From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-26.3 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_CR_TRAILER,INCLUDES_PATCH,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CCB39C433E0 for ; Wed, 10 Feb 2021 00:56:00 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8F4B364E4B for ; Wed, 10 Feb 2021 00:56:00 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234739AbhBJAzd (ORCPT ); Tue, 9 Feb 2021 19:55:33 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:56670 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233998AbhBIWMQ (ORCPT ); Tue, 9 Feb 2021 17:12:16 -0500 Received: from mail-qt1-x849.google.com (mail-qt1-x849.google.com [IPv6:2607:f8b0:4864:20::849]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 236D3C0617A9 for ; Tue, 9 Feb 2021 11:09:03 -0800 (PST) Received: by mail-qt1-x849.google.com with SMTP id d11so527813qth.3 for ; Tue, 09 Feb 2021 11:09:03 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:message-id:mime-version:subject:from:to:cc :content-transfer-encoding; bh=Vl6Cuy6DnAomg2TqGoBLXqYn1ZBb68kBWUzWYUutk2A=; b=aMzuAvYLLZM2CGaf53mKZle2qTjiGF8etSwM8SWJ2oT4tWPSr541bQHF2W8hpiHaKn jLNWRVfgRqdAbuI5REHMnTZEydVAxCiSflJeBApztVMtQaiBTkiXZMpz56FOWuzVpTJH 5W4+fCQPmlG508HS9rqUtfXsFRYrcbhnQbgqBNvSGoCuZeDNGjWYJSS28RNUulbuDIRq VhGjT1pJBW8Uvrf8iShWatQXegifGX7JV+8iOHsiQR8XQnBeJqSiokeFpk5O3+kTNtcF G+YEPoSjW30JNlBawC1GwZjsnQm2Vck4hDDpyUUstdWg6/cdpopGKJ+FhvUbw2SCDm5z EqIQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:message-id:mime-version:subject:from :to:cc:content-transfer-encoding; bh=Vl6Cuy6DnAomg2TqGoBLXqYn1ZBb68kBWUzWYUutk2A=; b=Iz87KDMeqPq7lioI3YNSHuPhTNus/CIJvh4CEKs5ZEtFIte/X8Hywnlj3ZBWG5QWGs N6M3K0yXWUP6qO5Szo/fqstUFdvJ7+rlnjvnZwZ2wJpD679yGO1yVsDkZVTQQO4ADccl 4DNeupFk3V1UOZl6WVusEXZvpNN/tENqQdiFFhVAOGezLMl9CGQX0vi1hANZPEuZ5qnX u8S1zuNPuDGc6pdeMNrqHSpxTttaa6Jn9kqkbMlgWZ7iu4iebeHRjfrLBfZYxUfCbmcf dZQ80pnstWEy7pvtFt1sjM4sQJyOGV0G+6JyX2ur9LVBeSyd3P+xO8Ag+9+qOT2sBgAP deog== X-Gm-Message-State: AOAM533Sd5AaSStxcmOD7DFtcS+Jq5lbDp14afkBhhlLLbxXaFbDwBW7 YissH8/zSNQia/ZNxWwPbaZI8mK9 X-Google-Smtp-Source: ABdhPJzG6uKv1c2jOvaKuMtogbmmt9W07yTtdNRF3+UPFSY8FzsV75cCmaAmbK1JvccM+CEe91gwaZif Sender: "rkir via sendgmr" X-Received: from rkir.kir.corp.google.com ([2620:15c:29:200:cd1e:d237:6efb:157a]) (user=rkir job=sendgmr) by 2002:a0c:c1cb:: with SMTP id v11mr18665689qvh.59.1612897742225; Tue, 09 Feb 2021 11:09:02 -0800 (PST) Date: Tue, 9 Feb 2021 11:08:50 -0800 Message-Id: <20210209190850.16647-1-rkir@google.com> Mime-Version: 1.0 X-Mailer: git-send-email 2.30.0.478.g8a0d178c01-goog Subject: [PATCH] drivers: mmc: host: Retire MMC_GOLDFISH From: rkir@google.com To: ulf.hansson@linaro.org Cc: linux-kernel@vger.kernel.org, linux-mmc@vger.kernel.org, lfy@google.com, Roman Kiryanov Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Roman Kiryanov Android Studio Emulator no longer uses this driver. Signed-off-by: Roman Kiryanov --- drivers/mmc/host/Kconfig | 7 - drivers/mmc/host/Makefile | 1 - drivers/mmc/host/android-goldfish.c | 545 ---------------------------- 3 files changed, 553 deletions(-) delete mode 100644 drivers/mmc/host/android-goldfish.c diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index 596f32637315..ad4678c9bac1 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -608,13 +608,6 @@ config MMC_DAVINCI If you have an DAVINCI board with a Multimedia Card slot, say Y or M here. If unsure, say N. =20 -config MMC_GOLDFISH - tristate "goldfish qemu Multimedia Card Interface support" - depends on GOLDFISH || COMPILE_TEST - help - This selects the Goldfish Multimedia card Interface emulation - found on the Goldfish Android virtual device emulation. - config MMC_SPI tristate "MMC/SD/SDIO over SPI" depends on SPI_MASTER diff --git a/drivers/mmc/host/Makefile b/drivers/mmc/host/Makefile index 451c25fc2c69..7f97e97f7066 100644 --- a/drivers/mmc/host/Makefile +++ b/drivers/mmc/host/Makefile @@ -34,7 +34,6 @@ obj-$(CONFIG_MMC_ATMELMCI) +=3D atmel-mci.o obj-$(CONFIG_MMC_TIFM_SD) +=3D tifm_sd.o obj-$(CONFIG_MMC_MVSDIO) +=3D mvsdio.o obj-$(CONFIG_MMC_DAVINCI) +=3D davinci_mmc.o -obj-$(CONFIG_MMC_GOLDFISH) +=3D android-goldfish.o obj-$(CONFIG_MMC_SPI) +=3D mmc_spi.o ifeq ($(CONFIG_OF),y) obj-$(CONFIG_MMC_SPI) +=3D of_mmc_spi.o diff --git a/drivers/mmc/host/android-goldfish.c b/drivers/mmc/host/android= -goldfish.c deleted file mode 100644 index e878fdf8f20a..000000000000 --- a/drivers/mmc/host/android-goldfish.c +++ /dev/null @@ -1,545 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright 2007, Google Inc. - * Copyright 2012, Intel Inc. - * - * based on omap.c driver, which was - * Copyright (C) 2004 Nokia Corporation - * Written by Tuukka Tikkanen and Juha Yrj=C3=B6l=C3=A4 - * Misc hacks here and there by Tony Lindgren - * Other hacks (DMA, SD, etc) by David Brownell - */ - -#include -#include -#include - -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#include -#include - -#define DRIVER_NAME "goldfish_mmc" - -#define BUFFER_SIZE 16384 - -#define GOLDFISH_MMC_READ(host, addr) (readl(host->reg_base + addr)) -#define GOLDFISH_MMC_WRITE(host, addr, x) (writel(x, host->reg_base + ad= dr)) - -enum { - /* status register */ - MMC_INT_STATUS =3D 0x00, - /* set this to enable IRQ */ - MMC_INT_ENABLE =3D 0x04, - /* set this to specify buffer address */ - MMC_SET_BUFFER =3D 0x08, - - /* MMC command number */ - MMC_CMD =3D 0x0C, - - /* MMC argument */ - MMC_ARG =3D 0x10, - - /* MMC response (or R2 bits 0 - 31) */ - MMC_RESP_0 =3D 0x14, - - /* MMC R2 response bits 32 - 63 */ - MMC_RESP_1 =3D 0x18, - - /* MMC R2 response bits 64 - 95 */ - MMC_RESP_2 =3D 0x1C, - - /* MMC R2 response bits 96 - 127 */ - MMC_RESP_3 =3D 0x20, - - MMC_BLOCK_LENGTH =3D 0x24, - MMC_BLOCK_COUNT =3D 0x28, - - /* MMC state flags */ - MMC_STATE =3D 0x2C, - - /* MMC_INT_STATUS bits */ - - MMC_STAT_END_OF_CMD =3D 1U << 0, - MMC_STAT_END_OF_DATA =3D 1U << 1, - MMC_STAT_STATE_CHANGE =3D 1U << 2, - MMC_STAT_CMD_TIMEOUT =3D 1U << 3, - - /* MMC_STATE bits */ - MMC_STATE_INSERTED =3D 1U << 0, - MMC_STATE_READ_ONLY =3D 1U << 1, -}; - -/* - * Command types - */ -#define OMAP_MMC_CMDTYPE_BC 0 -#define OMAP_MMC_CMDTYPE_BCR 1 -#define OMAP_MMC_CMDTYPE_AC 2 -#define OMAP_MMC_CMDTYPE_ADTC 3 - - -struct goldfish_mmc_host { - struct mmc_request *mrq; - struct mmc_command *cmd; - struct mmc_data *data; - struct device *dev; - unsigned char id; /* 16xx chips have 2 MMC blocks */ - void *virt_base; - unsigned int phys_base; - int irq; - unsigned char bus_mode; - unsigned char hw_bus_mode; - - unsigned int sg_len; - unsigned dma_done:1; - unsigned dma_in_use:1; - - void __iomem *reg_base; -}; - -static inline int -goldfish_mmc_cover_is_open(struct goldfish_mmc_host *host) -{ - return 0; -} - -static ssize_t -goldfish_mmc_show_cover_switch(struct device *dev, - struct device_attribute *attr, char *buf) -{ - struct goldfish_mmc_host *host =3D dev_get_drvdata(dev); - - return sprintf(buf, "%s\n", goldfish_mmc_cover_is_open(host) ? "open" : - "closed"); -} - -static DEVICE_ATTR(cover_switch, S_IRUGO, goldfish_mmc_show_cover_switch, = NULL); - -static void -goldfish_mmc_start_command(struct goldfish_mmc_host *host, struct mmc_comm= and *cmd) -{ - u32 cmdreg; - u32 resptype; - u32 cmdtype; - - host->cmd =3D cmd; - - resptype =3D 0; - cmdtype =3D 0; - - /* Our hardware needs to know exact type */ - switch (mmc_resp_type(cmd)) { - case MMC_RSP_NONE: - break; - case MMC_RSP_R1: - case MMC_RSP_R1B: - /* resp 1, 1b, 6, 7 */ - resptype =3D 1; - break; - case MMC_RSP_R2: - resptype =3D 2; - break; - case MMC_RSP_R3: - resptype =3D 3; - break; - default: - dev_err(mmc_dev(mmc_from_priv(host)), - "Invalid response type: %04x\n", mmc_resp_type(cmd)); - break; - } - - if (mmc_cmd_type(cmd) =3D=3D MMC_CMD_ADTC) - cmdtype =3D OMAP_MMC_CMDTYPE_ADTC; - else if (mmc_cmd_type(cmd) =3D=3D MMC_CMD_BC) - cmdtype =3D OMAP_MMC_CMDTYPE_BC; - else if (mmc_cmd_type(cmd) =3D=3D MMC_CMD_BCR) - cmdtype =3D OMAP_MMC_CMDTYPE_BCR; - else - cmdtype =3D OMAP_MMC_CMDTYPE_AC; - - cmdreg =3D cmd->opcode | (resptype << 8) | (cmdtype << 12); - - if (host->bus_mode =3D=3D MMC_BUSMODE_OPENDRAIN) - cmdreg |=3D 1 << 6; - - if (cmd->flags & MMC_RSP_BUSY) - cmdreg |=3D 1 << 11; - - if (host->data && !(host->data->flags & MMC_DATA_WRITE)) - cmdreg |=3D 1 << 15; - - GOLDFISH_MMC_WRITE(host, MMC_ARG, cmd->arg); - GOLDFISH_MMC_WRITE(host, MMC_CMD, cmdreg); -} - -static void goldfish_mmc_xfer_done(struct goldfish_mmc_host *host, - struct mmc_data *data) -{ - if (host->dma_in_use) { - enum dma_data_direction dma_data_dir; - - dma_data_dir =3D mmc_get_dma_dir(data); - - if (dma_data_dir =3D=3D DMA_FROM_DEVICE) { - /* - * We don't really have DMA, so we need - * to copy from our platform driver buffer - */ - sg_copy_from_buffer(data->sg, 1, host->virt_base, - data->sg->length); - } - host->data->bytes_xfered +=3D data->sg->length; - dma_unmap_sg(mmc_dev(mmc_from_priv(host)), data->sg, - host->sg_len, dma_data_dir); - } - - host->data =3D NULL; - host->sg_len =3D 0; - - /* - * NOTE: MMC layer will sometimes poll-wait CMD13 next, issuing - * dozens of requests until the card finishes writing data. - * It'd be cheaper to just wait till an EOFB interrupt arrives... - */ - - if (!data->stop) { - host->mrq =3D NULL; - mmc_request_done(mmc_from_priv(host), data->mrq); - return; - } - - goldfish_mmc_start_command(host, data->stop); -} - -static void goldfish_mmc_end_of_data(struct goldfish_mmc_host *host, - struct mmc_data *data) -{ - if (!host->dma_in_use) { - goldfish_mmc_xfer_done(host, data); - return; - } - if (host->dma_done) - goldfish_mmc_xfer_done(host, data); -} - -static void goldfish_mmc_cmd_done(struct goldfish_mmc_host *host, - struct mmc_command *cmd) -{ - host->cmd =3D NULL; - if (cmd->flags & MMC_RSP_PRESENT) { - if (cmd->flags & MMC_RSP_136) { - /* response type 2 */ - cmd->resp[3] =3D - GOLDFISH_MMC_READ(host, MMC_RESP_0); - cmd->resp[2] =3D - GOLDFISH_MMC_READ(host, MMC_RESP_1); - cmd->resp[1] =3D - GOLDFISH_MMC_READ(host, MMC_RESP_2); - cmd->resp[0] =3D - GOLDFISH_MMC_READ(host, MMC_RESP_3); - } else { - /* response types 1, 1b, 3, 4, 5, 6 */ - cmd->resp[0] =3D - GOLDFISH_MMC_READ(host, MMC_RESP_0); - } - } - - if (host->data =3D=3D NULL || cmd->error) { - host->mrq =3D NULL; - mmc_request_done(mmc_from_priv(host), cmd->mrq); - } -} - -static irqreturn_t goldfish_mmc_irq(int irq, void *dev_id) -{ - struct goldfish_mmc_host *host =3D (struct goldfish_mmc_host *)dev_id; - u16 status; - int end_command =3D 0; - int end_transfer =3D 0; - int state_changed =3D 0; - int cmd_timeout =3D 0; - - while ((status =3D GOLDFISH_MMC_READ(host, MMC_INT_STATUS)) !=3D 0) { - GOLDFISH_MMC_WRITE(host, MMC_INT_STATUS, status); - - if (status & MMC_STAT_END_OF_CMD) - end_command =3D 1; - - if (status & MMC_STAT_END_OF_DATA) - end_transfer =3D 1; - - if (status & MMC_STAT_STATE_CHANGE) - state_changed =3D 1; - - if (status & MMC_STAT_CMD_TIMEOUT) { - end_command =3D 0; - cmd_timeout =3D 1; - } - } - - if (cmd_timeout) { - struct mmc_request *mrq =3D host->mrq; - mrq->cmd->error =3D -ETIMEDOUT; - host->mrq =3D NULL; - mmc_request_done(mmc_from_priv(host), mrq); - } - - if (end_command) - goldfish_mmc_cmd_done(host, host->cmd); - - if (end_transfer) { - host->dma_done =3D 1; - goldfish_mmc_end_of_data(host, host->data); - } else if (host->data !=3D NULL) { - /* - * WORKAROUND -- after porting this driver from 2.6 to 3.4, - * during device initialization, cases where host->data is - * non-null but end_transfer is false would occur. Doing - * nothing in such cases results in no further interrupts, - * and initialization failure. - * TODO -- find the real cause. - */ - host->dma_done =3D 1; - goldfish_mmc_end_of_data(host, host->data); - } - - if (state_changed) { - u32 state =3D GOLDFISH_MMC_READ(host, MMC_STATE); - pr_info("%s: Card detect now %d\n", __func__, - (state & MMC_STATE_INSERTED)); - mmc_detect_change(mmc_from_priv(host), 0); - } - - if (!end_command && !end_transfer && !state_changed && !cmd_timeout) { - status =3D GOLDFISH_MMC_READ(host, MMC_INT_STATUS); - dev_info(mmc_dev(mmc_from_priv(host)), "spurious irq 0x%04x\n", - status); - if (status !=3D 0) { - GOLDFISH_MMC_WRITE(host, MMC_INT_STATUS, status); - GOLDFISH_MMC_WRITE(host, MMC_INT_ENABLE, 0); - } - } - - return IRQ_HANDLED; -} - -static void goldfish_mmc_prepare_data(struct goldfish_mmc_host *host, - struct mmc_request *req) -{ - struct mmc_data *data =3D req->data; - int block_size; - unsigned sg_len; - enum dma_data_direction dma_data_dir; - - host->data =3D data; - if (data =3D=3D NULL) { - GOLDFISH_MMC_WRITE(host, MMC_BLOCK_LENGTH, 0); - GOLDFISH_MMC_WRITE(host, MMC_BLOCK_COUNT, 0); - host->dma_in_use =3D 0; - return; - } - - block_size =3D data->blksz; - - GOLDFISH_MMC_WRITE(host, MMC_BLOCK_COUNT, data->blocks - 1); - GOLDFISH_MMC_WRITE(host, MMC_BLOCK_LENGTH, block_size - 1); - - /* - * Cope with calling layer confusion; it issues "single - * block" writes using multi-block scatterlists. - */ - sg_len =3D (data->blocks =3D=3D 1) ? 1 : data->sg_len; - - dma_data_dir =3D mmc_get_dma_dir(data); - - host->sg_len =3D dma_map_sg(mmc_dev(mmc_from_priv(host)), data->sg, - sg_len, dma_data_dir); - host->dma_done =3D 0; - host->dma_in_use =3D 1; - - if (dma_data_dir =3D=3D DMA_TO_DEVICE) { - /* - * We don't really have DMA, so we need to copy to our - * platform driver buffer - */ - sg_copy_to_buffer(data->sg, 1, host->virt_base, - data->sg->length); - } -} - -static void goldfish_mmc_request(struct mmc_host *mmc, struct mmc_request = *req) -{ - struct goldfish_mmc_host *host =3D mmc_priv(mmc); - - WARN_ON(host->mrq !=3D NULL); - - host->mrq =3D req; - goldfish_mmc_prepare_data(host, req); - goldfish_mmc_start_command(host, req->cmd); -} - -static void goldfish_mmc_set_ios(struct mmc_host *mmc, struct mmc_ios *ios= ) -{ - struct goldfish_mmc_host *host =3D mmc_priv(mmc); - - host->bus_mode =3D ios->bus_mode; - host->hw_bus_mode =3D host->bus_mode; -} - -static int goldfish_mmc_get_ro(struct mmc_host *mmc) -{ - uint32_t state; - struct goldfish_mmc_host *host =3D mmc_priv(mmc); - - state =3D GOLDFISH_MMC_READ(host, MMC_STATE); - return ((state & MMC_STATE_READ_ONLY) !=3D 0); -} - -static const struct mmc_host_ops goldfish_mmc_ops =3D { - .request =3D goldfish_mmc_request, - .set_ios =3D goldfish_mmc_set_ios, - .get_ro =3D goldfish_mmc_get_ro, -}; - -static int goldfish_mmc_probe(struct platform_device *pdev) -{ - struct mmc_host *mmc; - struct goldfish_mmc_host *host =3D NULL; - struct resource *res; - int ret =3D 0; - int irq; - dma_addr_t buf_addr; - - res =3D platform_get_resource(pdev, IORESOURCE_MEM, 0); - irq =3D platform_get_irq(pdev, 0); - if (res =3D=3D NULL || irq < 0) - return -ENXIO; - - mmc =3D mmc_alloc_host(sizeof(struct goldfish_mmc_host), &pdev->dev); - if (mmc =3D=3D NULL) { - ret =3D -ENOMEM; - goto err_alloc_host_failed; - } - - host =3D mmc_priv(mmc); - - pr_err("mmc: Mapping %lX to %lX\n", (long)res->start, (long)res->end); - host->reg_base =3D ioremap(res->start, resource_size(res)); - if (host->reg_base =3D=3D NULL) { - ret =3D -ENOMEM; - goto ioremap_failed; - } - host->virt_base =3D dma_alloc_coherent(&pdev->dev, BUFFER_SIZE, - &buf_addr, GFP_KERNEL); - - if (host->virt_base =3D=3D 0) { - ret =3D -ENOMEM; - goto dma_alloc_failed; - } - host->phys_base =3D buf_addr; - - host->id =3D pdev->id; - host->irq =3D irq; - - mmc->ops =3D &goldfish_mmc_ops; - mmc->f_min =3D 400000; - mmc->f_max =3D 24000000; - mmc->ocr_avail =3D MMC_VDD_32_33 | MMC_VDD_33_34; - mmc->caps =3D MMC_CAP_4_BIT_DATA; - mmc->caps2 =3D MMC_CAP2_NO_SDIO; - - /* Use scatterlist DMA to reduce per-transfer costs. - * NOTE max_seg_size assumption that small blocks aren't - * normally used (except e.g. for reading SD registers). - */ - mmc->max_segs =3D 32; - mmc->max_blk_size =3D 2048; /* MMC_BLOCK_LENGTH is 11 bits (+1) */ - mmc->max_blk_count =3D 2048; /* MMC_BLOCK_COUNT is 11 bits (+1) */ - mmc->max_req_size =3D BUFFER_SIZE; - mmc->max_seg_size =3D mmc->max_req_size; - - ret =3D request_irq(host->irq, goldfish_mmc_irq, 0, DRIVER_NAME, host); - if (ret) { - dev_err(&pdev->dev, "Failed IRQ Adding goldfish MMC\n"); - goto err_request_irq_failed; - } - - host->dev =3D &pdev->dev; - platform_set_drvdata(pdev, host); - - ret =3D device_create_file(&pdev->dev, &dev_attr_cover_switch); - if (ret) - dev_warn(mmc_dev(mmc), "Unable to create sysfs attributes\n"); - - GOLDFISH_MMC_WRITE(host, MMC_SET_BUFFER, host->phys_base); - GOLDFISH_MMC_WRITE(host, MMC_INT_ENABLE, - MMC_STAT_END_OF_CMD | MMC_STAT_END_OF_DATA | - MMC_STAT_STATE_CHANGE | MMC_STAT_CMD_TIMEOUT); - - mmc_add_host(mmc); - return 0; - -err_request_irq_failed: - dma_free_coherent(&pdev->dev, BUFFER_SIZE, host->virt_base, - host->phys_base); -dma_alloc_failed: - iounmap(host->reg_base); -ioremap_failed: - mmc_free_host(mmc); -err_alloc_host_failed: - return ret; -} - -static int goldfish_mmc_remove(struct platform_device *pdev) -{ - struct goldfish_mmc_host *host =3D platform_get_drvdata(pdev); - struct mmc_host *mmc =3D mmc_from_priv(host); - - BUG_ON(host =3D=3D NULL); - - mmc_remove_host(mmc); - free_irq(host->irq, host); - dma_free_coherent(&pdev->dev, BUFFER_SIZE, host->virt_base, host->phys_ba= se); - iounmap(host->reg_base); - mmc_free_host(mmc); - return 0; -} - -static struct platform_driver goldfish_mmc_driver =3D { - .probe =3D goldfish_mmc_probe, - .remove =3D goldfish_mmc_remove, - .driver =3D { - .name =3D DRIVER_NAME, - .probe_type =3D PROBE_PREFER_ASYNCHRONOUS, - }, -}; - -module_platform_driver(goldfish_mmc_driver); -MODULE_LICENSE("GPL v2"); --=20 2.30.0.478.g8a0d178c01-goog