diff options
Diffstat (limited to 'drivers/usb/chipidea/ci_hdrc_usb2.c')
| -rw-r--r-- | drivers/usb/chipidea/ci_hdrc_usb2.c | 30 |
1 files changed, 18 insertions, 12 deletions
diff --git a/drivers/usb/chipidea/ci_hdrc_usb2.c b/drivers/usb/chipidea/ci_hdrc_usb2.c index c044fba463e4..89e1d82d739b 100644 --- a/drivers/usb/chipidea/ci_hdrc_usb2.c +++ b/drivers/usb/chipidea/ci_hdrc_usb2.c @@ -28,13 +28,19 @@ static const struct ci_hdrc_platform_data ci_default_pdata = { .flags = CI_HDRC_DISABLE_STREAMING, }; -static struct ci_hdrc_platform_data ci_zynq_pdata = { +static const struct ci_hdrc_platform_data ci_zynq_pdata = { .capoffset = DEF_CAPOFFSET, }; +static const struct ci_hdrc_platform_data ci_zevio_pdata = { + .capoffset = DEF_CAPOFFSET, + .flags = CI_HDRC_REGS_SHARED | CI_HDRC_FORCE_FULLSPEED, +}; + static const struct of_device_id ci_hdrc_usb2_of_match[] = { - { .compatible = "chipidea,usb2"}, - { .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata}, + { .compatible = "chipidea,usb2" }, + { .compatible = "xlnx,zynq-usb-2.20a", .data = &ci_zynq_pdata }, + { .compatible = "lsi,zevio-usb", .data = &ci_zevio_pdata }, { } }; MODULE_DEVICE_TABLE(of, ci_hdrc_usb2_of_match); @@ -64,13 +70,14 @@ static int ci_hdrc_usb2_probe(struct platform_device *pdev) if (!priv) return -ENOMEM; - priv->clk = devm_clk_get(dev, NULL); - if (!IS_ERR(priv->clk)) { - ret = clk_prepare_enable(priv->clk); - if (ret) { - dev_err(dev, "failed to enable the clock: %d\n", ret); - return ret; - } + priv->clk = devm_clk_get_optional(dev, NULL); + if (IS_ERR(priv->clk)) + return PTR_ERR(priv->clk); + + ret = clk_prepare_enable(priv->clk); + if (ret) { + dev_err(dev, "failed to enable the clock: %d\n", ret); + return ret; } ci_pdata->name = dev_name(dev); @@ -94,8 +101,7 @@ static int ci_hdrc_usb2_probe(struct platform_device *pdev) return 0; clk_err: - if (!IS_ERR(priv->clk)) - clk_disable_unprepare(priv->clk); + clk_disable_unprepare(priv->clk); return ret; } |