Re: [PATCH v4 06/12] fpga: dfl: afu: export __port_enable/disable function.

Greg KH
2019-08-05T15:52:45Z

On Sun, Aug 04, 2019 at 06:20:16PM +0800, Wu Hao wrote:
> As these two functions are used by other private features. e.g.
> in error reporting private feature, it requires to check port status
> and reset port for error clearing.
>
> Signed-off-by: Xu Yilun <yilun.xu@intel.com>
> Signed-off-by: Wu Hao <hao.wu@intel.com>
> Acked-by: Moritz Fischer <mdf@kernel.org>
> Acked-by: Alan Tull <atull@kernel.org>
> Signed-off-by: Moritz Fischer <mdf@kernel.org>
> ---
> v2: rebased
> ---
> drivers/fpga/dfl-afu-main.c | 25 ++++++++++++++-----------
> drivers/fpga/dfl-afu.h | 3 +++
> 2 files changed, 17 insertions(+), 11 deletions(-)
>
> diff --git a/drivers/fpga/dfl-afu-main.c b/drivers/fpga/dfl-afu-main.c
> index e013afb..e312179 100644
> --- a/drivers/fpga/dfl-afu-main.c
> +++ b/drivers/fpga/dfl-afu-main.c
> @@ -22,14 +22,16 @@
> #include "dfl-afu.h"
>
> /**
> - * port_enable - enable a port
> + * __port_enable - enable a port
> * @pdev: port platform device.
> *
> * Enable Port by clear the port soft reset bit, which is set by default.
> * The AFU is unable to respond to any MMIO access while in reset.
> - * port_enable function should only be used after port_disable function.
> + * __port_enable function should only be used after __port_disable function.
> + *
> + * The caller needs to hold lock for protection.
> */
> -static void port_enable(struct platform_device *pdev)
> +void __port_enable(struct platform_device *pdev)

worst global function name ever.

Don't polute the global namespace like this for a single driver. If you
REALLY need it, then use a prefix that shows it is your individual
dfl_special_sauce_platform_device_only type thing.

thanks,

greg k-h