diff options
| author | John Youn <John.Youn@synopsys.com> | 2015-12-17 19:17:59 (GMT) |
|---|---|---|
| committer | Felipe Balbi <balbi@ti.com> | 2015-12-22 18:01:19 (GMT) |
| commit | 241729baa932a69cd203dbaa81abbb8af5b77b65 (patch) | |
| tree | 0aa25090f9f2220459b6b5693ec5b945ea8c82a7 /drivers/usb | |
| parent | 43e9034904dd37db7ed87fa8f5039c561c4004cd (diff) | |
| download | linux-241729baa932a69cd203dbaa81abbb8af5b77b65.tar.xz | |
usb: dwc2: gadget: Replace dwc2_hsotg_corereset()
The dwc2_core_reset() function exists in the core so use that one
instead.
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
Diffstat (limited to 'drivers/usb')
| -rw-r--r-- | drivers/usb/dwc2/gadget.c | 50 |
1 files changed, 1 insertions, 49 deletions
diff --git a/drivers/usb/dwc2/gadget.c b/drivers/usb/dwc2/gadget.c index 5f63058..628ba74 100644 --- a/drivers/usb/dwc2/gadget.c +++ b/drivers/usb/dwc2/gadget.c @@ -2244,54 +2244,6 @@ static void dwc2_hsotg_irq_fifoempty(struct dwc2_hsotg *hsotg, bool periodic) GINTSTS_RXFLVL) /** - * dwc2_hsotg_corereset - issue softreset to the core - * @hsotg: The device state - * - * Issue a soft reset to the core, and await the core finishing it. - */ -static int dwc2_hsotg_corereset(struct dwc2_hsotg *hsotg) -{ - int timeout; - u32 grstctl; - - dev_dbg(hsotg->dev, "resetting core\n"); - - /* issue soft reset */ - dwc2_writel(GRSTCTL_CSFTRST, hsotg->regs + GRSTCTL); - - timeout = 10000; - do { - grstctl = dwc2_readl(hsotg->regs + GRSTCTL); - } while ((grstctl & GRSTCTL_CSFTRST) && timeout-- > 0); - - if (grstctl & GRSTCTL_CSFTRST) { - dev_err(hsotg->dev, "Failed to get CSftRst asserted\n"); - return -EINVAL; - } - - timeout = 10000; - - while (1) { - u32 grstctl = dwc2_readl(hsotg->regs + GRSTCTL); - - if (timeout-- < 0) { - dev_info(hsotg->dev, - "%s: reset failed, GRSTCTL=%08x\n", - __func__, grstctl); - return -ETIMEDOUT; - } - - if (!(grstctl & GRSTCTL_AHBIDLE)) - continue; - - break; /* reset done */ - } - - dev_dbg(hsotg->dev, "reset successful\n"); - return 0; -} - -/** * dwc2_hsotg_core_init - issue softreset to the core * @hsotg: The device state * @@ -2307,7 +2259,7 @@ void dwc2_hsotg_core_init_disconnected(struct dwc2_hsotg *hsotg, kill_all_requests(hsotg, hsotg->eps_out[0], -ECONNRESET); if (!is_usb_reset) - if (dwc2_hsotg_corereset(hsotg)) + if (dwc2_core_reset(hsotg)) return; /* |