Hi, On 15/06/2015 at 18:38:05 +0200, Cyrille Pitchen wrote : > + err = of_property_read_string(pdev->dev.of_node, > + "atmel,flexcom-mode", &mode); > + if (err) > + return err; > + > + if (!strcmp(mode, "usart")) > + mr = FX_MR_USART; > + else if (!strcmp(mode, "spi")) > + mr = FX_MR_SPI; > + else if (!strcmp(mode, "twi") || !strcmp(mode, "i2c")) > + mr = FX_MR_TWI; > + else > + return -EINVAL; > + > + clk_prepare_enable(clk); > + version = __raw_readl(map + FX_VERSION); > + __raw_writel(mr, map + FX_MR); > + clk_disable_unprepare(clk); > + > + dev_info(&pdev->dev, "version: %#x\n", version); > +
I would also print the selected mode for debugging convenience, especially if this is used with device tree overlays. -- Alexandre Belloni, Free Electrons Embedded Linux, Kernel and Android engineering http://free-electrons.com -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
