diff options
Diffstat (limited to 'drivers/net/wireless/ath/ath10k/core.c')
-rw-r--r-- | drivers/net/wireless/ath/ath10k/core.c | 70 |
1 files changed, 52 insertions, 18 deletions
diff --git a/drivers/net/wireless/ath/ath10k/core.c b/drivers/net/wireless/ath/ath10k/core.c index dc45d16e8d21..4f76ba5d78a9 100644 --- a/drivers/net/wireless/ath/ath10k/core.c +++ b/drivers/net/wireless/ath/ath10k/core.c @@ -11,6 +11,7 @@ #include <linux/property.h> #include <linux/dmi.h> #include <linux/ctype.h> +#include <linux/pm_qos.h> #include <asm/byteorder.h> #include "core.h" @@ -677,13 +678,22 @@ static void ath10k_send_suspend_complete(struct ath10k *ar) complete(&ar->target_suspend); } -static void ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode) +static int ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode) { + int ret; u32 param = 0; - ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256); - ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99); - ath10k_bmi_read32(ar, hi_acs_flags, ¶m); + ret = ath10k_bmi_write32(ar, hi_mbox_io_block_sz, 256); + if (ret) + return ret; + + ret = ath10k_bmi_write32(ar, hi_mbox_isr_yield_limit, 99); + if (ret) + return ret; + + ret = ath10k_bmi_read32(ar, hi_acs_flags, ¶m); + if (ret) + return ret; /* Data transfer is not initiated, when reduced Tx completion * is used for SDIO. disable it until fixed @@ -700,14 +710,23 @@ static void ath10k_init_sdio(struct ath10k *ar, enum ath10k_firmware_mode mode) else param |= HI_ACS_FLAGS_SDIO_SWAP_MAILBOX_SET; - ath10k_bmi_write32(ar, hi_acs_flags, param); + ret = ath10k_bmi_write32(ar, hi_acs_flags, param); + if (ret) + return ret; /* Explicitly set fwlog prints to zero as target may turn it on * based on scratch registers. */ - ath10k_bmi_read32(ar, hi_option_flag, ¶m); + ret = ath10k_bmi_read32(ar, hi_option_flag, ¶m); + if (ret) + return ret; + param |= HI_OPTION_DISABLE_DBGLOG; - ath10k_bmi_write32(ar, hi_option_flag, param); + ret = ath10k_bmi_write32(ar, hi_option_flag, param); + if (ret) + return ret; + + return 0; } static int ath10k_init_configure_target(struct ath10k *ar) @@ -1009,6 +1028,7 @@ static int ath10k_download_fw(struct ath10k *ar) u32 address, data_len; const void *data; int ret; + struct pm_qos_request latency_qos; address = ar->hw_params.patch_load_addr; @@ -1042,8 +1062,14 @@ static int ath10k_download_fw(struct ath10k *ar) ret); } - return ath10k_bmi_fast_download(ar, address, - data, data_len); + memset(&latency_qos, 0, sizeof(latency_qos)); + pm_qos_add_request(&latency_qos, PM_QOS_CPU_DMA_LATENCY, 0); + + ret = ath10k_bmi_fast_download(ar, address, data, data_len); + + pm_qos_remove_request(&latency_qos); + + return ret; } void ath10k_core_free_board_files(struct ath10k *ar) @@ -2118,12 +2144,15 @@ static int ath10k_init_uart(struct ath10k *ar) return ret; } - if (!uart_print && ar->hw_params.uart_pin_workaround) { - ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, - ar->hw_params.uart_pin); - if (ret) { - ath10k_warn(ar, "failed to set UART TX pin: %d", ret); - return ret; + if (!uart_print) { + if (ar->hw_params.uart_pin_workaround) { + ret = ath10k_bmi_write32(ar, hi_dbg_uart_txpin, + ar->hw_params.uart_pin); + if (ret) { + ath10k_warn(ar, "failed to set UART TX pin: %d", + ret); + return ret; + } } return 0; @@ -2562,8 +2591,13 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, if (status) goto err; - if (ar->hif.bus == ATH10K_BUS_SDIO) - ath10k_init_sdio(ar, mode); + if (ar->hif.bus == ATH10K_BUS_SDIO) { + status = ath10k_init_sdio(ar, mode); + if (status) { + ath10k_err(ar, "failed to init SDIO: %d\n", status); + goto err; + } + } } ar->htc.htc_ops.target_send_suspend_complete = @@ -2784,7 +2818,7 @@ int ath10k_core_start(struct ath10k *ar, enum ath10k_firmware_mode mode, status = ath10k_hif_set_target_log_mode(ar, fw_diag_log); if (status && status != -EOPNOTSUPP) { - ath10k_warn(ar, "set traget log mode faileds: %d\n", status); + ath10k_warn(ar, "set target log mode failed: %d\n", status); goto err_hif_stop; } |