diff options
author | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
---|---|---|
committer | James Morris <jmorris@namei.org> | 2009-02-06 11:01:45 +1100 |
commit | cb5629b10d64a8006622ce3a52bc887d91057d69 (patch) | |
tree | 7c06d8f30783115e3384721046258ce615b129c5 /drivers/ata/pata_hpt366.c | |
parent | 8920d5ad6ba74ae8ab020e90cc4d976980e68701 (diff) | |
parent | f01d1d546abb2f4028b5299092f529eefb01253a (diff) |
Merge branch 'master' into next
Conflicts:
fs/namei.c
Manually merged per:
diff --cc fs/namei.c
index 734f2b5,bbc15c2..0000000
--- a/fs/namei.c
+++ b/fs/namei.c
@@@ -860,9 -848,8 +849,10 @@@ static int __link_path_walk(const char
nd->flags |= LOOKUP_CONTINUE;
err = exec_permission_lite(inode);
if (err == -EAGAIN)
- err = vfs_permission(nd, MAY_EXEC);
+ err = inode_permission(nd->path.dentry->d_inode,
+ MAY_EXEC);
+ if (!err)
+ err = ima_path_check(&nd->path, MAY_EXEC);
if (err)
break;
@@@ -1525,14 -1506,9 +1509,14 @@@ int may_open(struct path *path, int acc
flag &= ~O_TRUNC;
}
- error = vfs_permission(nd, acc_mode);
+ error = inode_permission(inode, acc_mode);
if (error)
return error;
+
- error = ima_path_check(&nd->path,
++ error = ima_path_check(path,
+ acc_mode & (MAY_READ | MAY_WRITE | MAY_EXEC));
+ if (error)
+ return error;
/*
* An append-only file must be opened in append mode for writing.
*/
Signed-off-by: James Morris <jmorris@namei.org>
Diffstat (limited to 'drivers/ata/pata_hpt366.c')
-rw-r--r-- | drivers/ata/pata_hpt366.c | 109 |
1 files changed, 44 insertions, 65 deletions
diff --git a/drivers/ata/pata_hpt366.c b/drivers/ata/pata_hpt366.c index e0c4f05d7d57..65c28e5a6cd7 100644 --- a/drivers/ata/pata_hpt366.c +++ b/drivers/ata/pata_hpt366.c @@ -30,7 +30,7 @@ #define DRV_VERSION "0.6.2" struct hpt_clock { - u8 xfer_speed; + u8 xfer_mode; u32 timing; }; @@ -189,28 +189,6 @@ static unsigned long hpt366_filter(struct ata_device *adev, unsigned long mask) return ata_bmdma_mode_filter(adev, mask); } -/** - * hpt36x_find_mode - reset the hpt36x bus - * @ap: ATA port - * @speed: transfer mode - * - * Return the 32bit register programming information for this channel - * that matches the speed provided. - */ - -static u32 hpt36x_find_mode(struct ata_port *ap, int speed) -{ - struct hpt_clock *clocks = ap->host->private_data; - - while(clocks->xfer_speed) { - if (clocks->xfer_speed == speed) - return clocks->timing; - clocks++; - } - BUG(); - return 0xffffffffU; /* silence compiler warning */ -} - static int hpt36x_cable_detect(struct ata_port *ap) { struct pci_dev *pdev = to_pci_dev(ap->host->dev); @@ -226,25 +204,16 @@ static int hpt36x_cable_detect(struct ata_port *ap) return ATA_CBL_PATA80; } -/** - * hpt366_set_piomode - PIO setup - * @ap: ATA interface - * @adev: device on the interface - * - * Perform PIO mode setup. - */ - -static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) +static void hpt366_set_mode(struct ata_port *ap, struct ata_device *adev, + u8 mode) { + struct hpt_clock *clocks = ap->host->private_data; struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u32 addr1, addr2; - u32 reg; - u32 mode; + u32 addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); + u32 addr2 = 0x51 + 4 * ap->port_no; + u32 mask, reg; u8 fast; - addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); - addr2 = 0x51 + 4 * ap->port_no; - /* Fast interrupt prediction disable, hold off interrupt disable */ pci_read_config_byte(pdev, addr2, &fast); if (fast & 0x80) { @@ -252,12 +221,43 @@ static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) pci_write_config_byte(pdev, addr2, fast); } + /* determine timing mask and find matching clock entry */ + if (mode < XFER_MW_DMA_0) + mask = 0xc1f8ffff; + else if (mode < XFER_UDMA_0) + mask = 0x303800ff; + else + mask = 0x30070000; + + while (clocks->xfer_mode) { + if (clocks->xfer_mode == mode) + break; + clocks++; + } + if (!clocks->xfer_mode) + BUG(); + + /* + * Combine new mode bits with old config bits and disable + * on-chip PIO FIFO/buffer (and PIO MST mode as well) to avoid + * problems handling I/O errors later. + */ pci_read_config_dword(pdev, addr1, ®); - mode = hpt36x_find_mode(ap, adev->pio_mode); - mode &= ~0x8000000; /* No FIFO in PIO */ - mode &= ~0x30070000; /* Leave config bits alone */ - reg &= 0x30070000; /* Strip timing bits */ - pci_write_config_dword(pdev, addr1, reg | mode); + reg = ((reg & ~mask) | (clocks->timing & mask)) & ~0xc0000000; + pci_write_config_dword(pdev, addr1, reg); +} + +/** + * hpt366_set_piomode - PIO setup + * @ap: ATA interface + * @adev: device on the interface + * + * Perform PIO mode setup. + */ + +static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) +{ + hpt366_set_mode(ap, adev, adev->pio_mode); } /** @@ -271,28 +271,7 @@ static void hpt366_set_piomode(struct ata_port *ap, struct ata_device *adev) static void hpt366_set_dmamode(struct ata_port *ap, struct ata_device *adev) { - struct pci_dev *pdev = to_pci_dev(ap->host->dev); - u32 addr1, addr2; - u32 reg; - u32 mode; - u8 fast; - - addr1 = 0x40 + 4 * (adev->devno + 2 * ap->port_no); - addr2 = 0x51 + 4 * ap->port_no; - - /* Fast interrupt prediction disable, hold off interrupt disable */ - pci_read_config_byte(pdev, addr2, &fast); - if (fast & 0x80) { - fast &= ~0x80; - pci_write_config_byte(pdev, addr2, fast); - } - - pci_read_config_dword(pdev, addr1, ®); - mode = hpt36x_find_mode(ap, adev->dma_mode); - mode |= 0x8000000; /* FIFO in MWDMA or UDMA */ - mode &= ~0xC0000000; /* Leave config bits alone */ - reg &= 0xC0000000; /* Strip timing bits */ - pci_write_config_dword(pdev, addr1, reg | mode); + hpt366_set_mode(ap, adev, adev->dma_mode); } static struct scsi_host_template hpt36x_sht = { |