summaryrefslogtreecommitdiff
path: root/drivers/ata
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ata')
-rw-r--r--drivers/ata/ahci.c2
-rw-r--r--drivers/ata/libata-eh.c11
-rw-r--r--drivers/ata/pata_pxa.c6
-rw-r--r--drivers/ata/sata_sx4.c118
4 files changed, 61 insertions, 76 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index ff5f83c5af00..408a25956f6e 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -595,6 +595,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
.driver_data = board_ahci_yes_fbs },
+ { PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9215),
+ .driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
.driver_data = board_ahci_yes_fbs },
{ PCI_DEVICE(PCI_VENDOR_ID_TTI, 0x0642), /* highpoint rocketraid 642L */
diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c
index 48294f8fb965..8f4d73bc57d3 100644
--- a/drivers/ata/libata-eh.c
+++ b/drivers/ata/libata-eh.c
@@ -1483,8 +1483,15 @@ unsigned int atapi_eh_request_sense(struct ata_device *dev,
tf.flags |= ATA_TFLAG_ISADDR | ATA_TFLAG_DEVICE;
tf.command = ATA_CMD_PACKET;
- /* is it pointless to prefer PIO for "safety reasons"? */
- if (ap->flags & ATA_FLAG_PIO_DMA) {
+ /*
+ * Do not use DMA if the connected device only supports PIO, even if the
+ * port prefers PIO commands via DMA.
+ *
+ * Ideally, we should call atapi_check_dma() to check if it is safe for
+ * the LLD to use DMA for REQUEST_SENSE, but we don't have a qc.
+ * Since we can't check the command, perhaps we should only use pio?
+ */
+ if ((ap->flags & ATA_FLAG_PIO_DMA) && !(dev->flags & ATA_DFLAG_PIO)) {
tf.protocol = ATAPI_PROT_DMA;
tf.feature |= ATAPI_PKT_DMA;
} else {
diff --git a/drivers/ata/pata_pxa.c b/drivers/ata/pata_pxa.c
index 41430f79663c..3502bfb03c56 100644
--- a/drivers/ata/pata_pxa.c
+++ b/drivers/ata/pata_pxa.c
@@ -223,10 +223,16 @@ static int pxa_ata_probe(struct platform_device *pdev)
ap->ioaddr.cmd_addr = devm_ioremap(&pdev->dev, cmd_res->start,
resource_size(cmd_res));
+ if (!ap->ioaddr.cmd_addr)
+ return -ENOMEM;
ap->ioaddr.ctl_addr = devm_ioremap(&pdev->dev, ctl_res->start,
resource_size(ctl_res));
+ if (!ap->ioaddr.ctl_addr)
+ return -ENOMEM;
ap->ioaddr.bmdma_addr = devm_ioremap(&pdev->dev, dma_res->start,
resource_size(dma_res));
+ if (!ap->ioaddr.bmdma_addr)
+ return -ENOMEM;
/*
* Adjust register offsets
diff --git a/drivers/ata/sata_sx4.c b/drivers/ata/sata_sx4.c
index c95685f693a6..20b73e0d835a 100644
--- a/drivers/ata/sata_sx4.c
+++ b/drivers/ata/sata_sx4.c
@@ -308,15 +308,9 @@ static inline void pdc20621_ata_sg(u8 *buf, unsigned int portno,
/* output ATA packet S/G table */
addr = PDC_20621_DIMM_BASE + PDC_20621_DIMM_DATA +
(PDC_DIMM_DATA_STEP * portno);
- VPRINTK("ATA sg addr 0x%x, %d\n", addr, addr);
+
buf32[dw] = cpu_to_le32(addr);
buf32[dw + 1] = cpu_to_le32(total_len | ATA_PRD_EOT);
-
- VPRINTK("ATA PSG @ %x == (0x%x, 0x%x)\n",
- PDC_20621_DIMM_BASE +
- (PDC_DIMM_WINDOW_STEP * portno) +
- PDC_DIMM_APKT_PRD,
- buf32[dw], buf32[dw + 1]);
}
static inline void pdc20621_host_sg(u8 *buf, unsigned int portno,
@@ -332,12 +326,6 @@ static inline void pdc20621_host_sg(u8 *buf, unsigned int portno,
buf32[dw] = cpu_to_le32(addr);
buf32[dw + 1] = cpu_to_le32(total_len | ATA_PRD_EOT);
-
- VPRINTK("HOST PSG @ %x == (0x%x, 0x%x)\n",
- PDC_20621_DIMM_BASE +
- (PDC_DIMM_WINDOW_STEP * portno) +
- PDC_DIMM_HPKT_PRD,
- buf32[dw], buf32[dw + 1]);
}
static inline unsigned int pdc20621_ata_pkt(struct ata_taskfile *tf,
@@ -351,7 +339,6 @@ static inline unsigned int pdc20621_ata_pkt(struct ata_taskfile *tf,
unsigned int dimm_sg = PDC_20621_DIMM_BASE +
(PDC_DIMM_WINDOW_STEP * portno) +
PDC_DIMM_APKT_PRD;
- VPRINTK("ENTER, dimm_sg == 0x%x, %d\n", dimm_sg, dimm_sg);
i = PDC_DIMM_ATA_PKT;
@@ -406,8 +393,6 @@ static inline void pdc20621_host_pkt(struct ata_taskfile *tf, u8 *buf,
unsigned int dimm_sg = PDC_20621_DIMM_BASE +
(PDC_DIMM_WINDOW_STEP * portno) +
PDC_DIMM_HPKT_PRD;
- VPRINTK("ENTER, dimm_sg == 0x%x, %d\n", dimm_sg, dimm_sg);
- VPRINTK("host_sg == 0x%x, %d\n", host_sg, host_sg);
dw = PDC_DIMM_HOST_PKT >> 2;
@@ -424,14 +409,6 @@ static inline void pdc20621_host_pkt(struct ata_taskfile *tf, u8 *buf,
buf32[dw + 1] = cpu_to_le32(host_sg);
buf32[dw + 2] = cpu_to_le32(dimm_sg);
buf32[dw + 3] = 0;
-
- VPRINTK("HOST PKT @ %x == (0x%x 0x%x 0x%x 0x%x)\n",
- PDC_20621_DIMM_BASE + (PDC_DIMM_WINDOW_STEP * portno) +
- PDC_DIMM_HOST_PKT,
- buf32[dw + 0],
- buf32[dw + 1],
- buf32[dw + 2],
- buf32[dw + 3]);
}
static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
@@ -447,8 +424,6 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
WARN_ON(!(qc->flags & ATA_QCFLAG_DMAMAP));
- VPRINTK("ata%u: ENTER\n", ap->print_id);
-
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
@@ -492,7 +467,8 @@ static void pdc20621_dma_prep(struct ata_queued_cmd *qc)
readl(dimm_mmio); /* MMIO PCI posting flush */
- VPRINTK("ata pkt buf ofs %u, prd size %u, mmio copied\n", i, sgt_len);
+ ata_port_dbg(ap, "ata pkt buf ofs %u, prd size %u, mmio copied\n",
+ i, sgt_len);
}
static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
@@ -504,8 +480,6 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
unsigned int portno = ap->port_no;
unsigned int i;
- VPRINTK("ata%u: ENTER\n", ap->print_id);
-
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
@@ -527,7 +501,7 @@ static void pdc20621_nodata_prep(struct ata_queued_cmd *qc)
readl(dimm_mmio); /* MMIO PCI posting flush */
- VPRINTK("ata pkt buf ofs %u, mmio copied\n", i);
+ ata_port_dbg(ap, "ata pkt buf ofs %u, mmio copied\n", i);
}
static enum ata_completion_errors pdc20621_qc_prep(struct ata_queued_cmd *qc)
@@ -633,8 +607,6 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
/* hard-code chip #0 */
mmio += PDC_CHIP0_OFS;
- VPRINTK("ata%u: ENTER\n", ap->print_id);
-
wmb(); /* flush PRD, pkt writes */
port_ofs = PDC_20621_DIMM_BASE + (PDC_DIMM_WINDOW_STEP * port_no);
@@ -645,7 +617,7 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
pdc20621_dump_hdma(qc);
pdc20621_push_hdma(qc, seq, port_ofs + PDC_DIMM_HOST_PKT);
- VPRINTK("queued ofs 0x%x (%u), seq %u\n",
+ ata_port_dbg(ap, "queued ofs 0x%x (%u), seq %u\n",
port_ofs + PDC_DIMM_HOST_PKT,
port_ofs + PDC_DIMM_HOST_PKT,
seq);
@@ -656,7 +628,7 @@ static void pdc20621_packet_start(struct ata_queued_cmd *qc)
writel(port_ofs + PDC_DIMM_ATA_PKT,
ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
readl(ap->ioaddr.cmd_addr + PDC_PKT_SUBMIT);
- VPRINTK("submitted ofs 0x%x (%u), seq %u\n",
+ ata_port_dbg(ap, "submitted ofs 0x%x (%u), seq %u\n",
port_ofs + PDC_DIMM_ATA_PKT,
port_ofs + PDC_DIMM_ATA_PKT,
seq);
@@ -696,14 +668,12 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
u8 status;
unsigned int handled = 0;
- VPRINTK("ENTER\n");
-
if ((qc->tf.protocol == ATA_PROT_DMA) && /* read */
(!(qc->tf.flags & ATA_TFLAG_WRITE))) {
/* step two - DMA from DIMM to host */
if (doing_hdma) {
- VPRINTK("ata%u: read hdma, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "read hdma, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
@@ -714,7 +684,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
/* step one - exec ATA command */
else {
u8 seq = (u8) (port_no + 1 + 4);
- VPRINTK("ata%u: read ata, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "read ata, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* submit hdma pkt */
@@ -729,7 +699,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
/* step one - DMA from host to DIMM */
if (doing_hdma) {
u8 seq = (u8) (port_no + 1);
- VPRINTK("ata%u: write hdma, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "write hdma, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* submit ata pkt */
@@ -742,7 +712,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
/* step two - execute ATA command */
else {
- VPRINTK("ata%u: write ata, 0x%x 0x%x\n", ap->print_id,
+ ata_port_dbg(ap, "write ata, 0x%x 0x%x\n",
readl(mmio + 0x104), readl(mmio + PDC_HDMA_CTLSTAT));
/* get drive status; clear intr; complete txn */
qc->err_mask |= ac_err_mask(ata_wait_idle(ap));
@@ -755,7 +725,7 @@ static inline unsigned int pdc20621_host_intr(struct ata_port *ap,
} else if (qc->tf.protocol == ATA_PROT_NODATA) {
status = ata_sff_busy_wait(ap, ATA_BUSY | ATA_DRQ, 1000);
- DPRINTK("BUS_NODATA (drv_stat 0x%X)\n", status);
+ ata_port_dbg(ap, "BUS_NODATA (drv_stat 0x%X)\n", status);
qc->err_mask |= ac_err_mask(status);
ata_qc_complete(qc);
handled = 1;
@@ -781,29 +751,21 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
unsigned int handled = 0;
void __iomem *mmio_base;
- VPRINTK("ENTER\n");
-
- if (!host || !host->iomap[PDC_MMIO_BAR]) {
- VPRINTK("QUICK EXIT\n");
+ if (!host || !host->iomap[PDC_MMIO_BAR])
return IRQ_NONE;
- }
mmio_base = host->iomap[PDC_MMIO_BAR];
/* reading should also clear interrupts */
mmio_base += PDC_CHIP0_OFS;
mask = readl(mmio_base + PDC_20621_SEQMASK);
- VPRINTK("mask == 0x%x\n", mask);
- if (mask == 0xffffffff) {
- VPRINTK("QUICK EXIT 2\n");
+ if (mask == 0xffffffff)
return IRQ_NONE;
- }
+
mask &= 0xffff; /* only 16 tags possible */
- if (!mask) {
- VPRINTK("QUICK EXIT 3\n");
+ if (!mask)
return IRQ_NONE;
- }
spin_lock(&host->lock);
@@ -816,7 +778,8 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
else
ap = host->ports[port_no];
tmp = mask & (1 << i);
- VPRINTK("seq %u, port_no %u, ap %p, tmp %x\n", i, port_no, ap, tmp);
+ if (ap)
+ ata_port_dbg(ap, "seq %u, tmp %x\n", i, tmp);
if (tmp && ap) {
struct ata_queued_cmd *qc;
@@ -829,10 +792,6 @@ static irqreturn_t pdc20621_interrupt(int irq, void *dev_instance)
spin_unlock(&host->lock);
- VPRINTK("mask == 0x%x\n", mask);
-
- VPRINTK("EXIT\n");
-
return IRQ_RETVAL(handled);
}
@@ -1165,9 +1124,14 @@ static int pdc20621_prog_dimm0(struct ata_host *host)
mmio += PDC_CHIP0_OFS;
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]);
+ if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
+ pdc_i2c_read_data[i].reg,
+ &spd0[pdc_i2c_read_data[i].ofs])) {
+ dev_err(host->dev,
+ "Failed in i2c read at index %d: device=%#x, reg=%#x\n",
+ i, PDC_DIMM0_SPD_DEV_ADDRESS, pdc_i2c_read_data[i].reg);
+ return -EIO;
+ }
data |= (spd0[4] - 8) | ((spd0[21] != 0) << 3) | ((spd0[3]-11) << 4);
data |= ((spd0[17] / 4) << 6) | ((spd0[5] / 2) << 7) |
@@ -1272,7 +1236,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
/* Initialize Time Period Register */
writel(0xffffffff, mmio + PDC_TIME_PERIOD);
time_period = readl(mmio + PDC_TIME_PERIOD);
- VPRINTK("Time Period Register (0x40): 0x%x\n", time_period);
+ dev_dbg(host->dev, "Time Period Register (0x40): 0x%x\n", time_period);
/* Enable timer */
writel(PDC_TIMER_DEFAULT, mmio + PDC_TIME_CONTROL);
@@ -1287,7 +1251,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
*/
tcount = readl(mmio + PDC_TIME_COUNTER);
- VPRINTK("Time Counter Register (0x44): 0x%x\n", tcount);
+ dev_dbg(host->dev, "Time Counter Register (0x44): 0x%x\n", tcount);
/*
If SX4 is on PCI-X bus, after 3 seconds, the timer counter
@@ -1295,17 +1259,19 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
*/
if (tcount >= PCI_X_TCOUNT) {
ticks = (time_period - tcount);
- VPRINTK("Num counters 0x%x (%d)\n", ticks, ticks);
+ dev_dbg(host->dev, "Num counters 0x%x (%d)\n", ticks, ticks);
clock = (ticks / 300000);
- VPRINTK("10 * Internal clk = 0x%x (%d)\n", clock, clock);
+ dev_dbg(host->dev, "10 * Internal clk = 0x%x (%d)\n",
+ clock, clock);
clock = (clock * 33);
- VPRINTK("10 * Internal clk * 33 = 0x%x (%d)\n", clock, clock);
+ dev_dbg(host->dev, "10 * Internal clk * 33 = 0x%x (%d)\n",
+ clock, clock);
/* PLL F Param (bit 22:16) */
fparam = (1400000 / clock) - 2;
- VPRINTK("PLL F Param: 0x%x (%d)\n", fparam, fparam);
+ dev_dbg(host->dev, "PLL F Param: 0x%x (%d)\n", fparam, fparam);
/* OD param = 0x2 (bit 31:30), R param = 0x5 (bit 29:25) */
pci_status = (0x8a001824 | (fparam << 16));
@@ -1313,7 +1279,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
pci_status = PCI_PLL_INIT;
/* Initialize PLL. */
- VPRINTK("pci_status: 0x%x\n", pci_status);
+ dev_dbg(host->dev, "pci_status: 0x%x\n", pci_status);
writel(pci_status, mmio + PDC_CTL_STATUS);
readl(mmio + PDC_CTL_STATUS);
@@ -1325,15 +1291,18 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
printk(KERN_ERR "Detect Local DIMM Fail\n");
return 1; /* DIMM error */
}
- VPRINTK("Local DIMM Speed = %d\n", speed);
+ dev_dbg(host->dev, "Local DIMM Speed = %d\n", speed);
/* Programming DIMM0 Module Control Register (index_CID0:80h) */
size = pdc20621_prog_dimm0(host);
- VPRINTK("Local DIMM Size = %dMB\n", size);
+ if (size < 0)
+ return size;
+ dev_dbg(host->dev, "Local DIMM Size = %dMB\n", size);
/* 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");
+ dev_err(host->dev,
+ "Programming DIMM Module Global Control Register Fail\n");
return 1;
}
@@ -1370,13 +1339,14 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
if (!pdc20621_i2c_read(host, PDC_DIMM0_SPD_DEV_ADDRESS,
PDC_DIMM_SPD_TYPE, &spd0)) {
- pr_err("Failed in i2c read: device=%#x, subaddr=%#x\n",
+ dev_err(host->dev,
+ "Failed in i2c read: device=%#x, subaddr=%#x\n",
PDC_DIMM0_SPD_DEV_ADDRESS, PDC_DIMM_SPD_TYPE);
return 1;
}
if (spd0 == 0x02) {
void *buf;
- VPRINTK("Start ECC initialization\n");
+ dev_dbg(host->dev, "Start ECC initialization\n");
addr = 0;
length = size * 1024 * 1024;
buf = kzalloc(ECC_ERASE_BUF_SZ, GFP_KERNEL);
@@ -1388,7 +1358,7 @@ static unsigned int pdc20621_dimm_init(struct ata_host *host)
addr += ECC_ERASE_BUF_SZ;
}
kfree(buf);
- VPRINTK("Finish ECC initialization\n");
+ dev_dbg(host->dev, "Finish ECC initialization\n");
}
return 0;
}
generated by cgit v1.2.3 (git 2.0.4) at 2025-08-05 20:07:48 +0000