staging/wilc1000: remove unused functions

A number of symbols in the wilc1000 driver are completely unused
and can be removed.
This includes two variables that are only written but not read.

Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 0 insertions, 225 deletions

diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c
index 3741836..9af35d1 100644
--- a/drivers/staging/wilc1000/wilc_spi.c
+++ b/drivers/staging/wilc1000/wilc_spi.c
@@ -108,163 +108,6 @@ static u8 crc7(u8 crc, const u8 *buffer, u32 len)
 #define DATA_PKT_SZ_8K				(8 * 1024)
 #define DATA_PKT_SZ					DATA_PKT_SZ_8K
 
-static int spi_cmd(u8 cmd, u32 adr, u32 data, u32 sz, u8 clockless)
-{
-	u8 bc[9];
-	int len = 5;
-	int result = N_OK;
-
-	bc[0] = cmd;
-	switch (cmd) {
-	case CMD_SINGLE_READ:                           /* single word (4 bytes) read */
-		bc[1] = (u8)(adr >> 16);
-		bc[2] = (u8)(adr >> 8);
-		bc[3] = (u8)adr;
-		len = 5;
-		break;
-
-	case CMD_INTERNAL_READ:                 /* internal register read */
-		bc[1] = (u8)(adr >> 8);
-		if (clockless)
-			bc[1] |= BIT(7);
-		bc[2] = (u8)adr;
-		bc[3] = 0x00;
-		len = 5;
-		break;
-
-	case CMD_TERMINATE:                                     /* termination */
-		bc[1] = 0x00;
-		bc[2] = 0x00;
-		bc[3] = 0x00;
-		len = 5;
-		break;
-
-	case CMD_REPEAT:                                                /* repeat */
-		bc[1] = 0x00;
-		bc[2] = 0x00;
-		bc[3] = 0x00;
-		len = 5;
-		break;
-
-	case CMD_RESET:                                                 /* reset */
-		bc[1] = 0xff;
-		bc[2] = 0xff;
-		bc[3] = 0xff;
-		len = 5;
-		break;
-
-	case CMD_DMA_WRITE:                                     /* dma write */
-	case CMD_DMA_READ:                                      /* dma read */
-		bc[1] = (u8)(adr >> 16);
-		bc[2] = (u8)(adr >> 8);
-		bc[3] = (u8)adr;
-		bc[4] = (u8)(sz >> 8);
-		bc[5] = (u8)(sz);
-		len = 7;
-		break;
-
-	case CMD_DMA_EXT_WRITE:         /* dma extended write */
-	case CMD_DMA_EXT_READ:                  /* dma extended read */
-		bc[1] = (u8)(adr >> 16);
-		bc[2] = (u8)(adr >> 8);
-		bc[3] = (u8)adr;
-		bc[4] = (u8)(sz >> 16);
-		bc[5] = (u8)(sz >> 8);
-		bc[6] = (u8)(sz);
-		len = 8;
-		break;
-
-	case CMD_INTERNAL_WRITE:                /* internal register write */
-		bc[1] = (u8)(adr >> 8);
-		if (clockless)
-			bc[1] |= BIT(7);
-		bc[2] = (u8)(adr);
-		bc[3] = (u8)(data >> 24);
-		bc[4] = (u8)(data >> 16);
-		bc[5] = (u8)(data >> 8);
-		bc[6] = (u8)(data);
-		len = 8;
-		break;
-
-	case CMD_SINGLE_WRITE:                  /* single word write */
-		bc[1] = (u8)(adr >> 16);
-		bc[2] = (u8)(adr >> 8);
-		bc[3] = (u8)(adr);
-		bc[4] = (u8)(data >> 24);
-		bc[5] = (u8)(data >> 16);
-		bc[6] = (u8)(data >> 8);
-		bc[7] = (u8)(data);
-		len = 9;
-		break;
-
-	default:
-		result = N_FAIL;
-		break;
-	}
-
-	if (result) {
-		if (!g_spi.crc_off)
-			bc[len - 1] = (crc7(0x7f, (const u8 *)&bc[0], len - 1)) << 1;
-		else
-			len -= 1;
-
-		if (!linux_spi_write(bc, len)) {
-			PRINT_ER("[wilc spi]: Failed cmd write, bus error...\n");
-			result = N_FAIL;
-		}
-	}
-
-	return result;
-}
-
-static int spi_cmd_rsp(u8 cmd)
-{
-	u8 rsp;
-	int result = N_OK;
-
-	/**
-	 *      Command/Control response
-	 **/
-	if ((cmd == CMD_RESET) ||
-	    (cmd == CMD_TERMINATE) ||
-	    (cmd == CMD_REPEAT)) {
-		if (!linux_spi_read(&rsp, 1)) {
-			result = N_FAIL;
-			goto _fail_;
-		}
-	}
-
-	if (!linux_spi_read(&rsp, 1)) {
-		PRINT_ER("[wilc spi]: Failed cmd response read, bus error...\n");
-		result = N_FAIL;
-		goto _fail_;
-	}
-
-	if (rsp != cmd) {
-		PRINT_ER("[wilc spi]: Failed cmd response, cmd (%02x), resp (%02x)\n", cmd, rsp);
-		result = N_FAIL;
-		goto _fail_;
-	}
-
-	/**
-	 *      State response
-	 **/
-	if (!linux_spi_read(&rsp, 1)) {
-		PRINT_ER("[wilc spi]: Failed cmd state read, bus error...\n");
-		result = N_FAIL;
-		goto _fail_;
-	}
-
-	if (rsp != 0x00) {
-		PRINT_ER("[wilc spi]: Failed cmd state response state (%02x)\n", rsp);
-		result = N_FAIL;
-	}
-
-_fail_:
-
-	return result;
-}
-
 static int spi_cmd_complete(u8 cmd, u32 adr, u8 *b, u32 sz, u8 clockless)
 {
 	u8 wb[32], rb[32];
@@ -604,74 +447,6 @@ _error_:
 	return result;
 }
 
-static int spi_data_read(u8 *b, u32 sz)
-{
-	int retry, ix, nbytes;
-	int result = N_OK;
-	u8 crc[2];
-	u8 rsp;
-
-	/**
-	 *      Data
-	 **/
-	ix = 0;
-	do {
-		if (sz <= DATA_PKT_SZ)
-			nbytes = sz;
-		else
-			nbytes = DATA_PKT_SZ;
-
-		/**
-		 *      Data Respnose header
-		 **/
-		retry = 10;
-		do {
-			if (!linux_spi_read(&rsp, 1)) {
-				PRINT_ER("[wilc spi]: Failed data response read, bus error...\n");
-				result = N_FAIL;
-				break;
-			}
-			if (((rsp >> 4) & 0xf) == 0xf)
-				break;
-		} while (retry--);
-
-		if (result == N_FAIL)
-			break;
-
-		if (retry <= 0) {
-			PRINT_ER("[wilc spi]: Failed data response read...(%02x)\n", rsp);
-			result = N_FAIL;
-			break;
-		}
-
-		/**
-		 *      Read bytes
-		 **/
-		if (!linux_spi_read(&b[ix], nbytes)) {
-			PRINT_ER("[wilc spi]: Failed data block read, bus error...\n");
-			result = N_FAIL;
-			break;
-		}
-
-		/**
-		 *      Read Crc
-		 **/
-		if (!g_spi.crc_off) {
-			if (!linux_spi_read(crc, 2)) {
-				PRINT_ER("[wilc spi]: Failed data block crc read, bus error...\n");
-				result = N_FAIL;
-				break;
-			}
-		}
-
-		ix += nbytes;
-		sz -= nbytes;
-
-	} while (sz);
-
-	return result;
-}
-
 static int spi_data_write(u8 *b, u32 sz)
 {
 	int ix, nbytes;