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path: root/drivers/ide/pci/it8213.c
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Diffstat (limited to 'drivers/ide/pci/it8213.c')
-rw-r--r--drivers/ide/pci/it8213.c24
1 files changed, 11 insertions, 13 deletions
diff --git a/drivers/ide/pci/it8213.c b/drivers/ide/pci/it8213.c
index df74e588a530..e3427eaab430 100644
--- a/drivers/ide/pci/it8213.c
+++ b/drivers/ide/pci/it8213.c
@@ -10,13 +10,10 @@
10#include <linux/types.h> 10#include <linux/types.h>
11#include <linux/module.h> 11#include <linux/module.h>
12#include <linux/pci.h> 12#include <linux/pci.h>
13#include <linux/delay.h>
14#include <linux/hdreg.h> 13#include <linux/hdreg.h>
15#include <linux/ide.h> 14#include <linux/ide.h>
16#include <linux/init.h> 15#include <linux/init.h>
17 16
18#include <asm/io.h>
19
20/** 17/**
21 * it8213_set_pio_mode - set host controller for PIO mode 18 * it8213_set_pio_mode - set host controller for PIO mode
22 * @drive: drive 19 * @drive: drive
@@ -143,6 +140,16 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
143 } 140 }
144} 141}
145 142
143static u8 __devinit it8213_cable_detect(ide_hwif_t *hwif)
144{
145 struct pci_dev *dev = to_pci_dev(hwif->dev);
146 u8 reg42h = 0;
147
148 pci_read_config_byte(dev, 0x42, &reg42h);
149
150 return (reg42h & 0x02) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
151}
152
146/** 153/**
147 * init_hwif_it8213 - set up hwif structs 154 * init_hwif_it8213 - set up hwif structs
148 * @hwif: interface to set up 155 * @hwif: interface to set up
@@ -152,19 +159,10 @@ static void it8213_set_dma_mode(ide_drive_t *drive, const u8 speed)
152 159
153static void __devinit init_hwif_it8213(ide_hwif_t *hwif) 160static void __devinit init_hwif_it8213(ide_hwif_t *hwif)
154{ 161{
155 struct pci_dev *dev = to_pci_dev(hwif->dev);
156 u8 reg42h = 0;
157
158 hwif->set_dma_mode = &it8213_set_dma_mode; 162 hwif->set_dma_mode = &it8213_set_dma_mode;
159 hwif->set_pio_mode = &it8213_set_pio_mode; 163 hwif->set_pio_mode = &it8213_set_pio_mode;
160 164
161 if (!hwif->dma_base) 165 hwif->cable_detect = it8213_cable_detect;
162 return;
163
164 pci_read_config_byte(dev, 0x42, &reg42h);
165
166 if (hwif->cbl != ATA_CBL_PATA40_SHORT)
167 hwif->cbl = (reg42h & 0x02) ? ATA_CBL_PATA40 : ATA_CBL_PATA80;
168} 166}
169 167
170 168