From mboxrd@z Thu Jan 1 00:00:00 1970 From: gregkh@linuxfoundation.org (Greg Kroah-Hartman) Date: Thu, 20 Sep 2018 13:32:25 +0200 Subject: [PATCH v3 2/2] serial: uartps: Change uart ID port allocation In-Reply-To: References: Message-ID: <20180920113225.GA19956@kroah.com> To: linux-arm-kernel@lists.infradead.org List-Id: linux-arm-kernel.lists.infradead.org On Tue, Sep 18, 2018 at 04:57:59PM +0200, Michal Simek wrote: > For IPs which have alias algorightm all the time using that alias and > minor number. It means serial20 alias ends up as ttyPS20. > > If alias is not setup for probed IP instance the first unused position is > used but that needs to be checked if it is really empty because another > instance doesn't need to be probed at that time. of_alias_get_alias_list() > fills alias bitmap which exactly shows which ID is free. > If alias pointing to different not compatible IP, it is free to use. > > cdns_get_id() call is placed below structure allocation to simplify > error path. > > Signed-off-by: Michal Simek > --- > > Changes in v3: None > Changes in v2: > - Add handle of return value from of_alias_get_alias_list > > Needs to be applied on the top of > https://lkml.org/lkml/2018/9/3/404 > https://lkml.org/lkml/2018/9/3/400 (minor that's why just in case) > > Greg: Please apply it with > "of: base: Introduce of_alias_get_alias_list() to check alias IDs > Rob is ok with that. I don't have that patch, can you resend the whole series? thanks, greg k-h