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path: root/drivers/ata/pata_cmd640.c
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Diffstat (limited to 'drivers/ata/pata_cmd640.c')
-rw-r--r--drivers/ata/pata_cmd640.c34
1 files changed, 20 insertions, 14 deletions
diff --git a/drivers/ata/pata_cmd640.c b/drivers/ata/pata_cmd640.c
index 4d01d4692412..ab9468d16edb 100644
--- a/drivers/ata/pata_cmd640.c
+++ b/drivers/ata/pata_cmd640.c
@@ -23,7 +23,7 @@
23#include <linux/libata.h> 23#include <linux/libata.h>
24 24
25#define DRV_NAME "pata_cmd640" 25#define DRV_NAME "pata_cmd640"
26#define DRV_VERSION "0.0.3" 26#define DRV_VERSION "0.0.5"
27 27
28struct cmd640_reg { 28struct cmd640_reg {
29 int last; 29 int last;
@@ -43,6 +43,7 @@ enum {
43 43
44/** 44/**
45 * cmd640_set_piomode - set initial PIO mode data 45 * cmd640_set_piomode - set initial PIO mode data
46 * @ap: ATA port
46 * @adev: ATA device 47 * @adev: ATA device
47 * 48 *
48 * Called to do the PIO mode setup. 49 * Called to do the PIO mode setup.
@@ -106,7 +107,7 @@ static void cmd640_set_piomode(struct ata_port *ap, struct ata_device *adev)
106 pci_write_config_byte(pdev, arttim + 1, (t.active << 4) | t.recover); 107 pci_write_config_byte(pdev, arttim + 1, (t.active << 4) | t.recover);
107 } else { 108 } else {
108 /* Save the shared timings for channel, they will be loaded 109 /* Save the shared timings for channel, they will be loaded
109 by qc_issue_prot. Reloading the setup time is expensive 110 by qc_issue_prot. Reloading the setup time is expensive
110 so we keep a merged one loaded */ 111 so we keep a merged one loaded */
111 pci_read_config_byte(pdev, ARTIM23, &reg); 112 pci_read_config_byte(pdev, ARTIM23, &reg);
112 reg &= 0x3F; 113 reg &= 0x3F;
@@ -219,29 +220,20 @@ static struct ata_port_operations cmd640_port_ops = {
219 .port_start = cmd640_port_start, 220 .port_start = cmd640_port_start,
220}; 221};
221 222
222static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id) 223static void cmd640_hardware_init(struct pci_dev *pdev)
223{ 224{
224 u8 r; 225 u8 r;
225 u8 ctrl; 226 u8 ctrl;
226 227
227 static struct ata_port_info info = {
228 .sht = &cmd640_sht,
229 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
230 .pio_mask = 0x1f,
231 .port_ops = &cmd640_port_ops
232 };
233
234 static struct ata_port_info *port_info[2] = { &info, &info };
235
236 /* CMD640 detected, commiserations */ 228 /* CMD640 detected, commiserations */
237 pci_write_config_byte(pdev, 0x5C, 0x00); 229 pci_write_config_byte(pdev, 0x5B, 0x00);
238 /* Get version info */ 230 /* Get version info */
239 pci_read_config_byte(pdev, CFR, &r); 231 pci_read_config_byte(pdev, CFR, &r);
240 /* PIO0 command cycles */ 232 /* PIO0 command cycles */
241 pci_write_config_byte(pdev, CMDTIM, 0); 233 pci_write_config_byte(pdev, CMDTIM, 0);
242 /* 512 byte bursts (sector) */ 234 /* 512 byte bursts (sector) */
243 pci_write_config_byte(pdev, BRST, 0x40); 235 pci_write_config_byte(pdev, BRST, 0x40);
244 /* 236 /*
245 * A reporter a long time ago 237 * A reporter a long time ago
246 * Had problems with the data fifo 238 * Had problems with the data fifo
247 * So don't run the risk 239 * So don't run the risk
@@ -255,12 +247,26 @@ static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
255 pci_read_config_byte(pdev, ARTIM23, &ctrl); 247 pci_read_config_byte(pdev, ARTIM23, &ctrl);
256 ctrl |= 0x0C; 248 ctrl |= 0x0C;
257 pci_write_config_byte(pdev, ARTIM23, ctrl); 249 pci_write_config_byte(pdev, ARTIM23, ctrl);
250}
251
252static int cmd640_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
253{
254 static struct ata_port_info info = {
255 .sht = &cmd640_sht,
256 .flags = ATA_FLAG_SLAVE_POSS | ATA_FLAG_SRST,
257 .pio_mask = 0x1f,
258 .port_ops = &cmd640_port_ops
259 };
260
261 static struct ata_port_info *port_info[2] = { &info, &info };
258 262
263 cmd640_hardware_init(pdev);
259 return ata_pci_init_one(pdev, port_info, 2); 264 return ata_pci_init_one(pdev, port_info, 2);
260} 265}
261 266
262static int cmd640_reinit_one(struct pci_dev *pdev) 267static int cmd640_reinit_one(struct pci_dev *pdev)
263{ 268{
269 cmd640_hardware_init(pdev);
264 return ata_pci_device_resume(pdev); 270 return ata_pci_device_resume(pdev);
265} 271}
266 272