xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

usb: dwc2: Add core parameter for service interval support

Browse Source 
Added core parameter for service interval based scheduling.

Acked-by: Minas Harutyunyan <hminas@synopsys.com>
Signed-off-by: Grigor Tovmasyan <tovmasya@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
This commit is contained in:
Grigor Tovmasyan
2018-08-29 20:59:34 +04:00
committed by Felipe Balbi
parent c464da0bff
commit ca531bc2bf
4 changed files with 18 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/usb/dwc2/params.c
View File

@@ -299,6 +299,7 @@ static void dwc2_set_default_params(struct dwc2_hsotg *hsotg)
p->hird_threshold_en = true;
p->hird_threshold = 4;
p->ipg_isoc_en = false;
p->service_interval = false;
p->max_packet_count = hw->max_packet_count;
p->max_transfer_size = hw->max_transfer_size;
p->ahbcfg = GAHBCFG_HBSTLEN_INCR << GAHBCFG_HBSTLEN_SHIFT;
@@ -592,6 +593,7 @@ static void dwc2_check_params(struct dwc2_hsotg *hsotg)
CHECK_BOOL(besl, (hsotg->hw_params.snpsid >= DWC2_CORE_REV_3_00a));
CHECK_BOOL(hird_threshold_en, hsotg->params.lpm);
CHECK_RANGE(hird_threshold, 0, hsotg->params.besl ? 12 : 7, 0);
CHECK_BOOL(service_interval, hw->service_interval_mode);
CHECK_RANGE(max_packet_count,
15, hw->max_packet_count,
hw->max_packet_count);
@@ -780,6 +782,8 @@ int dwc2_get_hwparams(struct dwc2_hsotg *hsotg)
GHWCFG4_UTMI_PHY_DATA_WIDTH_SHIFT;
hw->acg_enable = !!(hwcfg4 & GHWCFG4_ACG_SUPPORTED);
hw->ipg_isoc_en = !!(hwcfg4 & GHWCFG4_IPG_ISOC_SUPPORTED);
hw->service_interval_mode = !!(hwcfg4 &
GHWCFG4_SERVICE_INTERVAL_SUPPORTED);
/* fifo sizes */
hw->rx_fifo_size = (grxfsiz & GRXFSIZ_DEPTH_MASK) >>