Merge branch 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata

Pull libata update from Tejun Heo:
 "AHCI is getting per-port irq handling and locks for better
  scalability.  The gain is not huge but measureable with multiple high
  iops devices connected to the same host; however, the value of
  threaded IRQ handling seems negligible for AHCI and it likely will
  revert to non-threaded handling soon.

  Another noteworthy change is George Spelvin's "libata: Un-break ATA
  blacklist".  During 3.17 devel cycle, the libata blacklist glob
  matching got generalized and rewritten; unfortunately, the patch
  forgot to swap arguments to match the new match function and ended up
  breaking blacklist matching completely.  It got noticed only a couple
  days ago so it couldn't make for-3.17-fixes either.  :(

  Other than the above two, nothing too interesting - the usual cleanup
  churns and device-specific changes"

* 'for-3.18' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/libata: (22 commits)
  pata_serverworks: disable 64-KB DMA transfers on Broadcom OSB4 IDE Controller
  libata: Un-break ATA blacklist
  AHCI: Do not acquire ata_host::lock from single IRQ handler
  AHCI: Optimize single IRQ interrupt processing
  AHCI: Do not read HOST_IRQ_STAT reg in multi-MSI mode
  AHCI: Make few function names more descriptive
  AHCI: Move host activation code into ahci_host_activate()
  AHCI: Move ahci_host_activate() function to libahci.c
  AHCI: Pass SCSI host template as arg to ahci_host_activate()
  ata: pata_imx: Use the SIMPLE_DEV_PM_OPS() macro
  AHCI: Cleanup checking of multiple MSIs/SLM modes
  libata-sff: Fix controllers with no ctl port
  ahci_xgene: Fix the error print invalid resource for APM X-Gene SoC AHCI SATA Host Controller driver.
  libata: change ata_<foo>_printk routines to return void
  ata: qcom: Add device tree bindings information
  ahci-platform: Bump max number of clocks to 5
  ahci: ahci_p5wdh_workaround - constify DMI table
  libahci_platform: Staticize ahci_platform_<en/dis>able_phys()
  pata_platform: Remove useless irq_flags field
  pata_of_platform: Remove "electra-ide" quirk
  ...
This commit is contained in:
Linus Torvalds 2014-10-10 07:23:11 -04:00
Родитель 0cf744bc7a 37017ac684
Коммит d9428f0976
23 изменённых файлов: 259 добавлений и 298 удалений

Просмотреть файл

@ -0,0 +1,48 @@
* Qualcomm AHCI SATA Controller
SATA nodes are defined to describe on-chip Serial ATA controllers.
Each SATA controller should have its own node.
Required properties:
- compatible : compatible list, must contain "generic-ahci"
- interrupts : <interrupt mapping for SATA IRQ>
- reg : <registers mapping>
- phys : Must contain exactly one entry as specified
in phy-bindings.txt
- phy-names : Must be "sata-phy"
Required properties for "qcom,ipq806x-ahci" compatible:
- clocks : Must contain an entry for each entry in clock-names.
- clock-names : Shall be:
"slave_iface" - Fabric port AHB clock for SATA
"iface" - AHB clock
"core" - core clock
"rxoob" - RX out-of-band clock
"pmalive" - Power Module Alive clock
- assigned-clocks : Shall be:
SATA_RXOOB_CLK
SATA_PMALIVE_CLK
- assigned-clock-rates : Shall be:
100Mhz (100000000) for SATA_RXOOB_CLK
100Mhz (100000000) for SATA_PMALIVE_CLK
Example:
sata@29000000 {
compatible = "qcom,ipq806x-ahci", "generic-ahci";
reg = <0x29000000 0x180>;
interrupts = <0 209 0x0>;
clocks = <&gcc SFAB_SATA_S_H_CLK>,
<&gcc SATA_H_CLK>,
<&gcc SATA_A_CLK>,
<&gcc SATA_RXOOB_CLK>,
<&gcc SATA_PMALIVE_CLK>;
clock-names = "slave_iface", "iface", "core",
"rxoob", "pmalive";
assigned-clocks = <&gcc SATA_RXOOB_CLK>, <&gcc SATA_PMALIVE_CLK>;
assigned-clock-rates = <100000000>, <100000000>;
phys = <&sata_phy>;
phy-names = "sata-phy";
};

Просмотреть файл

@ -733,7 +733,6 @@ static struct platform_device bfin_mac_device = {
static struct pata_platform_info bfin_pata_platform_data = {
.ioport_shift = 2,
.irq_type = IRQF_TRIGGER_HIGH,
};
static struct resource bfin_pata_resources[] = {
@ -750,7 +749,7 @@ static struct resource bfin_pata_resources[] = {
{
.start = PATA_INT,
.end = PATA_INT,
.flags = IORESOURCE_IRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};

Просмотреть файл

@ -587,7 +587,6 @@ static struct platform_device bfin_mac_device = {
static struct pata_platform_info bfin_pata_platform_data = {
.ioport_shift = 2,
.irq_type = IRQF_TRIGGER_HIGH,
};
static struct resource bfin_pata_resources[] = {
@ -604,7 +603,7 @@ static struct resource bfin_pata_resources[] = {
{
.start = PATA_INT,
.end = PATA_INT,
.flags = IORESOURCE_IRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};

Просмотреть файл

@ -2462,7 +2462,6 @@ static struct platform_device bfin_sport0_device = {
#define PATA_INT IRQ_PF5
static struct pata_platform_info bfin_pata_platform_data = {
.ioport_shift = 1,
.irq_flags = IRQF_TRIGGER_HIGH,
};
static struct resource bfin_pata_resources[] = {
@ -2479,7 +2478,7 @@ static struct resource bfin_pata_resources[] = {
{
.start = PATA_INT,
.end = PATA_INT,
.flags = IORESOURCE_IRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};
#elif defined(CF_IDE_NAND_CARD_USE_CF_IN_COMMON_MEMORY_MODE)

Просмотреть файл

@ -589,7 +589,6 @@ static struct platform_device bfin_mac_device = {
static struct pata_platform_info bfin_pata_platform_data = {
.ioport_shift = 2,
.irq_type = IRQF_TRIGGER_HIGH,
};
static struct resource bfin_pata_resources[] = {
@ -606,7 +605,7 @@ static struct resource bfin_pata_resources[] = {
{
.start = PATA_INT,
.end = PATA_INT,
.flags = IORESOURCE_IRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};

Просмотреть файл

@ -354,7 +354,6 @@ static struct platform_device bfin_sir0_device = {
static struct pata_platform_info bfin_pata_platform_data = {
.ioport_shift = 2,
.irq_type = IRQF_TRIGGER_HIGH,
};
static struct resource bfin_pata_resources[] = {
@ -371,7 +370,7 @@ static struct resource bfin_pata_resources[] = {
{
.start = PATA_INT,
.end = PATA_INT,
.flags = IORESOURCE_IRQ,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHLEVEL,
},
};

Просмотреть файл

@ -498,8 +498,7 @@ static int acard_ahci_init_one(struct pci_dev *pdev, const struct pci_device_id
acard_ahci_pci_print_info(host);
pci_set_master(pdev);
return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
&acard_ahci_sht);
return ahci_host_activate(host, pdev->irq, &acard_ahci_sht);
}
module_pci_driver(acard_ahci_pci_driver);

Просмотреть файл

@ -790,7 +790,7 @@ static void ahci_pci_print_info(struct ata_host *host)
*/
static void ahci_p5wdh_workaround(struct ata_host *host)
{
static struct dmi_system_id sysids[] = {
static const struct dmi_system_id sysids[] = {
{
.ident = "P5W DH Deluxe",
.matches = {
@ -1221,6 +1221,9 @@ static int ahci_init_interrupts(struct pci_dev *pdev, unsigned int n_ports,
goto single_msi;
}
if (nvec > 1)
hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
return nvec;
single_msi:
@ -1233,71 +1236,6 @@ intx:
return 0;
}
/**
* ahci_host_activate - start AHCI host, request IRQs and register it
* @host: target ATA host
* @irq: base IRQ number to request
* @n_msis: number of MSIs allocated for this host
* @irq_handler: irq_handler used when requesting IRQs
* @irq_flags: irq_flags used when requesting IRQs
*
* Similar to ata_host_activate, but requests IRQs according to AHCI-1.1
* when multiple MSIs were allocated. That is one MSI per port, starting
* from @irq.
*
* LOCKING:
* Inherited from calling layer (may sleep).
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis)
{
int i, rc;
/* Sharing Last Message among several ports is not supported */
if (n_msis < host->n_ports)
return -EINVAL;
rc = ata_host_start(host);
if (rc)
return rc;
for (i = 0; i < host->n_ports; i++) {
struct ahci_port_priv *pp = host->ports[i]->private_data;
/* Do not receive interrupts sent by dummy ports */
if (!pp) {
disable_irq(irq + i);
continue;
}
rc = devm_request_threaded_irq(host->dev, irq + i,
ahci_hw_interrupt,
ahci_thread_fn, IRQF_SHARED,
pp->irq_desc, host->ports[i]);
if (rc)
goto out_free_irqs;
}
for (i = 0; i < host->n_ports; i++)
ata_port_desc(host->ports[i], "irq %d", irq + i);
rc = ata_host_register(host, &ahci_sht);
if (rc)
goto out_free_all_irqs;
return 0;
out_free_all_irqs:
i = host->n_ports;
out_free_irqs:
for (i--; i >= 0; i--)
devm_free_irq(host->dev, irq + i, host->ports[i]);
return rc;
}
static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
{
unsigned int board_id = ent->driver_data;
@ -1306,7 +1244,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
struct device *dev = &pdev->dev;
struct ahci_host_priv *hpriv;
struct ata_host *host;
int n_ports, n_msis, i, rc;
int n_ports, i, rc;
int ahci_pci_bar = AHCI_PCI_BAR_STANDARD;
VPRINTK("ENTER\n");
@ -1459,9 +1397,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
*/
n_ports = max(ahci_nr_ports(hpriv->cap), fls(hpriv->port_map));
n_msis = ahci_init_interrupts(pdev, n_ports, hpriv);
if (n_msis > 1)
hpriv->flags |= AHCI_HFLAG_MULTI_MSI;
ahci_init_interrupts(pdev, n_ports, hpriv);
host = ata_host_alloc_pinfo(&pdev->dev, ppi, n_ports);
if (!host)
@ -1513,11 +1449,7 @@ static int ahci_init_one(struct pci_dev *pdev, const struct pci_device_id *ent)
pci_set_master(pdev);
if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)
return ahci_host_activate(host, pdev->irq, n_msis);
return ata_host_activate(host, pdev->irq, ahci_interrupt, IRQF_SHARED,
&ahci_sht);
return ahci_host_activate(host, pdev->irq, &ahci_sht);
}
module_pci_driver(ahci_pci_driver);

Просмотреть файл

@ -53,7 +53,7 @@
enum {
AHCI_MAX_PORTS = 32,
AHCI_MAX_CLKS = 4,
AHCI_MAX_CLKS = 5,
AHCI_MAX_SG = 168, /* hardware max is 64K */
AHCI_DMA_BOUNDARY = 0xffffffff,
AHCI_MAX_CMDS = 32,
@ -304,7 +304,7 @@ struct ahci_port_priv {
unsigned int ncq_saw_d2h:1;
unsigned int ncq_saw_dmas:1;
unsigned int ncq_saw_sdb:1;
u32 intr_status; /* interrupts to handle */
atomic_t intr_status; /* interrupts to handle */
spinlock_t lock; /* protects parent ata_port */
u32 intr_mask; /* interrupts to enable */
bool fbs_supported; /* set iff FBS is supported */
@ -388,11 +388,9 @@ int ahci_port_resume(struct ata_port *ap);
void ahci_set_em_messages(struct ahci_host_priv *hpriv,
struct ata_port_info *pi);
int ahci_reset_em(struct ata_host *host);
irqreturn_t ahci_interrupt(int irq, void *dev_instance);
irqreturn_t ahci_hw_interrupt(int irq, void *dev_instance);
irqreturn_t ahci_thread_fn(int irq, void *dev_instance);
void ahci_print_info(struct ata_host *host, const char *scc_s);
int ahci_host_activate(struct ata_host *host, int irq, unsigned int n_msis);
int ahci_host_activate(struct ata_host *host, int irq,
struct scsi_host_template *sht);
void ahci_error_handler(struct ata_port *ap);
static inline void __iomem *__ahci_port_base(struct ata_host *host,

Просмотреть файл

@ -32,7 +32,6 @@ static const struct ata_port_info ahci_port_info = {
static int ahci_probe(struct platform_device *pdev)
{
struct device *dev = &pdev->dev;
struct ahci_platform_data *pdata = dev_get_platdata(dev);
struct ahci_host_priv *hpriv;
int rc;
@ -44,29 +43,14 @@ static int ahci_probe(struct platform_device *pdev)
if (rc)
return rc;
/*
* Some platforms might need to prepare for mmio region access,
* which could be done in the following init call. So, the mmio
* region shouldn't be accessed before init (if provided) has
* returned successfully.
*/
if (pdata && pdata->init) {
rc = pdata->init(dev, hpriv->mmio);
if (rc)
goto disable_resources;
}
if (of_device_is_compatible(dev->of_node, "hisilicon,hisi-ahci"))
hpriv->flags |= AHCI_HFLAG_NO_FBS | AHCI_HFLAG_NO_NCQ;
rc = ahci_platform_init_host(pdev, hpriv, &ahci_port_info);
if (rc)
goto pdata_exit;
goto disable_resources;
return 0;
pdata_exit:
if (pdata && pdata->exit)
pdata->exit(dev);
disable_resources:
ahci_platform_disable_resources(hpriv);
return rc;

Просмотреть файл

@ -434,7 +434,7 @@ static int xgene_ahci_mux_select(struct xgene_ahci_context *ctx)
u32 val;
/* Check for optional MUX resource */
if (IS_ERR(ctx->csr_mux))
if (!ctx->csr_mux)
return 0;
val = readl(ctx->csr_mux + SATA_ENET_CONFIG_REG);
@ -484,7 +484,13 @@ static int xgene_ahci_probe(struct platform_device *pdev)
/* Retrieve the optional IP mux resource */
res = platform_get_resource(pdev, IORESOURCE_MEM, 4);
ctx->csr_mux = devm_ioremap_resource(dev, res);
if (res) {
void __iomem *csr = devm_ioremap_resource(dev, res);
if (IS_ERR(csr))
return PTR_ERR(csr);
ctx->csr_mux = csr;
}
dev_dbg(dev, "VAddr 0x%p Mmio VAddr 0x%p\n", ctx->csr_core,
hpriv->mmio);

Просмотреть файл

@ -1778,30 +1778,28 @@ static void ahci_handle_port_interrupt(struct ata_port *ap,
}
}
static void ahci_port_intr(struct ata_port *ap)
static void ahci_update_intr_status(struct ata_port *ap)
{
void __iomem *port_mmio = ahci_port_base(ap);
struct ahci_port_priv *pp = ap->private_data;
u32 status;
status = readl(port_mmio + PORT_IRQ_STAT);
writel(status, port_mmio + PORT_IRQ_STAT);
ahci_handle_port_interrupt(ap, port_mmio, status);
atomic_or(status, &pp->intr_status);
}
irqreturn_t ahci_thread_fn(int irq, void *dev_instance)
static irqreturn_t ahci_port_thread_fn(int irq, void *dev_instance)
{
struct ata_port *ap = dev_instance;
struct ahci_port_priv *pp = ap->private_data;
void __iomem *port_mmio = ahci_port_base(ap);
unsigned long flags;
u32 status;
spin_lock_irqsave(&ap->host->lock, flags);
status = pp->intr_status;
if (status)
pp->intr_status = 0;
spin_unlock_irqrestore(&ap->host->lock, flags);
status = atomic_xchg(&pp->intr_status, 0);
if (!status)
return IRQ_NONE;
spin_lock_bh(ap->lock);
ahci_handle_port_interrupt(ap, port_mmio, status);
@ -1809,47 +1807,13 @@ irqreturn_t ahci_thread_fn(int irq, void *dev_instance)
return IRQ_HANDLED;
}
EXPORT_SYMBOL_GPL(ahci_thread_fn);
static void ahci_hw_port_interrupt(struct ata_port *ap)
irqreturn_t ahci_thread_fn(int irq, void *dev_instance)
{
void __iomem *port_mmio = ahci_port_base(ap);
struct ahci_port_priv *pp = ap->private_data;
u32 status;
status = readl(port_mmio + PORT_IRQ_STAT);
writel(status, port_mmio + PORT_IRQ_STAT);
pp->intr_status |= status;
}
irqreturn_t ahci_hw_interrupt(int irq, void *dev_instance)
{
struct ata_port *ap_this = dev_instance;
struct ahci_port_priv *pp = ap_this->private_data;
struct ata_host *host = ap_this->host;
struct ata_host *host = dev_instance;
struct ahci_host_priv *hpriv = host->private_data;
void __iomem *mmio = hpriv->mmio;
u32 irq_masked = hpriv->port_map;
unsigned int i;
u32 irq_stat, irq_masked;
VPRINTK("ENTER\n");
spin_lock(&host->lock);
irq_stat = readl(mmio + HOST_IRQ_STAT);
if (!irq_stat) {
u32 status = pp->intr_status;
spin_unlock(&host->lock);
VPRINTK("EXIT\n");
return status ? IRQ_WAKE_THREAD : IRQ_NONE;
}
irq_masked = irq_stat & hpriv->port_map;
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap;
@ -1859,7 +1823,7 @@ irqreturn_t ahci_hw_interrupt(int irq, void *dev_instance)
ap = host->ports[i];
if (ap) {
ahci_hw_port_interrupt(ap);
ahci_port_thread_fn(irq, ap);
VPRINTK("port %u\n", i);
} else {
VPRINTK("port %u (no irq)\n", i);
@ -1869,17 +1833,29 @@ irqreturn_t ahci_hw_interrupt(int irq, void *dev_instance)
}
}
writel(irq_stat, mmio + HOST_IRQ_STAT);
return IRQ_HANDLED;
}
spin_unlock(&host->lock);
static irqreturn_t ahci_multi_irqs_intr(int irq, void *dev_instance)
{
struct ata_port *ap = dev_instance;
void __iomem *port_mmio = ahci_port_base(ap);
struct ahci_port_priv *pp = ap->private_data;
u32 status;
VPRINTK("ENTER\n");
status = readl(port_mmio + PORT_IRQ_STAT);
writel(status, port_mmio + PORT_IRQ_STAT);
atomic_or(status, &pp->intr_status);
VPRINTK("EXIT\n");
return IRQ_WAKE_THREAD;
}
EXPORT_SYMBOL_GPL(ahci_hw_interrupt);
irqreturn_t ahci_interrupt(int irq, void *dev_instance)
static irqreturn_t ahci_single_irq_intr(int irq, void *dev_instance)
{
struct ata_host *host = dev_instance;
struct ahci_host_priv *hpriv;
@ -1899,8 +1875,6 @@ irqreturn_t ahci_interrupt(int irq, void *dev_instance)
irq_masked = irq_stat & hpriv->port_map;
spin_lock(&host->lock);
for (i = 0; i < host->n_ports; i++) {
struct ata_port *ap;
@ -1909,7 +1883,7 @@ irqreturn_t ahci_interrupt(int irq, void *dev_instance)
ap = host->ports[i];
if (ap) {
ahci_port_intr(ap);
ahci_update_intr_status(ap);
VPRINTK("port %u\n", i);
} else {
VPRINTK("port %u (no irq)\n", i);
@ -1932,13 +1906,10 @@ irqreturn_t ahci_interrupt(int irq, void *dev_instance)
*/
writel(irq_stat, mmio + HOST_IRQ_STAT);
spin_unlock(&host->lock);
VPRINTK("EXIT\n");
return IRQ_RETVAL(handled);
return handled ? IRQ_WAKE_THREAD : IRQ_NONE;
}
EXPORT_SYMBOL_GPL(ahci_interrupt);
unsigned int ahci_qc_issue(struct ata_queued_cmd *qc)
{
@ -2349,13 +2320,8 @@ static int ahci_port_start(struct ata_port *ap)
*/
pp->intr_mask = DEF_PORT_IRQ;
/*
* Switch to per-port locking in case each port has its own MSI vector.
*/
if ((hpriv->flags & AHCI_HFLAG_MULTI_MSI)) {
spin_lock_init(&pp->lock);
ap->lock = &pp->lock;
}
spin_lock_init(&pp->lock);
ap->lock = &pp->lock;
ap->private_data = pp;
@ -2472,6 +2438,105 @@ void ahci_set_em_messages(struct ahci_host_priv *hpriv,
}
EXPORT_SYMBOL_GPL(ahci_set_em_messages);
static int ahci_host_activate_multi_irqs(struct ata_host *host, int irq,
struct scsi_host_template *sht)
{
int i, rc;
rc = ata_host_start(host);
if (rc)
return rc;
for (i = 0; i < host->n_ports; i++) {
struct ahci_port_priv *pp = host->ports[i]->private_data;
/* Do not receive interrupts sent by dummy ports */
if (!pp) {
disable_irq(irq + i);
continue;
}
rc = devm_request_threaded_irq(host->dev, irq + i,
ahci_multi_irqs_intr,
ahci_port_thread_fn, IRQF_SHARED,
pp->irq_desc, host->ports[i]);
if (rc)
goto out_free_irqs;
}
for (i = 0; i < host->n_ports; i++)
ata_port_desc(host->ports[i], "irq %d", irq + i);
rc = ata_host_register(host, sht);
if (rc)
goto out_free_all_irqs;
return 0;
out_free_all_irqs:
i = host->n_ports;
out_free_irqs:
for (i--; i >= 0; i--)
devm_free_irq(host->dev, irq + i, host->ports[i]);
return rc;
}
static int ahci_host_activate_single_irq(struct ata_host *host, int irq,
struct scsi_host_template *sht)
{
int i, rc;
rc = ata_host_start(host);
if (rc)
return rc;
rc = devm_request_threaded_irq(host->dev, irq, ahci_single_irq_intr,
ahci_thread_fn, IRQF_SHARED,
dev_driver_string(host->dev), host);
if (rc)
return rc;
for (i = 0; i < host->n_ports; i++)
ata_port_desc(host->ports[i], "irq %d", irq);
rc = ata_host_register(host, sht);
if (rc)
devm_free_irq(host->dev, irq, host);
return rc;
}
/**
* ahci_host_activate - start AHCI host, request IRQs and register it
* @host: target ATA host
* @irq: base IRQ number to request
* @sht: scsi_host_template to use when registering the host
*
* Similar to ata_host_activate, but requests IRQs according to AHCI-1.1
* when multiple MSIs were allocated. That is one MSI per port, starting
* from @irq.
*
* LOCKING:
* Inherited from calling layer (may sleep).
*
* RETURNS:
* 0 on success, -errno otherwise.
*/
int ahci_host_activate(struct ata_host *host, int irq,
struct scsi_host_template *sht)
{
struct ahci_host_priv *hpriv = host->private_data;
int rc;
if (hpriv->flags & AHCI_HFLAG_MULTI_MSI)
rc = ahci_host_activate_multi_irqs(host, irq, sht);
else
rc = ahci_host_activate_single_irq(host, irq, sht);
return rc;
}
EXPORT_SYMBOL_GPL(ahci_host_activate);
MODULE_AUTHOR("Jeff Garzik");
MODULE_DESCRIPTION("Common AHCI SATA low-level routines");
MODULE_LICENSE("GPL");

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@ -49,7 +49,7 @@ static struct scsi_host_template ahci_platform_sht = {
* RETURNS:
* 0 on success otherwise a negative error code
*/
int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
static int ahci_platform_enable_phys(struct ahci_host_priv *hpriv)
{
int rc, i;
@ -77,7 +77,6 @@ disable_phys:
}
return rc;
}
EXPORT_SYMBOL_GPL(ahci_platform_enable_phys);
/**
* ahci_platform_disable_phys - Disable PHYs
@ -85,7 +84,7 @@ EXPORT_SYMBOL_GPL(ahci_platform_enable_phys);
*
* This function disables all PHYs found in hpriv->phys.
*/
void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
static void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
{
int i;
@ -97,7 +96,6 @@ void ahci_platform_disable_phys(struct ahci_host_priv *hpriv)
phy_exit(hpriv->phys[i]);
}
}
EXPORT_SYMBOL_GPL(ahci_platform_disable_phys);
/**
* ahci_platform_enable_clks - Enable platform clocks
@ -495,20 +493,14 @@ int ahci_platform_init_host(struct platform_device *pdev,
ahci_init_controller(host);
ahci_print_info(host, "platform");
return ata_host_activate(host, irq, ahci_interrupt, IRQF_SHARED,
&ahci_platform_sht);
return ahci_host_activate(host, irq, &ahci_platform_sht);
}
EXPORT_SYMBOL_GPL(ahci_platform_init_host);
static void ahci_host_stop(struct ata_host *host)
{
struct device *dev = host->dev;
struct ahci_platform_data *pdata = dev_get_platdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
if (pdata && pdata->exit)
pdata->exit(dev);
ahci_platform_disable_resources(hpriv);
}
@ -592,7 +584,6 @@ EXPORT_SYMBOL_GPL(ahci_platform_resume_host);
*/
int ahci_platform_suspend(struct device *dev)
{
struct ahci_platform_data *pdata = dev_get_platdata(dev);
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
int rc;
@ -601,19 +592,9 @@ int ahci_platform_suspend(struct device *dev)
if (rc)
return rc;
if (pdata && pdata->suspend) {
rc = pdata->suspend(dev);
if (rc)
goto resume_host;
}
ahci_platform_disable_resources(hpriv);
return 0;
resume_host:
ahci_platform_resume_host(dev);
return rc;
}
EXPORT_SYMBOL_GPL(ahci_platform_suspend);
@ -629,7 +610,6 @@ EXPORT_SYMBOL_GPL(ahci_platform_suspend);
*/
int ahci_platform_resume(struct device *dev)
{
struct ahci_platform_data *pdata = dev_get_platdata(dev);
struct ata_host *host = dev_get_drvdata(dev);
struct ahci_host_priv *hpriv = host->private_data;
int rc;
@ -638,12 +618,6 @@ int ahci_platform_resume(struct device *dev)
if (rc)
return rc;
if (pdata && pdata->resume) {
rc = pdata->resume(dev);
if (rc)
goto disable_resources;
}
rc = ahci_platform_resume_host(dev);
if (rc)
goto disable_resources;

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@ -4261,10 +4261,10 @@ static unsigned long ata_dev_blacklisted(const struct ata_device *dev)
ata_id_c_string(dev->id, model_rev, ATA_ID_FW_REV, sizeof(model_rev));
while (ad->model_num) {
if (glob_match(model_num, ad->model_num)) {
if (glob_match(ad->model_num, model_num)) {
if (ad->model_rev == NULL)
return ad->horkage;
if (glob_match(model_rev, ad->model_rev))
if (glob_match(ad->model_rev, model_rev))
return ad->horkage;
}
ad++;
@ -6227,7 +6227,7 @@ int ata_host_activate(struct ata_host *host, int irq,
}
rc = devm_request_irq(host->dev, irq, irq_handler, irq_flags,
dev_driver_string(host->dev), host);
dev_name(host->dev), host);
if (rc)
return rc;
@ -6772,32 +6772,28 @@ const struct ata_port_info ata_dummy_port_info = {
/*
* Utility print functions
*/
int ata_port_printk(const struct ata_port *ap, const char *level,
const char *fmt, ...)
void ata_port_printk(const struct ata_port *ap, const char *level,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int r;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
r = printk("%sata%u: %pV", level, ap->print_id, &vaf);
printk("%sata%u: %pV", level, ap->print_id, &vaf);
va_end(args);
return r;
}
EXPORT_SYMBOL(ata_port_printk);
int ata_link_printk(const struct ata_link *link, const char *level,
const char *fmt, ...)
void ata_link_printk(const struct ata_link *link, const char *level,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int r;
va_start(args, fmt);
@ -6805,37 +6801,32 @@ int ata_link_printk(const struct ata_link *link, const char *level,
vaf.va = &args;
if (sata_pmp_attached(link->ap) || link->ap->slave_link)
r = printk("%sata%u.%02u: %pV",
level, link->ap->print_id, link->pmp, &vaf);
printk("%sata%u.%02u: %pV",
level, link->ap->print_id, link->pmp, &vaf);
else
r = printk("%sata%u: %pV",
level, link->ap->print_id, &vaf);
printk("%sata%u: %pV",
level, link->ap->print_id, &vaf);
va_end(args);
return r;
}
EXPORT_SYMBOL(ata_link_printk);
int ata_dev_printk(const struct ata_device *dev, const char *level,
void ata_dev_printk(const struct ata_device *dev, const char *level,
const char *fmt, ...)
{
struct va_format vaf;
va_list args;
int r;
va_start(args, fmt);
vaf.fmt = fmt;
vaf.va = &args;
r = printk("%sata%u.%02u: %pV",
level, dev->link->ap->print_id, dev->link->pmp + dev->devno,
&vaf);
printk("%sata%u.%02u: %pV",
level, dev->link->ap->print_id, dev->link->pmp + dev->devno,
&vaf);
va_end(args);
return r;
}
EXPORT_SYMBOL(ata_dev_printk);

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@ -2008,13 +2008,15 @@ static int ata_bus_softreset(struct ata_port *ap, unsigned int devmask,
DPRINTK("ata%u: bus reset via SRST\n", ap->print_id);
/* software reset. causes dev0 to be selected */
iowrite8(ap->ctl, ioaddr->ctl_addr);
udelay(20); /* FIXME: flush */
iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
udelay(20); /* FIXME: flush */
iowrite8(ap->ctl, ioaddr->ctl_addr);
ap->last_ctl = ap->ctl;
if (ap->ioaddr.ctl_addr) {
/* software reset. causes dev0 to be selected */
iowrite8(ap->ctl, ioaddr->ctl_addr);
udelay(20); /* FIXME: flush */
iowrite8(ap->ctl | ATA_SRST, ioaddr->ctl_addr);
udelay(20); /* FIXME: flush */
iowrite8(ap->ctl, ioaddr->ctl_addr);
ap->last_ctl = ap->ctl;
}
/* wait the port to become ready */
return ata_sff_wait_after_reset(&ap->link, devmask, deadline);
@ -2215,10 +2217,6 @@ void ata_sff_error_handler(struct ata_port *ap)
spin_unlock_irqrestore(ap->lock, flags);
/* ignore ata_sff_softreset if ctl isn't accessible */
if (softreset == ata_sff_softreset && !ap->ioaddr.ctl_addr)
softreset = NULL;
/* ignore built-in hardresets if SCR access is not available */
if ((hardreset == sata_std_hardreset ||
hardreset == sata_sff_hardreset) && !sata_scr_valid(&ap->link))

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@ -221,13 +221,10 @@ static int pata_imx_resume(struct device *dev)
return 0;
}
static const struct dev_pm_ops pata_imx_pm_ops = {
.suspend = pata_imx_suspend,
.resume = pata_imx_resume,
};
#endif
static SIMPLE_DEV_PM_OPS(pata_imx_pm_ops, pata_imx_suspend, pata_imx_resume);
static const struct of_device_id imx_pata_dt_ids[] = {
{
.compatible = "fsl,imx27-pata",
@ -244,9 +241,7 @@ static struct platform_driver pata_imx_driver = {
.name = DRV_NAME,
.of_match_table = imx_pata_dt_ids,
.owner = THIS_MODULE,
#ifdef CONFIG_PM_SLEEP
.pm = &pata_imx_pm_ops,
#endif
},
};

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@ -35,25 +35,14 @@ static int pata_of_platform_probe(struct platform_device *ofdev)
return -EINVAL;
}
if (of_device_is_compatible(dn, "electra-ide")) {
/* Altstatus is really at offset 0x3f6 from the primary window
* on electra-ide. Adjust ctl_res and io_res accordingly.
*/
ctl_res = io_res;
ctl_res.start = ctl_res.start+0x3f6;
io_res.end = ctl_res.start-1;
} else {
ret = of_address_to_resource(dn, 1, &ctl_res);
if (ret) {
dev_err(&ofdev->dev, "can't get CTL address from "
"device tree\n");
return -EINVAL;
}
ret = of_address_to_resource(dn, 1, &ctl_res);
if (ret) {
dev_err(&ofdev->dev, "can't get CTL address from "
"device tree\n");
return -EINVAL;
}
irq_res = platform_get_resource(ofdev, IORESOURCE_IRQ, 0);
if (irq_res)
irq_res->flags = 0;
prop = of_get_property(dn, "reg-shift", NULL);
if (prop)
@ -79,8 +68,7 @@ static int pata_of_platform_probe(struct platform_device *ofdev)
static struct of_device_id pata_of_platform_match[] = {
{ .compatible = "ata-generic", },
{ .compatible = "electra-ide", },
{},
{ },
};
MODULE_DEVICE_TABLE(of, pata_of_platform_match);

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@ -118,7 +118,7 @@ int __pata_platform_probe(struct device *dev, struct resource *io_res,
*/
if (irq_res && irq_res->start > 0) {
irq = irq_res->start;
irq_flags = irq_res->flags;
irq_flags = irq_res->flags & IRQF_TRIGGER_MASK;
}
/*
@ -213,8 +213,6 @@ static int pata_platform_probe(struct platform_device *pdev)
* And the IRQ
*/
irq_res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
if (irq_res)
irq_res->flags = pp_info ? pp_info->irq_flags : 0;
return __pata_platform_probe(&pdev->dev, io_res, ctl_res, irq_res,
pp_info ? pp_info->ioport_shift : 0,

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@ -251,12 +251,18 @@ static void serverworks_set_dmamode(struct ata_port *ap, struct ata_device *adev
pci_write_config_byte(pdev, 0x54, ultra_cfg);
}
static struct scsi_host_template serverworks_sht = {
static struct scsi_host_template serverworks_osb4_sht = {
ATA_BMDMA_SHT(DRV_NAME),
.sg_tablesize = LIBATA_DUMB_MAX_PRD,
};
static struct scsi_host_template serverworks_csb_sht = {
ATA_BMDMA_SHT(DRV_NAME),
};
static struct ata_port_operations serverworks_osb4_port_ops = {
.inherits = &ata_bmdma_port_ops,
.qc_prep = ata_bmdma_dumb_qc_prep,
.cable_detect = serverworks_cable_detect,
.mode_filter = serverworks_osb4_filter,
.set_piomode = serverworks_set_piomode,
@ -265,6 +271,7 @@ static struct ata_port_operations serverworks_osb4_port_ops = {
static struct ata_port_operations serverworks_csb_port_ops = {
.inherits = &serverworks_osb4_port_ops,
.qc_prep = ata_bmdma_qc_prep,
.mode_filter = serverworks_csb_filter,
};
@ -404,6 +411,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
}
};
const struct ata_port_info *ppi[] = { &info[id->driver_data], NULL };
struct scsi_host_template *sht = &serverworks_csb_sht;
int rc;
rc = pcim_enable_device(pdev);
@ -417,6 +425,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
/* Select non UDMA capable OSB4 if we can't do fixups */
if (rc < 0)
ppi[0] = &info[1];
sht = &serverworks_osb4_sht;
}
/* setup CSB5/CSB6 : South Bridge and IDE option RAID */
else if ((pdev->device == PCI_DEVICE_ID_SERVERWORKS_CSB5IDE) ||
@ -433,7 +442,7 @@ static int serverworks_init_one(struct pci_dev *pdev, const struct pci_device_id
ppi[1] = &ata_dummy_port_info;
}
return ata_pci_bmdma_init_one(pdev, ppi, &serverworks_sht, NULL, 0);
return ata_pci_bmdma_init_one(pdev, ppi, sht, NULL, 0);
}
#ifdef CONFIG_PM_SLEEP

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@ -568,8 +568,7 @@ static int ahci_highbank_probe(struct platform_device *pdev)
ahci_init_controller(host);
ahci_print_info(host, "platform");
rc = ata_host_activate(host, irq, ahci_interrupt, 0,
&ahci_highbank_platform_sht);
rc = ahci_host_activate(host, irq, &ahci_highbank_platform_sht);
if (rc)
goto err0;

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@ -22,19 +22,6 @@ struct ata_port_info;
struct ahci_host_priv;
struct platform_device;
/*
* Note ahci_platform_data is deprecated, it is only kept around for use
* by the old da850 and spear13xx ahci code.
* New drivers should instead declare their own platform_driver struct, and
* use ahci_platform* functions in their own probe, suspend and resume methods.
*/
struct ahci_platform_data {
int (*init)(struct device *dev, void __iomem *addr);
void (*exit)(struct device *dev);
int (*suspend)(struct device *dev);
int (*resume)(struct device *dev);
};
int ahci_platform_enable_clks(struct ahci_host_priv *hpriv);
void ahci_platform_disable_clks(struct ahci_host_priv *hpriv);
int ahci_platform_enable_resources(struct ahci_host_priv *hpriv);

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@ -8,11 +8,6 @@ struct pata_platform_info {
* spacing used by ata_std_ports().
*/
unsigned int ioport_shift;
/*
* Indicate platform specific irq types and initial
* IRQ flags when call request_irq()
*/
unsigned int irq_flags;
};
extern int __pata_platform_probe(struct device *dev,

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@ -1404,14 +1404,14 @@ static inline int sata_srst_pmp(struct ata_link *link)
* printk helpers
*/
__printf(3, 4)
int ata_port_printk(const struct ata_port *ap, const char *level,
const char *fmt, ...);
void ata_port_printk(const struct ata_port *ap, const char *level,
const char *fmt, ...);
__printf(3, 4)
int ata_link_printk(const struct ata_link *link, const char *level,
const char *fmt, ...);
void ata_link_printk(const struct ata_link *link, const char *level,
const char *fmt, ...);
__printf(3, 4)
int ata_dev_printk(const struct ata_device *dev, const char *level,
const char *fmt, ...);
void ata_dev_printk(const struct ata_device *dev, const char *level,
const char *fmt, ...);
#define ata_port_err(ap, fmt, ...) \
ata_port_printk(ap, KERN_ERR, fmt, ##__VA_ARGS__)