 
 static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 devwidth, u32 flags)
@@ -369,12 +336,10 @@ static void auide_init_dbdma_dev(dbdev_tab_t *dev, u32 dev_id, u32 tsize, u32 de
 static const struct ide_dma_ops au1xxx_dma_ops = {
        .dma_host_set           = auide_dma_host_set,
        .dma_setup              = auide_dma_setup,
-       .dma_exec_cmd           = auide_dma_exec_cmd,
        .dma_start              = auide_dma_start,
        .dma_end                = auide_dma_end,
        .dma_test_irq           = auide_dma_test_irq,
        .dma_lost_irq           = ide_dma_lost_irq,
-       .dma_timeout            = ide_dma_timeout,
 };
 
 static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
@@ -484,7 +449,7 @@ static int auide_ddma_init(ide_hwif_t *hwif, const struct ide_port_info *d)
 }
 #endif
 
-static void auide_setup_ports(hw_regs_t *hw, _auide_hwif *ahwif)
+static void auide_setup_ports(struct ide_hw *hw, _auide_hwif *ahwif)
 {
        int i;
        unsigned long *ata_regs = hw->io_ports_array;
@@ -502,9 +467,9 @@ static const struct ide_tp_ops au1xxx_tp_ops = {
        .exec_command           = ide_exec_command,
        .read_status            = ide_read_status,
        .read_altstatus         = ide_read_altstatus,
+       .write_devctl           = ide_write_devctl,
 
-       .set_irq                = ide_set_irq,
-
+       .dev_select             = ide_dev_select,
        .tf_load                = ide_tf_load,
        .tf_read                = ide_tf_read,
 
@@ -534,6 +499,7 @@ static const struct ide_port_info au1xxx_port_info = {
 #ifdef CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA
        .mwdma_mask             = ATA_MWDMA2,
 #endif
+       .chipset                = ide_au1xxx,
 };
 
 static int au_ide_probe(struct platform_device *dev)
@@ -542,7 +508,7 @@ static int au_ide_probe(struct platform_device *dev)
        struct resource *res;
        struct ide_host *host;
        int ret = 0;
-       hw_regs_t hw, *hws[] = { &hw, NULL, NULL, NULL };
+       struct ide_hw hw, *hws[] = { &hw };
 
 #if defined(CONFIG_BLK_DEV_IDE_AU1XXX_MDMA2_DBDMA)
        char *mode = "MWDMA2";
@@ -583,9 +549,8 @@ static int au_ide_probe(struct platform_device *dev)
        auide_setup_ports(&hw, ahwif);
        hw.irq = ahwif->irq;
        hw.dev = &dev->dev;
-       hw.chipset = ide_au1xxx;
 
-       ret = ide_host_add(&au1xxx_port_info, hws, &host);
+       ret = ide_host_add(&au1xxx_port_info, hws, 1, &host);
        if (ret)
                goto out;