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Commit 74811f35 authored by Bartlomiej Zolnierkiewicz's avatar Bartlomiej Zolnierkiewicz
Browse files

hpt366: convert to use ->host_priv 



While at it:

* Allocate both struct hpt_info instances at once.

Cc: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Signed-off-by: default avatarBartlomiej Zolnierkiewicz <bzolnier@gmail.com>
parent 60e57ed7

drivers/ide/pci/hpt366.c

+41 −31
Original line number Diff line number Diff line
@@ -620,7 +620,8 @@ static u8 hpt3xx_udma_filter(ide_drive_t *drive) 
{

	ide_hwif_t *hwif	= HWIF(drive);

	struct pci_dev *dev	= to_pci_dev(hwif->dev);

	struct hpt_info *info	= pci_get_drvdata(dev);

	struct ide_host *host	= pci_get_drvdata(dev);

	struct hpt_info *info	= host->host_priv + (hwif->dev == host->dev[1]);

	u8 mask 		= hwif->ultra_mask;



	switch (info->chip_type) {
@@ -660,7 +661,8 @@ static u8 hpt3xx_mdma_filter(ide_drive_t *drive) 
{

	ide_hwif_t *hwif	= HWIF(drive);

	struct pci_dev *dev	= to_pci_dev(hwif->dev);

	struct hpt_info *info	= pci_get_drvdata(dev);

	struct ide_host *host	= pci_get_drvdata(dev);

	struct hpt_info *info	= host->host_priv + (hwif->dev == host->dev[1]);



	switch (info->chip_type) {

	case HPT372 :
@@ -694,8 +696,10 @@ static u32 get_speed_setting(u8 speed, struct hpt_info *info) 


static void hpt3xx_set_mode(ide_drive_t *drive, const u8 speed)

{

	struct pci_dev  *dev	= to_pci_dev(drive->hwif->dev);

	struct hpt_info	*info	= pci_get_drvdata(dev);

	ide_hwif_t *hwif	= drive->hwif;

	struct pci_dev *dev	= to_pci_dev(hwif->dev);

	struct ide_host *host	= pci_get_drvdata(dev);

	struct hpt_info *info	= host->host_priv + (hwif->dev == host->dev[1]);

	struct hpt_timings *t	= info->timings;

	u8  itr_addr		= 0x40 + (drive->dn * 4);

	u32 old_itr		= 0;
@@ -738,7 +742,8 @@ static void hpt3xx_maskproc(ide_drive_t *drive, int mask) 
{

	ide_hwif_t *hwif	= HWIF(drive);

	struct pci_dev	*dev	= to_pci_dev(hwif->dev);

	struct hpt_info *info	= pci_get_drvdata(dev);

	struct ide_host *host	= pci_get_drvdata(dev);

	struct hpt_info *info	= host->host_priv + (hwif->dev == host->dev[1]);



	if (drive->quirk_list) {

		if (info->chip_type >= HPT370) {
@@ -965,22 +970,13 @@ static int __devinit hpt37x_calibrate_dpll(struct pci_dev *dev, u16 f_low, u16 f 


static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const char *name)

{

	struct hpt_info *info	= kmalloc(sizeof(struct hpt_info), GFP_KERNEL);

	unsigned long io_base	= pci_resource_start(dev, 4);

	struct ide_host *host	= pci_get_drvdata(dev);

	struct hpt_info *info	= host->host_priv + (&dev->dev == host->dev[1]);

	u8 pci_clk,  dpll_clk	= 0;	/* PCI and DPLL clock in MHz */

	u8 chip_type;

	enum ata_clock	clock;



	if (info == NULL) {

		printk(KERN_ERR "%s: out of memory!\n", name);

		return -ENOMEM;

	}



	/*

	 * Copy everything from a static "template" structure

	 * to just allocated per-chip hpt_info structure.

	 */

	memcpy(info, pci_get_drvdata(dev), sizeof(struct hpt_info));

	chip_type = info->chip_type;



	pci_write_config_byte(dev, PCI_CACHE_LINE_SIZE, (L1_CACHE_BYTES / 4));
@@ -1142,7 +1138,6 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha 


		if (info->timings->clock_table[clock] == NULL) {

			printk(KERN_ERR "%s: unknown bus timing!\n", name);

			kfree(info);

			return -EIO;

		}
@@ -1169,7 +1164,6 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha 
		}

		if (adjust == 8) {

			printk(KERN_ERR "%s: DPLL did not stabilize!\n", name);

			kfree(info);

			return -EIO;

		}
@@ -1186,9 +1180,6 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha 
	info->pci_clk	= pci_clk;

	info->clock	= clock;



	/* Point to this chip's own instance of the hpt_info structure. */

	pci_set_drvdata(dev, info);



	if (chip_type >= HPT370) {

		u8  mcr1, mcr4;
@@ -1218,7 +1209,8 @@ static unsigned int __devinit init_chipset_hpt366(struct pci_dev *dev, const cha 
static u8 __devinit hpt3xx_cable_detect(ide_hwif_t *hwif)

{

	struct pci_dev	*dev	= to_pci_dev(hwif->dev);

	struct hpt_info *info	= pci_get_drvdata(dev);

	struct ide_host *host	= pci_get_drvdata(dev);

	struct hpt_info *info	= host->host_priv + (hwif->dev == host->dev[1]);

	u8 chip_type		= info->chip_type;

	u8 scr1 = 0, ata66	= hwif->channel ? 0x01 : 0x02;
@@ -1262,7 +1254,8 @@ static u8 __devinit hpt3xx_cable_detect(ide_hwif_t *hwif) 
static void __devinit init_hwif_hpt366(ide_hwif_t *hwif)

{

	struct pci_dev *dev	= to_pci_dev(hwif->dev);

	struct hpt_info *info	= pci_get_drvdata(dev);

	struct ide_host *host	= pci_get_drvdata(dev);

	struct hpt_info *info	= host->host_priv + (hwif->dev == host->dev[1]);

	int serialize		= HPT_SERIALIZE_IO;

	u8  chip_type		= info->chip_type;

	u8  new_mcr, old_mcr	= 0;
@@ -1542,10 +1535,12 @@ static const struct ide_port_info hpt366_chipsets[] __devinitdata = { 
static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_device_id *id)

{

	const struct hpt_info *info = NULL;

	struct hpt_info *dyn_info;

	struct pci_dev *dev2 = NULL;

	struct ide_port_info d;

	u8 idx = id->driver_data;

	u8 rev = dev->revision;

	int ret;



	if ((idx == 0 || idx == 4) && (PCI_FUNC(dev->devfn) & 1))

		return -ENODEV;
@@ -1591,15 +1586,24 @@ static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_devic 
	if (info == &hpt370 || info == &hpt370a)

		d.dma_ops = &hpt370_dma_ops;



	pci_set_drvdata(dev, (void *)info);



	if (info == &hpt36x || info == &hpt374)

		dev2 = pci_get_slot(dev->bus, dev->devfn + 1);



	if (dev2) {

		int ret;

	dyn_info = kzalloc(sizeof(*dyn_info) * (dev2 ? 2 : 1), GFP_KERNEL);

	if (dyn_info == NULL) {

		printk(KERN_ERR "%s: out of memory!\n", d.name);

		pci_dev_put(dev2);

		return -ENOMEM;

	}



	/*

	 * Copy everything from a static "template" structure

	 * to just allocated per-chip hpt_info structure.

	 */

	memcpy(dyn_info, info, sizeof(*dyn_info));



		pci_set_drvdata(dev2, (void *)info);

	if (dev2) {

		memcpy(dyn_info + 1, info, sizeof(*dyn_info));



		if (info == &hpt374)

			hpt374_init(dev, dev2);
@@ -1608,13 +1612,19 @@ static int __devinit hpt366_init_one(struct pci_dev *dev, const struct pci_devic 
				d.host_flags &= ~IDE_HFLAG_NON_BOOTABLE;

		}



		ret = ide_pci_init_two(dev, dev2, &d, NULL);

		if (ret < 0)

		ret = ide_pci_init_two(dev, dev2, &d, dyn_info);

		if (ret < 0) {

			pci_dev_put(dev2);

			kfree(dyn_info);

		}

		return ret;

	}



	return ide_pci_init_one(dev, &d, NULL);

	ret = ide_pci_init_one(dev, &d, dyn_info);

	if (ret < 0)

		kfree(dyn_info);



	return ret;

}



static const struct pci_device_id hpt366_pci_tbl[] __devinitconst = {