staging: wilc1000: remove unused functions

This patch removes unused function pointer hif_sync and hif_clear_int, and
removes it's related functions sdio_clear_int, sdio_sync, wilc_spi_clear_int
and wilc_spi_sync.

Signed-off-by: Glen Lee <glen.lee@atmel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/staging/wilc1000/wilc_sdio.c b/drivers/staging/wilc1000/wilc_sdio.c
index efa3379..325e274 100644 (file)
--- a/drivers/staging/wilc1000/wilc_sdio.c
+++ b/drivers/staging/wilc1000/wilc_sdio.c
@@ -130,37 +130,6 @@ _fail_:
        return 0;
 }
 
-static int sdio_clear_int(struct wilc *wilc)
-{
-       struct sdio_func *func = dev_to_sdio_func(wilc->dev);
-
-       if (!g_sdio.irq_gpio) {
-               /* u32 sts; */
-               sdio_cmd52_t cmd;
-
-               cmd.read_write = 0;
-               cmd.function = 1;
-               cmd.raw = 0;
-               cmd.address = 0x4;
-               cmd.data = 0;
-               wilc_sdio_cmd52(wilc, &cmd);
-
-               return cmd.data;
-       } else {
-               u32 reg;
-
-               if (!sdio_read_reg(wilc, WILC_HOST_RX_CTRL_0, &reg)) {
-                       dev_err(&func->dev, "Failed read reg (%08x)...\n",
-                               WILC_HOST_RX_CTRL_0);
-                       return 0;
-               }
-               reg &= ~0x1;
-               sdio_write_reg(wilc, WILC_HOST_RX_CTRL_0, reg);
-               return 1;
-       }
-
-}
-
 /********************************************
  *
  *      Sdio interfaces
@@ -451,67 +420,6 @@ static int sdio_deinit(struct wilc *wilc)
        return 1;
 }
 
-static int sdio_sync(struct wilc *wilc)
-{
-       struct sdio_func *func = dev_to_sdio_func(wilc->dev);
-       u32 reg;
-
-       /**
-        *      Disable power sequencer
-        **/
-       if (!sdio_read_reg(wilc, WILC_MISC, &reg)) {
-               dev_err(&func->dev, "Failed read misc reg...\n");
-               return 0;
-       }
-
-       reg &= ~BIT(8);
-       if (!sdio_write_reg(wilc, WILC_MISC, reg)) {
-               dev_err(&func->dev, "Failed write misc reg...\n");
-               return 0;
-       }
-
-       if (g_sdio.irq_gpio) {
-               u32 reg;
-               int ret;
-
-               /**
-                *      interrupt pin mux select
-                **/
-               ret = sdio_read_reg(wilc, WILC_PIN_MUX_0, &reg);
-               if (!ret) {
-                       dev_err(&func->dev, "Failed read reg (%08x)...\n",
-                               WILC_PIN_MUX_0);
-                       return 0;
-               }
-               reg |= BIT(8);
-               ret = sdio_write_reg(wilc, WILC_PIN_MUX_0, reg);
-               if (!ret) {
-                       dev_err(&func->dev, "Failed write reg (%08x)...\n",
-                               WILC_PIN_MUX_0);
-                       return 0;
-               }
-
-               /**
-                *      interrupt enable
-                **/
-               ret = sdio_read_reg(wilc, WILC_INTR_ENABLE, &reg);
-               if (!ret) {
-                       dev_err(&func->dev, "Failed read reg (%08x)...\n",
-                               WILC_INTR_ENABLE);
-                       return 0;
-               }
-               reg |= BIT(16);
-               ret = sdio_write_reg(wilc, WILC_INTR_ENABLE, reg);
-               if (!ret) {
-                       dev_err(&func->dev, "Failed write reg (%08x)...\n",
-                               WILC_INTR_ENABLE);
-                       return 0;
-               }
-       }
-
-       return 1;
-}
-
 static int sdio_init(struct wilc *wilc)
 {
        struct sdio_func *func = dev_to_sdio_func(wilc->dev);
@@ -952,8 +860,6 @@ const struct wilc_hif_func wilc_hif_sdio = {
        .hif_write_reg = sdio_write_reg,
        .hif_block_rx = sdio_read,
        .hif_block_tx = sdio_write,
-       .hif_sync = sdio_sync,
-       .hif_clear_int = sdio_clear_int,
        .hif_read_int = sdio_read_int,
        .hif_clear_int_ext = sdio_clear_int_ext,
        .hif_read_size = sdio_read_size,

diff --git a/drivers/staging/wilc1000/wilc_spi.c b/drivers/staging/wilc1000/wilc_spi.c
index 478a356..faaeaf7 100644 (file)
--- a/drivers/staging/wilc1000/wilc_spi.c
+++ b/drivers/staging/wilc1000/wilc_spi.c
@@ -668,21 +668,6 @@ static int _wilc_spi_read(struct wilc *wilc, u32 addr, u8 *buf, u32 size)
  *
  ********************************************/
 
-static int wilc_spi_clear_int(struct wilc *wilc)
-{
-       struct spi_device *spi = to_spi_device(wilc->dev);
-       u32 reg;
-
-       if (!wilc_spi_read_reg(wilc, WILC_HOST_RX_CTRL_0, &reg)) {
-               dev_err(&spi->dev, "Failed read reg (%08x)...\n",
-                       WILC_HOST_RX_CTRL_0);
-               return 0;
-       }
-       reg &= ~0x1;
-       wilc_spi_write_reg(wilc, WILC_HOST_RX_CTRL_0, reg);
-       return 1;
-}
-
 static int _wilc_spi_deinit(struct wilc *wilc)
 {
        /**
@@ -691,49 +676,6 @@ static int _wilc_spi_deinit(struct wilc *wilc)
        return 1;
 }
 
-static int wilc_spi_sync(struct wilc *wilc)
-{
-       struct spi_device *spi = to_spi_device(wilc->dev);
-       u32 reg;
-       int ret;
-
-       /**
-        *      interrupt pin mux select
-        **/
-       ret = wilc_spi_read_reg(wilc, WILC_PIN_MUX_0, &reg);
-       if (!ret) {
-               dev_err(&spi->dev,"Failed read reg (%08x)...\n",
-                       WILC_PIN_MUX_0);
-               return 0;
-       }
-       reg |= BIT(8);
-       ret = wilc_spi_write_reg(wilc, WILC_PIN_MUX_0, reg);
-       if (!ret) {
-               dev_err(&spi->dev, "Failed write reg (%08x)...\n",
-                       WILC_PIN_MUX_0);
-               return 0;
-       }
-
-       /**
-        *      interrupt enable
-        **/
-       ret = wilc_spi_read_reg(wilc, WILC_INTR_ENABLE, &reg);
-       if (!ret) {
-               dev_err(&spi->dev, "Failed read reg (%08x)...\n",
-                       WILC_INTR_ENABLE);
-               return 0;
-       }
-       reg |= BIT(16);
-       ret = wilc_spi_write_reg(wilc, WILC_INTR_ENABLE, reg);
-       if (!ret) {
-               dev_err(&spi->dev, "Failed write reg (%08x)...\n",
-                       WILC_INTR_ENABLE);
-               return 0;
-       }
-
-       return 1;
-}
-
 static int _wilc_spi_init(struct wilc *wilc)
 {
        struct spi_device *spi = to_spi_device(wilc->dev);
@@ -1058,8 +1000,6 @@ const struct wilc_hif_func wilc_hif_spi = {
        .hif_write_reg = wilc_spi_write_reg,
        .hif_block_rx = _wilc_spi_read,
        .hif_block_tx = _wilc_spi_write,
-       .hif_sync = wilc_spi_sync,
-       .hif_clear_int = wilc_spi_clear_int,
        .hif_read_int = wilc_spi_read_int,
        .hif_clear_int_ext = wilc_spi_clear_int_ext,
        .hif_read_size = wilc_spi_read_size,

diff --git a/drivers/staging/wilc1000/wilc_wlan.h b/drivers/staging/wilc1000/wilc_wlan.h
index 580e1d6..2edd744 100644 (file)
--- a/drivers/staging/wilc1000/wilc_wlan.h
+++ b/drivers/staging/wilc1000/wilc_wlan.h
@@ -232,8 +232,6 @@ struct wilc_hif_func {
        int (*hif_write_reg)(struct wilc *, u32, u32);
        int (*hif_block_rx)(struct wilc *, u32, u8 *, u32);
        int (*hif_block_tx)(struct wilc *, u32, u8 *, u32);
-       int (*hif_sync)(struct wilc *);
-       int (*hif_clear_int)(struct wilc *);
        int (*hif_read_int)(struct wilc *, u32 *);
        int (*hif_clear_int_ext)(struct wilc *, u32);
        int (*hif_read_size)(struct wilc *, u32 *);