Re: [PATCH] tty: serial: ifx6x60: Convert to GPIO descriptors

[Greg Kroah-Hartman <gregkh@linuxfoundation.org>]

On Mon, Mar 02, 2020 at 11:11:17AM +0100, Linus Walleij wrote:
> This driver for the Intel MID never seems to have been properly
> integrated upstream: the platform data in <linux/spi/ifx_modem.h>
> is not used anywhere in the kernel and haven't been since it was
> merged into the kernel in 2010.
> 
> There might be out-of-tree users, so I don't want to delete the
> driver, but I will refactor it to use GPIO descriptors, which
> means that out-of-tree users will need to adapt.
> 
> There are several examples in the kernel of how to provide the
> resources necessary for using GPIO descriptors to pass in the
> GPIO lines, for the MID platform in particular, it will suffice
> to inspect the code in files like:
> arch/x86/platform/intel-mid/device_libs/platform_bt.c
> 
> This refactoring transfers all GPIOs in the driver, including
> a hard-coded "PMU reset" in the driver to use GPIO descriptors
> instead.
> 
> The following named GPIO descriptors need to be supplied:
> - reset
> - power
> - mrdy
> - srdy
> - rst_out
> - pmu_reset
> 
> Cc: Russ Gorby <russ.gorby@intel.com>
> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
> Acked-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> ---
>  drivers/tty/serial/ifx6x60.c  | 170 ++++++++++++----------------------
>  drivers/tty/serial/ifx6x60.h  |  13 ++-
>  include/linux/spi/ifx_modem.h |   5 -
>  3 files changed, 65 insertions(+), 123 deletions(-)

This fails to apply to my tty-next branch, can you rebase and resend?

thanks,

greg k-h