From 32261f9b728277f88a0affa022df64e6238c24a6 Mon Sep 17 00:00:00 2001
From: Adrian Hunter <adrian.hunter@intel.com>
Date: Fri, 11 Aug 2023 16:03:36 +0300
Subject: [PATCH] mmc: sdhci-pltfm: Add sdhci_pltfm_remove()
Add sdhci_pltfm_remove() to replace sdhci_pltfm_unregister().
The difference is that sdhci_pltfm_remove() does not do:
clk_disable_unprepare(pltfm_host->clk);
which allows drivers to choose to use devm_clk_get_enabled() or
similar, for pltfm_host->clk.
Once all drivers using sdhci_pltfm_unregister() have been amended to use
sdhci_pltfm_remove() instead, sdhci_pltfm_unregister() will be removed.
Signed-off-by: Adrian Hunter <adrian.hunter@intel.com>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Link: https://lore.kernel.org/r/20230811130351.7038-2-adrian.hunter@intel.com
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
---
drivers/mmc/host/sdhci-pltfm.c | 10 ++++++++++
drivers/mmc/host/sdhci-pltfm.h | 1 +
2 files changed, 11 insertions(+)
diff --git a/drivers/mmc/host/sdhci-pltfm.c b/drivers/mmc/host/sdhci-pltfm.c
index 72d07b49b0a3..5a63c8818987 100644
--- a/drivers/mmc/host/sdhci-pltfm.c
+++ b/drivers/mmc/host/sdhci-pltfm.c
@@ -199,6 +199,16 @@ void sdhci_pltfm_unregister(struct platform_device *pdev)
}
EXPORT_SYMBOL_GPL(sdhci_pltfm_unregister);
+void sdhci_pltfm_remove(struct platform_device *pdev)
+{
+ struct sdhci_host *host = platform_get_drvdata(pdev);
+ int dead = (readl(host->ioaddr + SDHCI_INT_STATUS) == 0xffffffff);
+
+ sdhci_remove_host(host, dead);
+ sdhci_pltfm_free(pdev);
+}
+EXPORT_SYMBOL_GPL(sdhci_pltfm_remove);
+
#ifdef CONFIG_PM_SLEEP
int sdhci_pltfm_suspend(struct device *dev)
{
diff --git a/drivers/mmc/host/sdhci-pltfm.h b/drivers/mmc/host/sdhci-pltfm.h
index 6e6a443dafd9..402f4edc6ca5 100644
--- a/drivers/mmc/host/sdhci-pltfm.h
+++ b/drivers/mmc/host/sdhci-pltfm.h
@@ -103,6 +103,7 @@ extern int sdhci_pltfm_register(struct platform_device *pdev,
const struct sdhci_pltfm_data *pdata,
size_t priv_size);
extern void sdhci_pltfm_unregister(struct platform_device *pdev);
+extern void sdhci_pltfm_remove(struct platform_device *pdev);
extern unsigned int sdhci_pltfm_clk_get_max_clock(struct sdhci_host *host);