diff options
author | Jeremy Sowden <jeremy@azazel.net> | 2019-05-16 22:38:06 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2019-05-20 07:40:43 +0200 |
commit | 2f9dcc46c626f32a484278c0fefae4ee49b5c1d5 (patch) | |
tree | 7849e9f61d0a60aee6b28dce5d7a430533ca7662 | |
parent | db013a8826aa5a21e64fd328acc26e12c850b3f1 (diff) |
staging: kpc2000: removed trailing white-space.
Removed trailing white-space from four files.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | drivers/staging/kpc2000/kpc2000/cell_probe.c | 62 | ||||
-rw-r--r-- | drivers/staging/kpc2000/kpc2000/core.c | 98 | ||||
-rw-r--r-- | drivers/staging/kpc2000/kpc2000/fileops.c | 2 | ||||
-rw-r--r-- | drivers/staging/kpc2000/kpc2000/pcie.h | 10 |
4 files changed, 86 insertions, 86 deletions
diff --git a/drivers/staging/kpc2000/kpc2000/cell_probe.c b/drivers/staging/kpc2000/kpc2000/cell_probe.c index bce2bf9eee04..6a2ebdf20113 100644 --- a/drivers/staging/kpc2000/kpc2000/cell_probe.c +++ b/drivers/staging/kpc2000/kpc2000/cell_probe.c @@ -106,24 +106,24 @@ static int probe_core_basic(unsigned int core_num, struct kp2000_device *pcard, }; dev_dbg(&pcard->pdev->dev, "Found Basic core: type = %02d dma = %02x / %02x offset = 0x%x length = 0x%x (%d regs)\n", cte.type, KPC_OLD_S2C_DMA_CH_NUM(cte), KPC_OLD_C2S_DMA_CH_NUM(cte), cte.offset, cte.length, cte.length / 8); - - + + cell.platform_data = &core_pdata; cell.pdata_size = sizeof(struct kpc_core_device_platdata); cell.num_resources = 2; - + memset(&resources, 0, sizeof(resources)); resources[0].start = cte.offset; resources[0].end = cte.offset + (cte.length - 1); resources[0].flags = IORESOURCE_MEM; - + resources[1].start = pcard->pdev->irq; resources[1].end = pcard->pdev->irq; resources[1].flags = IORESOURCE_IRQ; - + cell.resources = resources; - + return mfd_add_devices( PCARD_TO_DEV(pcard), // parent pcard->card_num * 100, // id @@ -148,7 +148,7 @@ struct kpc_uio_device { static ssize_t show_attr(struct device *dev, struct device_attribute *attr, char *buf) { struct kpc_uio_device *kudev = dev_get_drvdata(dev); - + #define ATTR_NAME_CMP(v) (strcmp(v, attr->attr.name) == 0) if ATTR_NAME_CMP("offset"){ return scnprintf(buf, PAGE_SIZE, "%u\n", kudev->cte.offset); @@ -228,7 +228,7 @@ irqreturn_t kuio_handler(int irq, struct uio_info *uioinfo) struct kpc_uio_device *kudev = uioinfo->priv; if (irq != kudev->pcard->pdev->irq) return IRQ_NONE; - + if (kp2000_check_uio_irq(kudev->pcard, kudev->cte.irq_base_num)){ writeq((1 << kudev->cte.irq_base_num), kudev->pcard->sysinfo_regs_base + REG_INTERRUPT_ACTIVE); // Clear the active flag return IRQ_HANDLED; @@ -242,7 +242,7 @@ int kuio_irqcontrol(struct uio_info *uioinfo, s32 irq_on) struct kpc_uio_device *kudev = uioinfo->priv; struct kp2000_device *pcard = kudev->pcard; u64 mask; - + lock_card(pcard); mask = readq(pcard->sysinfo_regs_base + REG_INTERRUPT_MASK); if (irq_on){ @@ -252,7 +252,7 @@ int kuio_irqcontrol(struct uio_info *uioinfo, s32 irq_on) } writeq(mask, pcard->sysinfo_regs_base + REG_INTERRUPT_MASK); unlock_card(pcard); - + return 0; } @@ -263,18 +263,18 @@ static int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, int rv; dev_dbg(&pcard->pdev->dev, "Found UIO core: type = %02d dma = %02x / %02x offset = 0x%x length = 0x%x (%d regs)\n", cte.type, KPC_OLD_S2C_DMA_CH_NUM(cte), KPC_OLD_C2S_DMA_CH_NUM(cte), cte.offset, cte.length, cte.length / 8); - + kudev = kzalloc(sizeof(struct kpc_uio_device), GFP_KERNEL); if (!kudev){ dev_err(&pcard->pdev->dev, "probe_core_uio: failed to kzalloc kpc_uio_device\n"); return -ENOMEM; } - + INIT_LIST_HEAD(&kudev->list); kudev->pcard = pcard; kudev->cte = cte; kudev->core_num = core_num; - + kudev->uioinfo.priv = kudev; kudev->uioinfo.name = name; kudev->uioinfo.version = "0.0"; @@ -291,7 +291,7 @@ static int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, kudev->uioinfo.mem[0].addr = pci_resource_start(pcard->pdev, REG_BAR) + cte.offset; kudev->uioinfo.mem[0].size = (cte.length + PAGE_SIZE-1) & ~(PAGE_SIZE-1); // Round up to nearest PAGE_SIZE boundary kudev->uioinfo.mem[0].memtype = UIO_MEM_PHYS; - + kudev->dev = device_create(kpc_uio_class, &pcard->pdev->dev, MKDEV(0,0), kudev, "%s.%d.%d.%d", kudev->uioinfo.name, pcard->card_num, cte.type, kudev->core_num); if (IS_ERR(kudev->dev)) { dev_err(&pcard->pdev->dev, "probe_core_uio device_create failed!\n"); @@ -299,7 +299,7 @@ static int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, return -ENODEV; } dev_set_drvdata(kudev->dev, kudev); - + rv = uio_register_device(kudev->dev, &kudev->uioinfo); if (rv){ dev_err(&pcard->pdev->dev, "probe_core_uio failed uio_register_device: %d\n", rv); @@ -307,9 +307,9 @@ static int probe_core_uio(unsigned int core_num, struct kp2000_device *pcard, kfree(kudev); return rv; } - + list_add_tail(&kudev->list, &pcard->uio_devices_list); - + return 0; } @@ -320,24 +320,24 @@ static int create_dma_engine_core(struct kp2000_device *pcard, size_t engine_re struct resource resources[2]; dev_dbg(&pcard->pdev->dev, "create_dma_core(pcard = [%p], engine_regs_offset = %zx, engine_num = %d)\n", pcard, engine_regs_offset, engine_num); - + cell.platform_data = NULL; cell.pdata_size = 0; cell.name = KP_DRIVER_NAME_DMA_CONTROLLER; cell.num_resources = 2; - + memset(&resources, 0, sizeof(resources)); resources[0].start = engine_regs_offset; resources[0].end = engine_regs_offset + (KPC_DMA_ENGINE_SIZE - 1); resources[0].flags = IORESOURCE_MEM; - + resources[1].start = irq_num; resources[1].end = irq_num; resources[1].flags = IORESOURCE_IRQ; - + cell.resources = resources; - + return mfd_add_devices( PCARD_TO_DEV(pcard), // parent pcard->card_num * 100, // id @@ -354,7 +354,7 @@ static int kp2000_setup_dma_controller(struct kp2000_device *pcard) int err; unsigned int i; u64 capabilities_reg; - + // S2C Engines for (i = 0 ; i < 32 ; i++){ capabilities_reg = readq( pcard->dma_bar_base + KPC_DMA_S2C_BASE_OFFSET + (KPC_DMA_ENGINE_SIZE * i) ); @@ -371,9 +371,9 @@ static int kp2000_setup_dma_controller(struct kp2000_device *pcard) if (err) goto err_out; } } - + return 0; - + err_out: dev_err(&pcard->pdev->dev, "kp2000_setup_dma_controller: failed to add a DMA Engine: %d\n", err); return err; @@ -389,12 +389,12 @@ int kp2000_probe_cores(struct kp2000_device *pcard) struct core_table_entry cte; dev_dbg(&pcard->pdev->dev, "kp2000_probe_cores(pcard = %p / %d)\n", pcard, pcard->card_num); - + err = kp2000_setup_dma_controller(pcard); if (err) return err; - + INIT_LIST_HEAD(&pcard->uio_devices_list); - + // First, iterate the core table looking for the highest CORE_ID for (i = 0 ; i < pcard->core_table_length ; i++){ read_val = readq(pcard->sysinfo_regs_base + ((pcard->core_table_offset + i) * 8)); @@ -415,7 +415,7 @@ int kp2000_probe_cores(struct kp2000_device *pcard) for (i = 0 ; i < pcard->core_table_length ; i++){ read_val = readq(pcard->sysinfo_regs_base + ((pcard->core_table_offset + i) * 8)); parse_core_table_entry(&cte, read_val, pcard->core_table_rev); - + if (cte.type != current_type_id) continue; @@ -443,7 +443,7 @@ int kp2000_probe_cores(struct kp2000_device *pcard) core_num++; } } - + // Finally, instantiate a UIO device for the core_table. cte.type = 0; // CORE_ID_BOARD_INFO cte.offset = 0; // board info is always at the beginning @@ -459,7 +459,7 @@ int kp2000_probe_cores(struct kp2000_device *pcard) dev_err(&pcard->pdev->dev, "kp2000_probe_cores: failed to add board_info core: %d\n", err); goto error; } - + return 0; error: diff --git a/drivers/staging/kpc2000/kpc2000/core.c b/drivers/staging/kpc2000/kpc2000/core.c index 40390cdd3c8d..eb8bac62d33d 100644 --- a/drivers/staging/kpc2000/kpc2000/core.c +++ b/drivers/staging/kpc2000/kpc2000/core.c @@ -30,7 +30,7 @@ static ssize_t show_attr(struct device *dev, struct device_attribute *attr, cha if (!pdev) return -ENXIO; pcard = pci_get_drvdata(pdev); if (!pcard) return -ENXIO; - + if (strcmp("ssid", attr->attr.name) == 0){ return scnprintf(buf, PAGE_SIZE, "%016llx\n", pcard->ssid); } else if (strcmp("ddna", attr->attr.name) == 0){ return scnprintf(buf, PAGE_SIZE, "%016llx\n", pcard->ddna); } else if (strcmp("card_id", attr->attr.name) == 0){ return scnprintf(buf, PAGE_SIZE, "%08x\n", pcard->card_id); } else @@ -67,11 +67,11 @@ static ssize_t cpld_reconfigure(struct device *dev, struct device_attribute *att if (!pdev) return -ENXIO; pcard = pci_get_drvdata(pdev); if (!pcard) return -ENXIO; - + rv = kstrtol(buf, 0, &wr_val); if (rv < 0) return rv; if (wr_val > 7) return -EINVAL; - + wr_val = wr_val << 8; wr_val |= 0x1; // Set the "Configure Go" bit writeq(wr_val, pcard->sysinfo_regs_base + REG_CPLD_CONFIG); @@ -111,12 +111,12 @@ static void wait_and_read_ssid(struct kp2000_device *pcard) { u64 read_val = readq(pcard->sysinfo_regs_base + REG_FPGA_SSID); unsigned long timeout; - + if (read_val & 0x8000000000000000){ pcard->ssid = read_val; return; } - + timeout = jiffies + (HZ * 2); do { read_val = readq(pcard->sysinfo_regs_base + REG_FPGA_SSID); @@ -127,9 +127,9 @@ static void wait_and_read_ssid(struct kp2000_device *pcard) cpu_relax(); //schedule(); } while (time_before(jiffies, timeout)); - + dev_notice(&pcard->pdev->dev, "SSID didn't show up!\n"); - + #if 0 // Timed out waiting for the SSID to show up, just use the DDNA instead? read_val = readq(pcard->sysinfo_regs_base + REG_FPGA_DDNA); @@ -143,34 +143,34 @@ static void wait_and_read_ssid(struct kp2000_device *pcard) static int read_system_regs(struct kp2000_device *pcard) { u64 read_val; - + read_val = readq(pcard->sysinfo_regs_base + REG_MAGIC_NUMBER); if (read_val != KP2000_MAGIC_VALUE){ dev_err(&pcard->pdev->dev, "Invalid magic! Got: 0x%016llx Want: 0x%016lx\n", read_val, KP2000_MAGIC_VALUE); return -EILSEQ; } - + read_val = readq(pcard->sysinfo_regs_base + REG_CARD_ID_AND_BUILD); pcard->card_id = (read_val & 0xFFFFFFFF00000000) >> 32; pcard->build_version = (read_val & 0x00000000FFFFFFFF) >> 0; - + read_val = readq(pcard->sysinfo_regs_base + REG_DATE_AND_TIME_STAMPS); pcard->build_datestamp = (read_val & 0xFFFFFFFF00000000) >> 32; pcard->build_timestamp = (read_val & 0x00000000FFFFFFFF) >> 0; - + read_val = readq(pcard->sysinfo_regs_base + REG_CORE_TABLE_OFFSET); pcard->core_table_length = (read_val & 0xFFFFFFFF00000000) >> 32; pcard->core_table_offset = (read_val & 0x00000000FFFFFFFF) >> 0; - + wait_and_read_ssid(pcard); - + read_val = readq(pcard->sysinfo_regs_base + REG_FPGA_HW_ID); pcard->core_table_rev = (read_val & 0x0000000000000F00) >> 8; pcard->hardware_revision = (read_val & 0x000000000000001F); - + read_val = readq(pcard->sysinfo_regs_base + REG_FPGA_DDNA); pcard->ddna = read_val; - + dev_info(&pcard->pdev->dev, "system_regs: %08x %08x %08x %08x %02x %d %d %016llx %016llx\n", pcard->card_id, pcard->build_version, @@ -182,12 +182,12 @@ static int read_system_regs(struct kp2000_device *pcard) pcard->ssid, pcard->ddna ); - + if (pcard->core_table_rev > 1){ dev_err(&pcard->pdev->dev, "core table entry revision is higher than we can deal with, cannot continue with this card!\n"); return 1; } - + return 0; } @@ -209,9 +209,9 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) unsigned long dma_bar_phys_addr; unsigned long dma_bar_phys_len; u16 regval; - + dev_dbg(&pdev->dev, "kp2000_pcie_probe(pdev = [%p], id = [%p])\n", pdev, id); - + //{ Step 1: Allocate a struct for the pcard pcard = kzalloc(sizeof(struct kp2000_device), GFP_KERNEL); if (NULL == pcard){ @@ -220,19 +220,19 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) } dev_dbg(&pdev->dev, "probe: allocated struct kp2000_device @ %p\n", pcard); //} - + //{ Step 2: Initialize trivial pcard elements pcard->card_num = card_count; card_count++; scnprintf(pcard->name, 16, "kpcard%d", pcard->card_num); - + mutex_init(&pcard->sem); lock_card(pcard); - + pcard->pdev = pdev; pci_set_drvdata(pdev, pcard); //} - + //{ Step 3: Enable PCI device err = pci_enable_device(pcard->pdev); if (err){ @@ -240,11 +240,11 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out3; } //} - + //{ Step 4: Setup the Register BAR reg_bar_phys_addr = pci_resource_start(pcard->pdev, REG_BAR); reg_bar_phys_len = pci_resource_len(pcard->pdev, REG_BAR); - + pcard->regs_bar_base = ioremap_nocache(reg_bar_phys_addr, PAGE_SIZE); if (NULL == pcard->regs_bar_base){ dev_err(&pcard->pdev->dev, "probe: REG_BAR could not remap memory to virtual space\n"); @@ -252,7 +252,7 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out4; } dev_dbg(&pcard->pdev->dev, "probe: REG_BAR virt hardware address start [%p]\n", pcard->regs_bar_base); - + err = pci_request_region(pcard->pdev, REG_BAR, KP_DRIVER_NAME_KP2000); if (err){ iounmap(pcard->regs_bar_base); @@ -260,16 +260,16 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) err = -ENODEV; goto out4; } - + pcard->regs_base_resource.start = reg_bar_phys_addr; pcard->regs_base_resource.end = reg_bar_phys_addr + reg_bar_phys_len - 1; pcard->regs_base_resource.flags = IORESOURCE_MEM; //} - + //{ Step 5: Setup the DMA BAR dma_bar_phys_addr = pci_resource_start(pcard->pdev, DMA_BAR); dma_bar_phys_len = pci_resource_len(pcard->pdev, DMA_BAR); - + pcard->dma_bar_base = ioremap_nocache(dma_bar_phys_addr, dma_bar_phys_len); if (NULL == pcard->dma_bar_base){ dev_err(&pcard->pdev->dev, "probe: DMA_BAR could not remap memory to virtual space\n"); @@ -277,9 +277,9 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out5; } dev_dbg(&pcard->pdev->dev, "probe: DMA_BAR virt hardware address start [%p]\n", pcard->dma_bar_base); - + pcard->dma_common_regs = pcard->dma_bar_base + KPC_DMA_COMMON_OFFSET; - + err = pci_request_region(pcard->pdev, DMA_BAR, "kp2000_pcie"); if (err){ iounmap(pcard->dma_bar_base); @@ -287,22 +287,22 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) err = -ENODEV; goto out5; } - + pcard->dma_base_resource.start = dma_bar_phys_addr; pcard->dma_base_resource.end = dma_bar_phys_addr + dma_bar_phys_len - 1; pcard->dma_base_resource.flags = IORESOURCE_MEM; //} - + //{ Step 6: System Regs pcard->sysinfo_regs_base = pcard->regs_bar_base; err = read_system_regs(pcard); if (err) goto out6; - + // Disable all "user" interrupts because they're not used yet. writeq(0xFFFFFFFFFFFFFFFF, pcard->sysinfo_regs_base + REG_INTERRUPT_MASK); //} - + //{ Step 7: Configure PCI thingies // let the card master PCIe pci_set_master(pcard->pdev); @@ -310,19 +310,19 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) pci_read_config_word(pcard->pdev, PCI_COMMAND, ®val); regval |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY); pci_write_config_word(pcard->pdev, PCI_COMMAND, regval); - + // Clear relaxed ordering bit pcie_capability_clear_and_set_word(pcard->pdev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_RELAX_EN, 0); - + // Set Max_Payload_Size and Max_Read_Request_Size regval = (0x0) << 5; // Max_Payload_Size = 128 B pcie_capability_clear_and_set_word(pcard->pdev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_PAYLOAD, regval); regval = (0x0) << 12; // Max_Read_Request_Size = 128 B pcie_capability_clear_and_set_word(pcard->pdev, PCI_EXP_DEVCTL, PCI_EXP_DEVCTL_READRQ, regval); - + // Enable error reporting for: Correctable Errors, Non-Fatal Errors, Fatal Errors, Unsupported Requests pcie_capability_clear_and_set_word(pcard->pdev, PCI_EXP_DEVCTL, 0, PCI_EXP_DEVCTL_CERE | PCI_EXP_DEVCTL_NFERE | PCI_EXP_DEVCTL_FERE | PCI_EXP_DEVCTL_URRE); - + err = dma_set_mask(PCARD_TO_DEV(pcard), DMA_BIT_MASK(64)); if (err){ dev_err(&pcard->pdev->dev, "CANNOT use DMA mask %0llx\n", DMA_BIT_MASK(64)); @@ -330,19 +330,19 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) } dev_dbg(&pcard->pdev->dev, "Using DMA mask %0llx\n", dma_get_mask(PCARD_TO_DEV(pcard))); //} - + //{ Step 8: Configure IRQs err = pci_enable_msi(pcard->pdev); if (err < 0) goto out8a; - + rv = request_irq(pcard->pdev->irq, kp2000_irq_handler, IRQF_SHARED, pcard->name, pcard); if (rv){ dev_err(&pcard->pdev->dev, "kp2000_pcie_probe: failed to request_irq: %d\n", rv); goto out8b; } //} - + //{ Step 9: Setup sysfs attributes err = sysfs_create_files(&(pdev->dev.kobj), kp_attr_list); if (err){ @@ -350,30 +350,30 @@ int kp2000_pcie_probe(struct pci_dev *pdev, const struct pci_device_id *id) goto out9; } //} - + //{ Step 10: Setup misc device pcard->miscdev.minor = MISC_DYNAMIC_MINOR; pcard->miscdev.fops = &kp2000_fops; pcard->miscdev.parent = &pcard->pdev->dev; pcard->miscdev.name = pcard->name; - + err = misc_register(&pcard->miscdev); if (err){ dev_err(&pcard->pdev->dev, "kp2000_pcie_probe: misc_register failed: %d\n", err); goto out10; } //} - + //{ Step 11: Probe cores err = kp2000_probe_cores(pcard); if (err) goto out11; //} - + //{ Step 12: Enable IRQs in HW SetBackEndControl(pcard->dma_common_regs, KPC_DMA_CARD_IRQ_ENABLE | KPC_DMA_CARD_USER_INTERRUPT_MODE); //} - + dev_dbg(&pcard->pdev->dev, "kp2000_pcie_probe() complete!\n"); unlock_card(pcard); return 0; @@ -410,9 +410,9 @@ void kp2000_pcie_remove(struct pci_dev *pdev) struct kp2000_device *pcard = pci_get_drvdata(pdev); dev_dbg(&pdev->dev, "kp2000_pcie_remove(pdev=%p)\n", pdev); - + if (pcard == NULL) return; - + lock_card(pcard); kp2000_remove_cores(pcard); mfd_remove_devices(PCARD_TO_DEV(pcard)); diff --git a/drivers/staging/kpc2000/kpc2000/fileops.c b/drivers/staging/kpc2000/kpc2000/fileops.c index f8774d8f69b8..c582af4383f7 100644 --- a/drivers/staging/kpc2000/kpc2000/fileops.c +++ b/drivers/staging/kpc2000/kpc2000/fileops.c @@ -83,7 +83,7 @@ long kp2000_cdev_ioctl(struct file *filp, unsigned int ioctl_num, unsigned long switch (ioctl_num){ case KP2000_IOCTL_GET_CPLD_REG: return readq(pcard->sysinfo_regs_base + REG_CPLD_CONFIG); case KP2000_IOCTL_GET_PCIE_ERROR_REG: return readq(pcard->sysinfo_regs_base + REG_PCIE_ERROR_COUNT); - + case KP2000_IOCTL_GET_EVERYTHING: { struct kp2000_regs temp; int ret; diff --git a/drivers/staging/kpc2000/kpc2000/pcie.h b/drivers/staging/kpc2000/kpc2000/pcie.h index 893aebfd1449..8a032a5a962e 100644 --- a/drivers/staging/kpc2000/kpc2000/pcie.h +++ b/drivers/staging/kpc2000/kpc2000/pcie.h @@ -52,17 +52,17 @@ struct kp2000_device { struct pci_dev *pdev; struct miscdevice miscdev; char name[16]; - + unsigned int card_num; struct mutex sem; - + void __iomem *sysinfo_regs_base; void __iomem *regs_bar_base; struct resource regs_base_resource; void __iomem *dma_bar_base; void __iomem *dma_common_regs; struct resource dma_base_resource; - + // "System Registers" u32 card_id; u32 build_version; @@ -74,10 +74,10 @@ struct kp2000_device { u8 hardware_revision; u64 ssid; u64 ddna; - + // IRQ stuff unsigned int irq; - + struct list_head uio_devices_list; }; |