[PATCH] mmc: Remove unused kona_sdhci driver

[Tom Rini]

As no platforms use this driver anymore, remove it.

Signed-off-by: Tom Rini <trini at konsulko.com>
---
 drivers/mmc/Kconfig      |  10 ---
 drivers/mmc/Makefile     |   1 -
 drivers/mmc/kona_sdhci.c | 132 ---------------------------------------
 3 files changed, 143 deletions(-)
 delete mode 100644 drivers/mmc/kona_sdhci.c

diff --git a/drivers/mmc/Kconfig b/drivers/mmc/Kconfig
index 845b653731f9..123bd3fa3148 100644
--- a/drivers/mmc/Kconfig
+++ b/drivers/mmc/Kconfig
@@ -651,16 +651,6 @@ config MMC_SDHCI_F_SDH30
 	  If you have a controller with this interface, say Y here.
 	  If unsure, say N.
 
-config MMC_SDHCI_KONA
-	bool "SDHCI support on Broadcom KONA platform"
-	depends on MMC_SDHCI
-	help
-	  This selects the Broadcom Kona Secure Digital Host Controller
-	  Interface(SDHCI) support.
-	  This is used in Broadcom mobile SoCs.
-
-	  If you have a controller with this interface, say Y here.
-
 config MMC_SDHCI_MSM
 	bool "Qualcomm SDHCI controller"
 	depends on MMC_SDHCI
diff --git a/drivers/mmc/Makefile b/drivers/mmc/Makefile
index 280187c6bab7..a23336d7d8d7 100644
--- a/drivers/mmc/Makefile
+++ b/drivers/mmc/Makefile
@@ -63,7 +63,6 @@ obj-$(CONFIG_MMC_SDHCI_CADENCE)		+= sdhci-cadence6.o
 obj-$(CONFIG_MMC_SDHCI_CV1800B)		+= cv1800b_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_AM654)		+= am654_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_IPROC)		+= iproc_sdhci.o
-obj-$(CONFIG_MMC_SDHCI_KONA)		+= kona_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_MSM)		+= msm_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_MV)		+= mv_sdhci.o
 obj-$(CONFIG_MMC_SDHCI_NPCM)            += npcm_sdhci.o
diff --git a/drivers/mmc/kona_sdhci.c b/drivers/mmc/kona_sdhci.c
deleted file mode 100644
index 83f141226325..000000000000
--- a/drivers/mmc/kona_sdhci.c
+++ /dev/null
@@ -1,132 +0,0 @@
-// SPDX-License-Identifier: GPL-2.0+
-/*
- * Copyright 2013 Broadcom Corporation.
- */
-
-#include <malloc.h>
-#include <sdhci.h>
-#include <linux/delay.h>
-#include <linux/errno.h>
-#include <asm/kona-common/clk.h>
-
-#define SDHCI_CORECTRL_OFFSET		0x00008000
-#define SDHCI_CORECTRL_EN		0x01
-#define SDHCI_CORECTRL_RESET		0x02
-
-#define SDHCI_CORESTAT_OFFSET		0x00008004
-#define SDHCI_CORESTAT_CD_SW		0x01
-
-#define SDHCI_COREIMR_OFFSET		0x00008008
-#define SDHCI_COREIMR_IP		0x01
-
-static int init_kona_mmc_core(struct sdhci_host *host)
-{
-	unsigned int mask;
-	unsigned int timeout;
-
-	if (sdhci_readb(host, SDHCI_SOFTWARE_RESET) & SDHCI_RESET_ALL) {
-		printf("%s: sd host controller reset error\n", __func__);
-		return -EBUSY;
-	}
-
-	/* For kona a hardware reset before anything else. */
-	mask = sdhci_readl(host, SDHCI_CORECTRL_OFFSET) | SDHCI_CORECTRL_RESET;
-	sdhci_writel(host, mask, SDHCI_CORECTRL_OFFSET);
-
-	/* Wait max 100 ms */
-	timeout = 1000;
-	do {
-		if (timeout == 0) {
-			printf("%s: reset timeout error\n", __func__);
-			return -ETIMEDOUT;
-		}
-		timeout--;
-		udelay(100);
-	} while (0 ==
-		 (sdhci_readl(host, SDHCI_CORECTRL_OFFSET) &
-		  SDHCI_CORECTRL_RESET));
-
-	/* Clear the reset bit. */
-	mask = mask & ~SDHCI_CORECTRL_RESET;
-	sdhci_writel(host, mask, SDHCI_CORECTRL_OFFSET);
-
-	/* Enable AHB clock */
-	mask = sdhci_readl(host, SDHCI_CORECTRL_OFFSET);
-	sdhci_writel(host, mask | SDHCI_CORECTRL_EN, SDHCI_CORECTRL_OFFSET);
-
-	/* Enable interrupts */
-	sdhci_writel(host, SDHCI_COREIMR_IP, SDHCI_COREIMR_OFFSET);
-
-	/* Make sure Card is detected in controller */
-	mask = sdhci_readl(host, SDHCI_CORESTAT_OFFSET);
-	sdhci_writel(host, mask | SDHCI_CORESTAT_CD_SW, SDHCI_CORESTAT_OFFSET);
-
-	/* Wait max 100 ms */
-	timeout = 1000;
-	while (!(sdhci_readl(host, SDHCI_PRESENT_STATE) & SDHCI_CARD_PRESENT)) {
-		if (timeout == 0) {
-			printf("%s: CARD DETECT timeout error\n", __func__);
-			return -ETIMEDOUT;
-		}
-		timeout--;
-		udelay(100);
-	}
-	return 0;
-}
-
-int kona_sdhci_init(int dev_index, u32 min_clk, u32 quirks)
-{
-	int ret = 0;
-	u32 max_clk;
-	void *reg_base;
-	struct sdhci_host *host = NULL;
-
-	host = (struct sdhci_host *)malloc(sizeof(struct sdhci_host));
-	if (!host) {
-		printf("%s: sdhci host malloc fail!\n", __func__);
-		return -ENOMEM;
-	}
-	switch (dev_index) {
-	case 0:
-		reg_base = (void *)CONFIG_SYS_SDIO_BASE0;
-		ret = clk_sdio_enable(reg_base, CONFIG_SYS_SDIO0_MAX_CLK,
-				      &max_clk);
-		break;
-	case 1:
-		reg_base = (void *)CONFIG_SYS_SDIO_BASE1;
-		ret = clk_sdio_enable(reg_base, CONFIG_SYS_SDIO1_MAX_CLK,
-				      &max_clk);
-		break;
-	case 2:
-		reg_base = (void *)CONFIG_SYS_SDIO_BASE2;
-		ret = clk_sdio_enable(reg_base, CONFIG_SYS_SDIO2_MAX_CLK,
-				      &max_clk);
-		break;
-	case 3:
-		reg_base = (void *)CONFIG_SYS_SDIO_BASE3;
-		ret = clk_sdio_enable(reg_base, CONFIG_SYS_SDIO3_MAX_CLK,
-				      &max_clk);
-		break;
-	default:
-		printf("%s: sdio dev index %d not supported\n",
-		       __func__, dev_index);
-		ret = -EINVAL;
-	}
-	if (ret) {
-		free(host);
-		return ret;
-	}
-
-	host->name = "kona-sdhci";
-	host->ioaddr = reg_base;
-	host->quirks = quirks;
-	host->max_clk = max_clk;
-
-	if (init_kona_mmc_core(host)) {
-		free(host);
-		return -EINVAL;
-	}
-
-	add_sdhci(host, 0, min_clk);
-	return ret;
-}
-- 
2.43.0