1 files changed, 23 insertions, 43 deletions

diff --git a/drivers/mmc/host/jz4740_mmc.c b/drivers/mmc/host/jz4740_mmc.c
index 1846a05210e3..6a0d0250d47b 100644
--- a/drivers/mmc/host/jz4740_mmc.c
+++ b/drivers/mmc/host/jz4740_mmc.c
@@ -18,9 +18,10 @@
 #include <linux/mmc/host.h>
 #include <linux/mmc/slot-gpio.h>
 #include <linux/module.h>
-#include <linux/of_device.h>
+#include <linux/of.h>
 #include <linux/pinctrl/consumer.h>
 #include <linux/platform_device.h>
+#include <linux/property.h>
 #include <linux/regulator/consumer.h>
 #include <linux/scatterlist.h>
 
@@ -640,7 +641,8 @@ poll_timeout:
 
 static void jz4740_mmc_timeout(struct timer_list *t)
 {
-	struct jz4740_mmc_host *host = from_timer(host, t, timeout_timer);
+	struct jz4740_mmc_host *host = timer_container_of(host, t,
+							  timeout_timer);
 
 	if (!test_and_clear_bit(0, &host->waiting))
 		return;
@@ -861,7 +863,7 @@ static irqreturn_t jz_mmc_irq(int irq, void *devid)
 
 	if (host->req && cmd && irq_reg) {
 		if (test_and_clear_bit(0, &host->waiting)) {
-			del_timer(&host->timeout_timer);
+			timer_delete(&host->timeout_timer);
 
 			if (status & JZ_MMC_STATUS_TIMEOUT_RES) {
 				cmd->error = -ETIMEDOUT;
@@ -1040,9 +1042,8 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
 	int ret;
 	struct mmc_host *mmc;
 	struct jz4740_mmc_host *host;
-	const struct of_device_id *match;
 
-	mmc = mmc_alloc_host(sizeof(struct jz4740_mmc_host), &pdev->dev);
+	mmc = devm_mmc_alloc_host(&pdev->dev, sizeof(*host));
 	if (!mmc) {
 		dev_err(&pdev->dev, "Failed to alloc mmc host structure\n");
 		return -ENOMEM;
@@ -1050,40 +1051,28 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
 
 	host = mmc_priv(mmc);
 
-	match = of_match_device(jz4740_mmc_of_match, &pdev->dev);
-	if (match) {
-		host->version = (enum jz4740_mmc_version)match->data;
-	} else {
-		/* JZ4740 should be the only one using legacy probe */
-		host->version = JZ_MMC_JZ4740;
-	}
+	/* Default if no match is JZ4740 */
+	host->version = (enum jz4740_mmc_version)device_get_match_data(&pdev->dev);
 
 	ret = mmc_of_parse(mmc);
-	if (ret) {
-		dev_err_probe(&pdev->dev, ret, "could not parse device properties\n");
-		goto err_free_host;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret,
+				     "could not parse device properties\n");
 
 	mmc_regulator_get_supply(mmc);
 
 	host->irq = platform_get_irq(pdev, 0);
-	if (host->irq < 0) {
-		ret = host->irq;
-		goto err_free_host;
-	}
+	if (host->irq < 0)
+		return host->irq;
 
 	host->clk = devm_clk_get(&pdev->dev, "mmc");
-	if (IS_ERR(host->clk)) {
-		ret = PTR_ERR(host->clk);
-		dev_err(&pdev->dev, "Failed to get mmc clock\n");
-		goto err_free_host;
-	}
+	if (IS_ERR(host->clk))
+		return dev_err_probe(&pdev->dev, PTR_ERR(host->clk),
+				     "Failed to get mmc clock\n");
 
 	host->base = devm_platform_get_and_ioremap_resource(pdev, 0, &host->mem_res);
-	if (IS_ERR(host->base)) {
-		ret = PTR_ERR(host->base);
-		goto err_free_host;
-	}
+	if (IS_ERR(host->base))
+		return PTR_ERR(host->base);
 
 	mmc->ops = &jz4740_mmc_ops;
 	if (!mmc->f_max)
@@ -1123,10 +1112,8 @@ static int jz4740_mmc_probe(struct platform_device* pdev)
 
 	ret = request_threaded_irq(host->irq, jz_mmc_irq, jz_mmc_irq_worker, 0,
 			dev_name(&pdev->dev), host);
-	if (ret) {
-		dev_err(&pdev->dev, "Failed to request irq: %d\n", ret);
-		goto err_free_host;
-	}
+	if (ret)
+		return dev_err_probe(&pdev->dev, ret, "Failed to request irq\n");
 
 	jz4740_mmc_clock_disable(host);
 	timer_setup(&host->timeout_timer, jz4740_mmc_timeout, 0);
@@ -1157,17 +1144,14 @@ err_release_dma:
 		jz4740_mmc_release_dma_channels(host);
 err_free_irq:
 	free_irq(host->irq, host);
-err_free_host:
-	mmc_free_host(mmc);
-
 	return ret;
 }
 
-static int jz4740_mmc_remove(struct platform_device *pdev)
+static void jz4740_mmc_remove(struct platform_device *pdev)
 {
 	struct jz4740_mmc_host *host = platform_get_drvdata(pdev);
 
-	del_timer_sync(&host->timeout_timer);
+	timer_delete_sync(&host->timeout_timer);
 	jz4740_mmc_set_irq_enabled(host, 0xff, false);
 	jz4740_mmc_reset(host);
 
@@ -1177,10 +1161,6 @@ static int jz4740_mmc_remove(struct platform_device *pdev)
 
 	if (host->use_dma)
 		jz4740_mmc_release_dma_channels(host);
-
-	mmc_free_host(host->mmc);
-
-	return 0;
 }
 
 static int jz4740_mmc_suspend(struct device *dev)
@@ -1202,7 +1182,7 @@ static struct platform_driver jz4740_mmc_driver = {
 	.driver = {
 		.name = "jz4740-mmc",
 		.probe_type = PROBE_PREFER_ASYNCHRONOUS,
-		.of_match_table = of_match_ptr(jz4740_mmc_of_match),
+		.of_match_table = jz4740_mmc_of_match,
 		.pm = pm_sleep_ptr(&jz4740_mmc_pm_ops),
 	},
 };