From mboxrd@z Thu Jan 1 00:00:00 1970 From: clement.perrochaud@effinnov.com Subject: [PATCH v2 1/3] NFC: nci: Add firmware download support Date: Mon, 9 Mar 2015 11:12:03 +0100 Message-ID: <1425895925-20593-2-git-send-email-clement.perrochaud@effinnov.com> References: <1425895925-20593-1-git-send-email-clement.perrochaud@effinnov.com> Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: QUOTED-PRINTABLE Return-path: In-Reply-To: <1425895925-20593-1-git-send-email-clement.perrochaud@effinnov.com> Sender: linux-kernel-owner@vger.kernel.org To: linux-nfc@lists.01.org Cc: =?UTF-8?q?Cl=C3=A9ment=20Perrochaud?= , sunil.jogi@nxp.com, jerome.pele@nxp.com, Charles.Gorand-Effinnov@nxp.com, lauro.venancio@openbossa.org, aloisio.almeida@openbossa.org, sameo@linux.intel.com, robh+dt@kernel.org, pawel.moll@arm.com, mark.rutland@arm.com, ijc+devicetree@hellion.org.uk, galak@codeaurora.org, davem@davemloft.net, grant.likely@linaro.org, lefrique@marvell.com, christophe.ricard@gmail.com, cuissard@marvell.com, bzhao@marvell.com, hirent@marvell.com, akarwar@marvell.com, linux-wireless@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, netdev@vger.kernel.org, anda-maria.nicolae@intel.com, =?UTF-8?q?Cl=C3=A9ment=20Perrochaud?= List-Id: devicetree@vger.kernel.org =46rom: Cl=C3=A9ment Perrochaud A simple forward for firmware download (i.e. sending a new firmware to the NFC adapter) from the NFC subsystem to the drivers. This feature is required to update the firmware of NXP-NCI NFC controllers but can be used by any NCI driver. This feature has been present in the HCI subsystem since 9a695d. Signed-off-by: Cl=C3=A9ment Perrochaud --- include/net/nfc/nci_core.h | 1 + net/nfc/nci/core.c | 11 +++++++++++ 2 files changed, 12 insertions(+) diff --git a/include/net/nfc/nci_core.h b/include/net/nfc/nci_core.h index ff87f86..34a6e09 100644 --- a/include/net/nfc/nci_core.h +++ b/include/net/nfc/nci_core.h @@ -71,6 +71,7 @@ struct nci_ops { int (*close)(struct nci_dev *ndev); int (*send)(struct nci_dev *ndev, struct sk_buff *skb); int (*setup)(struct nci_dev *ndev); + int (*fw_download)(struct nci_dev *ndev, const char *firmware_name)= ; __u32 (*get_rfprotocol)(struct nci_dev *ndev, __u8 rf_protocol); int (*discover_se)(struct nci_dev *ndev); int (*disable_se)(struct nci_dev *ndev, u32 se_idx); diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 9575a18..49ff321 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -907,6 +907,16 @@ static int nci_se_io(struct nfc_dev *nfc_dev, u32 = se_idx, return 0; } =20 +static int nci_fw_download(struct nfc_dev *nfc_dev, const char *firmwa= re_name) +{ + struct nci_dev *ndev =3D nfc_get_drvdata(nfc_dev); + + if (!ndev->ops->fw_download) + return -ENOTSUPP; + + return ndev->ops->fw_download(ndev, firmware_name); +} + static struct nfc_ops nci_nfc_ops =3D { .dev_up =3D nci_dev_up, .dev_down =3D nci_dev_down, @@ -922,6 +932,7 @@ static struct nfc_ops nci_nfc_ops =3D { .disable_se =3D nci_disable_se, .discover_se =3D nci_discover_se, .se_io =3D nci_se_io, + .fw_download =3D nci_fw_download, }; =20 /* ---- Interface to NCI drivers ---- */ --=20 Cl=C3=A9ment Perrochaud Eff'Innov Technologies Caen, Aix-En-Provence, Grenoble Eff'Innov Technologies Campus EffiScience 2, Esplanade Anton Philips 14460 Colombelles, FRANCE http://www.effinnov.com