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path: root/drivers/mmc/host/sdhci-spear.c
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Diffstat (limited to 'drivers/mmc/host/sdhci-spear.c')
-rw-r--r--drivers/mmc/host/sdhci-spear.c36
1 files changed, 13 insertions, 23 deletions
diff --git a/drivers/mmc/host/sdhci-spear.c b/drivers/mmc/host/sdhci-spear.c
index 916b5b09c3d1..72d21dc0cb69 100644
--- a/drivers/mmc/host/sdhci-spear.c
+++ b/drivers/mmc/host/sdhci-spear.c
@@ -43,7 +43,6 @@ static const struct sdhci_ops sdhci_pltfm_ops = {
static int sdhci_probe(struct platform_device *pdev)
{
struct sdhci_host *host;
- struct resource *iomem;
struct spear_sdhci *sdhci;
struct device *dev;
int ret;
@@ -56,20 +55,19 @@ static int sdhci_probe(struct platform_device *pdev)
goto err;
}
- iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- host->ioaddr = devm_ioremap_resource(&pdev->dev, iomem);
+ host->ioaddr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(host->ioaddr)) {
ret = PTR_ERR(host->ioaddr);
dev_dbg(&pdev->dev, "unable to map iomem: %d\n", ret);
- goto err_host;
+ goto err;
}
host->hw_name = "sdhci";
host->ops = &sdhci_pltfm_ops;
host->irq = platform_get_irq(pdev, 0);
- if (host->irq <= 0) {
- ret = -EINVAL;
- goto err_host;
+ if (host->irq < 0) {
+ ret = host->irq;
+ goto err;
}
host->quirks = SDHCI_QUIRK_BROKEN_ADMA;
@@ -80,13 +78,13 @@ static int sdhci_probe(struct platform_device *pdev)
if (IS_ERR(sdhci->clk)) {
ret = PTR_ERR(sdhci->clk);
dev_dbg(&pdev->dev, "Error getting clock\n");
- goto err_host;
+ goto err;
}
ret = clk_prepare_enable(sdhci->clk);
if (ret) {
dev_dbg(&pdev->dev, "Error enabling clock\n");
- goto err_host;
+ goto err;
}
ret = clk_set_rate(sdhci->clk, 50000000);
@@ -98,7 +96,7 @@ static int sdhci_probe(struct platform_device *pdev)
* It is optional to use GPIOs for sdhci card detection. If we
* find a descriptor using slot GPIO, we use it.
*/
- ret = mmc_gpiod_request_cd(host->mmc, "cd", 0, false, 0, NULL);
+ ret = mmc_gpiod_request_cd(host->mmc, "cd", 0, false, 0);
if (ret == -EPROBE_DEFER)
goto disable_clk;
@@ -112,14 +110,12 @@ static int sdhci_probe(struct platform_device *pdev)
disable_clk:
clk_disable_unprepare(sdhci->clk);
-err_host:
- sdhci_free_host(host);
err:
dev_err(&pdev->dev, "spear-sdhci probe failed: %d\n", ret);
return ret;
}
-static int sdhci_remove(struct platform_device *pdev)
+static void sdhci_remove(struct platform_device *pdev)
{
struct sdhci_host *host = platform_get_drvdata(pdev);
struct spear_sdhci *sdhci = sdhci_priv(host);
@@ -132,12 +128,8 @@ static int sdhci_remove(struct platform_device *pdev)
sdhci_remove_host(host, dead);
clk_disable_unprepare(sdhci->clk);
- sdhci_free_host(host);
-
- return 0;
}
-#ifdef CONFIG_PM_SLEEP
static int sdhci_suspend(struct device *dev)
{
struct sdhci_host *host = dev_get_drvdata(dev);
@@ -168,23 +160,21 @@ static int sdhci_resume(struct device *dev)
return sdhci_resume_host(host);
}
-#endif
-static SIMPLE_DEV_PM_OPS(sdhci_pm_ops, sdhci_suspend, sdhci_resume);
+static DEFINE_SIMPLE_DEV_PM_OPS(sdhci_pm_ops, sdhci_suspend, sdhci_resume);
-#ifdef CONFIG_OF
static const struct of_device_id sdhci_spear_id_table[] = {
{ .compatible = "st,spear300-sdhci" },
{}
};
MODULE_DEVICE_TABLE(of, sdhci_spear_id_table);
-#endif
static struct platform_driver sdhci_driver = {
.driver = {
.name = "sdhci",
- .pm = &sdhci_pm_ops,
- .of_match_table = of_match_ptr(sdhci_spear_id_table),
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ .pm = pm_sleep_ptr(&sdhci_pm_ops),
+ .of_match_table = sdhci_spear_id_table,
},
.probe = sdhci_probe,
.remove = sdhci_remove,