From mboxrd@z Thu Jan 1 00:00:00 1970 From: Roger Quadros Subject: [PATCH v4 3/8] net: can: c_can: Add RAMINIT register information to driver data Date: Fri, 7 Nov 2014 16:49:17 +0200 Message-ID: <1415371762-29885-4-git-send-email-rogerq@ti.com> References: <1415371762-29885-1-git-send-email-rogerq@ti.com> Mime-Version: 1.0 Content-Type: text/plain Return-path: Received: from devils.ext.ti.com ([198.47.26.153]:48041 "EHLO devils.ext.ti.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752925AbaKGOuI (ORCPT ); Fri, 7 Nov 2014 09:50:08 -0500 In-Reply-To: <1415371762-29885-1-git-send-email-rogerq@ti.com> Sender: linux-omap-owner@vger.kernel.org List-Id: linux-omap@vger.kernel.org To: wg@grandegger.com, mkl@pengutronix.de Cc: wsa@the-dreams.de, tony@atomide.com, tglx@linutronix.de, mugunthanvnm@ti.com, george.cherian@ti.com, balbi@ti.com, nsekhar@ti.comnm@ti.com, sergei.shtylyov@cogentembedded.com, linux-omap@vger.kernel.org, linux-can@vger.kernel.org, netdev@vger.kernel.org, Roger Quadros 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 | 1 + 2 files changed, 7 insertions(+) diff --git a/drivers/net/can/c_can/c_can.h b/drivers/net/can/c_can/c_can.h index 26c975d..3c305a1 100644 --- a/drivers/net/can/c_can/c_can.h +++ b/drivers/net/can/c_can/c_can.h @@ -171,6 +171,12 @@ enum c_can_dev_id { struct c_can_driver_data { enum c_can_dev_id id; + + /* RAMINIT register description. Optional. */ + u8 num_can; /* Number of CAN instances on the SoC */ + u8 *raminit_start_bits; /* Array of START bit positions */ + u8 *raminit_done_bits; /* Array of DONE bit positions */ + bool raminit_pulse; /* If set, sets and clears START bit (pulse) */ }; /* c_can private data structure */ diff --git a/drivers/net/can/c_can/c_can_platform.c b/drivers/net/can/c_can/c_can_platform.c index 1546c2b..20deb67 100644 --- a/drivers/net/can/c_can/c_can_platform.c +++ b/drivers/net/can/c_can/c_can_platform.c @@ -250,6 +250,7 @@ static int c_can_plat_probe(struct platform_device *pdev) } priv = netdev_priv(dev); + switch (drvdata->id) { case BOSCH_C_CAN: priv->regs = reg_map_c_can; -- 1.8.3.2