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mmc: block: move packed command struct init

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By moving the mmc_packed_init() and mmc_packed_clean() into the
only file in the kernel where they are used, we save two exported
functions and can staticize those to the block.c file.

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
This commit is contained in:
Linus Walleij 2016-11-18 13:36:16 +01:00 committed by Ulf Hansson
parent 7db3028e00
commit e01071dd2b
3 changed files with 43 additions and 46 deletions
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43
drivers/mmc/card/block.c
View File

@ -1433,6 +1433,49 @@ static enum mmc_blk_status mmc_blk_err_check(struct mmc_card *card,
return MMC_BLK_SUCCESS;
}
static int mmc_packed_init(struct mmc_queue *mq, struct mmc_card *card)
{
struct mmc_queue_req *mqrq_cur = &mq->mqrq[0];
struct mmc_queue_req *mqrq_prev = &mq->mqrq[1];
int ret = 0;
mqrq_cur->packed = kzalloc(sizeof(struct mmc_packed), GFP_KERNEL);
if (!mqrq_cur->packed) {
pr_warn("%s: unable to allocate packed cmd for mqrq_cur\n",
mmc_card_name(card));
ret = -ENOMEM;
goto out;
}
mqrq_prev->packed = kzalloc(sizeof(struct mmc_packed), GFP_KERNEL);
if (!mqrq_prev->packed) {
pr_warn("%s: unable to allocate packed cmd for mqrq_prev\n",
mmc_card_name(card));
kfree(mqrq_cur->packed);
mqrq_cur->packed = NULL;
ret = -ENOMEM;
goto out;
}
INIT_LIST_HEAD(&mqrq_cur->packed->list);
INIT_LIST_HEAD(&mqrq_prev->packed->list);
out:
return ret;
}
static void mmc_packed_clean(struct mmc_queue *mq)
{
struct mmc_queue_req *mqrq_cur = &mq->mqrq[0];
struct mmc_queue_req *mqrq_prev = &mq->mqrq[1];
kfree(mqrq_cur->packed);
mqrq_cur->packed = NULL;
kfree(mqrq_prev->packed);
mqrq_prev->packed = NULL;
}
static enum mmc_blk_status mmc_blk_packed_err_check(struct mmc_card *card,
struct mmc_async_req *areq)
{

43
drivers/mmc/card/queue.c
View File

@ -362,49 +362,6 @@ void mmc_cleanup_queue(struct mmc_queue *mq)
}
EXPORT_SYMBOL(mmc_cleanup_queue);
int mmc_packed_init(struct mmc_queue *mq, struct mmc_card *card)
{
struct mmc_queue_req *mqrq_cur = &mq->mqrq[0];
struct mmc_queue_req *mqrq_prev = &mq->mqrq[1];
int ret = 0;
mqrq_cur->packed = kzalloc(sizeof(struct mmc_packed), GFP_KERNEL);
if (!mqrq_cur->packed) {
pr_warn("%s: unable to allocate packed cmd for mqrq_cur\n",
mmc_card_name(card));
ret = -ENOMEM;
goto out;
}
mqrq_prev->packed = kzalloc(sizeof(struct mmc_packed), GFP_KERNEL);
if (!mqrq_prev->packed) {
pr_warn("%s: unable to allocate packed cmd for mqrq_prev\n",
mmc_card_name(card));
kfree(mqrq_cur->packed);
mqrq_cur->packed = NULL;
ret = -ENOMEM;
goto out;
}
INIT_LIST_HEAD(&mqrq_cur->packed->list);
INIT_LIST_HEAD(&mqrq_prev->packed->list);
out:
return ret;
}
void mmc_packed_clean(struct mmc_queue *mq)
{
struct mmc_queue_req *mqrq_cur = &mq->mqrq[0];
struct mmc_queue_req *mqrq_prev = &mq->mqrq[1];
kfree(mqrq_cur->packed);
mqrq_cur->packed = NULL;
kfree(mqrq_prev->packed);
mqrq_prev->packed = NULL;
}
/**
* mmc_queue_suspend - suspend a MMC request queue
* @mq: MMC queue to suspend

3
drivers/mmc/card/queue.h
View File

@ -76,9 +76,6 @@ extern unsigned int mmc_queue_map_sg(struct mmc_queue *,
extern void mmc_queue_bounce_pre(struct mmc_queue_req *);
extern void mmc_queue_bounce_post(struct mmc_queue_req *);
extern int mmc_packed_init(struct mmc_queue *, struct mmc_card *);
extern void mmc_packed_clean(struct mmc_queue *);
extern int mmc_access_rpmb(struct mmc_queue *);
#endif