From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: [PATCH v3 3/8] net: can: c_can: Add RAMINIT register information to driver data Date: Tue, 4 Nov 2014 12:20:56 +0200 Message-ID: <1415096461-25576-4-git-send-email-rogerq@ti.com> References: <1415096461-25576-1-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain Cc: , , , , , , , , , , , , Roger Quadros To: , Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:46360 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752674AbaKDKV4 (ORCPT ); Tue, 4 Nov 2014 05:21:56 -0500 In-Reply-To: <1415096461-25576-1-git-send-email-rogerq@ti.com> Sender: netdev-owner@vger.kernel.org List-ID: Some platforms (e.g. TI) need special RAMINIT register handling. Provide a way to store RAMINIT register description in driver data. Signed-off-by: Roger Quadros --- drivers/net/can/c_can/c_can.h | 6 ++++++ drivers/net/can/c_can/c_can_platform.c | 2 ++ 2 files changed, 8 insertions(+) diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h index 26c975d..c3b2108 100644 --- a/drivers/net/can/c_can/c_can.h +++ b/drivers/net/can/c_can/c_can.h @@ -171,6 +171,11 @@ enum c_can_dev_id { struct c_can_driver_data { enum c_can_dev_id id; + + /* RAMINIT register description. Optional. */ + u8 raminit_start_bit; /* START bit position in RAMINIT reg. */ + u8 raminit_done_bit; /* DONE bit position in RAMINIT reg. */ + bool raminit_pulse; /* If set, sets and clears START bit (pulse) */ }; /* c_can private data structure */ @@ -196,6 +201,7 @@ struct c_can_priv { u32 comm_rcv_high; u32 rxmasked; u32 dlc[C_CAN_MSG_OBJ_TX_NUM]; + const struct c_can_driver_data *drvdata; }; struct net_device *alloc_c_can_dev(void); diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c index 1546c2b..11946e8 100644 --- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -250,6 +250,8 @@ static int c_can_plat_probe(struct platform_device *pdev) } priv = netdev_priv(dev); + priv->drvdata = drvdata; + switch (drvdata->id) { case BOSCH_C_CAN: priv->regs = reg_map_c_can; -- 1.8.3.2