On Wed, 27 Jan 2021 11:59:51 +0300 Dan Carpenter <dan.carpenter@xxxxxxxxxx> wrote: > On Wed, Jan 27, 2021 at 03:28:22PM +0800, Carlis wrote: > > static int init_display(struct fbtft_par *par) > > { > > + int rc; > > + struct device *dev = par->info->device; > > + > > + par->gpio.te = devm_gpiod_get_index_optional(dev, "te", 0, > > GPIOD_IN); > > + if (IS_ERR(par->gpio.te)) { > > + rc = PTR_ERR(par->gpio.te); > > + pr_err("Failed to request te gpio: %d\n", rc); > > + par->gpio.te = NULL; > > + } > > + if (par->gpio.te) { > > + init_completion(&spi_panel_te); > > + mutex_init(&te_mutex); > > + rc = devm_request_irq(dev, > > + gpiod_to_irq(par->gpio.te), > > + spi_panel_te_handler, > > IRQF_TRIGGER_RISING, > > + "TE_GPIO", par); > > + if (rc) { > > + pr_err("TE request_irq failed.\n"); > > + devm_gpiod_put(dev, par->gpio.te); > > + par->gpio.te = NULL; > > + } else { > > + > > disable_irq_nosync(gpiod_to_irq(par->gpio.te)); > > + pr_info("TE request_irq completion.\n"); > > #SadFaceEmoji > > > + } > > + } else { > > + pr_info("%s:%d, TE gpio not specified\n", > > + __func__, __LINE__); > > + } > > regards, > dan carpenter > Sorry,i will delete this log in patch v8 regards zhangxuezhi _______________________________________________ devel mailing list devel@xxxxxxxxxxxxxxxxxxxxxx http://driverdev.linuxdriverproject.org/mailman/listinfo/driverdev-devel