Re: [PATCH] USB: ftdi_sio: add GPIO support

From: Sergei Shtylyov
Date: Mon Jun 09 2014 - 14:36:58 EST


Hello.

On 06/09/2014 06:23 PM, One Thousand Gnomes wrote:

#include <linux/kernel.h>
#include <linux/errno.h>
+#ifdef CONFIG_GPIOLIB
+#include <linux/gpio.h>
+#endif

Please create a new struct, a new file and put all the GPIO stuff in
there rather than #if bombing the driver.

You can then declare blank methods for the gpio stuff if GPIO is not
compiled in - ie in the headers

#ifdef CONFIG_GPIOLIB
extern int ftdi_gpio_open(struct ftdi_private *priv);
etc...
#else
extern inline int ftdi_gpio_open(struct ftdi_private *priv) { return 0 };

I guess you meant *static* instead of *extern* here?

#endif

WBR, Sergei

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