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path: root/drivers/ide/ide-io-std.c
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Diffstat (limited to 'drivers/ide/ide-io-std.c')
-rw-r--r--drivers/ide/ide-io-std.c25
1 files changed, 1 insertions, 24 deletions
diff --git a/drivers/ide/ide-io-std.c b/drivers/ide/ide-io-std.c
index 481e221b233d..46721c454518 100644
--- a/drivers/ide/ide-io-std.c
+++ b/drivers/ide/ide-io-std.c
@@ -112,13 +112,11 @@ void ide_tf_load(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)
112} 112}
113EXPORT_SYMBOL_GPL(ide_tf_load); 113EXPORT_SYMBOL_GPL(ide_tf_load);
114 114
115void ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd) 115void ide_tf_read(ide_drive_t *drive, struct ide_taskfile *tf, u8 valid)
116{ 116{
117 ide_hwif_t *hwif = drive->hwif; 117 ide_hwif_t *hwif = drive->hwif;
118 struct ide_io_ports *io_ports = &hwif->io_ports; 118 struct ide_io_ports *io_ports = &hwif->io_ports;
119 struct ide_taskfile *tf = &cmd->tf;
120 u8 (*tf_inb)(unsigned long port); 119 u8 (*tf_inb)(unsigned long port);
121 u8 valid = cmd->valid.in.tf;
122 u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0; 120 u8 mmio = (hwif->host_flags & IDE_HFLAG_MMIO) ? 1 : 0;
123 121
124 if (mmio) 122 if (mmio)
@@ -126,9 +124,6 @@ void ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
126 else 124 else
127 tf_inb = ide_inb; 125 tf_inb = ide_inb;
128 126
129 /* be sure we're looking at the low order bits */
130 hwif->tp_ops->write_devctl(hwif, ATA_DEVCTL_OBS);
131
132 if (valid & IDE_VALID_ERROR) 127 if (valid & IDE_VALID_ERROR)
133 tf->error = tf_inb(io_ports->feature_addr); 128 tf->error = tf_inb(io_ports->feature_addr);
134 if (valid & IDE_VALID_NSECT) 129 if (valid & IDE_VALID_NSECT)
@@ -141,24 +136,6 @@ void ide_tf_read(ide_drive_t *drive, struct ide_cmd *cmd)
141 tf->lbah = tf_inb(io_ports->lbah_addr); 136 tf->lbah = tf_inb(io_ports->lbah_addr);
142 if (valid & IDE_VALID_DEVICE) 137 if (valid & IDE_VALID_DEVICE)
143 tf->device = tf_inb(io_ports->device_addr); 138 tf->device = tf_inb(io_ports->device_addr);
144
145 if (cmd->tf_flags & IDE_TFLAG_LBA48) {
146 hwif->tp_ops->write_devctl(hwif, ATA_HOB | ATA_DEVCTL_OBS);
147
148 tf = &cmd->hob;
149 valid = cmd->valid.in.hob;
150
151 if (valid & IDE_VALID_ERROR)
152 tf->error = tf_inb(io_ports->feature_addr);
153 if (valid & IDE_VALID_NSECT)
154 tf->nsect = tf_inb(io_ports->nsect_addr);
155 if (valid & IDE_VALID_LBAL)
156 tf->lbal = tf_inb(io_ports->lbal_addr);
157 if (valid & IDE_VALID_LBAM)
158 tf->lbam = tf_inb(io_ports->lbam_addr);
159 if (valid & IDE_VALID_LBAH)
160 tf->lbah = tf_inb(io_ports->lbah_addr);
161 }
162} 139}
163EXPORT_SYMBOL_GPL(ide_tf_read); 140EXPORT_SYMBOL_GPL(ide_tf_read);
164 141