pcmcia: deprecate CS_NO_MORE_ITEMS

CS_NO_MORE_ITEMS is returned by the CIS tuple reading and parsing code if
the end of a tuple chain is reached. As at least one PCMCIA driver relies
on matching this return value, replace it with -ENOSPC which is now
uniquely used for this purpose within the in-kernel pcmcia subsystem.

CC: Russell King <rmk+kernel@arm.linux.org.uk>
CC: linux-serial@vger.kernel.org
CC: Michael Buesch <mb@bu3sch.de>
Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

diff --git a/drivers/pcmcia/cistpl.c b/drivers/pcmcia/cistpl.c
index 660e162..a59e09d 100644 (file)
--- a/drivers/pcmcia/cistpl.c
+++ b/drivers/pcmcia/cistpl.c
@@ -450,7 +450,7 @@ int pccard_get_first_tuple(struct pcmcia_socket *s, unsigned int function, tuple
        if (pccard_get_next_tuple(s, function, tuple) == 0) {
            tuple->DesiredTuple = CISTPL_LINKTARGET;
            if (pccard_get_next_tuple(s, function, tuple) != 0)
-               return CS_NO_MORE_ITEMS;
+               return -ENOSPC;
        } else
            tuple->CISOffset = tuple->TupleLink = 0;
        tuple->DesiredTuple = req;
@@ -526,7 +526,7 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_
        /* End of chain?  Follow long link if possible */
        if (link[0] == CISTPL_END) {
            if ((ofs = follow_link(s, tuple)) < 0)
-               return CS_NO_MORE_ITEMS;
+               return -ENOSPC;
            attr = SPACE(tuple->Flags);
            read_cis_cache(s, attr, ofs, 2, link);
        }
@@ -584,7 +584,7 @@ int pccard_get_next_tuple(struct pcmcia_socket *s, unsigned int function, tuple_
     }
     if (i == MAX_TUPLES) {
        cs_dbg(s, 1, "cs: overrun in pcmcia_get_next_tuple\n");
-       return CS_NO_MORE_ITEMS;
+       return -ENOSPC;
     }
     
     tuple->TupleCode = link[0];
@@ -606,7 +606,7 @@ int pccard_get_tuple_data(struct pcmcia_socket *s, tuple_t *tuple)
        return -EINVAL;
 
     if (tuple->TupleLink < tuple->TupleOffset)
-       return CS_NO_MORE_ITEMS;
+       return -ENOSPC;
     len = tuple->TupleLink - tuple->TupleOffset;
     tuple->TupleDataLen = tuple->TupleLink;
     if (len == 0)
@@ -1490,7 +1490,7 @@ int pccard_validate_cis(struct pcmcia_socket *s, unsigned int function, unsigned
        cards have only a broken VERS_2 tuple; hence the bogus test. */
     if ((pccard_read_tuple(s, function, CISTPL_MANFID, p) == 0) ||
        (pccard_read_tuple(s, function, CISTPL_VERS_1, p) == 0) ||
-       (pccard_read_tuple(s, function, CISTPL_VERS_2, p) != CS_NO_MORE_ITEMS))
+       (pccard_read_tuple(s, function, CISTPL_VERS_2, p) != -ENOSPC))
        ident_ok++;
 
     if (!dev_ok && !ident_ok)

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 7f38eb0..591d962 100644 (file)
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -88,7 +88,7 @@ static const lookup_t error_table[] = {
     { CS_BAD_ARGS,             "Bad arguments" },
     { -EACCES,                 "Configuration locked" },
     { CS_IN_USE,               "Resource in use" },
-    { CS_NO_MORE_ITEMS,                "No more items" },
+    { -ENOSPC,                 "No more items" },
     { CS_OUT_OF_RESOURCE,      "Out of resource" },
     { CS_BAD_TUPLE,            "Bad CIS tuple" }
 };

diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index ed8c4fb..a6289e5 100644 (file)
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -973,7 +973,7 @@ static int ds_ioctl(struct inode * inode, struct file * file,
            err = -EBUSY; break;
        case CS_OUT_OF_RESOURCE:
            err = -ENOSPC; break;
-       case CS_NO_MORE_ITEMS:
+       case -ENOSPC:
            err = -ENODATA; break;
        case -ENOSYS:
            err = -ENOSYS; break;

diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 670465d..8f2c805 100644 (file)
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -211,7 +211,7 @@ int pcmcia_get_window(struct pcmcia_socket *s, window_handle_t *handle,
                if (s->state & SOCKET_WIN_REQ(w))
                        break;
        if (w == MAX_WIN)
-               return CS_NO_MORE_ITEMS;
+               return -EINVAL;
        win = &s->win[w];
        req->Base = win->ctl.res->start;
        req->Size = win->ctl.res->end - win->ctl.res->start + 1;

diff --git a/drivers/serial/serial_cs.c b/drivers/serial/serial_cs.c
index ea7e3c0..dbb3bf3 100644 (file)
--- a/drivers/serial/serial_cs.c
+++ b/drivers/serial/serial_cs.c
@@ -432,7 +432,7 @@ first_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse)
        int i;
        i = pcmcia_get_first_tuple(handle, tuple);
        if (i != 0)
-               return CS_NO_MORE_ITEMS;
+               return i;
        i = pcmcia_get_tuple_data(handle, tuple);
        if (i != 0)
                return i;

diff --git a/drivers/ssb/pcmcia.c b/drivers/ssb/pcmcia.c
index 9699308..fbfadba 100644 (file)
--- a/drivers/ssb/pcmcia.c
+++ b/drivers/ssb/pcmcia.c
@@ -733,7 +733,7 @@ int ssb_pcmcia_get_invariants(struct ssb_bus *bus,
                        break;
                }
                res = pcmcia_get_next_tuple(bus->host_pcmcia, &tuple);
-               if (res == CS_NO_MORE_ITEMS)
+               if (res == -ENOSPC)
                        break;
                GOTO_ERROR_ON(res != 0, "VEN next tpl");
                res = pcmcia_get_tuple_data(bus->host_pcmcia, &tuple);

diff --git a/include/pcmcia/cs.h b/include/pcmcia/cs.h
index 2dc1411..20440de 100644 (file)
--- a/include/pcmcia/cs.h
+++ b/include/pcmcia/cs.h
@@ -315,7 +315,7 @@ typedef struct error_info_t {
 #define CS_BAD_ARGS            0x1c
 #define CS_CONFIGURATION_LOCKED        -EACCES
 #define CS_IN_USE              -EBUSY
-#define CS_NO_MORE_ITEMS       0x1f
+#define CS_NO_MORE_ITEMS       -ENOSPC
 #define CS_OUT_OF_RESOURCE     -ENOMEM
 #define CS_BAD_HANDLE          -EINVAL