linux-kernel - Re: [PATCH v3 0/3] Bluetooth: hci

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Date:   Tue, 12 Dec 2017 23:52:53 +0100
From:   Marcel Holtmann <marcel@...tmann.org>
To:     David Lechner <david@...hnology.com>
Cc:     devicetree <devicetree@...r.kernel.org>,
        "open list:BLUETOOTH DRIVERS" <linux-bluetooth@...r.kernel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Mark Rutland <mark.rutland@....com>,
        "Gustavo F. Padovan" <gustavo@...ovan.org>,
        Johan Hedberg <johan.hedberg@...il.com>,
        Network Development <netdev@...r.kernel.org>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH v3 0/3] Bluetooth: hci_ll: Get BD address from NVMEM 

Hi David,

> This series adds supporting getting the BD address from a NVMEM provider
> for "LL" HCI controllers (Texas Instruments).
> 
> v3 changes:
> * Additional comments on why swapping bytes is needed.
> * Fixed comment style and trailing whitespace.
> * Rework error handling for nvmem cell code.
> 
> v2 changes:
> * Fixed typos in dt-bindings
> * Use "bd-address" instead of "mac-address"
> * Updated dt-bindings to specify the byte order of "bd-address"
> * New patch "Bluetooth: hci_ll: add support for setting public address"
> * Dropped patch "Bluetooth: hci_ll: add constant for vendor-specific command"
>  that is already in bluetooth-next
> * Rework error handling
> * Use bdaddr_t, bacmp and other bluetooth utils
> 
> David Lechner (3):
>  Bluetooth: hci_ll: add support for setting public address
>  dt-bindings: Add optional nvmem BD address bindings to ti,wlink-st
>  Bluetooth: hci_ll: Add optional nvmem BD address source
> 
> .../devicetree/bindings/net/ti,wilink-st.txt       |  5 ++
> drivers/bluetooth/hci_ll.c                         | 77 ++++++++++++++++++++++
> 2 files changed, 82 insertions(+)

I applied to first 2 patches to bluetooth-next tree, but the 3rd is throwing a warning.

  CC      drivers/bluetooth/hci_ll.o
drivers/bluetooth/hci_ll.c: In function ‘hci_ti_probe’:
drivers/bluetooth/hci_ll.c:814:41: error: passing argument 2 of ‘nvmem_cell_read’ from incompatible pointer type [-Werror=incompatible-pointer-types]
   bdaddr = nvmem_cell_read(bdaddr_cell, &len);
                                         ^
In file included from drivers/bluetooth/hci_ll.c:56:0:
./include/linux/nvmem-consumer.h:81:21: note: expected ‘size_t * {aka long unsigned int *}’ but argument is of type ‘int *’
 static inline void *nvmem_cell_read(struct nvmem_cell *cell, size_t *len)
                     ^~~~~~~~~~~~~~~

Regards

Marcel