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path: root/drivers/ata/ahci.c
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Diffstat (limited to 'drivers/ata/ahci.c')
-rw-r--r--drivers/ata/ahci.c84
1 files changed, 53 insertions, 31 deletions
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index 788bba2b1e17..08186ecbaf8d 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -78,6 +78,7 @@ static ssize_t ahci_led_store(struct ata_port *ap, const char *buf,
static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state,
ssize_t size);
#define MAX_SLOTS 8
+#define MAX_RETRY 15
enum {
AHCI_PCI_BAR = 5,
@@ -113,6 +114,7 @@ enum {
board_ahci_sb700 = 5, /* for SB700 and SB800 */
board_ahci_mcp65 = 6,
board_ahci_nopmp = 7,
+ board_ahci_yesncq = 8,
/* global controller registers */
HOST_CAP = 0x00, /* host capabilities */
@@ -468,6 +470,14 @@ static const struct ata_port_info ahci_port_info[] = {
.udma_mask = ATA_UDMA6,
.port_ops = &ahci_ops,
},
+ /* board_ahci_yesncq */
+ {
+ AHCI_HFLAGS (AHCI_HFLAG_YES_NCQ),
+ .flags = AHCI_FLAG_COMMON,
+ .pio_mask = ATA_PIO4,
+ .udma_mask = ATA_UDMA6,
+ .port_ops = &ahci_ops,
+ },
};
static const struct pci_device_id ahci_pci_tbl[] = {
@@ -534,30 +544,30 @@ static const struct pci_device_id ahci_pci_tbl[] = {
{ PCI_VDEVICE(NVIDIA, 0x045d), board_ahci_mcp65 }, /* MCP65 */
{ PCI_VDEVICE(NVIDIA, 0x045e), board_ahci_mcp65 }, /* MCP65 */
{ PCI_VDEVICE(NVIDIA, 0x045f), board_ahci_mcp65 }, /* MCP65 */
- { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci }, /* MCP67 */
- { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci }, /* MCP73 */
- { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x0550), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0551), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0552), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0553), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0554), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0555), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0556), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0557), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0558), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x0559), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x055a), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x055b), board_ahci_yesncq }, /* MCP67 */
+ { PCI_VDEVICE(NVIDIA, 0x07f0), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f1), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f2), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f3), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f4), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f5), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f6), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f7), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f8), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07f9), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07fa), board_ahci_yesncq }, /* MCP73 */
+ { PCI_VDEVICE(NVIDIA, 0x07fb), board_ahci_yesncq }, /* MCP73 */
{ PCI_VDEVICE(NVIDIA, 0x0ad0), board_ahci }, /* MCP77 */
{ PCI_VDEVICE(NVIDIA, 0x0ad1), board_ahci }, /* MCP77 */
{ PCI_VDEVICE(NVIDIA, 0x0ad2), board_ahci }, /* MCP77 */
@@ -1115,6 +1125,8 @@ static void ahci_start_port(struct ata_port *ap)
struct ahci_port_priv *pp = ap->private_data;
struct ata_link *link;
struct ahci_em_priv *emp;
+ ssize_t rc;
+ int i;
/* enable FIS reception */
ahci_start_fis_rx(ap);
@@ -1126,7 +1138,17 @@ static void ahci_start_port(struct ata_port *ap)
if (ap->flags & ATA_FLAG_EM) {
ata_for_each_link(link, ap, EDGE) {
emp = &pp->em_priv[link->pmp];
- ahci_transmit_led_message(ap, emp->led_state, 4);
+
+ /* EM Transmit bit maybe busy during init */
+ for (i = 0; i < MAX_RETRY; i++) {
+ rc = ahci_transmit_led_message(ap,
+ emp->led_state,
+ 4);
+ if (rc == -EBUSY)
+ udelay(100);
+ else
+ break;
+ }
}
}
@@ -1331,7 +1353,7 @@ static ssize_t ahci_transmit_led_message(struct ata_port *ap, u32 state,
em_ctl = readl(mmio + HOST_EM_CTL);
if (em_ctl & EM_CTL_TM) {
spin_unlock_irqrestore(ap->lock, flags);
- return -EINVAL;
+ return -EBUSY;
}
/*
@@ -2405,10 +2427,10 @@ static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
int rc;
if (using_dac &&
- !pci_set_dma_mask(pdev, DMA_64BIT_MASK)) {
- rc = pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK);
+ !pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
+ rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
if (rc) {
- rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"64-bit DMA enable failed\n");
@@ -2416,13 +2438,13 @@ static int ahci_configure_dma_masks(struct pci_dev *pdev, int using_dac)
}
}
} else {
- rc = pci_set_dma_mask(pdev, DMA_32BIT_MASK);
+ rc = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"32-bit DMA enable failed\n");
return rc;
}
- rc = pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK);
+ rc = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
if (rc) {
dev_printk(KERN_ERR, &pdev->dev,
"32-bit consistent DMA enable failed\n");
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.