IB/ipath: Remove unneeded code for ipathfs

The ipathfs file system is used to export binary data verses ASCII data
such as through /sys. This patch removes some unneeded files since the
data is available through other /sys files.

Signed-off-by: Ralph Campbell <ralph.campbell@qlogic.com>
Signed-off-by: Roland Dreier <rolandd@cisco.com>

1 files changed, 0 insertions, 187 deletions

diff --git a/drivers/infiniband/hw/ipath/ipath_fs.c b/drivers/infiniband/hw/ipath/ipath_fs.c
index 2e689b974e1..262c25db05c 100644
--- a/drivers/infiniband/hw/ipath/ipath_fs.c
+++ b/drivers/infiniband/hw/ipath/ipath_fs.c
@@ -130,175 +130,6 @@ static const struct file_operations atomic_counters_ops = {
         .read = atomic_counters_read,
 };
 
-static ssize_t atomic_node_info_read(struct file *file, char __user *buf,
-                                     size_t count, loff_t *ppos)
-{
-        u32 nodeinfo[10];
-        struct ipath_devdata *dd;
-        u64 guid;
-
-        dd = file->f_path.dentry->d_inode->i_private;
-
-        guid = be64_to_cpu(dd->ipath_guid);
-
-        nodeinfo[0] =                   /* BaseVersion is SMA */
-                /* ClassVersion is SMA */
-                (1 << 8)                /* NodeType  */
-                | (1 << 0);             /* NumPorts */
-        nodeinfo[1] = (u32) (guid >> 32);
-        nodeinfo[2] = (u32) (guid & 0xffffffff);
-        /* PortGUID == SystemImageGUID for us */
-        nodeinfo[3] = nodeinfo[1];
-        /* PortGUID == SystemImageGUID for us */
-        nodeinfo[4] = nodeinfo[2];
-        /* PortGUID == NodeGUID for us */
-        nodeinfo[5] = nodeinfo[3];
-        /* PortGUID == NodeGUID for us */
-        nodeinfo[6] = nodeinfo[4];
-        nodeinfo[7] = (4 << 16) /* we support 4 pkeys */
-                | (dd->ipath_deviceid << 0);
-        /* our chip version as 16 bits major, 16 bits minor */
-        nodeinfo[8] = dd->ipath_minrev | (dd->ipath_majrev << 16);
-        nodeinfo[9] = (dd->ipath_unit << 24) | (dd->ipath_vendorid << 0);
-
-        return simple_read_from_buffer(buf, count, ppos, nodeinfo,
-                                       sizeof nodeinfo);
-}
-
-static const struct file_operations atomic_node_info_ops = {
-        .read = atomic_node_info_read,
-};
-
-static ssize_t atomic_port_info_read(struct file *file, char __user *buf,
-                                     size_t count, loff_t *ppos)
-{
-        u32 portinfo[13];
-        u32 tmp, tmp2;
-        struct ipath_devdata *dd;
-
-        dd = file->f_path.dentry->d_inode->i_private;
-
-        /* so we only initialize non-zero fields. */
-        memset(portinfo, 0, sizeof portinfo);
-
-        /*
-         * Notimpl yet M_Key (64)
-         * Notimpl yet GID (64)
-         */
-
-        portinfo[4] = (dd->ipath_lid << 16);
-
-        /*
-         * Notimpl yet SMLID.
-         * CapabilityMask is 0, we don't support any of these
-         * DiagCode is 0; we don't store any diag info for now Notimpl yet
-         * M_KeyLeasePeriod (we don't support M_Key)
-         */
-
-        /* LocalPortNum is whichever port number they ask for */
-        portinfo[7] = (dd->ipath_unit << 24)
-                /* LinkWidthEnabled */
-                | (2 << 16)
-                /* LinkWidthSupported (really 2, but not IB valid) */
-                | (3 << 8)
-                /* LinkWidthActive */
-                | (2 << 0);
-        tmp = dd->ipath_lastibcstat & IPATH_IBSTATE_MASK;
-        tmp2 = 5;
-        if (tmp == IPATH_IBSTATE_INIT)
-                tmp = 2;
-        else if (tmp == IPATH_IBSTATE_ARM)
-                tmp = 3;
-        else if (tmp == IPATH_IBSTATE_ACTIVE)
-                tmp = 4;
-        else {
-                tmp = 0;        /* down */
-                tmp2 = tmp & 0xf;
-        }
-
-        portinfo[8] = (1 << 28) /* LinkSpeedSupported */
-                | (tmp << 24)   /* PortState */
-                | (tmp2 << 20)  /* PortPhysicalState */
-                | (2 << 16)
-
-                /* LinkDownDefaultState */
-                /* M_KeyProtectBits == 0 */
-                /* NotImpl yet LMC == 0 (we can support all values) */
-                | (1 << 4)      /* LinkSpeedActive */
-                | (1 << 0);     /* LinkSpeedEnabled */
-        switch (dd->ipath_ibmtu) {
-        case 4096:
-                tmp = 5;
-                break;
-        case 2048:
-                tmp = 4;
-                break;
-        case 1024:
-                tmp = 3;
-                break;
-        case 512:
-                tmp = 2;
-                break;
-        case 256:
-                tmp = 1;
-                break;
-        default:                /* oops, something is wrong */
-                ipath_dbg("Problem, ipath_ibmtu 0x%x not a valid IB MTU, "
-                          "treat as 2048\n", dd->ipath_ibmtu);
-                tmp = 4;
-                break;
-        }
-        portinfo[9] = (tmp << 28)
-                /* NeighborMTU */
-                /* Notimpl MasterSMSL */
-                | (1 << 20)
-
-                /* VLCap */
-                /* Notimpl InitType (actually, an SMA decision) */
-                /* VLHighLimit is 0 (only one VL) */
-                ; /* VLArbitrationHighCap is 0 (only one VL) */
-        /*
-         * Note: the chips support a maximum MTU of 4096, but the driver
-         * hasn't implemented this feature yet, so set the maximum
-         * to 2048.
-         */
-        portinfo[10] =  /* VLArbitrationLowCap is 0 (only one VL) */
-                /* InitTypeReply is SMA decision */
-                (4 << 16)       /* MTUCap 2048 */
-                | (7 << 13)     /* VLStallCount */
-                | (0x1f << 8)   /* HOQLife */
-                | (1 << 4)
-
-                /* OperationalVLs 0 */
-                /* PartitionEnforcementInbound */
-                /* PartitionEnforcementOutbound not enforced */
-                /* FilterRawinbound not enforced */
-                ;               /* FilterRawOutbound not enforced */
-        /* M_KeyViolations are not counted by hardware, SMA can count */
-        tmp = ipath_read_creg32(dd, dd->ipath_cregs->cr_errpkey);
-        /* P_KeyViolations are counted by hardware. */
-        portinfo[11] = ((tmp & 0xffff) << 0);
-        portinfo[12] =
-                /* Q_KeyViolations are not counted by hardware */
-                (1 << 8)
-
-                /* GUIDCap */
-                /* SubnetTimeOut handled by SMA */
-                /* RespTimeValue handled by SMA */
-                ;
-        /* LocalPhyErrors are programmed to max */
-        portinfo[12] |= (0xf << 20)
-                | (0xf << 16)   /* OverRunErrors are programmed to max */
-                ;
-
-        return simple_read_from_buffer(buf, count, ppos, portinfo,
-                                       sizeof portinfo);
-}
-
-static const struct file_operations atomic_port_info_ops = {
-        .read = atomic_port_info_read,
-};
-
 static ssize_t flash_read(struct file *file, char __user *buf,
                           size_t count, loff_t *ppos)
 {
@@ -427,22 +258,6 @@ static int create_device_files(struct super_block *sb,
                 goto bail;
         }
 
-        ret = create_file("node_info", S_IFREG|S_IRUGO, dir, &tmp,
-                          &atomic_node_info_ops, dd);
-        if (ret) {
-                printk(KERN_ERR "create_file(%s/node_info) "
-                       "failed: %d\n", unit, ret);
-                goto bail;
-        }
-
-        ret = create_file("port_info", S_IFREG|S_IRUGO, dir, &tmp,
-                          &atomic_port_info_ops, dd);
-        if (ret) {
-                printk(KERN_ERR "create_file(%s/port_info) "
-                       "failed: %d\n", unit, ret);
-                goto bail;
-        }
-
         ret = create_file("flash", S_IFREG|S_IWUSR|S_IRUGO, dir, &tmp,
                           &flash_ops, dd);
         if (ret) {
@@ -508,8 +323,6 @@ static int remove_device_files(struct super_block *sb,
         }
 
         remove_file(dir, "flash");
-        remove_file(dir, "port_info");
-        remove_file(dir, "node_info");
         remove_file(dir, "atomic_counters");
         d_delete(dir);
         ret = simple_rmdir(root->d_inode, dir);