#include <linux/delay.h>
#include <linux/capability.h>
#include <linux/compat.h>
+#include <linux/pm_runtime.h>
-#define CREATE_TRACE_POINTS
-#include <trace/events/mmc.h>
#include <linux/mmc/ioctl.h>
#include <linux/mmc/card.h>
#define INAND_CMD38_ARG_SECTRIM1 0x81
#define INAND_CMD38_ARG_SECTRIM2 0x88
#define MMC_BLK_TIMEOUT_MS (10 * 60 * 1000) /* 10 minute timeout */
+#define MMC_SANITIZE_REQ_TIMEOUT 240000
+#define MMC_EXTRACT_INDEX_FROM_ARG(x) ((x & 0x00FF0000) >> 16)
#define mmc_req_rel_wr(req) (((req->cmd_flags & REQ_FUA) || \
(req->cmd_flags & REQ_META)) && \
md = mmc_blk_get(dev_to_disk(dev));
card = md->queue.card;
- mmc_claim_host(card->host);
+ mmc_get_card(card);
ret = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL, EXT_CSD_BOOT_WP,
card->ext_csd.boot_ro_lock |
else
card->ext_csd.boot_ro_lock |= EXT_CSD_BOOT_WP_B_PWR_WP_EN;
- mmc_release_host(card->host);
+ mmc_put_card(card);
if (!ret) {
pr_info("%s: Locking boot partition ro until next power on\n",
return err;
}
+static int ioctl_do_sanitize(struct mmc_card *card)
+{
+ int err;
+
+ if (!(mmc_can_sanitize(card) &&
+ (card->host->caps2 & MMC_CAP2_SANITIZE))) {
+ pr_warn("%s: %s - SANITIZE is not supported\n",
+ mmc_hostname(card->host), __func__);
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ pr_debug("%s: %s - SANITIZE IN PROGRESS...\n",
+ mmc_hostname(card->host), __func__);
+
+ err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
+ EXT_CSD_SANITIZE_START, 1,
+ MMC_SANITIZE_REQ_TIMEOUT);
+
+ if (err)
+ pr_err("%s: %s - EXT_CSD_SANITIZE_START failed. err=%d\n",
+ mmc_hostname(card->host), __func__, err);
+
+ pr_debug("%s: %s - SANITIZE COMPLETED\n", mmc_hostname(card->host),
+ __func__);
+out:
+ return err;
+}
+
static int mmc_blk_ioctl_cmd(struct block_device *bdev,
struct mmc_ioc_cmd __user *ic_ptr)
{
mrq.cmd = &cmd;
- mmc_claim_host(card->host);
+ mmc_get_card(card);
err = mmc_blk_part_switch(card, md);
if (err)
goto cmd_rel_host;
}
+ if ((MMC_EXTRACT_INDEX_FROM_ARG(cmd.arg) == EXT_CSD_SANITIZE_START) &&
+ (cmd.opcode == MMC_SWITCH)) {
+ err = ioctl_do_sanitize(card);
+
+ if (err)
+ pr_err("%s: ioctl_do_sanitize() failed. err = %d",
+ __func__, err);
+
+ goto cmd_rel_host;
+ }
+
mmc_wait_for_req(card->host, &mrq);
if (cmd.error) {
}
cmd_rel_host:
- mmc_release_host(card->host);
+ mmc_put_card(card);
cmd_done:
mmc_blk_put(md);
{
struct mmc_blk_data *md = mq->data;
struct mmc_card *card = md->queue.card;
- unsigned int from, nr, arg, trim_arg, erase_arg;
+ unsigned int from, nr, arg;
int err = 0, type = MMC_BLK_SECDISCARD;
- if (!(mmc_can_secure_erase_trim(card) || mmc_can_sanitize(card))) {
+ if (!(mmc_can_secure_erase_trim(card))) {
err = -EOPNOTSUPP;
goto out;
}
from = blk_rq_pos(req);
nr = blk_rq_sectors(req);
- /* The sanitize operation is supported at v4.5 only */
- if (mmc_can_sanitize(card)) {
- erase_arg = MMC_ERASE_ARG;
- trim_arg = MMC_TRIM_ARG;
- } else {
- erase_arg = MMC_SECURE_ERASE_ARG;
- trim_arg = MMC_SECURE_TRIM1_ARG;
- }
+ if (mmc_can_trim(card) && !mmc_erase_group_aligned(card, from, nr))
+ arg = MMC_SECURE_TRIM1_ARG;
+ else
+ arg = MMC_SECURE_ERASE_ARG;
- if (mmc_erase_group_aligned(card, from, nr))
- arg = erase_arg;
- else if (mmc_can_trim(card))
- arg = trim_arg;
- else {
- err = -EINVAL;
- goto out;
- }
retry:
if (card->quirks & MMC_QUIRK_INAND_CMD38) {
err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
goto out;
}
- if (mmc_can_sanitize(card)) {
- trace_mmc_blk_erase_start(EXT_CSD_SANITIZE_START, 0, 0);
- err = mmc_switch(card, EXT_CSD_CMD_SET_NORMAL,
- EXT_CSD_SANITIZE_START, 1, 0);
- trace_mmc_blk_erase_end(EXT_CSD_SANITIZE_START, 0, 0);
- }
out_retry:
if (err && !mmc_blk_reset(md, card->host, type))
goto retry;
if (req && !mq->mqrq_prev->req)
/* claim host only for the first request */
- mmc_claim_host(card->host);
+ mmc_get_card(card);
ret = mmc_blk_part_switch(card, md);
if (ret) {
* In case sepecial request, there is no reentry to
* the 'mmc_blk_issue_rq' with 'mqrq_prev->req'.
*/
- mmc_release_host(card->host);
+ mmc_put_card(card);
return ret;
}
struct mmc_card *card;
if (md) {
+ /*
+ * Flush remaining requests and free queues. It
+ * is freeing the queue that stops new requests
+ * from being accepted.
+ */
card = md->queue.card;
+ mmc_cleanup_queue(&md->queue);
+ if (md->flags & MMC_BLK_PACKED_CMD)
+ mmc_packed_clean(&md->queue);
if (md->disk->flags & GENHD_FL_UP) {
device_remove_file(disk_to_dev(md->disk), &md->force_ro);
if ((md->area_type & MMC_BLK_DATA_AREA_BOOT) &&
device_remove_file(disk_to_dev(md->disk),
&md->power_ro_lock);
- /* Stop new requests from getting into the queue */
del_gendisk(md->disk);
}
-
- /* Then flush out any already in there */
- mmc_cleanup_queue(&md->queue);
- if (md->flags & MMC_BLK_PACKED_CMD)
- mmc_packed_clean(&md->queue);
mmc_blk_put(md);
}
}
#define CID_MANFID_TOSHIBA 0x11
#define CID_MANFID_MICRON 0x13
#define CID_MANFID_SAMSUNG 0x15
+#define CID_MANFID_HYNIX 0x90
static const struct mmc_fixup blk_fixups[] =
{
MMC_FIXUP("VZL00M", CID_MANFID_SAMSUNG, CID_OEMID_ANY, add_quirk_mmc,
MMC_QUIRK_SEC_ERASE_TRIM_BROKEN),
+ /* Hynix 4.41 iNAND execute trim will lead boot up failed. */
+ MMC_FIXUP(CID_NAME_ANY, CID_MANFID_HYNIX, CID_OEMID_ANY, add_quirk_mmc,
+ MMC_QUIRK_TRIM_UNSTABLE),
+
END_FIXUP
};
+#if defined(CONFIG_MMC_DW_ROCKCHIP)
+extern struct mmc_card *this_card;
+#endif
+
static int mmc_blk_probe(struct mmc_card *card)
{
struct mmc_blk_data *md, *part_md;
#ifdef CONFIG_MMC_BLOCK_DEFERRED_RESUME
mmc_set_bus_resume_policy(card->host, 1);
+#endif
+#if defined(CONFIG_MMC_DW_ROCKCHIP)
+ if(card->host->restrict_caps & RESTRICT_CARD_TYPE_EMMC){
+ this_card = card;
+ md->disk->emmc_disk = 1;
+ }else {
+ md->disk->emmc_disk = 0;
+ }
#endif
if (mmc_add_disk(md))
goto out;
if (mmc_add_disk(part_md))
goto out;
}
+
+ pm_runtime_set_autosuspend_delay(&card->dev, 3000);
+ pm_runtime_use_autosuspend(&card->dev);
+
+ /*
+ * Don't enable runtime PM for SD-combo cards here. Leave that
+ * decision to be taken during the SDIO init sequence instead.
+ */
+ if (card->type != MMC_TYPE_SD_COMBO) {
+ pm_runtime_set_active(&card->dev);
+ pm_runtime_enable(&card->dev);
+ }
+
return 0;
out:
static void mmc_blk_remove(struct mmc_card *card)
{
struct mmc_blk_data *md = mmc_get_drvdata(card);
-
+
+#if defined(CONFIG_MMC_DW_ROCKCHIP)
+ if(card->host->restrict_caps & RESTRICT_CARD_TYPE_EMMC)
+ this_card = NULL;
+#endif
mmc_blk_remove_parts(card, md);
+ pm_runtime_get_sync(&card->dev);
mmc_claim_host(card->host);
mmc_blk_part_switch(card, md);
mmc_release_host(card->host);
+ if (card->type != MMC_TYPE_SD_COMBO)
+ pm_runtime_disable(&card->dev);
+ pm_runtime_put_noidle(&card->dev);
mmc_blk_remove_req(md);
mmc_set_drvdata(card, NULL);
#ifdef CONFIG_MMC_BLOCK_DEFERRED_RESUME
#endif
}
-#ifdef CONFIG_PM
-static int mmc_blk_suspend(struct mmc_card *card)
+static int _mmc_blk_suspend(struct mmc_card *card)
{
struct mmc_blk_data *part_md;
struct mmc_blk_data *md = mmc_get_drvdata(card);
return 0;
}
+static void mmc_blk_shutdown(struct mmc_card *card)
+{
+ _mmc_blk_suspend(card);
+}
+
+#ifdef CONFIG_PM
+static int mmc_blk_suspend(struct mmc_card *card)
+{
+ return _mmc_blk_suspend(card);
+}
+
static int mmc_blk_resume(struct mmc_card *card)
{
struct mmc_blk_data *part_md;
.remove = mmc_blk_remove,
.suspend = mmc_blk_suspend,
.resume = mmc_blk_resume,
+ .shutdown = mmc_blk_shutdown,
};
static int __init mmc_blk_init(void)
projects / firefly-linux-kernel-4.4.55.git / blobdiff