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author | Jeff Garzik <jeff@garzik.org> | 2007-10-26 04:03:37 (GMT) |
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committer | Jeff Garzik <jeff@garzik.org> | 2007-10-29 10:15:27 (GMT) |
commit | 5796d1c4c89efff823259fda35b08ea66ebf8b23 (patch) | |
tree | f9396980d7a2bfe0fb29303fa90bce66fd87086a /drivers/ata/sata_sx4.c | |
parent | b447916e2b8c80f37aa88512ea39a05d5d11507d (diff) | |
download | linux-fsl-qoriq-5796d1c4c89efff823259fda35b08ea66ebf8b23.tar.xz |
[libata] Address some checkpatch-spotted issues
Signed-off-by: Jeff Garzik <jgarzik@redhat.com>
Diffstat (limited to 'drivers/ata/sata_sx4.c')
-rw-r--r-- | drivers/ata/sata_sx4.c | 173 |
1 files changed, 88 insertions, 85 deletions
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c index 16b3b8a..4d85718 100644 --- a/drivers/ata/sata_sx4.c +++ b/drivers/ata/sata_sx4.c @@ -212,9 +212,9 @@ struct pdc_host_priv { }; -static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent); +static int pdc_sata_init_one(struct pci_dev *pdev, const struct pci_device_id *ent); static void pdc_eng_timeout(struct ata_port *ap); -static void pdc_20621_phy_reset (struct ata_port *ap); +static void pdc_20621_phy_reset(struct ata_port *ap); static int pdc_port_start(struct ata_port *ap); static void pdc20621_qc_prep(struct ata_queued_cmd *qc); static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf); @@ -320,16 +320,16 @@ static int pdc_port_start(struct ata_port *ap) return 0; } -static void pdc_20621_phy_reset (struct ata_port *ap) +static void pdc_20621_phy_reset(struct ata_port *ap) { VPRINTK("ENTER\n"); - ap->cbl = ATA_CBL_SATA; - ata_port_probe(ap); - ata_bus_reset(ap); + ap->cbl = ATA_CBL_SATA; + ata_port_probe(ap); + ata_bus_reset(ap); } static inline void pdc20621_ata_sg(struct ata_taskfile *tf, u8 *buf, - unsigned int portno, + unsigned int portno, unsigned int total_len) { u32 addr; @@ -351,7 +351,7 @@ static inline void pdc20621_ata_sg(struct ata_taskfile *tf, u8 *buf, } static inline void pdc20621_host_sg(struct ata_taskfile *tf, u8 *buf, - unsigned int portno, + unsigned int portno, unsigned int total_len) { u32 addr; @@ -711,8 +711,8 @@ static unsigned int pdc20621_qc_issue_prot(struct ata_queued_cmd *qc) return ata_qc_issue_prot(qc); } -static inline unsigned int pdc20621_host_intr( struct ata_port *ap, - struct ata_queued_cmd *qc, +static inline unsigned int pdc20621_host_intr(struct ata_port *ap, + struct ata_queued_cmd *qc, unsigned int doing_hdma, void __iomem *mmio) { @@ -803,7 +803,7 @@ static void pdc20621_irq_clear(struct ata_port *ap) readl(mmio + PDC_20621_SEQMASK); } -static irqreturn_t pdc20621_interrupt (int irq, void *dev_instance) +static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance) { struct ata_host *host = dev_instance; struct ata_port *ap; @@ -836,9 +836,9 @@ static irqreturn_t pdc20621_interrupt (int irq, void *dev_instance) return IRQ_NONE; } - spin_lock(&host->lock); + spin_lock(&host->lock); - for (i = 1; i < 9; i++) { + for (i = 1; i < 9; i++) { port_no = i - 1; if (port_no > 3) port_no -= 4; @@ -859,7 +859,7 @@ static irqreturn_t pdc20621_interrupt (int irq, void *dev_instance) } } - spin_unlock(&host->lock); + spin_unlock(&host->lock); VPRINTK("mask == 0x%x\n", mask); @@ -906,16 +906,16 @@ static void pdc_eng_timeout(struct ata_port *ap) static void pdc_tf_load_mmio(struct ata_port *ap, const struct ata_taskfile *tf) { - WARN_ON (tf->protocol == ATA_PROT_DMA || - tf->protocol == ATA_PROT_NODATA); + WARN_ON(tf->protocol == ATA_PROT_DMA || + tf->protocol == ATA_PROT_NODATA); ata_tf_load(ap, tf); } static void pdc_exec_command_mmio(struct ata_port *ap, const struct ata_taskfile *tf) { - WARN_ON (tf->protocol == ATA_PROT_DMA || - tf->protocol == ATA_PROT_NODATA); + WARN_ON(tf->protocol == ATA_PROT_DMA || + tf->protocol == ATA_PROT_NODATA); ata_exec_command(ap, tf); } @@ -953,7 +953,7 @@ static void pdc20621_get_from_dimm(struct ata_host *host, void *psource, mmio += PDC_CHIP0_OFS; page_mask = 0x00; - window_size = 0x2000 * 4; /* 32K byte uchar size */ + window_size = 0x2000 * 4; /* 32K byte uchar size */ idx = (u16) (offset / window_size); writel(0x01, mmio + PDC_GENERAL_CTLR); @@ -979,7 +979,7 @@ static void pdc20621_get_from_dimm(struct ata_host *host, void *psource, window_size / 4); psource += window_size; size -= window_size; - idx ++; + idx++; } if (size) { @@ -1008,7 +1008,7 @@ static void pdc20621_put_to_dimm(struct ata_host *host, void *psource, mmio += PDC_CHIP0_OFS; page_mask = 0x00; - window_size = 0x2000 * 4; /* 32K byte uchar size */ + window_size = 0x2000 * 4; /* 32K byte uchar size */ idx = (u16) (offset / window_size); writel(((idx) << page_mask), mmio + PDC_DIMM_WINDOW_CTLR); @@ -1031,7 +1031,7 @@ static void pdc20621_put_to_dimm(struct ata_host *host, void *psource, readl(mmio + PDC_GENERAL_CTLR); psource += window_size; size -= window_size; - idx ++; + idx++; } if (size) { @@ -1050,7 +1050,7 @@ static unsigned int pdc20621_i2c_read(struct ata_host *host, u32 device, void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; u32 i2creg = 0; u32 status; - u32 count =0; + u32 count = 0; /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; @@ -1082,21 +1082,21 @@ static unsigned int pdc20621_i2c_read(struct ata_host *host, u32 device, static int pdc20621_detect_dimm(struct ata_host *host) { - u32 data=0 ; + u32 data = 0; if (pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_SYSTEM_FREQ, &data)) { - if (data == 100) + if (data == 100) return 100; - } else + } else return 0; if (pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, 9, &data)) { if (data <= 0x75) return 133; - } else + } else return 0; - return 0; + return 0; } @@ -1104,8 +1104,8 @@ static int pdc20621_prog_dimm0(struct ata_host *host) { u32 spd0[50]; u32 data = 0; - int size, i; - u8 bdimmsize; + int size, i; + u8 bdimmsize; void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; static const struct { unsigned int reg; @@ -1128,40 +1128,40 @@ static int pdc20621_prog_dimm0(struct ata_host *host) /* hard-code chip #0 */ mmio += PDC_CHIP0_OFS; - for(i=0; i<ARRAY_SIZE(pdc_i2c_read_data); i++) + for (i = 0; i < ARRAY_SIZE(pdc_i2c_read_data); i++) pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS, pdc_i2c_read_data[i].reg, &spd0[pdc_i2c_read_data[i].ofs]); - data |= (spd0[4] - 8) | ((spd0[21] != 0) << 3) | ((spd0[3]-11) << 4); - data |= ((spd0[17] / 4) << 6) | ((spd0[5] / 2) << 7) | + data |= (spd0[4] - 8) | ((spd0[21] != 0) << 3) | ((spd0[3]-11) << 4); + data |= ((spd0[17] / 4) << 6) | ((spd0[5] / 2) << 7) | ((((spd0[27] + 9) / 10) - 1) << 8) ; - data |= (((((spd0[29] > spd0[28]) + data |= (((((spd0[29] > spd0[28]) ? spd0[29] : spd0[28]) + 9) / 10) - 1) << 10; - data |= ((spd0[30] - spd0[29] + 9) / 10 - 2) << 12; + data |= ((spd0[30] - spd0[29] + 9) / 10 - 2) << 12; - if (spd0[18] & 0x08) + if (spd0[18] & 0x08) data |= ((0x03) << 14); - else if (spd0[18] & 0x04) + else if (spd0[18] & 0x04) data |= ((0x02) << 14); - else if (spd0[18] & 0x01) + else if (spd0[18] & 0x01) data |= ((0x01) << 14); - else + else data |= (0 << 14); - /* + /* Calculate the size of bDIMMSize (power of 2) and merge the DIMM size by program start/end address. */ - bdimmsize = spd0[4] + (spd0[5] / 2) + spd0[3] + (spd0[17] / 2) + 3; - size = (1 << bdimmsize) >> 20; /* size = xxx(MB) */ - data |= (((size / 16) - 1) << 16); - data |= (0 << 23); + bdimmsize = spd0[4] + (spd0[5] / 2) + spd0[3] + (spd0[17] / 2) + 3; + size = (1 << bdimmsize) >> 20; /* size = xxx(MB) */ + data |= (((size / 16) - 1) << 16); + data |= (0 << 23); data |= 8; - writel(data, mmio + PDC_DIMM0_CONTROL); + writel(data, mmio + PDC_DIMM0_CONTROL); readl(mmio + PDC_DIMM0_CONTROL); - return size; + return size; } @@ -1172,9 +1172,9 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_host *host) void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; /* hard-code chip #0 */ - mmio += PDC_CHIP0_OFS; + mmio += PDC_CHIP0_OFS; - /* + /* Set To Default : DIMM Module Global Control Register (0x022259F1) DIMM Arbitration Disable (bit 20) DIMM Data/Control Output Driving Selection (bit12 - bit15) @@ -1193,40 +1193,40 @@ static unsigned int pdc20621_prog_dimm_global(struct ata_host *host) writel(data, mmio + PDC_SDRAM_CONTROL); readl(mmio + PDC_SDRAM_CONTROL); printk(KERN_ERR "Local DIMM ECC Enabled\n"); - } + } - /* DIMM Initialization Select/Enable (bit 18/19) */ - data &= (~(1<<18)); - data |= (1<<19); - writel(data, mmio + PDC_SDRAM_CONTROL); + /* DIMM Initialization Select/Enable (bit 18/19) */ + data &= (~(1<<18)); + data |= (1<<19); + writel(data, mmio + PDC_SDRAM_CONTROL); - error = 1; - for (i = 1; i <= 10; i++) { /* polling ~5 secs */ + error = 1; + for (i = 1; i <= 10; i++) { /* polling ~5 secs */ data = readl(mmio + PDC_SDRAM_CONTROL); if (!(data & (1<<19))) { - error = 0; - break; + error = 0; + break; } msleep(i*100); - } - return error; + } + return error; } static unsigned int pdc20621_dimm_init(struct ata_host *host) { int speed, size, length; - u32 addr,spd0,pci_status; - u32 tmp=0; - u32 time_period=0; - u32 tcount=0; - u32 ticks=0; - u32 clock=0; - u32 fparam=0; + u32 addr, spd0, pci_status; + u32 tmp = 0; + u32 time_period = 0; + u32 tcount = 0; + u32 ticks = 0; + u32 clock = 0; + u32 fparam = 0; void __iomem *mmio = host->iomap[PDC_MMIO_BAR]; /* hard-code chip #0 */ - mmio += PDC_CHIP0_OFS; + mmio += PDC_CHIP0_OFS; /* Initialize PLL based upon PCI Bus Frequency */ @@ -1285,41 +1285,43 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host) if (!(speed = pdc20621_detect_dimm(host))) { printk(KERN_ERR "Detect Local DIMM Fail\n"); return 1; /* DIMM error */ - } - VPRINTK("Local DIMM Speed = %d\n", speed); + } + VPRINTK("Local DIMM Speed = %d\n", speed); - /* Programming DIMM0 Module Control Register (index_CID0:80h) */ + /* Programming DIMM0 Module Control Register (index_CID0:80h) */ size = pdc20621_prog_dimm0(host); - VPRINTK("Local DIMM Size = %dMB\n",size); + VPRINTK("Local DIMM Size = %dMB\n", size); - /* Programming DIMM Module Global Control Register (index_CID0:88h) */ + /* Programming DIMM Module Global Control Register (index_CID0:88h) */ if (pdc20621_prog_dimm_global(host)) { printk(KERN_ERR "Programming DIMM Module Global Control Register Fail\n"); return 1; - } + } #ifdef ATA_VERBOSE_DEBUG { - u8 test_parttern1[40] = {0x55,0xAA,'P','r','o','m','i','s','e',' ', - 'N','o','t',' ','Y','e','t',' ','D','e','f','i','n','e','d',' ', - '1','.','1','0', - '9','8','0','3','1','6','1','2',0,0}; + u8 test_parttern1[40] = + {0x55,0xAA,'P','r','o','m','i','s','e',' ', + 'N','o','t',' ','Y','e','t',' ', + 'D','e','f','i','n','e','d',' ', + '1','.','1','0', + '9','8','0','3','1','6','1','2',0,0}; u8 test_parttern2[40] = {0}; - pdc20621_put_to_dimm(host, (void *) test_parttern2, 0x10040, 40); - pdc20621_put_to_dimm(host, (void *) test_parttern2, 0x40, 40); + pdc20621_put_to_dimm(host, test_parttern2, 0x10040, 40); + pdc20621_put_to_dimm(host, test_parttern2, 0x40, 40); - pdc20621_put_to_dimm(host, (void *) test_parttern1, 0x10040, 40); - pdc20621_get_from_dimm(host, (void *) test_parttern2, 0x40, 40); + pdc20621_put_to_dimm(host, test_parttern1, 0x10040, 40); + pdc20621_get_from_dimm(host, test_parttern2, 0x40, 40); printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0], test_parttern2[1], &(test_parttern2[2])); - pdc20621_get_from_dimm(host, (void *) test_parttern2, 0x10040, + pdc20621_get_from_dimm(host, test_parttern2, 0x10040, 40); printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0], test_parttern2[1], &(test_parttern2[2])); - pdc20621_put_to_dimm(host, (void *) test_parttern1, 0x40, 40); - pdc20621_get_from_dimm(host, (void *) test_parttern2, 0x40, 40); + pdc20621_put_to_dimm(host, test_parttern1, 0x40, 40); + pdc20621_get_from_dimm(host, test_parttern2, 0x40, 40); printk(KERN_ERR "%x, %x, %s\n", test_parttern2[0], test_parttern2[1], &(test_parttern2[2])); } @@ -1375,7 +1377,8 @@ static void pdc_20621_init(struct ata_host *host) readl(mmio + PDC_HDMA_CTLSTAT); /* flush */ } -static int pdc_sata_init_one (struct pci_dev *pdev, const struct pci_device_id *ent) +static int pdc_sata_init_one(struct pci_dev *pdev, + const struct pci_device_id *ent) { static int printed_version; const struct ata_port_info *ppi[] = |