kernel/0040-refactor-remove-useless-code-in-emmc-sd-driver.patch

From 9750a7e53d5551061d5cf56d013b90ad6b4cd45f Mon Sep 17 00:00:00 2001
From: liangshuang <liangshuang@eswincomputing.com>
Date: Thu, 30 May 2024 09:50:56 +0800
Subject: [PATCH 040/219] refactor:remove useless code in emmc/sd driver.

Changelogs:
1.Remove useless code related to HAPS/ZEBU.
2.Add type attributes in dts.
---
 arch/riscv/boot/dts/eswin/eic7700-evb-a2.dts  |  4 ++++
 arch/riscv/boot/dts/eswin/eic7700-evb.dts     |  4 ++++
 .../boot/dts/eswin/hifive-premier-550.dts     |  6 +++++-
 drivers/mmc/host/sdhci-of-eswin-sdio.c        | 17 ----------------
 drivers/mmc/host/sdhci-of-eswin.c             | 20 -------------------
 5 files changed, 13 insertions(+), 38 deletions(-)

diff --git a/arch/riscv/boot/dts/eswin/eic7700-evb-a2.dts b/arch/riscv/boot/dts/eswin/eic7700-evb-a2.dts
index 584338c8ad4c..008c21b95a6f 100644
--- a/arch/riscv/boot/dts/eswin/eic7700-evb-a2.dts
+++ b/arch/riscv/boot/dts/eswin/eic7700-evb-a2.dts
@@ -482,6 +482,8 @@ &sdhci_emmc {
 	enable-data-pullup;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_emmc_led_control_default>;
+	no-sdio;
+	no-sd;
 };
 
 &sdio0 {
@@ -494,6 +496,7 @@ &sdio0 {
 	enable-data-pullup;
 	enable_sw_tuning;
 	no-sdio;
+	no-mmc;
 };
 
 &sdio1 {
@@ -507,6 +510,7 @@ &sdio1 {
 	enable_sw_tuning;
 	non-removable;
 	no-sd;
+	no-mmc;
 };
 
 &d0_gmac0 {
diff --git a/arch/riscv/boot/dts/eswin/eic7700-evb.dts b/arch/riscv/boot/dts/eswin/eic7700-evb.dts
index 4ed625ef7bd3..4d9aeafa93f7 100644
--- a/arch/riscv/boot/dts/eswin/eic7700-evb.dts
+++ b/arch/riscv/boot/dts/eswin/eic7700-evb.dts
@@ -453,6 +453,8 @@ &sdhci_emmc {
 	drive-impedance-ohm = <50>;
 	enable-cmd-pullup;
 	enable-data-pullup;
+	no-sdio;
+	no-sd;
 };
 
 &sdio0 {
@@ -464,6 +466,7 @@ &sdio0 {
 	enable-data-pullup;
 	enable_sw_tuning;
 	no-sdio;
+	no-mmc;
 };
 
 &sdio1 {
@@ -476,6 +479,7 @@ &sdio1 {
 	enable_sw_tuning;
 	non-removable;
 	no-sd;
+	no-mmc;
 };
 
 &d0_gmac0 {
diff --git a/arch/riscv/boot/dts/eswin/hifive-premier-550.dts b/arch/riscv/boot/dts/eswin/hifive-premier-550.dts
index f0883f403393..e2a203812d12 100644
--- a/arch/riscv/boot/dts/eswin/hifive-premier-550.dts
+++ b/arch/riscv/boot/dts/eswin/hifive-premier-550.dts
@@ -394,6 +394,8 @@ &sdhci_emmc {
 	enable-data-pullup;
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_emmc_led_control_default>;
+	no-sdio;
+	no-sd;
 };
 
 &sdio0 {
@@ -406,11 +408,12 @@ &sdio0 {
 	enable-data-pullup;
 	enable_sw_tuning;
 	no-sdio;
+	no-mmc;
 };
 
 &sdio1 {
 	/* wifi module */
-	status = "disabled";
+	status = "okay";
 	delay_code = <0x21>;
 	drive-impedance-ohm = <33>;
 	enable-cmd-pullup;
@@ -418,6 +421,7 @@ &sdio1 {
 	enable_sw_tuning;
 	non-removable;
 	no-sd;
+	no-mmc;
 };
 
 &d0_gmac0 {
diff --git a/drivers/mmc/host/sdhci-of-eswin-sdio.c b/drivers/mmc/host/sdhci-of-eswin-sdio.c
index fa23d1ded51c..83cbdb61c936 100644
--- a/drivers/mmc/host/sdhci-of-eswin-sdio.c
+++ b/drivers/mmc/host/sdhci-of-eswin-sdio.c
@@ -851,23 +851,6 @@ static int eswin_sdhci_sdio_probe(struct platform_device *pdev)
 		goto err_pltfm_free;
 	}
 
-#if defined(__SDIO_HAPS) || defined(__SDIO_ZEBU)
-#if !defined(__SDIO_UHS)
-	/* This macro is only for setting 3.3v speed mode(HAPS) , you can delete it later*/
-	eswin_sdhci_sdio->host->quirks2 |= SDHCI_QUIRK2_NO_1_8_V;
-#endif
-#if defined(__SDIO_PIO)
-	/* This macro is only for testing PIO , you can delete it later*/
-	eswin_sdhci_sdio->host->quirks |= SDHCI_QUIRK_BROKEN_DMA |
-					  SDHCI_QUIRK_BROKEN_ADMA;
-#elif defined(__SDIO_SDMA)
-	/* This macro is only for testing SDMA ,you can delete it later*/
-	eswin_sdhci_sdio->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;
-#elif defined(__SDIO_ADMA3)
-	/* This macro is only for testing ADMA3 ,you can delete it later*/
-	sdhci_enable_v4_mode(eswin_sdhci_sdio->host);
-#endif
-#endif
 	sdhci_get_of_property(pdev);
 
 	eswin_sdhci_sdio->clk_ops = data->clk_ops;
diff --git a/drivers/mmc/host/sdhci-of-eswin.c b/drivers/mmc/host/sdhci-of-eswin.c
index 591315f48cbc..41aa80f8dbe3 100644
--- a/drivers/mmc/host/sdhci-of-eswin.c
+++ b/drivers/mmc/host/sdhci-of-eswin.c
@@ -87,7 +87,6 @@ static void eswin_sdhci_set_clock(struct sdhci_host *host, unsigned int clock)
 		msleep(20);
 }
 
-#if !defined(__FPGA) && !defined(__ZEBU)
 static void eswin_sdhci_hs400_enhanced_strobe(struct mmc_host *mmc,
 					      struct mmc_ios *ios)
 {
@@ -102,7 +101,6 @@ static void eswin_sdhci_hs400_enhanced_strobe(struct mmc_host *mmc,
 
 	sdhci_writel(host, vendor, eswin_sdhci_VENDOR_EMMC_CTRL_REGISTER);
 }
-#endif
 
 static void eswin_sdhci_config_phy_delay(struct sdhci_host *host, int delay)
 {
@@ -890,20 +888,6 @@ static int eswin_sdhci_probe(struct platform_device *pdev)
 		goto err_pltfm_free;
 	}
 
-#if defined(__FPGA) || defined(__ZEBU)
-#if defined __SDMA
-	eswin_sdhci->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA;
-#elif defined(__ADMA2) || defined(__ADMA3)
-#else
-	eswin_sdhci->host->quirks |= SDHCI_QUIRK_BROKEN_ADMA |
-					SDHCI_QUIRK_BROKEN_DMA;
-#endif
-#endif
-
-#if defined(__FORCE_1BIT)
-	eswin_sdhci->host->quirks |= SDHCI_QUIRK_FORCE_1_BIT_DATA;
-#endif
-
 	eswin_sdhci->clk_ahb = devm_clk_get(dev, "clk_ahb");
 	if (IS_ERR(eswin_sdhci->clk_ahb)) {
 		ret = dev_err_probe(dev, PTR_ERR(eswin_sdhci->clk_ahb),
@@ -990,7 +974,6 @@ static int eswin_sdhci_probe(struct platform_device *pdev)
 		goto unreg_clk;
 	}
 
-#if !defined(__FPGA) && !defined(__ZEBU)
 	if (of_device_is_compatible(dev->of_node, "eswin,sdhci-5.1")) {
 		host->mmc_host_ops.hs400_enhanced_strobe =
 			eswin_sdhci_hs400_enhanced_strobe;
@@ -1000,11 +983,8 @@ static int eswin_sdhci_probe(struct platform_device *pdev)
 		if (!of_property_read_bool(dev->of_node, "disable-cqe-dcmd"))
 			host->mmc->caps2 |= MMC_CAP2_CQE_DCMD;
 	}
-#endif
 
-#if !defined(__ADMA3_DISABLE)
 	sdhci_enable_v4_mode(eswin_sdhci->host);
-#endif
 
 	ret = eswin_sdhci_add_host(eswin_sdhci);
 	if (ret)
-- 
2.47.0