From 9d77db3c730780c8ef5ccd4b66403ff5675cfe4e Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 13 May 2024 10:30:14 +0000
Subject: [PATCH] modify sin led gpio
---
kernel/drivers/mmc/host/sdhci-pltfm.c | 103 +++++++++++++++++++++++++--------------------------
1 files changed, 50 insertions(+), 53 deletions(-)
diff --git a/kernel/drivers/mmc/host/sdhci-pltfm.c b/kernel/drivers/mmc/host/sdhci-pltfm.c
index 02bea61..328b132 100644
--- a/kernel/drivers/mmc/host/sdhci-pltfm.c
+++ b/kernel/drivers/mmc/host/sdhci-pltfm.c
@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* sdhci-pltfm.c Support for SDHCI platform devices
* Copyright (c) 2009 Intel Corporation
@@ -7,19 +8,6 @@
*
* Authors: Xiaobo Xie <X.Xie@freescale.com>
* Anton Vorontsov <avorontsov@ru.mvista.com>
- *
- * 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.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* Supports:
@@ -30,6 +18,7 @@
#include <linux/err.h>
#include <linux/module.h>
+#include <linux/property.h>
#include <linux/of.h>
#ifdef CONFIG_PPC
#include <asm/machdep.h>
@@ -51,11 +40,10 @@
.set_uhs_signaling = sdhci_set_uhs_signaling,
};
-#ifdef CONFIG_OF
-static bool sdhci_of_wp_inverted(struct device_node *np)
+static bool sdhci_wp_inverted(struct device *dev)
{
- if (of_get_property(np, "sdhci,wp-inverted", NULL) ||
- of_get_property(np, "wp-inverted", NULL))
+ if (device_property_present(dev, "sdhci,wp-inverted") ||
+ device_property_present(dev, "wp-inverted"))
return true;
/* Old device trees don't have the wp-inverted property. */
@@ -66,29 +54,14 @@
#endif /* CONFIG_PPC */
}
-void sdhci_get_of_property(struct platform_device *pdev)
+#ifdef CONFIG_OF
+static void sdhci_get_compatibility(struct platform_device *pdev)
{
- struct device_node *np = pdev->dev.of_node;
struct sdhci_host *host = platform_get_drvdata(pdev);
- struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
- u32 bus_width;
+ struct device_node *np = pdev->dev.of_node;
- if (of_get_property(np, "sdhci,auto-cmd12", NULL))
- host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
-
- if (of_get_property(np, "sdhci,1-bit-only", NULL) ||
- (of_property_read_u32(np, "bus-width", &bus_width) == 0 &&
- bus_width == 1))
- host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
-
- if (sdhci_of_wp_inverted(np))
- host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
-
- if (of_get_property(np, "broken-cd", NULL))
- host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
-
- if (of_get_property(np, "no-1-8-v", NULL))
- host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
+ if (!np)
+ return;
if (of_device_is_compatible(np, "fsl,p2020-rev1-esdhc"))
host->quirks |= SDHCI_QUIRK_BROKEN_DMA;
@@ -98,32 +71,57 @@
of_device_is_compatible(np, "fsl,t4240-esdhc") ||
of_device_is_compatible(np, "fsl,mpc8536-esdhc"))
host->quirks |= SDHCI_QUIRK_BROKEN_TIMEOUT_VAL;
-
- of_property_read_u32(np, "clock-frequency", &pltfm_host->clock);
-
- if (of_find_property(np, "keep-power-in-suspend", NULL))
- host->mmc->pm_caps |= MMC_PM_KEEP_POWER;
-
- if (of_property_read_bool(np, "wakeup-source") ||
- of_property_read_bool(np, "enable-sdio-wakeup")) /* legacy */
- host->mmc->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
}
#else
-void sdhci_get_of_property(struct platform_device *pdev) {}
+void sdhci_get_compatibility(struct platform_device *pdev) {}
#endif /* CONFIG_OF */
-EXPORT_SYMBOL_GPL(sdhci_get_of_property);
+
+void sdhci_get_property(struct platform_device *pdev)
+{
+ struct device *dev = &pdev->dev;
+ struct sdhci_host *host = platform_get_drvdata(pdev);
+ struct sdhci_pltfm_host *pltfm_host = sdhci_priv(host);
+ u32 bus_width;
+
+ if (device_property_present(dev, "sdhci,auto-cmd12"))
+ host->quirks |= SDHCI_QUIRK_MULTIBLOCK_READ_ACMD12;
+
+ if (device_property_present(dev, "sdhci,1-bit-only") ||
+ (device_property_read_u32(dev, "bus-width", &bus_width) == 0 &&
+ bus_width == 1))
+ host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
+
+ if (sdhci_wp_inverted(dev))
+ host->quirks |= SDHCI_QUIRK_INVERTED_WRITE_PROTECT;
+
+ if (device_property_present(dev, "broken-cd"))
+ host->quirks |= SDHCI_QUIRK_BROKEN_CARD_DETECTION;
+
+ if (device_property_present(dev, "no-1-8-v"))
+ host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
+
+ sdhci_get_compatibility(pdev);
+
+ device_property_read_u32(dev, "clock-frequency", &pltfm_host->clock);
+
+ if (device_property_present(dev, "keep-power-in-suspend"))
+ host->mmc->pm_caps |= MMC_PM_KEEP_POWER;
+
+ if (device_property_read_bool(dev, "wakeup-source") ||
+ device_property_read_bool(dev, "enable-sdio-wakeup")) /* legacy */
+ host->mmc->pm_caps |= MMC_PM_WAKE_SDIO_IRQ;
+}
+EXPORT_SYMBOL_GPL(sdhci_get_property);
struct sdhci_host *sdhci_pltfm_init(struct platform_device *pdev,
const struct sdhci_pltfm_data *pdata,
size_t priv_size)
{
struct sdhci_host *host;
- struct resource *iomem;
void __iomem *ioaddr;
int irq, ret;
- iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
- ioaddr = devm_ioremap_resource(&pdev->dev, iomem);
+ ioaddr = devm_platform_ioremap_resource(pdev, 0);
if (IS_ERR(ioaddr)) {
ret = PTR_ERR(ioaddr);
goto err;
@@ -131,7 +129,6 @@
irq = platform_get_irq(pdev, 0);
if (irq < 0) {
- dev_err(&pdev->dev, "failed to get IRQ number\n");
ret = irq;
goto err;
}
@@ -184,7 +181,7 @@
if (IS_ERR(host))
return PTR_ERR(host);
- sdhci_get_of_property(pdev);
+ sdhci_get_property(pdev);
ret = sdhci_add_host(host);
if (ret)
--
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