diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-23 17:38:08 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-01-23 17:38:08 +0300 |
| commit | e3e9fc7fa7ad221cc2e7b207d514cc84ed393251 (patch) | |
| tree | 7de34df1844075bd3ed0391546d74ae9dab5fcae /drivers/usb/typec/altmodes | |
| parent | dd2f003e4e85b154754d5a83e0c3b1b517d1f802 (diff) | |
| parent | 2241ab53cbb5cdb08a6b2d4688feb13971058f65 (diff) | |
| download | linux-e3e9fc7fa7ad221cc2e7b207d514cc84ed393251.tar.xz | |
Merge 6.2-rc5 into usb-next
We need the USB fixes in here and this resolves merge conflicts as
reported in linux-next in the following files:
drivers/usb/host/xhci.c
drivers/usb/host/xhci.h
drivers/usb/typec/ucsi/ucsi.c
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/usb/typec/altmodes')
| -rw-r--r-- | drivers/usb/typec/altmodes/displayport.c | 22 |
1 files changed, 14 insertions, 8 deletions
diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c index 06fb4732f8cd..746bfbf3d557 100644 --- a/drivers/usb/typec/altmodes/displayport.c +++ b/drivers/usb/typec/altmodes/displayport.c @@ -420,6 +420,18 @@ static const char * const pin_assignments[] = { [DP_PIN_ASSIGN_F] = "F", }; +/* + * Helper function to extract a peripheral's currently supported + * Pin Assignments from its DisplayPort alternate mode state. + */ +static u8 get_current_pin_assignments(struct dp_altmode *dp) +{ + if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_UFP_U_AS_DFP_D) + return DP_CAP_PIN_ASSIGN_DFP_D(dp->alt->vdo); + else + return DP_CAP_PIN_ASSIGN_UFP_D(dp->alt->vdo); +} + static ssize_t pin_assignment_store(struct device *dev, struct device_attribute *attr, const char *buf, size_t size) @@ -446,10 +458,7 @@ pin_assignment_store(struct device *dev, struct device_attribute *attr, goto out_unlock; } - if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_DFP_D) - assignments = DP_CAP_UFP_D_PIN_ASSIGN(dp->alt->vdo); - else - assignments = DP_CAP_DFP_D_PIN_ASSIGN(dp->alt->vdo); + assignments = get_current_pin_assignments(dp); if (!(DP_CONF_GET_PIN_ASSIGN(conf) & assignments)) { ret = -EINVAL; @@ -486,10 +495,7 @@ static ssize_t pin_assignment_show(struct device *dev, cur = get_count_order(DP_CONF_GET_PIN_ASSIGN(dp->data.conf)); - if (DP_CONF_CURRENTLY(dp->data.conf) == DP_CONF_DFP_D) - assignments = DP_CAP_UFP_D_PIN_ASSIGN(dp->alt->vdo); - else - assignments = DP_CAP_DFP_D_PIN_ASSIGN(dp->alt->vdo); + assignments = get_current_pin_assignments(dp); for (i = 0; assignments; assignments >>= 1, i++) { if (assignments & 1) { |