mmc: msm_sdcc: allow auto prog done detection
Multiblock write command may not always necessary prefixed with
CMD23 (SET_BLOCK_COUNT) or followed by CMD12 (STOP_TRANSMISSION).
So this patch will enable the auto_prog_done for such multi block
write transfers as well.
CRs-fixed: 365355
Change-Id: I45807840443a09e2aa9bbf8e5dd07a47a77e388b
Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
diff --git a/drivers/mmc/host/msm_sdcc.c b/drivers/mmc/host/msm_sdcc.c
index 40f0f33..4854614 100644
--- a/drivers/mmc/host/msm_sdcc.c
+++ b/drivers/mmc/host/msm_sdcc.c
@@ -376,8 +376,8 @@
{
host->curr.data = NULL;
host->curr.got_dataend = 0;
- host->curr.wait_for_auto_prog_done = 0;
- host->curr.got_auto_prog_done = 0;
+ host->curr.wait_for_auto_prog_done = false;
+ host->curr.got_auto_prog_done = false;
writel_relaxed(readl_relaxed(host->base + MMCIDATACTRL) &
(~(MCI_DPSM_ENABLE)), host->base + MMCIDATACTRL);
msmsdcc_sync_reg_wr(host); /* Allow the DPSM to be reset */
@@ -1118,7 +1118,7 @@
host->curr.xfer_remain = host->curr.xfer_size;
host->curr.data_xfered = 0;
host->curr.got_dataend = 0;
- host->curr.got_auto_prog_done = 0;
+ host->curr.got_auto_prog_done = false;
datactrl = MCI_DPSM_ENABLE | (data->blksz << 4);
@@ -1644,7 +1644,7 @@
host->curr.cmd = cmd;
} else {
host->prog_enable = 0;
- host->curr.wait_for_auto_prog_done = 0;
+ host->curr.wait_for_auto_prog_done = false;
if (host->dummy_52_needed)
host->dummy_52_needed = 0;
if (cmd->data && cmd->error)
@@ -1808,7 +1808,7 @@
/* Check for prog done */
if (host->curr.wait_for_auto_prog_done &&
(status & MCI_PROGDONE))
- host->curr.got_auto_prog_done = 1;
+ host->curr.got_auto_prog_done = true;
/* Check for data done */
if (!host->curr.got_dataend && (status & MCI_DATAEND))
@@ -2026,35 +2026,26 @@
msecs_to_jiffies(host->curr.req_tout_ms)));
host->curr.mrq = mrq;
+ if (mrq->sbc) {
+ mrq->sbc->mrq = mrq;
+ mrq->sbc->data = mrq->data;
+ }
+
if (mrq->data && (mrq->data->flags & MMC_DATA_WRITE)) {
- if (mrq->cmd->opcode == SD_IO_RW_EXTENDED ||
- mrq->cmd->opcode == 54) {
- if (!host->sdcc_version)
+ if (host->sdcc_version) {
+ if (!mrq->stop)
+ host->curr.wait_for_auto_prog_done = true;
+ } else {
+ if ((mrq->cmd->opcode == SD_IO_RW_EXTENDED) ||
+ (mrq->cmd->opcode == 54))
host->dummy_52_needed = 1;
- else
- /*
- * SDCCv4 supports AUTO_PROG_DONE bit for SDIO
- * write operations using CMD53 and CMD54.
- * Setting this bit with CMD53 would
- * automatically triggers PROG_DONE interrupt
- * without the need of sending dummy CMD52.
- */
- host->curr.wait_for_auto_prog_done = 1;
- } else if (mrq->cmd->opcode == MMC_WRITE_BLOCK &&
- host->sdcc_version) {
- host->curr.wait_for_auto_prog_done = 1;
}
+
if ((mrq->cmd->opcode == MMC_WRITE_BLOCK) ||
(mrq->cmd->opcode == MMC_WRITE_MULTIPLE_BLOCK))
host->curr.use_wr_data_pend = true;
}
- if (mrq->data && mrq->sbc) {
- mrq->sbc->mrq = mrq;
- mrq->sbc->data = mrq->data;
- if (mrq->data->flags & MMC_DATA_WRITE)
- host->curr.wait_for_auto_prog_done = 1;
- }
msmsdcc_request_start(host, mrq);
spin_unlock_irqrestore(&host->lock, flags);
@@ -4595,7 +4586,7 @@
}
} else {
host->prog_enable = 0;
- host->curr.wait_for_auto_prog_done = 0;
+ host->curr.wait_for_auto_prog_done = false;
msmsdcc_reset_and_restore(host);
msmsdcc_request_end(host, mrq);
}
diff --git a/drivers/mmc/host/msm_sdcc.h b/drivers/mmc/host/msm_sdcc.h
index 14677c6..0c53102 100644
--- a/drivers/mmc/host/msm_sdcc.h
+++ b/drivers/mmc/host/msm_sdcc.h
@@ -293,8 +293,8 @@
unsigned int xfer_remain; /* Bytes remaining to send */
unsigned int data_xfered; /* Bytes acked by BLKEND irq */
int got_dataend;
- int wait_for_auto_prog_done;
- int got_auto_prog_done;
+ bool wait_for_auto_prog_done;
+ bool got_auto_prog_done;
bool use_wr_data_pend;
int user_pages;
u32 req_tout_ms;