Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755973AbdIGVKJ convert rfc822-to-8bit (ORCPT ); Thu, 7 Sep 2017 17:10:09 -0400 Received: from esa3.microchip.iphmx.com ([68.232.153.233]:34566 "EHLO esa3.microchip.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932464AbdIGVKF (ORCPT ); Thu, 7 Sep 2017 17:10:05 -0400 X-IronPort-AV: E=Sophos;i="5.42,360,1500966000"; d="scan'208";a="6868501" From: To: , , , , , , , , Subject: [PATCH RFC 5/6] Switch SPI driver calls its own driver switch register function Thread-Topic: [PATCH RFC 5/6] Switch SPI driver calls its own driver switch register function Thread-Index: AdMoGhYaz2MQYslgR0WUnorLkjj5oQAAs/BQ Date: Thu, 7 Sep 2017 21:09:22 +0000 Message-ID: <93AF473E2DA327428DE3D46B72B1E9FD41121A1B@CHN-SV-EXMX02.mchp-main.com> References: <93AF473E2DA327428DE3D46B72B1E9FD411218F4@CHN-SV-EXMX02.mchp-main.com> In-Reply-To: <93AF473E2DA327428DE3D46B72B1E9FD411218F4@CHN-SV-EXMX02.mchp-main.com> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.10.76.4] Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1392 Lines: 51 From: Tristram Ha SPI driver calls own specific switch register function. Shutdown callback function is added to reset switch to default state. Signed-off-by: Tristram Ha --- diff --git a/drivers/net/dsa/microchip/ksz_spi.c b/drivers/net/dsa/microchip/ksz_spi.c index c519469..d03eb83 100644 --- a/drivers/net/dsa/microchip/ksz_spi.c +++ b/drivers/net/dsa/microchip/ksz_spi.c @@ -25,6 +25,8 @@ #include "ksz_priv.h" +int ksz9477_switch_register(struct ksz_device *dev); + /* SPI frame opcodes */ #define KS_SPIOP_RD 3 #define KS_SPIOP_WR 2 @@ -174,7 +176,7 @@ static int ksz_spi_probe(struct spi_device *spi) if (spi->dev.platform_data) dev->pdata = spi->dev.platform_data; - ret = ksz_switch_register(dev); + ret = ksz9477_switch_register(dev); if (ret) return ret; @@ -193,6 +195,14 @@ static int ksz_spi_remove(struct spi_device *spi) return 0; } +static void ksz_spi_shutdown(struct spi_device *spi) { + struct ksz_device *dev = spi_get_drvdata(spi); + + if (dev) + dev->dev_ops->reset(dev); +} + static const struct of_device_id ksz_dt_ids[] = { { .compatible = "microchip,ksz9477" }, {}, @@ -207,6 +217,7 @@ static int ksz_spi_remove(struct spi_device *spi) }, .probe = ksz_spi_probe, .remove = ksz_spi_remove, + .shutdown = ksz_spi_shutdown, }; module_spi_driver(ksz_spi_driver);