pcmcia: deprecate CS_BAD_VCC and CS_BAD_VPP

They were either used to report that changing voltage is not allowed, or that
changing voltage failed.

Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>

2 files changed, 21 insertions, 11 deletions

diff --git a/drivers/pcmcia/ds.c b/drivers/pcmcia/ds.c
index 4a658e2b6f21..f6ff1218b3f3 100644
--- a/drivers/pcmcia/ds.c
+++ b/drivers/pcmcia/ds.c
@@ -82,8 +82,7 @@ static const lookup_t error_table[] = {
     { CS_BAD_PAGE,              "Bad page number" },
     { CS_BAD_SIZE,              "Bad size" },
     { CS_BAD_TYPE,              "Bad type" },
-    { CS_BAD_VCC,               "Bad Vcc" },
-    { CS_BAD_VPP,               "Bad Vpp" },
+    { -EIO,                     "Input/Output error" },
     { CS_NO_CARD,               "No card present" },
     { -EINVAL,                  "Bad parameter" },
     { CS_GENERAL_FAILURE,       "General failure" },
diff --git a/drivers/pcmcia/pcmcia_resource.c b/drivers/pcmcia/pcmcia_resource.c
index 3b8b0e14d8cf..9b61265fe7be 100644
--- a/drivers/pcmcia/pcmcia_resource.c
+++ b/drivers/pcmcia/pcmcia_resource.c
@@ -291,20 +291,28 @@ int pcmcia_modify_configuration(struct pcmcia_device *p_dev,
                 s->ops->set_socket(s, &s->socket);
         }
 
-        if (mod->Attributes & CONF_VCC_CHANGE_VALID)
-                return CS_BAD_VCC;
+        if (mod->Attributes & CONF_VCC_CHANGE_VALID) {
+                ds_dbg(s, 0, "changing Vcc is not allowed at this time\n");
+                return -EINVAL;
+        }
 
         /* We only allow changing Vpp1 and Vpp2 to the same value */
         if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) &&
             (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
                 if (mod->Vpp1 != mod->Vpp2)
-                        return CS_BAD_VPP;
+                        ds_dbg(s, 0, "Vpp1 and Vpp2 must be the same\n");
+                        return -EINVAL;
                 s->socket.Vpp = mod->Vpp1;
-                if (s->ops->set_socket(s, &s->socket))
-                        return CS_BAD_VPP;
+                if (s->ops->set_socket(s, &s->socket)) {
+                        dev_printk(KERN_WARNING, &s->dev,
+                                   "Unable to set VPP\n");
+                        return -EIO;
+                }
         } else if ((mod->Attributes & CONF_VPP1_CHANGE_VALID) ||
-                   (mod->Attributes & CONF_VPP2_CHANGE_VALID))
-                return CS_BAD_VPP;
+                   (mod->Attributes & CONF_VPP2_CHANGE_VALID)) {
+                ds_dbg(s, 0, "changing Vcc is not allowed at this time\n");
+                return -EINVAL;
+        }
 
         if (mod->Attributes & CONF_IO_CHANGE_WIDTH) {
                 pccard_io_map io_off = { 0, 0, 0, 0, 1 };
@@ -485,8 +493,11 @@ int pcmcia_request_configuration(struct pcmcia_device *p_dev,
 
         /* Do power control.  We don't allow changes in Vcc. */
         s->socket.Vpp = req->Vpp;
-        if (s->ops->set_socket(s, &s->socket))
-                return CS_BAD_VPP;
+        if (s->ops->set_socket(s, &s->socket)) {
+                dev_printk(KERN_WARNING, &s->dev,
+                           "Unable to set socket state\n");
+                return -EINVAL;
+        }
 
         /* Pick memory or I/O card, DMA mode, interrupt */
         c->IntType = req->IntType;