Now that there is host->data_cmd to record the command for which a data
interrupt is expected, it is possible to determine whether a command with
busy signaling has completed without an extra flag. So host->busy_handle
is not needed. Remove it.
Signed-off-by: Adrian Hunter <adrian.hunter@xxxxxxxxx>
---
drivers/mmc/host/sdhci.c | 14 ++++++--------
drivers/mmc/host/sdhci.h | 1 -
2 files changed, 6 insertions(+), 9 deletions(-)
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index c9456bd603a9..1f2c4a71ccec 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -1014,7 +1014,6 @@ void sdhci_send_command(struct sdhci_host *host, struct mmc_command *cmd)
mod_timer(&host->timer, timeout);
host->cmd = cmd;
- host->busy_handle = 0;
if (cmd->data || cmd->flags & MMC_RSP_BUSY) {
WARN_ON(host->data_cmd);
host->data_cmd = cmd;
@@ -1094,9 +1093,8 @@ static void sdhci_finish_command(struct sdhci_host *host)
if (cmd->data) {
DBG("Cannot wait for busy signal when also doing a data transfer");
} else if (!(host->quirks & SDHCI_QUIRK_NO_BUSY_IRQ) &&
- !host->busy_handle) {
- /* Mark that command complete before busy is ended */
- host->busy_handle = 1;
+ cmd == host->data_cmd) {
+ /* Command complete before busy is ended */
return;
}
}
@@ -2393,10 +2391,10 @@ static void sdhci_data_irq(struct sdhci_host *host, u32 intmask)
* before the command completed, so make
* sure we do things in the proper order.
*/
- if (host->busy_handle)
- tasklet_schedule(&host->finish_tasklet);
- else
- host->busy_handle = 1;
+ if (host->cmd == data_cmd)
+ return;
+
+ tasklet_schedule(&host->finish_tasklet);
return;
}
}
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index 6e971709c9df..13e0bd6cff5d 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -469,7 +469,6 @@ struct sdhci_host {
struct mmc_command *data_cmd; /* Current data command */
struct mmc_data *data; /* Current data request */
unsigned int data_early:1; /* Data finished before cmd */
- unsigned int busy_handle:1; /* Handling the order of Busy-end */
struct sg_mapping_iter sg_miter; /* SG state for PIO */
unsigned int blocks; /* remaining PIO blocks */
--
1.9.1
--
To unsubscribe from this list: send the line "unsubscribe linux-mmc" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
