1 files changed, 0 insertions, 164 deletions

diff --git a/arch/arm/plat-spear/padmux.c b/arch/arm/plat-spear/padmux.c
deleted file mode 100644
index 555eec6dc1cb..000000000000
--- a/arch/arm/plat-spear/padmux.c
+++ /dev/null
@@ -1,164 +0,0 @@
-/*
- * arch/arm/plat-spear/include/plat/padmux.c
- *
- * SPEAr platform specific gpio pads muxing source file
- *
- * Copyright (C) 2009 ST Microelectronics
- * Viresh Kumar<viresh.kumar@st.com>
- *
- * This file is licensed under the terms of the GNU General Public
- * License version 2. This program is licensed "as is" without any
- * warranty of any kind, whether express or implied.
- */
-
-#include <linux/err.h>
-#include <linux/io.h>
-#include <linux/slab.h>
-#include <plat/padmux.h>
-
-/*
- * struct pmx: pmx definition structure
- *
- * base: base address of configuration registers
- * mode_reg: mode configurations
- * mux_reg: muxing configurations
- * active_mode: pointer to current active mode
- */
-struct pmx {
-        u32 base;
-        struct pmx_reg mode_reg;
-        struct pmx_reg mux_reg;
-        struct pmx_mode *active_mode;
-};
-
-static struct pmx *pmx;
-
-/**
- * pmx_mode_set - Enables an multiplexing mode
- * @mode - pointer to pmx mode
- *
- * It will set mode of operation in hardware.
- * Returns -ve on Err otherwise 0
- */
-static int pmx_mode_set(struct pmx_mode *mode)
-{
-        u32 val;
-
-        if (!mode->name)
-                return -EFAULT;
-
-        pmx->active_mode = mode;
-
-        val = readl(pmx->base + pmx->mode_reg.offset);
-        val &= ~pmx->mode_reg.mask;
-        val |= mode->mask & pmx->mode_reg.mask;
-        writel(val, pmx->base + pmx->mode_reg.offset);
-
-        return 0;
-}
-
-/**
- * pmx_devs_enable - Enables list of devices
- * @devs - pointer to pmx device array
- * @count - number of devices to enable
- *
- * It will enable pads for all required peripherals once and only once.
- * If peripheral is not supported by current mode then request is rejected.
- * Conflicts between peripherals are not handled and peripherals will be
- * enabled in the order they are present in pmx_dev array.
- * In case of conflicts last peripheral enabled will be present.
- * Returns -ve on Err otherwise 0
- */
-static int pmx_devs_enable(struct pmx_dev **devs, u8 count)
-{
-        u32 val, i, mask;
-
-        if (!count)
-                return -EINVAL;
-
-        val = readl(pmx->base + pmx->mux_reg.offset);
-        for (i = 0; i < count; i++) {
-                u8 j = 0;
-
-                if (!devs[i]->name || !devs[i]->modes) {
-                        printk(KERN_ERR "padmux: dev name or modes is null\n");
-                        continue;
-                }
-                /* check if peripheral exists in active mode */
-                if (pmx->active_mode) {
-                        bool found = false;
-                        for (j = 0; j < devs[i]->mode_count; j++) {
-                                if (devs[i]->modes[j].ids &
-                                                pmx->active_mode->id) {
-                                        found = true;
-                                        break;
-                                }
-                        }
-                        if (found == false) {
-                                printk(KERN_ERR "%s device not available in %s"\
-                                                "mode\n", devs[i]->name,
-                                                pmx->active_mode->name);
-                                continue;
-                        }
-                }
-
-                /* enable peripheral */
-                mask = devs[i]->modes[j].mask & pmx->mux_reg.mask;
-                if (devs[i]->enb_on_reset)
-                        val &= ~mask;
-                else
-                        val |= mask;
-
-                devs[i]->is_active = true;
-        }
-        writel(val, pmx->base + pmx->mux_reg.offset);
-        kfree(pmx);
-
-        /* this will ensure that multiplexing can't be changed now */
-        pmx = (struct pmx *)-1;
-
-        return 0;
-}
-
-/**
- * pmx_register - registers a platform requesting pad mux feature
- * @driver - pointer to driver structure containing driver specific parameters
- *
- * Also this must be called only once. This will allocate memory for pmx
- * structure, will call pmx_mode_set, will call pmx_devs_enable.
- * Returns -ve on Err otherwise 0
- */
-int pmx_register(struct pmx_driver *driver)
-{
-        int ret = 0;
-
-        if (pmx)
-                return -EPERM;
-        if (!driver->base || !driver->devs)
-                return -EFAULT;
-
-        pmx = kzalloc(sizeof(*pmx), GFP_KERNEL);
-        if (!pmx)
-                return -ENOMEM;
-
-        pmx->base = (u32)driver->base;
-        pmx->mode_reg.offset = driver->mode_reg.offset;
-        pmx->mode_reg.mask = driver->mode_reg.mask;
-        pmx->mux_reg.offset = driver->mux_reg.offset;
-        pmx->mux_reg.mask = driver->mux_reg.mask;
-
-        /* choose mode to enable */
-        if (driver->mode) {
-                ret = pmx_mode_set(driver->mode);
-                if (ret)
-                        goto pmx_fail;
-        }
-        ret = pmx_devs_enable(driver->devs, driver->devs_count);
-        if (ret)
-                goto pmx_fail;
-
-        return 0;
-
-pmx_fail:
-        return ret;
-}