Gadget directly set GAHBCFG_HBSTLEN_INCR4, reuse ahbcfg if assigned from platform Signed-off-by: Zhangfei Gao <zhangfei.gao@xxxxxxxxxx> --- drivers/usb/dwc2/core.c | 2 +- drivers/usb/dwc2/gadget.c | 8 ++++++-- 2 files changed, 7 insertions(+), 3 deletions(-) diff --git a/drivers/usb/dwc2/core.c b/drivers/usb/dwc2/core.c index d5197d4..8d388cc 100644 --- a/drivers/usb/dwc2/core.c +++ b/drivers/usb/dwc2/core.c @@ -2563,7 +2563,7 @@ void dwc2_set_param_reload_ctl(struct dwc2_hsotg *hsotg, int val) void dwc2_set_param_ahbcfg(struct dwc2_hsotg *hsotg, int val) { - if (val != -1) + if (val) hsotg->core_params->ahbcfg = val; else hsotg->core_params->ahbcfg = GAHBCFG_HBSTLEN_INCR4 << diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 15aa578..82b520a 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2314,9 +2314,13 @@ void s3c_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, GINTSTS_USBSUSP | GINTSTS_WKUPINT, hsotg->regs + GINTMSK); + if (hsotg->core_params && hsotg->core_params->ahbcfg != -1) + val = hsotg->core_params->ahbcfg & ~GAHBCFG_CTRL_MASK; + else + val = GAHBCFG_HBSTLEN_INCR4 << GAHBCFG_HBSTLEN_SHIFT; + if (using_dma(hsotg)) - writel(GAHBCFG_GLBL_INTR_EN | GAHBCFG_DMA_EN | - (GAHBCFG_HBSTLEN_INCR4 << GAHBCFG_HBSTLEN_SHIFT), + writel(GAHBCFG_GLBL_INTR_EN | GAHBCFG_DMA_EN | val, hsotg->regs + GAHBCFG); else writel(((hsotg->dedicated_fifos) ? (GAHBCFG_NP_TXF_EMP_LVL | -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html