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path: root/drivers/mmc/core
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Diffstat (limited to 'drivers/mmc/core')
-rw-r--r--drivers/mmc/core/block.c2
-rw-r--r--drivers/mmc/core/core.c12
-rw-r--r--drivers/mmc/core/mmc_ops.c25
-rw-r--r--drivers/mmc/core/sd.c12
4 files changed, 28 insertions, 23 deletions
diff --git a/drivers/mmc/core/block.c b/drivers/mmc/core/block.c
index bab3f07b1117..cb1698f268f1 100644
--- a/drivers/mmc/core/block.c
+++ b/drivers/mmc/core/block.c
@@ -43,7 +43,7 @@
#include <linux/mmc/mmc.h>
#include <linux/mmc/sd.h>
-#include <asm/uaccess.h>
+#include <linux/uaccess.h>
#include "queue.h"
#include "block.h"
diff --git a/drivers/mmc/core/core.c b/drivers/mmc/core/core.c
index 543eadd230e5..1076b9d89df3 100644
--- a/drivers/mmc/core/core.c
+++ b/drivers/mmc/core/core.c
@@ -496,8 +496,7 @@ static int __mmc_start_req(struct mmc_host *host, struct mmc_request *mrq)
* Returns enum mmc_blk_status after checking errors.
*/
static enum mmc_blk_status mmc_wait_for_data_req_done(struct mmc_host *host,
- struct mmc_request *mrq,
- struct mmc_async_req *next_req)
+ struct mmc_request *mrq)
{
struct mmc_command *cmd;
struct mmc_context_info *context_info = &host->context_info;
@@ -507,7 +506,7 @@ static enum mmc_blk_status mmc_wait_for_data_req_done(struct mmc_host *host,
wait_event_interruptible(context_info->wait,
(context_info->is_done_rcv ||
context_info->is_new_req));
- context_info->is_waiting_last_req = false;
+
if (context_info->is_done_rcv) {
context_info->is_done_rcv = false;
cmd = mrq->cmd;
@@ -527,10 +526,9 @@ static enum mmc_blk_status mmc_wait_for_data_req_done(struct mmc_host *host,
__mmc_start_request(host, mrq);
continue; /* wait for done/new event again */
}
- } else if (context_info->is_new_req) {
- if (!next_req)
- return MMC_BLK_NEW_REQUEST;
}
+
+ return MMC_BLK_NEW_REQUEST;
}
mmc_retune_release(host);
return status;
@@ -660,7 +658,7 @@ struct mmc_async_req *mmc_start_req(struct mmc_host *host,
mmc_pre_req(host, areq->mrq);
if (host->areq) {
- status = mmc_wait_for_data_req_done(host, host->areq->mrq, areq);
+ status = mmc_wait_for_data_req_done(host, host->areq->mrq);
if (status == MMC_BLK_NEW_REQUEST) {
if (ret_stat)
*ret_stat = status;
diff --git a/drivers/mmc/core/mmc_ops.c b/drivers/mmc/core/mmc_ops.c
index b11c3455b040..e6ea8503f40c 100644
--- a/drivers/mmc/core/mmc_ops.c
+++ b/drivers/mmc/core/mmc_ops.c
@@ -506,9 +506,6 @@ static int mmc_poll_for_busy(struct mmc_card *card, unsigned int timeout_ms,
}
} while (busy);
- if (host->ops->card_busy && send_status)
- return mmc_switch_status(card);
-
return 0;
}
@@ -577,24 +574,26 @@ int __mmc_switch(struct mmc_card *card, u8 set, u8 index, u8 value,
if (!use_busy_signal)
goto out;
- /* Switch to new timing before poll and check switch status. */
- if (timing)
- mmc_set_timing(host, timing);
-
/*If SPI or used HW busy detection above, then we don't need to poll. */
if (((host->caps & MMC_CAP_WAIT_WHILE_BUSY) && use_r1b_resp) ||
- mmc_host_is_spi(host)) {
- if (send_status)
- err = mmc_switch_status(card);
+ mmc_host_is_spi(host))
goto out_tim;
- }
/* Let's try to poll to find out when the command is completed. */
err = mmc_poll_for_busy(card, timeout_ms, send_status, retry_crc_err);
+ if (err)
+ goto out;
out_tim:
- if (err && timing)
- mmc_set_timing(host, old_timing);
+ /* Switch to new timing before check switch status. */
+ if (timing)
+ mmc_set_timing(host, timing);
+
+ if (send_status) {
+ err = mmc_switch_status(card);
+ if (err && timing)
+ mmc_set_timing(host, old_timing);
+ }
out:
mmc_retune_release(host);
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index deb90c2ff6b4..a614f37faf27 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -223,6 +223,7 @@ static int mmc_decode_scr(struct mmc_card *card)
static int mmc_read_ssr(struct mmc_card *card)
{
unsigned int au, es, et, eo;
+ u32 *raw_ssr;
int i;
if (!(card->csd.cmdclass & CCC_APP_SPEC)) {
@@ -231,14 +232,21 @@ static int mmc_read_ssr(struct mmc_card *card)
return 0;
}
- if (mmc_app_sd_status(card, card->raw_ssr)) {
+ raw_ssr = kmalloc(sizeof(card->raw_ssr), GFP_KERNEL);
+ if (!raw_ssr)
+ return -ENOMEM;
+
+ if (mmc_app_sd_status(card, raw_ssr)) {
pr_warn("%s: problem reading SD Status register\n",
mmc_hostname(card->host));
+ kfree(raw_ssr);
return 0;
}
for (i = 0; i < 16; i++)
- card->raw_ssr[i] = be32_to_cpu(card->raw_ssr[i]);
+ card->raw_ssr[i] = be32_to_cpu(raw_ssr[i]);
+
+ kfree(raw_ssr);
/*
* UNSTUFF_BITS only works with four u32s so we have to offset the