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for-5.4/libata-2019-09-15 

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Merge tag 'for-5.4/libata-2019-09-15' of git://git.kernel.dk/linux-block

Pull libata updates from Jens Axboe:

 - Kill unused export (Andy)

 - Use dma_set_mask_and_coherent() throughout (Christoph)

 - Drop PCS quirk on Denverton, which has different register layout
   (Dan)

 - Support non-boot time detection for pata_buddha (Max)

* tag 'for-5.4/libata-2019-09-15' of git://git.kernel.dk/linux-block:
  libata/ahci: Drop PCS quirk for Denverton and beyond
  ahci: Do not export local variable ahci_em_messages
  libata: switch remaining drivers to use dma_set_mask_and_coherent
  sata_sil24: use dma_set_mask_and_coherent
  sata_qstor: use dma_set_mask_and_coherent
  sata_nv: use dma_set_mask_and_coherent
  sata_mv: use dma_set_mask_and_coherent
  pdc_adma: use dma_set_mask_and_coherent
  ahci: use dma_set_mask_and_coherent
  acard_ahci: use dma_set_mask_and_coherent
  ata/pata_buddha: Probe via modalias instead of initcall
This commit is contained in:
Linus Torvalds 2019-09-17 16:54:40 -07:00
parent 1e6fa3a33e c312ef1763
commit 5260c2b863
24 changed files with 249 additions and 372 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

38
drivers/ata/acard-ahci.c
View File

@ -160,37 +160,6 @@ static int acard_ahci_pci_device_resume(struct pci_dev *pdev)
} }
#endif #endif
static int acard_ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
{
int rc;
if (using_dac &&
!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
if (rc) {
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"64-bit DMA enable failed\n");
return rc;
}
}
} else {
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc;
}
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"32-bit consistent DMA enable failed\n");
return rc;
}
}
return 0;
}
static void acard_ahci_pci_print_info(struct ata_host *host) static void acard_ahci_pci_print_info(struct ata_host *host)
{ {
struct pci_dev *pdev = to_pci_dev(host->dev); struct pci_dev *pdev = to_pci_dev(host->dev);
@ -471,9 +440,12 @@ static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id
} }
/* initialize adapter */ /* initialize adapter */
rc = acard_ahci_configure_dma_masks(pdev, hpriv->cap & HOST_CAP_64); rc = dma_set_mask_and_coherent(&pdev->dev,
if (rc) DMA_BIT_MASK((hpriv->cap & HOST_CAP_64) ? 64 : 32));
if (rc) {
dev_err(&pdev->dev, "DMA enable failed\n");
return rc; return rc;
}
rc = ahci_reset_controller(host); rc = ahci_reset_controller(host);
if (rc) if (rc)

149
drivers/ata/ahci.c
View File

@ -65,6 +65,12 @@ enum board_ids {
board_ahci_sb700, /* for SB700 and SB800 */ board_ahci_sb700, /* for SB700 and SB800 */
board_ahci_vt8251, board_ahci_vt8251,
/*
* board IDs for Intel chipsets that support more than 6 ports
* *and* end up needing the PCS quirk.
*/
board_ahci_pcs7,
/* aliases */ /* aliases */
board_ahci_mcp_linux = board_ahci_mcp65, board_ahci_mcp_linux = board_ahci_mcp65,
board_ahci_mcp67 = board_ahci_mcp65, board_ahci_mcp67 = board_ahci_mcp65,
@ -220,6 +226,12 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6, .udma_mask = ATA_UDMA6,
.port_ops = &ahci_vt8251_ops, .port_ops = &ahci_vt8251_ops,
}, },
[board_ahci_pcs7] = {
.flags = AHCI_FLAG_COMMON,
.pio_mask = ATA_PIO4,
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
}; };
static const struct pci_device_id ahci_pci_tbl[] = { static const struct pci_device_id ahci_pci_tbl[] = {
@ -264,26 +276,26 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */ { PCI_VDEVICE(INTEL, 0x3b2b), board_ahci }, /* PCH RAID */
{ PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_mobile }, /* PCH M RAID */ { PCI_VDEVICE(INTEL, 0x3b2c), board_ahci_mobile }, /* PCH M RAID */
{ PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */ { PCI_VDEVICE(INTEL, 0x3b2f), board_ahci }, /* PCH AHCI */
{ PCI_VDEVICE(INTEL, 0x19b0), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b0), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b1), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b1), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b2), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b2), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b3), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b3), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b4), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b4), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b5), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b5), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b6), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b6), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19b7), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19b7), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19bE), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19bE), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19bF), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19bF), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c0), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c0), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c1), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c1), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c2), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c2), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c3), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c3), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c4), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c4), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c5), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c5), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c6), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c6), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19c7), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19c7), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19cE), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19cE), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x19cF), board_ahci }, /* DNV AHCI */ { PCI_VDEVICE(INTEL, 0x19cF), board_ahci_pcs7 }, /* DNV AHCI */
{ PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */ { PCI_VDEVICE(INTEL, 0x1c02), board_ahci }, /* CPT AHCI */
{ PCI_VDEVICE(INTEL, 0x1c03), board_ahci_mobile }, /* CPT M AHCI */ { PCI_VDEVICE(INTEL, 0x1c03), board_ahci_mobile }, /* CPT M AHCI */
{ PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */ { PCI_VDEVICE(INTEL, 0x1c04), board_ahci }, /* CPT RAID */
@ -623,30 +635,6 @@ static void ahci_pci_save_initial_config(struct pci_dev *pdev,
ahci_save_initial_config(&pdev->dev, hpriv); ahci_save_initial_config(&pdev->dev, hpriv);
} }
static int ahci_pci_reset_controller(struct ata_host *host)
{
struct pci_dev *pdev = to_pci_dev(host->dev);
int rc;
rc = ahci_reset_controller(host);
if (rc)
return rc;
if (pdev->vendor == PCI_VENDOR_ID_INTEL) {
struct ahci_host_priv *hpriv = host->private_data;
u16 tmp16;
/* configure PCS */
pci_read_config_word(pdev, 0x92, &tmp16);
if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
tmp16 |= hpriv->port_map;
pci_write_config_word(pdev, 0x92, tmp16);
}
}
return 0;
}
static void ahci_pci_init_controller(struct ata_host *host) static void ahci_pci_init_controller(struct ata_host *host)
{ {
struct ahci_host_priv *hpriv = host->private_data; struct ahci_host_priv *hpriv = host->private_data;
@ -849,7 +837,7 @@ static int ahci_pci_device_runtime_resume(struct device *dev)
struct ata_host *host = pci_get_drvdata(pdev); struct ata_host *host = pci_get_drvdata(pdev);
int rc; int rc;
rc = ahci_pci_reset_controller(host); rc = ahci_reset_controller(host);
if (rc) if (rc)
return rc; return rc;
ahci_pci_init_controller(host); ahci_pci_init_controller(host);
@ -884,7 +872,7 @@ static int ahci_pci_device_resume(struct device *dev)
ahci_mcp89_apple_enable(pdev); ahci_mcp89_apple_enable(pdev);
if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) { if (pdev->dev.power.power_state.event == PM_EVENT_SUSPEND) {
rc = ahci_pci_reset_controller(host); rc = ahci_reset_controller(host);
if (rc) if (rc)
return rc; return rc;
@ -901,40 +889,23 @@ static int ahci_pci_device_resume(struct device *dev)
static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac) static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
{ {
const int dma_bits = using_dac ? 64 : 32;
int rc; int rc;
/* /*
* If the device fixup already set the dma_mask to some non-standard * If the device fixup already set the dma_mask to some non-standard
* value, don't extend it here. This happens on STA2X11, for example. * value, don't extend it here. This happens on STA2X11, for example.
*
* XXX: manipulating the DMA mask from platform code is completely
* bogus, platform code should use dev->bus_dma_mask instead..
*/ */
if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32)) if (pdev->dma_mask && pdev->dma_mask < DMA_BIT_MASK(32))
return 0; return 0;
if (using_dac && rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { if (rc)
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); dev_err(&pdev->dev, "DMA enable failed\n");
if (rc) { return rc;
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"64-bit DMA enable failed\n");
return rc;
}
}
} else {
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc;
}
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"32-bit consistent DMA enable failed\n");
return rc;
}
}
return 0;
} }
static void ahci_pci_print_info(struct ata_host *host) static void ahci_pci_print_info(struct ata_host *host)
@ -1619,6 +1590,34 @@ static void ahci_update_initial_lpm_policy(struct ata_port *ap,
ap->target_lpm_policy = policy; ap->target_lpm_policy = policy;
} }
static void ahci_intel_pcs_quirk(struct pci_dev *pdev, struct ahci_host_priv *hpriv)
{
const struct pci_device_id *id = pci_match_id(ahci_pci_tbl, pdev);
u16 tmp16;
/*
* Only apply the 6-port PCS quirk for known legacy platforms.
*/
if (!id || id->vendor != PCI_VENDOR_ID_INTEL)
return;
if (((enum board_ids) id->driver_data) < board_ahci_pcs7)
return;
/*
* port_map is determined from PORTS_IMPL PCI register which is
* implemented as write or write-once register. If the register
* isn't programmed, ahci automatically generates it from number
* of ports, which is good enough for PCS programming. It is
* otherwise expected that platform firmware enables the ports
* before the OS boots.
*/
pci_read_config_word(pdev, PCS_6, &tmp16);
if ((tmp16 & hpriv->port_map) != hpriv->port_map) {
tmp16 |= hpriv->port_map;
pci_write_config_word(pdev, PCS_6, tmp16);
}
}
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{ {
unsigned int board_id = ent->driver_data; unsigned int board_id = ent->driver_data;
@ -1731,6 +1730,12 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
/* save initial config */ /* save initial config */
ahci_pci_save_initial_config(pdev, hpriv); ahci_pci_save_initial_config(pdev, hpriv);
/*
* If platform firmware failed to enable ports, try to enable
* them here.
*/
ahci_intel_pcs_quirk(pdev, hpriv);
/* prepare host */ /* prepare host */
if (hpriv->cap & HOST_CAP_NCQ) { if (hpriv->cap & HOST_CAP_NCQ) {
pi.flags |= ATA_FLAG_NCQ; pi.flags |= ATA_FLAG_NCQ;
@ -1840,7 +1845,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
if (rc) if (rc)
return rc; return rc;
rc = ahci_pci_reset_controller(host); rc = ahci_reset_controller(host);
if (rc) if (rc)
return rc; return rc;

2
drivers/ata/ahci.h
View File

@ -247,6 +247,8 @@ enum {
ATA_FLAG_ACPI_SATA | ATA_FLAG_AN, ATA_FLAG_ACPI_SATA | ATA_FLAG_AN,
ICH_MAP = 0x90, /* ICH MAP register */ ICH_MAP = 0x90, /* ICH MAP register */
PCS_6 = 0x92, /* 6 port PCS */
PCS_7 = 0x94, /* 7+ port PCS (Denverton) */
/* em constants */ /* em constants */
EM_MAX_SLOTS = 8, EM_MAX_SLOTS = 8,

1
drivers/ata/libahci.c
View File

@ -175,7 +175,6 @@ struct ata_port_operations ahci_pmp_retry_srst_ops = {
EXPORT_SYMBOL_GPL(ahci_pmp_retry_srst_ops); EXPORT_SYMBOL_GPL(ahci_pmp_retry_srst_ops);
static bool ahci_em_messages __read_mostly = true; static bool ahci_em_messages __read_mostly = true;
EXPORT_SYMBOL_GPL(ahci_em_messages);
module_param(ahci_em_messages, bool, 0444); module_param(ahci_em_messages, bool, 0444);
/* add other LED protocol types when they become supported */ /* add other LED protocol types when they become supported */
MODULE_PARM_DESC(ahci_em_messages, MODULE_PARM_DESC(ahci_em_messages,

8
drivers/ata/libata-sff.c
View File

@ -3153,15 +3153,9 @@ void ata_pci_bmdma_init(struct ata_host *host)
* ->sff_irq_clear method. Try to initialize bmdma_addr * ->sff_irq_clear method. Try to initialize bmdma_addr
* regardless of dma masks. * regardless of dma masks.
*/ */
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
ata_bmdma_nodma(host, "failed to set dma mask"); ata_bmdma_nodma(host, "failed to set dma mask");
if (!rc) {
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc)
ata_bmdma_nodma(host,
"failed to set consistent dma mask");
}
/* request and iomap DMA region */ /* request and iomap DMA region */
rc = pcim_iomap_regions(pdev, 1 << 4, dev_driver_string(gdev)); rc = pcim_iomap_regions(pdev, 1 << 4, dev_driver_string(gdev));

7
drivers/ata/pata_atp867x.c
View File

@ -463,12 +463,7 @@ static int atp867x_ata_pci_sff_init_host(struct ata_host *host)
atp867x_fixup(host); atp867x_fixup(host);
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); return dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
return rc;
} }
static int atp867x_init_one(struct pci_dev *pdev, static int atp867x_init_one(struct pci_dev *pdev,

218
drivers/ata/pata_buddha.c
View File

@ -18,7 +18,9 @@
#include <linux/kernel.h> #include <linux/kernel.h>
#include <linux/libata.h> #include <linux/libata.h>
#include <linux/mm.h> #include <linux/mm.h>
#include <linux/mod_devicetable.h>
#include <linux/module.h> #include <linux/module.h>
#include <linux/types.h>
#include <linux/zorro.h> #include <linux/zorro.h>
#include <scsi/scsi_cmnd.h> #include <scsi/scsi_cmnd.h>
#include <scsi/scsi_host.h> #include <scsi/scsi_host.h>
@ -29,7 +31,7 @@
#include <asm/setup.h> #include <asm/setup.h>
#define DRV_NAME "pata_buddha" #define DRV_NAME "pata_buddha"
#define DRV_VERSION "0.1.0" #define DRV_VERSION "0.1.1"
#define BUDDHA_BASE1 0x800 #define BUDDHA_BASE1 0x800
#define BUDDHA_BASE2 0xa00 #define BUDDHA_BASE2 0xa00
@ -47,11 +49,11 @@ enum {
BOARD_XSURF BOARD_XSURF
}; };
static unsigned int buddha_bases[3] __initdata = { static unsigned int buddha_bases[3] = {
BUDDHA_BASE1, BUDDHA_BASE2, BUDDHA_BASE3 BUDDHA_BASE1, BUDDHA_BASE2, BUDDHA_BASE3
}; };
static unsigned int xsurf_bases[2] __initdata = { static unsigned int xsurf_bases[2] = {
XSURF_BASE1, XSURF_BASE2 XSURF_BASE1, XSURF_BASE2
}; };
@ -145,111 +147,151 @@ static struct ata_port_operations pata_xsurf_ops = {
.set_mode = pata_buddha_set_mode, .set_mode = pata_buddha_set_mode,
}; };
static int __init pata_buddha_init_one(void) static int pata_buddha_probe(struct zorro_dev *z,
const struct zorro_device_id *ent)
{ {
struct zorro_dev *z = NULL; static const char * const board_name[] = {
"Buddha", "Catweasel", "X-Surf"
};
struct ata_host *host;
void __iomem *buddha_board;
unsigned long board;
unsigned int type = ent->driver_data;
unsigned int nr_ports = (type == BOARD_CATWEASEL) ? 3 : 2;
void *old_drvdata;
int i;
while ((z = zorro_find_device(ZORRO_WILDCARD, z))) { dev_info(&z->dev, "%s IDE controller\n", board_name[type]);
static const char *board_name[]
= { "Buddha", "Catweasel", "X-Surf" };
struct ata_host *host;
void __iomem *buddha_board;
unsigned long board;
unsigned int type, nr_ports = 2;
int i;
if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA) { board = z->resource.start;
type = BOARD_BUDDHA;
} else if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_CATWEASEL) {
type = BOARD_CATWEASEL;
nr_ports++;
} else if (z->id == ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF) {
type = BOARD_XSURF;
} else
continue;
dev_info(&z->dev, "%s IDE controller\n", board_name[type]); if (type != BOARD_XSURF) {
if (!devm_request_mem_region(&z->dev,
board + BUDDHA_BASE1,
0x800, DRV_NAME))
return -ENXIO;
} else {
if (!devm_request_mem_region(&z->dev,
board + XSURF_BASE1,
0x1000, DRV_NAME))
return -ENXIO;
if (!devm_request_mem_region(&z->dev,
board + XSURF_BASE2,
0x1000, DRV_NAME)) {
}
}
board = z->resource.start; /* Workaround for X-Surf: Save drvdata in case zorro8390 has set it */
if (type == BOARD_XSURF)
old_drvdata = dev_get_drvdata(&z->dev);
/* allocate host */
host = ata_host_alloc(&z->dev, nr_ports);
if (type == BOARD_XSURF)
dev_set_drvdata(&z->dev, old_drvdata);
if (!host)
return -ENXIO;
buddha_board = ZTWO_VADDR(board);
/* enable the board IRQ on Buddha/Catweasel */
if (type != BOARD_XSURF)
z_writeb(0, buddha_board + BUDDHA_IRQ_MR);
for (i = 0; i < nr_ports; i++) {
struct ata_port *ap = host->ports[i];
void __iomem *base, *irqport;
unsigned long ctl = 0;
if (type != BOARD_XSURF) { if (type != BOARD_XSURF) {
if (!devm_request_mem_region(&z->dev, ap->ops = &pata_buddha_ops;
board + BUDDHA_BASE1, base = buddha_board + buddha_bases[i];
0x800, DRV_NAME)) ctl = BUDDHA_CONTROL;
continue; irqport = buddha_board + BUDDHA_IRQ + i * 0x40;
} else { } else {
if (!devm_request_mem_region(&z->dev, ap->ops = &pata_xsurf_ops;
board + XSURF_BASE1, base = buddha_board + xsurf_bases[i];
0x1000, DRV_NAME)) /* X-Surf has no CS1* (Control/AltStat) */
continue; irqport = buddha_board + XSURF_IRQ;
if (!devm_request_mem_region(&z->dev,
board + XSURF_BASE2,
0x1000, DRV_NAME))
continue;
} }
/* allocate host */ ap->pio_mask = ATA_PIO4;
host = ata_host_alloc(&z->dev, nr_ports); ap->flags |= ATA_FLAG_SLAVE_POSS | ATA_FLAG_NO_IORDY;
if (!host)
continue;
buddha_board = ZTWO_VADDR(board); ap->ioaddr.data_addr = base;
ap->ioaddr.error_addr = base + 2 + 1 * 4;
ap->ioaddr.feature_addr = base + 2 + 1 * 4;
ap->ioaddr.nsect_addr = base + 2 + 2 * 4;
ap->ioaddr.lbal_addr = base + 2 + 3 * 4;
ap->ioaddr.lbam_addr = base + 2 + 4 * 4;
ap->ioaddr.lbah_addr = base + 2 + 5 * 4;
ap->ioaddr.device_addr = base + 2 + 6 * 4;
ap->ioaddr.status_addr = base + 2 + 7 * 4;
ap->ioaddr.command_addr = base + 2 + 7 * 4;
/* enable the board IRQ on Buddha/Catweasel */ if (ctl) {
if (type != BOARD_XSURF) ap->ioaddr.altstatus_addr = base + ctl;
z_writeb(0, buddha_board + BUDDHA_IRQ_MR); ap->ioaddr.ctl_addr = base + ctl;
for (i = 0; i < nr_ports; i++) {
struct ata_port *ap = host->ports[i];
void __iomem *base, *irqport;
unsigned long ctl = 0;
if (type != BOARD_XSURF) {
ap->ops = &pata_buddha_ops;
base = buddha_board + buddha_bases[i];
ctl = BUDDHA_CONTROL;
irqport = buddha_board + BUDDHA_IRQ + i * 0x40;
} else {
ap->ops = &pata_xsurf_ops;
base = buddha_board + xsurf_bases[i];
/* X-Surf has no CS1* (Control/AltStat) */
irqport = buddha_board + XSURF_IRQ;
}
ap->pio_mask = ATA_PIO4;
ap->flags |= ATA_FLAG_SLAVE_POSS | ATA_FLAG_NO_IORDY;
ap->ioaddr.data_addr = base;
ap->ioaddr.error_addr = base + 2 + 1 * 4;
ap->ioaddr.feature_addr = base + 2 + 1 * 4;
ap->ioaddr.nsect_addr = base + 2 + 2 * 4;
ap->ioaddr.lbal_addr = base + 2 + 3 * 4;
ap->ioaddr.lbam_addr = base + 2 + 4 * 4;
ap->ioaddr.lbah_addr = base + 2 + 5 * 4;
ap->ioaddr.device_addr = base + 2 + 6 * 4;
ap->ioaddr.status_addr = base + 2 + 7 * 4;
ap->ioaddr.command_addr = base + 2 + 7 * 4;
if (ctl) {
ap->ioaddr.altstatus_addr = base + ctl;
ap->ioaddr.ctl_addr = base + ctl;
}
ap->private_data = (void *)irqport;
ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", board,
ctl ? board + buddha_bases[i] + ctl : 0);
} }
ata_host_activate(host, IRQ_AMIGA_PORTS, ata_sff_interrupt, ap->private_data = (void *)irqport;
IRQF_SHARED, &pata_buddha_sht);
ata_port_desc(ap, "cmd 0x%lx ctl 0x%lx", board,
ctl ? board + buddha_bases[i] + ctl : 0);
} }
ata_host_activate(host, IRQ_AMIGA_PORTS, ata_sff_interrupt,
IRQF_SHARED, &pata_buddha_sht);
return 0; return 0;
} }
module_init(pata_buddha_init_one); static void pata_buddha_remove(struct zorro_dev *z)
{
struct ata_host *host = dev_get_drvdata(&z->dev);
ata_host_detach(host);
}
static const struct zorro_device_id pata_buddha_zorro_tbl[] = {
{ ZORRO_PROD_INDIVIDUAL_COMPUTERS_BUDDHA, BOARD_BUDDHA},
{ ZORRO_PROD_INDIVIDUAL_COMPUTERS_CATWEASEL, BOARD_CATWEASEL},
{ 0 }
};
MODULE_DEVICE_TABLE(zorro, pata_buddha_zorro_tbl);
static struct zorro_driver pata_buddha_driver = {
.name = "pata_buddha",
.id_table = pata_buddha_zorro_tbl,
.probe = pata_buddha_probe,
.remove = pata_buddha_remove,
};
/*
* We cannot have a modalias for X-Surf boards, as it competes with the
* zorro8390 network driver. As a stopgap measure until we have proper
* MFD support for this board, we manually attach to it late after Zorro
* has enumerated its boards.
*/
static int __init pata_buddha_late_init(void)
{
struct zorro_dev *z = NULL;
/* Auto-bind to regular boards */
zorro_register_driver(&pata_buddha_driver);
/* Manually bind to all X-Surf boards */
while ((z = zorro_find_device(ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, z))) {
static struct zorro_device_id xsurf_ent = {
ZORRO_PROD_INDIVIDUAL_COMPUTERS_X_SURF, BOARD_XSURF
};
pata_buddha_probe(z, &xsurf_ent);
}
return 0;
}
late_initcall(pata_buddha_late_init);
MODULE_AUTHOR("Bartlomiej Zolnierkiewicz"); MODULE_AUTHOR("Bartlomiej Zolnierkiewicz");
MODULE_DESCRIPTION("low-level driver for Buddha/Catweasel/X-Surf PATA"); MODULE_DESCRIPTION("low-level driver for Buddha/Catweasel/X-Surf PATA");

6
drivers/ata/pata_cs5520.c
View File

@ -155,14 +155,10 @@ static int cs5520_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
return -ENODEV; return -ENODEV;
} }
if (dma_set_mask(&pdev->dev, DMA_BIT_MASK(32))) { if (dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32))) {
printk(KERN_ERR DRV_NAME ": unable to configure DMA mask.\n"); printk(KERN_ERR DRV_NAME ": unable to configure DMA mask.\n");
return -ENODEV; return -ENODEV;
} }
if (dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32))) {
printk(KERN_ERR DRV_NAME ": unable to configure consistent DMA mask.\n");
return -ENODEV;
}
/* Map IO ports and initialize host accordingly */ /* Map IO ports and initialize host accordingly */
iomap[0] = devm_ioport_map(&pdev->dev, cmd_port[0], 8); iomap[0] = devm_ioport_map(&pdev->dev, cmd_port[0], 8);

5
drivers/ata/pata_hpt3x3.c
View File

@ -221,10 +221,7 @@ static int hpt3x3_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
if (rc) if (rc)
return rc; return rc;
host->iomap = pcim_iomap_table(pdev); host->iomap = pcim_iomap_table(pdev);
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;

5
drivers/ata/pata_ninja32.c
View File

@ -123,10 +123,7 @@ static int ninja32_init_one(struct pci_dev *dev, const struct pci_device_id *id)
return rc; return rc;
host->iomap = pcim_iomap_table(dev); host->iomap = pcim_iomap_table(dev);
rc = dma_set_mask(&dev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&dev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&dev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;
pci_set_master(dev); pci_set_master(dev);

6
drivers/ata/pata_pdc2027x.c
View File

@ -722,11 +722,7 @@ static int pdc2027x_init_one(struct pci_dev *pdev,
return rc; return rc;
host->iomap = pcim_iomap_table(pdev); host->iomap = pcim_iomap_table(pdev);
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;

5
drivers/ata/pata_sil680.c
View File

@ -374,10 +374,7 @@ static int sil680_init_one(struct pci_dev *pdev, const struct pci_device_id *id)
host->iomap = pcim_iomap_table(pdev); host->iomap = pcim_iomap_table(pdev);
/* Setup DMA masks */ /* Setup DMA masks */
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;
pci_set_master(pdev); pci_set_master(pdev);

23
drivers/ata/pdc_adma.c
View File

@ -572,23 +572,6 @@ static void adma_host_init(struct ata_host *host, unsigned int chip_id)
adma_reset_engine(host->ports[port_no]); adma_reset_engine(host->ports[port_no]);
} }
static int adma_set_dma_masks(struct pci_dev *pdev, void __iomem *mmio_base)
{
int rc;
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc;
}
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit consistent DMA enable failed\n");
return rc;
}
return 0;
}
static int adma_ata_init_one(struct pci_dev *pdev, static int adma_ata_init_one(struct pci_dev *pdev,
const struct pci_device_id *ent) const struct pci_device_id *ent)
{ {
@ -619,9 +602,11 @@ static int adma_ata_init_one(struct pci_dev *pdev,
host->iomap = pcim_iomap_table(pdev); host->iomap = pcim_iomap_table(pdev);
mmio_base = host->iomap[ADMA_MMIO_BAR]; mmio_base = host->iomap[ADMA_MMIO_BAR];
rc = adma_set_dma_masks(pdev, mmio_base); rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (rc) if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc; return rc;
}
for (port_no = 0; port_no < ADMA_PORTS; ++port_no) { for (port_no = 0; port_no < ADMA_PORTS; ++port_no) {
struct ata_port *ap = host->ports[port_no]; struct ata_port *ap = host->ports[port_no];

8
drivers/ata/sata_inic162x.c
View File

@ -862,18 +862,12 @@ static int inic_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
} }
/* Set dma_mask. This devices doesn't support 64bit addressing. */ /* Set dma_mask. This devices doesn't support 64bit addressing. */
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (rc) { if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n"); dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc; return rc;
} }
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit consistent DMA enable failed\n");
return rc;
}
rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl); rc = init_controller(hpriv->mmio_base, hpriv->cached_hctl);
if (rc) { if (rc) {
dev_err(&pdev->dev, "failed to initialize controller\n"); dev_err(&pdev->dev, "failed to initialize controller\n");

38
drivers/ata/sata_mv.c
View File

@ -4314,38 +4314,6 @@ static struct pci_driver mv_pci_driver = {
}; };
/* move to PCI layer or libata core? */
static int pci_go_64(struct pci_dev *pdev)
{
int rc;
if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) {
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64));
if (rc) {
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"64-bit DMA enable failed\n");
return rc;
}
}
} else {
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc;
}
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"32-bit consistent DMA enable failed\n");
return rc;
}
}
return rc;
}
/** /**
* mv_print_info - Dump key info to kernel log for perusal. * mv_print_info - Dump key info to kernel log for perusal.
* @host: ATA host to print info about * @host: ATA host to print info about
@ -4430,9 +4398,11 @@ static int mv_pci_init_one(struct pci_dev *pdev,
host->iomap = pcim_iomap_table(pdev); host->iomap = pcim_iomap_table(pdev);
hpriv->base = host->iomap[MV_PRIMARY_BAR]; hpriv->base = host->iomap[MV_PRIMARY_BAR];
rc = pci_go_64(pdev); rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (rc) if (rc) {
dev_err(&pdev->dev, "DMA enable failed\n");
return rc; return rc;
}
rc = mv_create_dma_pools(hpriv, &pdev->dev); rc = mv_create_dma_pools(hpriv, &pdev->dev);
if (rc) if (rc)

10
drivers/ata/sata_nv.c
View File

@ -1122,14 +1122,10 @@ static int nv_adma_port_start(struct ata_port *ap)
/* /*
* Now that the legacy PRD and padding buffer are allocated we can * Now that the legacy PRD and padding buffer are allocated we can
* try to raise the DMA mask to allocate the CPB/APRD table. * raise the DMA mask to allocate the CPB/APRD table.
*/ */
rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
if (rc) {
rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (rc)
return rc;
}
pp->adma_dma_mask = *dev->dma_mask; pp->adma_dma_mask = *dev->dma_mask;
mem = dmam_alloc_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ, mem = dmam_alloc_coherent(dev, NV_ADMA_PORT_PRIV_DMA_SZ,

5
drivers/ata/sata_promise.c
View File

@ -1230,10 +1230,7 @@ static int pdc_ata_init_one(struct pci_dev *pdev,
/* initialize adapter */ /* initialize adapter */
pdc_host_init(host); pdc_host_init(host);
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;

32
drivers/ata/sata_qstor.c
View File

@ -537,33 +537,13 @@ static void qs_host_init(struct ata_host *host, unsigned int chip_id)
static int qs_set_dma_masks(struct pci_dev *pdev, void __iomem *mmio_base) static int qs_set_dma_masks(struct pci_dev *pdev, void __iomem *mmio_base)
{ {
u32 bus_info = readl(mmio_base + QS_HID_HPHY); u32 bus_info = readl(mmio_base + QS_HID_HPHY);
int rc, have_64bit_bus = (bus_info & QS_HPHY_64BIT); int dma_bits = (bus_info & QS_HPHY_64BIT) ? 64 : 32;
int rc;
if (have_64bit_bus && rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(dma_bits));
!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { if (rc)
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); dev_err(&pdev->dev, "%d-bit DMA enable failed\n", dma_bits);
if (rc) { return rc;
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"64-bit DMA enable failed\n");
return rc;
}
}
} else {
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc;
}
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"32-bit consistent DMA enable failed\n");
return rc;
}
}
return 0;
} }
static int qs_ata_init_one(struct pci_dev *pdev, static int qs_ata_init_one(struct pci_dev *pdev,

5
drivers/ata/sata_sil.c
View File

@ -757,10 +757,7 @@ static int sil_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
return rc; return rc;
host->iomap = pcim_iomap_table(pdev); host->iomap = pcim_iomap_table(pdev);
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;

26
drivers/ata/sata_sil24.c
View File

@ -1301,28 +1301,10 @@ static int sil24_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
host->iomap = iomap; host->iomap = iomap;
/* configure and activate the device */ /* configure and activate the device */
if (!dma_set_mask(&pdev->dev, DMA_BIT_MASK(64))) { rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(64)); if (rc) {
if (rc) { dev_err(&pdev->dev, "DMA enable failed\n");
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32)); return rc;
if (rc) {
dev_err(&pdev->dev,
"64-bit DMA enable failed\n");
return rc;
}
}
} else {
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev, "32-bit DMA enable failed\n");
return rc;
}
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) {
dev_err(&pdev->dev,
"32-bit consistent DMA enable failed\n");
return rc;
}
} }
/* Set max read request size to 4096. This slightly increases /* Set max read request size to 4096. This slightly increases

5
drivers/ata/sata_svw.c
View File

@ -471,10 +471,7 @@ static int k2_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *en
ata_port_pbar_desc(ap, 5, offset, "port"); ata_port_pbar_desc(ap, 5, offset, "port");
} }
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;

5
drivers/ata/sata_sx4.c
View File

@ -1470,10 +1470,7 @@ static int pdc_sata_init_one(struct pci_dev *pdev,
} }
/* configure and activate */ /* configure and activate */
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); rc = dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc) if (rc)
return rc; return rc;

9
drivers/ata/sata_via.c
View File

@ -505,14 +505,7 @@ static int vt6421_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)
for (i = 0; i < host->n_ports; i++) for (i = 0; i < host->n_ports; i++)
vt6421_init_addrs(host->ports[i]); vt6421_init_addrs(host->ports[i]);
rc = dma_set_mask(&pdev->dev, ATA_DMA_MASK); return dma_set_mask_and_coherent(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, ATA_DMA_MASK);
if (rc)
return rc;
return 0;
} }
static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host) static int vt8251_prepare_host(struct pci_dev *pdev, struct ata_host **r_host)

5
drivers/ata/sata_vsc.c
View File

@ -371,10 +371,7 @@ static int vsc_sata_init_one(struct pci_dev *pdev,
/* /*
* Use 32 bit DMA mask, because 64 bit address support is poor. * Use 32 bit DMA mask, because 64 bit address support is poor.
*/ */
rc = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
if (rc)
return rc;
rc = dma_set_coherent_mask(&pdev->dev, DMA_BIT_MASK(32));
if (rc) if (rc)
return rc; return rc;