diff options
| -rw-r--r-- | drivers/net/wireless/cnss/cnss_pci.c | 87 |
1 files changed, 46 insertions, 41 deletions
diff --git a/drivers/net/wireless/cnss/cnss_pci.c b/drivers/net/wireless/cnss/cnss_pci.c index c9412ca6e794..d150c2dd0f0f 100644 --- a/drivers/net/wireless/cnss/cnss_pci.c +++ b/drivers/net/wireless/cnss/cnss_pci.c @@ -114,6 +114,8 @@ #define WLAN_VREG_SP2T_MIN 2700000 #define POWER_ON_DELAY 2 +#define WLAN_VREG_IO_DELAY_MIN 100 +#define WLAN_VREG_IO_DELAY_MAX 1000 #define WLAN_ENABLE_DELAY 10 #define WLAN_RECOVERY_DELAY 1 #define PCIE_ENABLE_DELAY 100 @@ -304,13 +306,6 @@ static int cnss_wlan_vreg_on(struct cnss_wlan_vreg_info *vreg_info) } } - ret = regulator_enable(vreg_info->wlan_reg); - if (ret) { - pr_err("%s: regulator enable failed for WLAN power\n", - __func__); - goto error_enable; - } - if (vreg_info->wlan_reg_io) { ret = regulator_enable(vreg_info->wlan_reg_io); if (ret) { @@ -318,6 +313,8 @@ static int cnss_wlan_vreg_on(struct cnss_wlan_vreg_info *vreg_info) __func__); goto error_enable_reg_io; } + + usleep_range(WLAN_VREG_IO_DELAY_MIN, WLAN_VREG_IO_DELAY_MAX); } if (vreg_info->wlan_reg_xtal_aon) { @@ -338,6 +335,13 @@ static int cnss_wlan_vreg_on(struct cnss_wlan_vreg_info *vreg_info) } } + ret = regulator_enable(vreg_info->wlan_reg); + if (ret) { + pr_err("%s: regulator enable failed for WLAN power\n", + __func__); + goto error_enable; + } + if (vreg_info->wlan_reg_sp2t) { ret = regulator_enable(vreg_info->wlan_reg_sp2t); if (ret) { @@ -374,6 +378,8 @@ error_enable_ant_switch: if (vreg_info->wlan_reg_sp2t) regulator_disable(vreg_info->wlan_reg_sp2t); error_enable_reg_sp2t: + regulator_disable(vreg_info->wlan_reg); +error_enable: if (vreg_info->wlan_reg_xtal) regulator_disable(vreg_info->wlan_reg_xtal); error_enable_reg_xtal: @@ -383,8 +389,6 @@ error_enable_reg_xtal_aon: if (vreg_info->wlan_reg_io) regulator_disable(vreg_info->wlan_reg_io); error_enable_reg_io: - regulator_disable(vreg_info->wlan_reg); -error_enable: if (vreg_info->wlan_reg_core) regulator_disable(vreg_info->wlan_reg_core); error_enable_reg_core: @@ -422,6 +426,13 @@ static int cnss_wlan_vreg_off(struct cnss_wlan_vreg_info *vreg_info) } } + ret = regulator_disable(vreg_info->wlan_reg); + if (ret) { + pr_err("%s: regulator disable failed for WLAN power\n", + __func__); + goto error_disable; + } + if (vreg_info->wlan_reg_xtal) { ret = regulator_disable(vreg_info->wlan_reg_xtal); if (ret) { @@ -449,13 +460,6 @@ static int cnss_wlan_vreg_off(struct cnss_wlan_vreg_info *vreg_info) } } - ret = regulator_disable(vreg_info->wlan_reg); - if (ret) { - pr_err("%s: regulator disable failed for WLAN power\n", - __func__); - goto error_disable; - } - if (vreg_info->wlan_reg_core) { ret = regulator_disable(vreg_info->wlan_reg_core); if (ret) { @@ -715,24 +719,6 @@ static int cnss_wlan_get_resources(struct platform_device *pdev) } } - vreg_info->wlan_reg = regulator_get(&pdev->dev, WLAN_VREG_NAME); - - if (IS_ERR(vreg_info->wlan_reg)) { - if (PTR_ERR(vreg_info->wlan_reg) == -EPROBE_DEFER) - pr_err("%s: vreg probe defer\n", __func__); - else - pr_err("%s: vreg regulator get failed\n", __func__); - ret = PTR_ERR(vreg_info->wlan_reg); - goto err_reg_get; - } - - ret = regulator_enable(vreg_info->wlan_reg); - - if (ret) { - pr_err("%s: vreg initial vote failed\n", __func__); - goto err_reg_enable; - } - if (of_get_property(pdev->dev.of_node, WLAN_VREG_IO_NAME"-supply", NULL)) { vreg_info->wlan_reg_io = regulator_get(&pdev->dev, @@ -752,12 +738,33 @@ static int cnss_wlan_get_resources(struct platform_device *pdev) __func__); goto err_reg_io_enable; } + + usleep_range(WLAN_VREG_IO_DELAY_MIN, + WLAN_VREG_IO_DELAY_MAX); } } if (cnss_enable_xtal_ldo(pdev)) goto err_reg_xtal_enable; + vreg_info->wlan_reg = regulator_get(&pdev->dev, WLAN_VREG_NAME); + + if (IS_ERR(vreg_info->wlan_reg)) { + if (PTR_ERR(vreg_info->wlan_reg) == -EPROBE_DEFER) + pr_err("%s: vreg probe defer\n", __func__); + else + pr_err("%s: vreg regulator get failed\n", __func__); + ret = PTR_ERR(vreg_info->wlan_reg); + goto err_reg_get; + } + + ret = regulator_enable(vreg_info->wlan_reg); + + if (ret) { + pr_err("%s: vreg initial vote failed\n", __func__); + goto err_reg_enable; + } + if (of_get_property(pdev->dev.of_node, WLAN_VREG_SP2T_NAME"-supply", NULL)) { vreg_info->wlan_reg_sp2t = @@ -926,7 +933,11 @@ err_reg_sp2t_enable: err_reg_sp2t_set: if (vreg_info->wlan_reg_sp2t) regulator_put(vreg_info->wlan_reg_sp2t); + regulator_disable(vreg_info->wlan_reg); +err_reg_enable: + regulator_put(vreg_info->wlan_reg); +err_reg_get: cnss_disable_xtal_ldo(pdev); err_reg_xtal_enable: @@ -937,12 +948,6 @@ err_reg_io_enable: err_reg_io_set: if (vreg_info->wlan_reg_io) regulator_put(vreg_info->wlan_reg_io); - regulator_disable(vreg_info->wlan_reg); - -err_reg_enable: - regulator_put(vreg_info->wlan_reg); - -err_reg_get: if (vreg_info->wlan_reg_core) regulator_disable(vreg_info->wlan_reg_core); @@ -972,13 +977,13 @@ static void cnss_wlan_release_resources(void) regulator_put(vreg_info->ant_switch); if (vreg_info->wlan_reg_sp2t) regulator_put(vreg_info->wlan_reg_sp2t); + regulator_put(vreg_info->wlan_reg); if (vreg_info->wlan_reg_xtal) regulator_put(vreg_info->wlan_reg_xtal); if (vreg_info->wlan_reg_xtal_aon) regulator_put(vreg_info->wlan_reg_xtal_aon); if (vreg_info->wlan_reg_io) regulator_put(vreg_info->wlan_reg_io); - regulator_put(vreg_info->wlan_reg); if (vreg_info->wlan_reg_core) regulator_put(vreg_info->wlan_reg_core); vreg_info->state = VREG_OFF; |