diff options
Diffstat (limited to 'drivers/net/wireless/microchip/wilc1000/wlan.c')
| -rw-r--r-- | drivers/net/wireless/microchip/wilc1000/wlan.c | 41 |
1 files changed, 18 insertions, 23 deletions
diff --git a/drivers/net/wireless/microchip/wilc1000/wlan.c b/drivers/net/wireless/microchip/wilc1000/wlan.c index ea81ef120fd1..fb5633a05fd5 100644 --- a/drivers/net/wireless/microchip/wilc1000/wlan.c +++ b/drivers/net/wireless/microchip/wilc1000/wlan.c @@ -20,13 +20,13 @@ static inline bool is_wilc1000(u32 id) static inline void acquire_bus(struct wilc *wilc, enum bus_acquire acquire) { mutex_lock(&wilc->hif_cs); - if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP) + if (acquire == WILC_BUS_ACQUIRE_AND_WAKEUP && wilc->power_save_mode) chip_wakeup(wilc); } static inline void release_bus(struct wilc *wilc, enum bus_release release) { - if (release == WILC_BUS_RELEASE_ALLOW_SLEEP) + if (release == WILC_BUS_RELEASE_ALLOW_SLEEP && wilc->power_save_mode) chip_allow_sleep(wilc); mutex_unlock(&wilc->hif_cs); } @@ -626,7 +626,6 @@ void chip_wakeup(struct wilc *wilc) u32 clk_status_val = 0, trials = 0; u32 wakeup_reg, wakeup_bit; u32 clk_status_reg, clk_status_bit; - u32 to_host_from_fw_reg, to_host_from_fw_bit; u32 from_host_to_fw_reg, from_host_to_fw_bit; const struct wilc_hif_func *hif_func = wilc->hif_func; @@ -637,8 +636,6 @@ void chip_wakeup(struct wilc *wilc) clk_status_bit = WILC_SDIO_CLK_STATUS_BIT; from_host_to_fw_reg = WILC_SDIO_HOST_TO_FW_REG; from_host_to_fw_bit = WILC_SDIO_HOST_TO_FW_BIT; - to_host_from_fw_reg = WILC_SDIO_FW_TO_HOST_REG; - to_host_from_fw_bit = WILC_SDIO_FW_TO_HOST_BIT; } else { wakeup_reg = WILC_SPI_WAKEUP_REG; wakeup_bit = WILC_SPI_WAKEUP_BIT; @@ -646,8 +643,6 @@ void chip_wakeup(struct wilc *wilc) clk_status_bit = WILC_SPI_CLK_STATUS_BIT; from_host_to_fw_reg = WILC_SPI_HOST_TO_FW_REG; from_host_to_fw_bit = WILC_SPI_HOST_TO_FW_BIT; - to_host_from_fw_reg = WILC_SPI_FW_TO_HOST_REG; - to_host_from_fw_bit = WILC_SPI_FW_TO_HOST_BIT; } /* indicate host wakeup */ @@ -1229,7 +1224,8 @@ int wilc_wlan_stop(struct wilc *wilc, struct wilc_vif *vif) ret = 0; release: - release_bus(wilc, WILC_BUS_RELEASE_ALLOW_SLEEP); + /* host comm is disabled - we can't issue sleep command anymore: */ + release_bus(wilc, WILC_BUS_RELEASE_ONLY); return ret; } @@ -1258,7 +1254,7 @@ void wilc_wlan_cleanup(struct net_device *dev) wilc->rx_buffer = NULL; kfree(wilc->tx_buffer); wilc->tx_buffer = NULL; - wilc->hif_func->hif_deinit(NULL); + wilc->hif_func->hif_deinit(wilc); } static int wilc_wlan_cfg_commit(struct wilc_vif *vif, int type, @@ -1447,31 +1443,30 @@ release: u32 wilc_get_chipid(struct wilc *wilc, bool update) { - static u32 chipid; - u32 tempchipid = 0; + u32 chipid = 0; u32 rfrevid = 0; - if (chipid == 0 || update) { - wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &tempchipid); + if (wilc->chipid == 0 || update) { + wilc->hif_func->hif_read_reg(wilc, WILC_CHIPID, &chipid); wilc->hif_func->hif_read_reg(wilc, WILC_RF_REVISION_ID, &rfrevid); - if (!is_wilc1000(tempchipid)) { - chipid = 0; - return chipid; + if (!is_wilc1000(chipid)) { + wilc->chipid = 0; + return wilc->chipid; } - if (tempchipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ + if (chipid == WILC_1000_BASE_ID_2A) { /* 0x1002A0 */ if (rfrevid != 0x1) - tempchipid = WILC_1000_BASE_ID_2A_REV1; - } else if (tempchipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ + chipid = WILC_1000_BASE_ID_2A_REV1; + } else if (chipid == WILC_1000_BASE_ID_2B) { /* 0x1002B0 */ if (rfrevid == 0x4) - tempchipid = WILC_1000_BASE_ID_2B_REV1; + chipid = WILC_1000_BASE_ID_2B_REV1; else if (rfrevid != 0x3) - tempchipid = WILC_1000_BASE_ID_2B_REV2; + chipid = WILC_1000_BASE_ID_2B_REV2; } - chipid = tempchipid; + wilc->chipid = chipid; } - return chipid; + return wilc->chipid; } int wilc_wlan_init(struct net_device *dev) |