From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751418AbdGOB1R (ORCPT ); Fri, 14 Jul 2017 21:27:17 -0400 Received: from fldsmtpe03.verizon.com ([140.108.26.142]:43530 "EHLO fldsmtpe03.verizon.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751336AbdGOB1I (ORCPT ); Fri, 14 Jul 2017 21:27:08 -0400 X-IronPort-Anti-Spam-Filtered: false From: "Levin, Alexander (Sasha Levin)" Cc: Phil Reid , Mark Brown , "Levin, Alexander (Sasha Levin)" X-Host: challenger.odc.vzwcorp.com To: "linux-kernel@vger.kernel.org" , "stable@vger.kernel.org" Subject: [PATCH for v4.9 LTS 19/87] spi: dw: Make debugfs name unique between instances Thread-Topic: [PATCH for v4.9 LTS 19/87] spi: dw: Make debugfs name unique between instances Thread-Index: AQHS/QlSV4XMVW5hHEi/q5UGlrr14Q== Date: Sat, 15 Jul 2017 01:26:03 +0000 Message-ID: <20170715012538.10101-19-alexander.levin@verizon.com> References: <20170715012538.10101-1-alexander.levin@verizon.com> In-Reply-To: <20170715012538.10101-1-alexander.levin@verizon.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-messagesentrepresentingtype: 1 x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.144.60.250] Content-Type: text/plain; charset="iso-8859-1" MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Transfer-Encoding: 8bit X-MIME-Autoconverted: from quoted-printable to 8bit by nfs id v6F1d0vc023232 From: Phil Reid [ Upstream commit 13288bdf4adbaa6bd1267f10044c1bc25d90ce7f ] Some system have multiple dw devices. Currently the driver uses a fixed name for the debugfs dir. Append dev name to the debugfs dir name to make it unique. Signed-off-by: Phil Reid Signed-off-by: Mark Brown Signed-off-by: Sasha Levin --- drivers/spi/spi-dw.c | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c index 27960e46135d..c4226c07e091 100644 --- a/drivers/spi/spi-dw.c +++ b/drivers/spi/spi-dw.c @@ -107,7 +107,10 @@ static const struct file_operations dw_spi_regs_ops = { static int dw_spi_debugfs_init(struct dw_spi *dws) { - dws->debugfs = debugfs_create_dir("dw_spi", NULL); + char name[128]; + + snprintf(name, 128, "dw_spi-%s", dev_name(&dws->master->dev)); + dws->debugfs = debugfs_create_dir(name, NULL); if (!dws->debugfs) return -ENOMEM; -- 2.11.0