--- /dev/null
+/*
+ * linux/drivers/mmc/card/mmc_test.c
+ *
+ * Copyright 2007 Pierre Ossman
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or (at
+ * your option) any later version.
+ */
+
+#include <linux/mmc/core.h>
+#include <linux/mmc/card.h>
+#include <linux/mmc/host.h>
+#include <linux/mmc/mmc.h>
+
+#include <linux/scatterlist.h>
+
+#define RESULT_OK 0
+#define RESULT_FAIL 1
+#define RESULT_UNSUP_HOST 2
+#define RESULT_UNSUP_CARD 3
+
+#define BUFFER_SIZE (PAGE_SIZE * 4)
+
+struct mmc_test_card {
+ struct mmc_card *card;
+
+ u8 *buffer;
+};
+
+/*******************************************************************/
+/* Helper functions */
+/*******************************************************************/
+
+static int mmc_test_set_blksize(struct mmc_test_card *test, unsigned size)
+{
+ struct mmc_command cmd;
+ int ret;
+
+ cmd.opcode = MMC_SET_BLOCKLEN;
+ cmd.arg = size;
+ cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
+ ret = mmc_wait_for_cmd(test->card->host, &cmd, 0);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int __mmc_test_transfer(struct mmc_test_card *test, int write,
+ unsigned broken_xfer, u8 *buffer, unsigned addr,
+ unsigned blocks, unsigned blksz)
+{
+ int ret, busy;
+
+ struct mmc_request mrq;
+ struct mmc_command cmd;
+ struct mmc_command stop;
+ struct mmc_data data;
+
+ struct scatterlist sg;
+
+ memset(&mrq, 0, sizeof(struct mmc_request));
+
+ mrq.cmd = &cmd;
+ mrq.data = &data;
+
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ if (broken_xfer) {
+ if (blocks > 1) {
+ cmd.opcode = write ?
+ MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK;
+ } else {
+ cmd.opcode = MMC_SEND_STATUS;
+ }
+ } else {
+ if (blocks > 1) {
+ cmd.opcode = write ?
+ MMC_WRITE_MULTIPLE_BLOCK : MMC_READ_MULTIPLE_BLOCK;
+ } else {
+ cmd.opcode = write ?
+ MMC_WRITE_BLOCK : MMC_READ_SINGLE_BLOCK;
+ }
+ }
+
+ if (broken_xfer && blocks == 1)
+ cmd.arg = test->card->rca << 16;
+ else
+ cmd.arg = addr;
+ cmd.flags = MMC_RSP_R1 | MMC_CMD_ADTC;
+
+ memset(&stop, 0, sizeof(struct mmc_command));
+
+ if (!broken_xfer && (blocks > 1)) {
+ stop.opcode = MMC_STOP_TRANSMISSION;
+ stop.arg = 0;
+ stop.flags = MMC_RSP_R1B | MMC_CMD_AC;
+
+ mrq.stop = &stop;
+ }
+
+ memset(&data, 0, sizeof(struct mmc_data));
+
+ data.blksz = blksz;
+ data.blocks = blocks;
+ data.flags = write ? MMC_DATA_WRITE : MMC_DATA_READ;
+ data.sg = &sg;
+ data.sg_len = 1;
+
+ sg_init_one(&sg, buffer, blocks * blksz);
+
+ mmc_set_data_timeout(&data, test->card);
+
+ mmc_wait_for_req(test->card->host, &mrq);
+
+ ret = 0;
+
+ if (broken_xfer) {
+ if (!ret && cmd.error)
+ ret = cmd.error;
+ if (!ret && data.error == 0)
+ ret = RESULT_FAIL;
+ if (!ret && data.error != -ETIMEDOUT)
+ ret = data.error;
+ if (!ret && stop.error)
+ ret = stop.error;
+ if (blocks > 1) {
+ if (!ret && data.bytes_xfered > blksz)
+ ret = RESULT_FAIL;
+ } else {
+ if (!ret && data.bytes_xfered > 0)
+ ret = RESULT_FAIL;
+ }
+ } else {
+ if (!ret && cmd.error)
+ ret = cmd.error;
+ if (!ret && data.error)
+ ret = data.error;
+ if (!ret && stop.error)
+ ret = stop.error;
+ if (!ret && data.bytes_xfered != blocks * blksz)
+ ret = RESULT_FAIL;
+ }
+
+ if (ret == -EINVAL)
+ ret = RESULT_UNSUP_HOST;
+
+ busy = 0;
+ do {
+ int ret2;
+
+ memset(&cmd, 0, sizeof(struct mmc_command));
+
+ cmd.opcode = MMC_SEND_STATUS;
+ cmd.arg = test->card->rca << 16;
+ cmd.flags = MMC_RSP_R1 | MMC_CMD_AC;
+
+ ret2 = mmc_wait_for_cmd(test->card->host, &cmd, 0);
+ if (ret2)
+ break;
+
+ if (!busy && !(cmd.resp[0] & R1_READY_FOR_DATA)) {
+ busy = 1;
+ printk(KERN_INFO "%s: Warning: Host did not "
+ "wait for busy state to end.\n",
+ mmc_hostname(test->card->host));
+ }
+ } while (!(cmd.resp[0] & R1_READY_FOR_DATA));
+
+ return ret;
+}
+
+static int mmc_test_transfer(struct mmc_test_card *test, int write,
+ u8 *buffer, unsigned addr, unsigned blocks, unsigned blksz)
+{
+ return __mmc_test_transfer(test, write, 0, buffer,
+ addr, blocks, blksz);
+}
+
+static int mmc_test_prepare_verify(struct mmc_test_card *test, int write)
+{
+ int ret, i;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ if (write)
+ memset(test->buffer, 0xDF, BUFFER_SIZE);
+ else {
+ for (i = 0;i < BUFFER_SIZE;i++)
+ test->buffer[i] = i;
+ }
+
+ for (i = 0;i < BUFFER_SIZE / 512;i++) {
+ ret = mmc_test_transfer(test, 1, test->buffer + i * 512,
+ i * 512, 1, 512);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_prepare_verify_write(struct mmc_test_card *test)
+{
+ return mmc_test_prepare_verify(test, 1);
+}
+
+static int mmc_test_prepare_verify_read(struct mmc_test_card *test)
+{
+ return mmc_test_prepare_verify(test, 0);
+}
+
+static int mmc_test_verified_transfer(struct mmc_test_card *test, int write,
+ u8 *buffer, unsigned addr, unsigned blocks, unsigned blksz)
+{
+ int ret, i, sectors;
+
+ /*
+ * It is assumed that the above preparation has been done.
+ */
+
+ memset(test->buffer, 0, BUFFER_SIZE);
+
+ if (write) {
+ for (i = 0;i < blocks * blksz;i++)
+ buffer[i] = i;
+ }
+
+ ret = mmc_test_set_blksize(test, blksz);
+ if (ret)
+ return ret;
+
+ ret = mmc_test_transfer(test, write, buffer, addr, blocks, blksz);
+ if (ret)
+ return ret;
+
+ if (write) {
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ sectors = (blocks * blksz + 511) / 512;
+ if ((sectors * 512) == (blocks * blksz))
+ sectors++;
+
+ if ((sectors * 512) > BUFFER_SIZE)
+ return -EINVAL;
+
+ memset(test->buffer, 0, sectors * 512);
+
+ for (i = 0;i < sectors;i++) {
+ ret = mmc_test_transfer(test, 0,
+ test->buffer + i * 512,
+ addr + i * 512, 1, 512);
+ if (ret)
+ return ret;
+ }
+
+ for (i = 0;i < blocks * blksz;i++) {
+ if (test->buffer[i] != (u8)i)
+ return RESULT_FAIL;
+ }
+
+ for (;i < sectors * 512;i++) {
+ if (test->buffer[i] != 0xDF)
+ return RESULT_FAIL;
+ }
+ } else {
+ for (i = 0;i < blocks * blksz;i++) {
+ if (buffer[i] != (u8)i)
+ return RESULT_FAIL;
+ }
+ }
+
+ return 0;
+}
+
+static int mmc_test_cleanup_verify(struct mmc_test_card *test)
+{
+ int ret, i;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ memset(test->buffer, 0, BUFFER_SIZE);
+
+ for (i = 0;i < BUFFER_SIZE / 512;i++) {
+ ret = mmc_test_transfer(test, 1, test->buffer + i * 512,
+ i * 512, 1, 512);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+/*******************************************************************/
+/* Tests */
+/*******************************************************************/
+
+struct mmc_test_case {
+ const char *name;
+
+ int (*prepare)(struct mmc_test_card *);
+ int (*run)(struct mmc_test_card *);
+ int (*cleanup)(struct mmc_test_card *);
+};
+
+static int mmc_test_basic_write(struct mmc_test_card *test)
+{
+ int ret;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ ret = mmc_test_transfer(test, 1, test->buffer, 0, 1, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_basic_read(struct mmc_test_card *test)
+{
+ int ret;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ ret = mmc_test_transfer(test, 0, test->buffer, 0, 1, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_verify_write(struct mmc_test_card *test)
+{
+ int ret;
+
+ ret = mmc_test_verified_transfer(test, 1, test->buffer, 0, 1, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_verify_read(struct mmc_test_card *test)
+{
+ int ret;
+
+ ret = mmc_test_verified_transfer(test, 0, test->buffer, 0, 1, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_multi_write(struct mmc_test_card *test)
+{
+ int ret;
+ unsigned int size;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ ret = mmc_test_verified_transfer(test, 1, test->buffer, 0,
+ size / 512, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_multi_read(struct mmc_test_card *test)
+{
+ int ret;
+ unsigned int size;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ ret = mmc_test_verified_transfer(test, 0, test->buffer, 0,
+ size / 512, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_pow2_write(struct mmc_test_card *test)
+{
+ int ret, i;
+
+ if (!test->card->csd.write_partial)
+ return RESULT_UNSUP_CARD;
+
+ for (i = 1; i < 512;i <<= 1) {
+ ret = mmc_test_verified_transfer(test, 1,
+ test->buffer, 0, 1, i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_pow2_read(struct mmc_test_card *test)
+{
+ int ret, i;
+
+ if (!test->card->csd.read_partial)
+ return RESULT_UNSUP_CARD;
+
+ for (i = 1; i < 512;i <<= 1) {
+ ret = mmc_test_verified_transfer(test, 0,
+ test->buffer, 0, 1, i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_weird_write(struct mmc_test_card *test)
+{
+ int ret, i;
+
+ if (!test->card->csd.write_partial)
+ return RESULT_UNSUP_CARD;
+
+ for (i = 3; i < 512;i += 7) {
+ ret = mmc_test_verified_transfer(test, 1,
+ test->buffer, 0, 1, i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_weird_read(struct mmc_test_card *test)
+{
+ int ret, i;
+
+ if (!test->card->csd.read_partial)
+ return RESULT_UNSUP_CARD;
+
+ for (i = 3; i < 512;i += 7) {
+ ret = mmc_test_verified_transfer(test, 0,
+ test->buffer, 0, 1, i);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_align_write(struct mmc_test_card *test)
+{
+ int ret, i;
+
+ for (i = 1;i < 4;i++) {
+ ret = mmc_test_verified_transfer(test, 1, test->buffer + i,
+ 0, 1, 512);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_align_read(struct mmc_test_card *test)
+{
+ int ret, i;
+
+ for (i = 1;i < 4;i++) {
+ ret = mmc_test_verified_transfer(test, 0, test->buffer + i,
+ 0, 1, 512);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_align_multi_write(struct mmc_test_card *test)
+{
+ int ret, i;
+ unsigned int size;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ for (i = 1;i < 4;i++) {
+ ret = mmc_test_verified_transfer(test, 1, test->buffer + i,
+ 0, size / 512, 512);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_align_multi_read(struct mmc_test_card *test)
+{
+ int ret, i;
+ unsigned int size;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ size = PAGE_SIZE * 2;
+ size = min(size, test->card->host->max_req_size);
+ size = min(size, test->card->host->max_seg_size);
+ size = min(size, test->card->host->max_blk_count * 512);
+
+ if (size < 1024)
+ return RESULT_UNSUP_HOST;
+
+ for (i = 1;i < 4;i++) {
+ ret = mmc_test_verified_transfer(test, 0, test->buffer + i,
+ 0, size / 512, 512);
+ if (ret)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int mmc_test_xfersize_write(struct mmc_test_card *test)
+{
+ int ret;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ ret = __mmc_test_transfer(test, 1, 1, test->buffer, 0, 1, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_xfersize_read(struct mmc_test_card *test)
+{
+ int ret;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ ret = __mmc_test_transfer(test, 0, 1, test->buffer, 0, 1, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_multi_xfersize_write(struct mmc_test_card *test)
+{
+ int ret;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ ret = __mmc_test_transfer(test, 1, 1, test->buffer, 0, 2, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static int mmc_test_multi_xfersize_read(struct mmc_test_card *test)
+{
+ int ret;
+
+ if (test->card->host->max_blk_count == 1)
+ return RESULT_UNSUP_HOST;
+
+ ret = mmc_test_set_blksize(test, 512);
+ if (ret)
+ return ret;
+
+ ret = __mmc_test_transfer(test, 0, 1, test->buffer, 0, 2, 512);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static const struct mmc_test_case mmc_test_cases[] = {
+ {
+ .name = "Basic write (no data verification)",
+ .run = mmc_test_basic_write,
+ },
+
+ {
+ .name = "Basic read (no data verification)",
+ .run = mmc_test_basic_read,
+ },
+
+ {
+ .name = "Basic write (with data verification)",
+ .prepare = mmc_test_prepare_verify_write,
+ .run = mmc_test_verify_write,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Basic read (with data verification)",
+ .prepare = mmc_test_prepare_verify_read,
+ .run = mmc_test_verify_read,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Multi-block write",
+ .prepare = mmc_test_prepare_verify_write,
+ .run = mmc_test_multi_write,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Multi-block read",
+ .prepare = mmc_test_prepare_verify_read,
+ .run = mmc_test_multi_read,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Power of two block writes",
+ .prepare = mmc_test_prepare_verify_write,
+ .run = mmc_test_pow2_write,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Power of two block reads",
+ .prepare = mmc_test_prepare_verify_read,
+ .run = mmc_test_pow2_read,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Weird sized block writes",
+ .prepare = mmc_test_prepare_verify_write,
+ .run = mmc_test_weird_write,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Weird sized block reads",
+ .prepare = mmc_test_prepare_verify_read,
+ .run = mmc_test_weird_read,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Badly aligned write",
+ .prepare = mmc_test_prepare_verify_write,
+ .run = mmc_test_align_write,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Badly aligned read",
+ .prepare = mmc_test_prepare_verify_read,
+ .run = mmc_test_align_read,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Badly aligned multi-block write",
+ .prepare = mmc_test_prepare_verify_write,
+ .run = mmc_test_align_multi_write,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Badly aligned multi-block read",
+ .prepare = mmc_test_prepare_verify_read,
+ .run = mmc_test_align_multi_read,
+ .cleanup = mmc_test_cleanup_verify,
+ },
+
+ {
+ .name = "Correct xfer_size at write (start failure)",
+ .run = mmc_test_xfersize_write,
+ },
+
+ {
+ .name = "Correct xfer_size at read (start failure)",
+ .run = mmc_test_xfersize_read,
+ },
+
+ {
+ .name = "Correct xfer_size at write (midway failure)",
+ .run = mmc_test_multi_xfersize_write,
+ },
+
+ {
+ .name = "Correct xfer_size at read (midway failure)",
+ .run = mmc_test_multi_xfersize_read,
+ },
+};
+
+static struct mutex mmc_test_lock;
+
+static void mmc_test_run(struct mmc_test_card *test)
+{
+ int i, ret;
+
+ printk(KERN_INFO "%s: Starting tests of card %s...\n",
+ mmc_hostname(test->card->host), mmc_card_id(test->card));
+
+ mmc_claim_host(test->card->host);
+
+ for (i = 0;i < ARRAY_SIZE(mmc_test_cases);i++) {
+ printk(KERN_INFO "%s: Test case %d. %s...\n",
+ mmc_hostname(test->card->host), i + 1,
+ mmc_test_cases[i].name);
+
+ if (mmc_test_cases[i].prepare) {
+ ret = mmc_test_cases[i].prepare(test);
+ if (ret) {
+ printk(KERN_INFO "%s: Result: Prepare "
+ "stage failed! (%d)\n",
+ mmc_hostname(test->card->host),
+ ret);
+ continue;
+ }
+ }
+
+ ret = mmc_test_cases[i].run(test);
+ switch (ret) {
+ case RESULT_OK:
+ printk(KERN_INFO "%s: Result: OK\n",
+ mmc_hostname(test->card->host));
+ break;
+ case RESULT_FAIL:
+ printk(KERN_INFO "%s: Result: FAILED\n",
+ mmc_hostname(test->card->host));
+ break;
+ case RESULT_UNSUP_HOST:
+ printk(KERN_INFO "%s: Result: UNSUPPORTED "
+ "(by host)\n",
+ mmc_hostname(test->card->host));
+ break;
+ case RESULT_UNSUP_CARD:
+ printk(KERN_INFO "%s: Result: UNSUPPORTED "
+ "(by card)\n",
+ mmc_hostname(test->card->host));
+ break;
+ default:
+ printk(KERN_INFO "%s: Result: ERROR (%d)\n",
+ mmc_hostname(test->card->host), ret);
+ }
+
+ if (mmc_test_cases[i].cleanup) {
+ ret = mmc_test_cases[i].cleanup(test);
+ if (ret) {
+ printk(KERN_INFO "%s: Warning: Cleanup "
+ "stage failed! (%d)\n",
+ mmc_hostname(test->card->host),
+ ret);
+ }
+ }
+ }
+
+ mmc_release_host(test->card->host);
+
+ printk(KERN_INFO "%s: Tests completed.\n",
+ mmc_hostname(test->card->host));
+}
+
+static ssize_t mmc_test_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ mutex_lock(&mmc_test_lock);
+ mutex_unlock(&mmc_test_lock);
+
+ return 0;
+}
+
+static ssize_t mmc_test_store(struct device *dev,
+ struct device_attribute *attr, const char *buf, size_t count)
+{
+ struct mmc_card *card;
+ struct mmc_test_card *test;
+
+ card = container_of(dev, struct mmc_card, dev);
+
+ test = kzalloc(sizeof(struct mmc_test_card), GFP_KERNEL);
+ if (!test)
+ return -ENOMEM;
+
+ test->card = card;
+
+ test->buffer = kzalloc(BUFFER_SIZE, GFP_KERNEL);
+ if (test->buffer) {
+ mutex_lock(&mmc_test_lock);
+ mmc_test_run(test);
+ mutex_unlock(&mmc_test_lock);
+ }
+
+ kfree(test->buffer);
+ kfree(test);
+
+ return count;
+}
+
+static DEVICE_ATTR(test, S_IWUSR | S_IRUGO, mmc_test_show, mmc_test_store);
+
+static int mmc_test_probe(struct mmc_card *card)
+{
+ int ret;
+
+ mutex_init(&mmc_test_lock);
+
+ ret = device_create_file(&card->dev, &dev_attr_test);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
+static void mmc_test_remove(struct mmc_card *card)
+{
+ device_remove_file(&card->dev, &dev_attr_test);
+}
+
+static struct mmc_driver mmc_driver = {
+ .drv = {
+ .name = "mmc_test",
+ },
+ .probe = mmc_test_probe,
+ .remove = mmc_test_remove,
+};
+
+static int __init mmc_test_init(void)
+{
+ return mmc_register_driver(&mmc_driver);
+}
+
+static void __exit mmc_test_exit(void)
+{
+ mmc_unregister_driver(&mmc_driver);
+}
+
+module_init(mmc_test_init);
+module_exit(mmc_test_exit);
+
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Multimedia Card (MMC) host test driver");
+MODULE_AUTHOR("Pierre Ossman");
projects / linux-2.6 / commitdiff