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[PATCH] staging: dgap: remove unused configuration

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The IO configuration was not used to configure the board. It was only
read from the configuration file. Stop reading it and also remove the
other related variables defined for it.

Signed-off-by: Sudip Mukherjee <sudip@vectorindia.org>
---

 drivers/staging/dgap/dgap.c | 21 ---------------------
 drivers/staging/dgap/dgap.h |  4 ----
 2 files changed, 25 deletions(-)

diff --git a/drivers/staging/dgap/dgap.c b/drivers/staging/dgap/dgap.c
index 64f6149..aa3aa72 100644
--- a/drivers/staging/dgap/dgap.c
+++ b/drivers/staging/dgap/dgap.c
@@ -248,7 +248,6 @@ static struct toklist dgap_tlist[] = {
 	{ BEGIN,	"config_begin" },
 	{ END,		"config_end" },
 	{ BOARD,	"board"	},
-	{ IO,		"io" },
 	{ PCIINFO,	"pciinfo" },
 	{ LINE,		"line" },
 	{ CONC,		"conc" },
@@ -662,25 +661,6 @@ static int dgap_parsefile(char **in)
 
 			break;
 
-		case IO:	/* i/o port */
-			if (p->type != BNODE) {
-				pr_err("IO port only valid for boards");
-				return -1;
-			}
-			s = dgap_getword(in);
-			if (!s) {
-				pr_err("unexpected end of file");
-				return -1;
-			}
-			kfree(p->u.board.portstr);
-			p->u.board.portstr = kstrdup(s, GFP_KERNEL);
-			if (kstrtol(s, 0, &p->u.board.port)) {
-				pr_err("bad number for IO port");
-				return -1;
-			}
-			p->u.board.v_port = 1;
-			break;
-
 		case MEM:	/* memory address */
 			if (p->type != BNODE) {
 				pr_err("memory address only valid for boards");
@@ -1296,7 +1276,6 @@ static void dgap_cleanup_nodes(void)
 
 		switch (p->type) {
 		case BNODE:
-			kfree(p->u.board.portstr);
 			kfree(p->u.board.addrstr);
 			kfree(p->u.board.pcibusstr);
 			kfree(p->u.board.pcislotstr);
diff --git a/drivers/staging/dgap/dgap.h b/drivers/staging/dgap/dgap.h
index e707ed5..c84dbf2 100644
--- a/drivers/staging/dgap/dgap.h
+++ b/drivers/staging/dgap/dgap.h
@@ -409,7 +409,6 @@
 #define	ID	76
 #define CABLE	77
 #define CONNECT	78
-#define	IO	79
 #define	MEM	80
 #define DPSZ	81
 
@@ -1152,8 +1151,6 @@ struct cnode {
 	union {
 		struct {
 			char  type;	/* Board Type           */
-			long  port;	/* I/O Address		*/
-			char  *portstr; /* I/O Address in string */
 			long  addr;	/* Memory Address	*/
 			char  *addrstr; /* Memory Address in string */
 			long  pcibus;	/* PCI BUS		*/
@@ -1164,7 +1161,6 @@ struct cnode {
 			char  *id;	/* tty id		*/
 			long  start;	/* start of tty counting */
 			char  *method;  /* Install method       */
-			char  v_port;
 			char  v_addr;
 			char  v_pcibus;
 			char  v_pcislot;
-- 
1.9.1

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Thread

[PATCH] staging: dgap: remove unused configuration Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-10-04 18:00 +0200
  Re: [PATCH] staging: dgap: remove unused configuration Dan Carpenter <dan.carpenter@oracle.com> - 2015-10-05 11:50 +0200
    Re: [PATCH] staging: dgap: remove unused configuration Sudip Mukherjee <sudipm.mukherjee@gmail.com> - 2015-10-05 12:20 +0200

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