diff options
| author | Pawel Laszczak <pawell@cadence.com> | 2020-07-13 12:05:47 +0200 |
|---|---|---|
| committer | Felipe Balbi <balbi@kernel.org> | 2020-07-24 16:45:12 +0300 |
| commit | 27afe1661275213adee3f8dc08b3610abcbca678 (patch) | |
| tree | 1b5a07bbaf10c8ddc820518a8d57c54ba4357731 /drivers/usb/cdns3/drd.c | |
| parent | b20aecff99a2335731bb2ae69c8368dfc356aef7 (diff) | |
usb: cdns3: drd: removed not needed variables initialization
Patch remove some variables initialization from core.c and drd.c
file.
Reviewed-by: Peter Chen <peter.chen@nxp.com>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Signed-off-by: Felipe Balbi <balbi@kernel.org>
Diffstat (limited to 'drivers/usb/cdns3/drd.c')
| -rw-r--r-- | drivers/usb/cdns3/drd.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/drivers/usb/cdns3/drd.c b/drivers/usb/cdns3/drd.c index 58089841ed52..4939a568d8a2 100644 --- a/drivers/usb/cdns3/drd.c +++ b/drivers/usb/cdns3/drd.c @@ -29,7 +29,6 @@ */ int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode) { - int ret = 0; u32 reg; switch (mode) { @@ -61,7 +60,7 @@ int cdns3_set_mode(struct cdns3 *cdns, enum usb_dr_mode mode) return -EINVAL; } - return ret; + return 0; } int cdns3_get_id(struct cdns3 *cdns) @@ -134,11 +133,11 @@ static void cdns3_otg_enable_irq(struct cdns3 *cdns) int cdns3_drd_switch_host(struct cdns3 *cdns, int on) { int ret, val; - u32 reg = OTGCMD_OTG_DIS; /* switch OTG core */ if (on) { - writel(OTGCMD_HOST_BUS_REQ | reg, &cdns->otg_regs->cmd); + writel(OTGCMD_HOST_BUS_REQ | OTGCMD_OTG_DIS, + &cdns->otg_regs->cmd); dev_dbg(cdns->dev, "Waiting till Host mode is turned on\n"); ret = readl_poll_timeout_atomic(&cdns->otg_regs->sts, val, @@ -212,7 +211,7 @@ int cdns3_drd_switch_gadget(struct cdns3 *cdns, int on) */ static int cdns3_init_otg_mode(struct cdns3 *cdns) { - int ret = 0; + int ret; cdns3_otg_disable_irq(cdns); /* clear all interrupts */ @@ -223,7 +222,8 @@ static int cdns3_init_otg_mode(struct cdns3 *cdns) return ret; cdns3_otg_enable_irq(cdns); - return ret; + + return 0; } /** @@ -234,7 +234,7 @@ static int cdns3_init_otg_mode(struct cdns3 *cdns) */ int cdns3_drd_update_mode(struct cdns3 *cdns) { - int ret = 0; + int ret; switch (cdns->dr_mode) { case USB_DR_MODE_PERIPHERAL: @@ -307,8 +307,8 @@ static irqreturn_t cdns3_drd_irq(int irq, void *data) int cdns3_drd_init(struct cdns3 *cdns) { void __iomem *regs; - int ret = 0; u32 state; + int ret; regs = devm_ioremap_resource(cdns->dev, &cdns->otg_res); if (IS_ERR(regs)) @@ -359,7 +359,6 @@ int cdns3_drd_init(struct cdns3 *cdns) cdns3_drd_thread_irq, IRQF_SHARED, dev_name(cdns->dev), cdns); - if (ret) { dev_err(cdns->dev, "couldn't get otg_irq\n"); return ret; @@ -371,7 +370,7 @@ int cdns3_drd_init(struct cdns3 *cdns) return -ENODEV; } - return ret; + return 0; } int cdns3_drd_exit(struct cdns3 *cdns) |