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path: root/drivers/mmc/host/mvsdio.c
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Diffstat (limited to 'drivers/mmc/host/mvsdio.c')
-rw-r--r--drivers/mmc/host/mvsdio.c62
1 files changed, 24 insertions, 38 deletions
diff --git a/drivers/mmc/host/mvsdio.c b/drivers/mmc/host/mvsdio.c
index 58d74b8d6c79..79df2fa89a3f 100644
--- a/drivers/mmc/host/mvsdio.c
+++ b/drivers/mmc/host/mvsdio.c
@@ -1,12 +1,9 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* Marvell MMC/SD/SDIO driver
*
* Authors: Maen Suleiman, Nicolas Pitre
* Copyright (C) 2008-2009 Marvell Ltd.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
*/
#include <linux/module.h>
@@ -24,8 +21,8 @@
#include <linux/mmc/host.h>
#include <linux/mmc/slot-gpio.h>
-#include <asm/sizes.h>
-#include <asm/unaligned.h>
+#include <linux/sizes.h>
+#include <linux/unaligned.h>
#include "mvsdio.h"
@@ -143,6 +140,7 @@ static void mvsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
struct mmc_command *cmd = mrq->cmd;
u32 cmdreg = 0, xfer = 0, intr = 0;
unsigned long flags;
+ unsigned int timeout;
BUG_ON(host->mrq != NULL);
host->mrq = mrq;
@@ -234,7 +232,8 @@ static void mvsd_request(struct mmc_host *mmc, struct mmc_request *mrq)
mvsd_write(MVSD_NOR_INTR_EN, host->intr_en);
mvsd_write(MVSD_ERR_INTR_EN, 0xffff);
- mod_timer(&host->timer, jiffies + 5 * HZ);
+ timeout = cmd->busy_timeout ? cmd->busy_timeout : 5000;
+ mod_timer(&host->timer, jiffies + msecs_to_jiffies(timeout));
spin_unlock_irqrestore(&host->lock, flags);
}
@@ -293,7 +292,7 @@ static u32 mvsd_finish_data(struct mvsd_host *host, struct mmc_data *data,
host->pio_ptr = NULL;
host->pio_size = 0;
} else {
- dma_unmap_sg(mmc_dev(host->mmc), data->sg, host->sg_frags,
+ dma_unmap_sg(mmc_dev(host->mmc), data->sg, data->sg_len,
mmc_get_dma_dir(data));
}
@@ -465,7 +464,7 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
struct mmc_command *cmd = mrq->cmd;
u32 err_status = 0;
- del_timer(&host->timer);
+ timer_delete(&host->timer);
host->mrq = NULL;
host->intr_en &= MVSD_NOR_CARD_INT;
@@ -508,9 +507,9 @@ static irqreturn_t mvsd_irq(int irq, void *dev)
return IRQ_NONE;
}
-static void mvsd_timeout_timer(unsigned long data)
+static void mvsd_timeout_timer(struct timer_list *t)
{
- struct mvsd_host *host = (struct mvsd_host *)data;
+ struct mvsd_host *host = timer_container_of(host, t, timer);
void __iomem *iobase = host->base;
struct mmc_request *mrq;
unsigned long flags;
@@ -697,23 +696,19 @@ static int mvsd_probe(struct platform_device *pdev)
struct mmc_host *mmc = NULL;
struct mvsd_host *host = NULL;
const struct mbus_dram_target_info *dram;
- struct resource *r;
int ret, irq;
if (!np) {
dev_err(&pdev->dev, "no DT node\n");
return -ENODEV;
}
- r = platform_get_resource(pdev, IORESOURCE_MEM, 0);
irq = platform_get_irq(pdev, 0);
- if (!r || irq < 0)
- return -ENXIO;
+ if (irq < 0)
+ return irq;
- mmc = mmc_alloc_host(sizeof(struct mvsd_host), &pdev->dev);
- if (!mmc) {
- ret = -ENOMEM;
- goto out;
- }
+ mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(*host));
+ if (!mmc)
+ return -ENOMEM;
host = mmc_priv(mmc);
host->mmc = mmc;
@@ -727,11 +722,9 @@ static int mvsd_probe(struct platform_device *pdev)
* fixed rate clock).
*/
host->clk = devm_clk_get(&pdev->dev, NULL);
- if (IS_ERR(host->clk)) {
- dev_err(&pdev->dev, "no clock associated\n");
- ret = -EINVAL;
- goto out;
- }
+ if (IS_ERR(host->clk))
+ return dev_err_probe(&pdev->dev, -EINVAL, "no clock associated\n");
+
clk_prepare_enable(host->clk);
mmc->ops = &mvsd_ops;
@@ -757,7 +750,7 @@ static int mvsd_probe(struct platform_device *pdev)
spin_lock_init(&host->lock);
- host->base = devm_ioremap_resource(&pdev->dev, r);
+ host->base = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(host->base)) {
ret = PTR_ERR(host->base);
goto out;
@@ -776,7 +769,7 @@ static int mvsd_probe(struct platform_device *pdev)
goto out;
}
- setup_timer(&host->timer, mvsd_timeout_timer, (unsigned long)host);
+ timer_setup(&host->timer, mvsd_timeout_timer, 0);
platform_set_drvdata(pdev, mmc);
ret = mmc_add_host(mmc);
if (ret)
@@ -790,30 +783,22 @@ static int mvsd_probe(struct platform_device *pdev)
return 0;
out:
- if (mmc) {
- if (!IS_ERR(host->clk))
- clk_disable_unprepare(host->clk);
- mmc_free_host(mmc);
- }
-
+ clk_disable_unprepare(host->clk);
return ret;
}
-static int mvsd_remove(struct platform_device *pdev)
+static void mvsd_remove(struct platform_device *pdev)
{
struct mmc_host *mmc = platform_get_drvdata(pdev);
struct mvsd_host *host = mmc_priv(mmc);
mmc_remove_host(mmc);
- del_timer_sync(&host->timer);
+ timer_delete_sync(&host->timer);
mvsd_power_down(host);
if (!IS_ERR(host->clk))
clk_disable_unprepare(host->clk);
- mmc_free_host(mmc);
-
- return 0;
}
static const struct of_device_id mvsdio_dt_ids[] = {
@@ -827,6 +812,7 @@ static struct platform_driver mvsd_driver = {
.remove = mvsd_remove,
.driver = {
.name = DRIVER_NAME,
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
.of_match_table = mvsdio_dt_ids,
},
};