diff options
Diffstat (limited to 'drivers/ata')
31 files changed, 72 insertions, 8 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c index fdc9bcbe55a..5326af28a41 100644 --- a/drivers/ata/ahci.c +++ b/drivers/ata/ahci.c @@ -42,6 +42,7 @@ #include <linux/dma-mapping.h> #include <linux/device.h> #include <linux/dmi.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <linux/libata.h> diff --git a/drivers/ata/ata_piix.c b/drivers/ata/ata_piix.c index c33806654e4..83bc49fac9b 100644 --- a/drivers/ata/ata_piix.c +++ b/drivers/ata/ata_piix.c @@ -90,6 +90,7 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/device.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <linux/libata.h> #include <linux/dmi.h> diff --git a/drivers/ata/libata-acpi.c b/drivers/ata/libata-acpi.c index 292fdbc0431..7b5eea7e01d 100644 --- a/drivers/ata/libata-acpi.c +++ b/drivers/ata/libata-acpi.c @@ -15,6 +15,7 @@ #include <linux/acpi.h> #include <linux/libata.h> #include <linux/pci.h> +#include <linux/slab.h> #include <scsi/scsi_device.h> #include "libata.h" diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 4a28420efff..3f6771e6323 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -58,6 +58,7 @@ #include <linux/io.h> #include <linux/async.h> #include <linux/log2.h> +#include <linux/slab.h> #include <scsi/scsi.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_host.h> diff --git a/drivers/ata/libata-pmp.c b/drivers/ata/libata-pmp.c index 51f0ffb78cb..00305f41ed8 100644 --- a/drivers/ata/libata-pmp.c +++ b/drivers/ata/libata-pmp.c @@ -9,6 +9,7 @@ #include <linux/kernel.h> #include <linux/libata.h> +#include <linux/slab.h> #include "libata.h" const struct ata_port_operations sata_pmp_port_ops = { diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index bea003a24d2..0088cdeb0b1 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -33,6 +33,7 @@ * */ +#include <linux/slab.h> #include <linux/kernel.h> #include <linux/blkdev.h> #include <linux/spinlock.h> diff --git a/drivers/ata/libata-sff.c b/drivers/ata/libata-sff.c index 561dec2481c..6411e0c7b9f 100644 --- a/drivers/ata/libata-sff.c +++ b/drivers/ata/libata-sff.c @@ -33,6 +33,7 @@ */ #include <linux/kernel.h> +#include <linux/gfp.h> #include <linux/pci.h> #include <linux/libata.h> #include <linux/highmem.h> @@ -1667,6 +1668,7 @@ unsigned int ata_sff_host_intr(struct ata_port *ap, { struct ata_eh_info *ehi = &ap->link.eh_info; u8 status, host_stat = 0; + bool bmdma_stopped = false; VPRINTK("ata%u: protocol %d task_state %d\n", ap->print_id, qc->tf.protocol, ap->hsm_task_state); @@ -1699,6 +1701,7 @@ unsigned int ata_sff_host_intr(struct ata_port *ap, /* before we do anything else, clear DMA-Start bit */ ap->ops->bmdma_stop(qc); + bmdma_stopped = true; if (unlikely(host_stat & ATA_DMA_ERR)) { /* error when transfering data to/from memory */ @@ -1716,8 +1719,14 @@ unsigned int ata_sff_host_intr(struct ata_port *ap, /* check main status, clearing INTRQ if needed */ status = ata_sff_irq_status(ap); - if (status & ATA_BUSY) - goto idle_irq; + if (status & ATA_BUSY) { + if (bmdma_stopped) { + /* BMDMA engine is already stopped, we're screwed */ + qc->err_mask |= AC_ERR_HSM; + ap->hsm_task_state = HSM_ST_ERR; + } else + goto idle_irq; + } /* ack bmdma irq events */ ap->ops->sff_irq_clear(ap); @@ -1762,13 +1771,16 @@ EXPORT_SYMBOL_GPL(ata_sff_host_intr); irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; + bool retried = false; unsigned int i; - unsigned int handled = 0, polling = 0; + unsigned int handled, idle, polling; unsigned long flags; /* TODO: make _irqsave conditional on x86 PCI IDE legacy mode */ spin_lock_irqsave(&host->lock, flags); +retry: + handled = idle = polling = 0; for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; struct ata_queued_cmd *qc; @@ -1782,7 +1794,8 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) handled |= ata_sff_host_intr(ap, qc); else polling |= 1 << i; - } + } else + idle |= 1 << i; } /* @@ -1790,7 +1803,9 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) * asserting IRQ line, nobody cared will ensue. Check IRQ * pending status if available and clear spurious IRQ. */ - if (!handled) { + if (!handled && !retried) { + bool retry = false; + for (i = 0; i < host->n_ports; i++) { struct ata_port *ap = host->ports[i]; @@ -1805,8 +1820,23 @@ irqreturn_t ata_sff_interrupt(int irq, void *dev_instance) ata_port_printk(ap, KERN_INFO, "clearing spurious IRQ\n"); - ap->ops->sff_check_status(ap); - ap->ops->sff_irq_clear(ap); + if (idle & (1 << i)) { + ap->ops->sff_check_status(ap); + ap->ops->sff_irq_clear(ap); + } else { + /* clear INTRQ and check if BUSY cleared */ + if (!(ap->ops->sff_check_status(ap) & ATA_BUSY)) + retry |= true; + /* + * With command in flight, we can't do + * sff_irq_clear() w/o racing with completion. + */ + } + } + + if (retry) { + retried = true; + goto retry; } } diff --git a/drivers/ata/pata_acpi.c b/drivers/ata/pata_acpi.c index 8e5e1321042..1ea2be0f4b9 100644 --- a/drivers/ata/pata_acpi.c +++ b/drivers/ata/pata_acpi.c @@ -11,6 +11,7 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/device.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <acpi/acpi_bus.h> diff --git a/drivers/ata/pata_at32.c b/drivers/ata/pata_at32.c index 5c129f99a7e..66ce6a526f2 100644 --- a/drivers/ata/pata_at32.c +++ b/drivers/ata/pata_at32.c @@ -18,6 +18,7 @@ #include <linux/delay.h> #include <linux/interrupt.h> #include <linux/irq.h> +#include <linux/slab.h> #include <scsi/scsi_host.h> #include <linux/ata.h> #include <linux/libata.h> diff --git a/drivers/ata/pata_at91.c b/drivers/ata/pata_at91.c index 376dd380b43..c6a946aa252 100644 --- a/drivers/ata/pata_at91.c +++ b/drivers/ata/pata_at91.c @@ -19,6 +19,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/blkdev.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <linux/ata.h> #include <linux/clk.h> diff --git a/drivers/ata/pata_atp867x.c b/drivers/ata/pata_atp867x.c index 6fe7ded40c6..bb6e0746e07 100644 --- a/drivers/ata/pata_atp867x.c +++ b/drivers/ata/pata_atp867x.c @@ -33,6 +33,7 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/device.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <linux/libata.h> diff --git a/drivers/ata/pata_cmd640.c b/drivers/ata/pata_cmd640.c index 6cd5d5dd9e3..45896b3c653 100644 --- a/drivers/ata/pata_cmd640.c +++ b/drivers/ata/pata_cmd640.c @@ -18,6 +18,7 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <linux/libata.h> diff --git a/drivers/ata/pata_icside.c b/drivers/ata/pata_icside.c index b663b7ffae4..fa812e206ee 100644 --- a/drivers/ata/pata_icside.c +++ b/drivers/ata/pata_icside.c @@ -2,6 +2,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/blkdev.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <linux/ata.h> #include <linux/libata.h> diff --git a/drivers/ata/pata_it821x.c b/drivers/ata/pata_it821x.c index 9bde1cb5f98..5cb286fd839 100644 --- a/drivers/ata/pata_it821x.c +++ b/drivers/ata/pata_it821x.c @@ -75,6 +75,7 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> +#include <linux/slab.h> #include <scsi/scsi_host.h> #include <linux/libata.h> diff --git a/drivers/ata/pata_macio.c b/drivers/ata/pata_macio.c index 4cc7bbd10ec..211b6438b3a 100644 --- a/drivers/ata/pata_macio.c +++ b/drivers/ata/pata_macio.c @@ -21,6 +21,7 @@ #include <linux/pmu.h> #include <linux/scatterlist.h> #include <linux/of.h> +#include <linux/gfp.h> #include <scsi/scsi.h> #include <scsi/scsi_host.h> diff --git a/drivers/ata/pata_mpc52xx.c b/drivers/ata/pata_mpc52xx.c index 2bc2dbe30e8..9f5b053611d 100644 --- a/drivers/ata/pata_mpc52xx.c +++ b/drivers/ata/pata_mpc52xx.c @@ -16,7 +16,7 @@ #include <linux/kernel.h> #include <linux/module.h> -#include <linux/slab.h> +#include <linux/gfp.h> #include <linux/delay.h> #include <linux/libata.h> #include <linux/of_platform.h> diff --git a/drivers/ata/pata_octeon_cf.c b/drivers/ata/pata_octeon_cf.c index 37ef416c124..005a44483a7 100644 --- a/drivers/ata/pata_octeon_cf.c +++ b/drivers/ata/pata_octeon_cf.c @@ -13,6 +13,7 @@ #include <linux/module.h> #include <linux/libata.h> #include <linux/irq.h> +#include <linux/slab.h> #include <linux/platform_device.h> #include <linux/workqueue.h> #include <scsi/scsi_host.h> diff --git a/drivers/ata/pata_pcmcia.c b/drivers/ata/pata_pcmcia.c index 147de2fd66d..3c3172d3c34 100644 --- a/drivers/ata/pata_pcmcia.c +++ b/drivers/ata/pata_pcmcia.c @@ -29,6 +29,7 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> +#include <linux/slab.h> #include <scsi/scsi_host.h> #include <linux/ata.h> #include <linux/libata.h> diff --git a/drivers/ata/pata_rb532_cf.c b/drivers/ata/pata_rb532_cf.c index 45f1e10f917..0ffd631000b 100644 --- a/drivers/ata/pata_rb532_cf.c +++ b/drivers/ata/pata_rb532_cf.c @@ -19,6 +19,7 @@ * */ +#include <linux/gfp.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> diff --git a/drivers/ata/pata_rdc.c b/drivers/ata/pata_rdc.c index 237a24d41a2..37092cfd7bc 100644 --- a/drivers/ata/pata_rdc.c +++ b/drivers/ata/pata_rdc.c @@ -28,6 +28,7 @@ #include <linux/blkdev.h> #include <linux/delay.h> #include <linux/device.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <linux/libata.h> #include <linux/dmi.h> diff --git a/drivers/ata/pata_via.c b/drivers/ata/pata_via.c index 3059ec017de..741e7cb69d8 100644 --- a/drivers/ata/pata_via.c +++ b/drivers/ata/pata_via.c @@ -58,6 +58,7 @@ #include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <linux/libata.h> #include <linux/dmi.h> @@ -576,6 +577,10 @@ static int via_init_one(struct pci_dev *pdev, const struct pci_device_id *id) u8 rev = isa->revision; pci_dev_put(isa); + if ((id->device == 0x0415 || id->device == 0x3164) && + (config->id != id->device)) + continue; + if (rev >= config->rev_min && rev <= config->rev_max) break; } @@ -677,6 +682,7 @@ static const struct pci_device_id via[] = { { PCI_VDEVICE(VIA, 0x3164), }, { PCI_VDEVICE(VIA, 0x5324), }, { PCI_VDEVICE(VIA, 0xC409), VIA_IDFLAG_SINGLE }, + { PCI_VDEVICE(VIA, 0x9001), VIA_IDFLAG_SINGLE }, { }, }; diff --git a/drivers/ata/pdc_adma.c b/drivers/ata/pdc_adma.c index 6c65b0776a2..5904cfdb8db 100644 --- a/drivers/ata/pdc_adma.c +++ b/drivers/ata/pdc_adma.c @@ -34,6 +34,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/blkdev.h> diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c index ce4136eea08..a69192b38b4 100644 --- a/drivers/ata/sata_fsl.c +++ b/drivers/ata/sata_fsl.c @@ -18,6 +18,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/platform_device.h> +#include <linux/slab.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> diff --git a/drivers/ata/sata_inic162x.c b/drivers/ata/sata_inic162x.c index 4406902b429..27dc6c86a4c 100644 --- a/drivers/ata/sata_inic162x.c +++ b/drivers/ata/sata_inic162x.c @@ -39,6 +39,7 @@ * happy to assist. */ +#include <linux/gfp.h> #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> diff --git a/drivers/ata/sata_mv.c b/drivers/ata/sata_mv.c index df8ee325d3c..71cc0d42f9e 100644 --- a/drivers/ata/sata_mv.c +++ b/drivers/ata/sata_mv.c @@ -64,6 +64,7 @@ #include <linux/ata_platform.h> #include <linux/mbus.h> #include <linux/bitops.h> +#include <linux/gfp.h> #include <scsi/scsi_host.h> #include <scsi/scsi_cmnd.h> #include <scsi/scsi_device.h> diff --git a/drivers/ata/sata_nv.c b/drivers/ata/sata_nv.c index 684fe04dbbb..2a98b09ab73 100644 --- a/drivers/ata/sata_nv.c +++ b/drivers/ata/sata_nv.c @@ -38,6 +38,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/blkdev.h> diff --git a/drivers/ata/sata_promise.c b/drivers/ata/sata_promise.c index 63306285c84..5356ec00d2b 100644 --- a/drivers/ata/sata_promise.c +++ b/drivers/ata/sata_promise.c @@ -33,6 +33,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/blkdev.h> diff --git a/drivers/ata/sata_qstor.c b/drivers/ata/sata_qstor.c index 326c0cfc29b..92ba45e6689 100644 --- a/drivers/ata/sata_qstor.c +++ b/drivers/ata/sata_qstor.c @@ -29,6 +29,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/blkdev.h> diff --git a/drivers/ata/sata_sil24.c b/drivers/ata/sata_sil24.c index 1370df6c420..433b6b89c79 100644 --- a/drivers/ata/sata_sil24.c +++ b/drivers/ata/sata_sil24.c @@ -19,6 +19,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/pci.h> #include <linux/blkdev.h> #include <linux/delay.h> diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index bbcf970068a..232468f2ea9 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -81,6 +81,7 @@ #include <linux/kernel.h> #include <linux/module.h> #include <linux/pci.h> +#include <linux/slab.h> #include <linux/init.h> #include <linux/blkdev.h> #include <linux/delay.h> diff --git a/drivers/ata/sata_uli.c b/drivers/ata/sata_uli.c index e5bff47e8aa..011e098590d 100644 --- a/drivers/ata/sata_uli.c +++ b/drivers/ata/sata_uli.c @@ -26,6 +26,7 @@ #include <linux/kernel.h> #include <linux/module.h> +#include <linux/gfp.h> #include <linux/pci.h> #include <linux/init.h> #include <linux/blkdev.h> |