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-rw-r--r--drivers/mmc/core/sd.c20
-rw-r--r--drivers/video/fbdev/msm/mdss_mdp_ctl.c7
-rw-r--r--sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c8
-rw-r--r--sound/soc/msm/qdsp6v2/q6asm.c10
4 files changed, 37 insertions, 8 deletions
diff --git a/drivers/mmc/core/sd.c b/drivers/mmc/core/sd.c
index 65d7dbe1dea4..2aa04b6bdfb3 100644
--- a/drivers/mmc/core/sd.c
+++ b/drivers/mmc/core/sd.c
@@ -335,6 +335,7 @@ static int mmc_read_switch(struct mmc_card *card)
card->sw_caps.sd3_bus_mode = status[13];
/* Driver Strengths supported by the card */
card->sw_caps.sd3_drv_type = status[9];
+ card->sw_caps.sd3_curr_limit = status[7] | status[6] << 8;
}
out:
@@ -557,14 +558,25 @@ static int sd_set_current_limit(struct mmc_card *card, u8 *status)
* when we set current limit to 200ma, the card will draw 200ma, and
* when we set current limit to 400/600/800ma, the card will draw its
* maximum 300ma from the host.
+ *
+ * The above is incorrect: if we try to set a current limit that is
+ * not supported by the card, the card can rightfully error out the
+ * attempt, and remain at the default current limit. This results
+ * in a 300mA card being limited to 200mA even though the host
+ * supports 800mA. Failures seen with SanDisk 8GB UHS cards with
+ * an iMX6 host. --rmk
*/
- if (max_current >= 800)
+ if (max_current >= 800 &&
+ card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_800)
current_limit = SD_SET_CURRENT_LIMIT_800;
- else if (max_current >= 600)
+ else if (max_current >= 600 &&
+ card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_600)
current_limit = SD_SET_CURRENT_LIMIT_600;
- else if (max_current >= 400)
+ else if (max_current >= 400 &&
+ card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_400)
current_limit = SD_SET_CURRENT_LIMIT_400;
- else if (max_current >= 200)
+ else if (max_current >= 200 &&
+ card->sw_caps.sd3_curr_limit & SD_MAX_CURRENT_200)
current_limit = SD_SET_CURRENT_LIMIT_200;
if (current_limit != SD_SET_CURRENT_NO_CHANGE) {
diff --git a/drivers/video/fbdev/msm/mdss_mdp_ctl.c b/drivers/video/fbdev/msm/mdss_mdp_ctl.c
index 54fb21a5f35d..632d73e909a3 100644
--- a/drivers/video/fbdev/msm/mdss_mdp_ctl.c
+++ b/drivers/video/fbdev/msm/mdss_mdp_ctl.c
@@ -1,4 +1,4 @@
-/* Copyright (c) 2012-2017, The Linux Foundation. All rights reserved.
+/* Copyright (c) 2012-2018, The Linux Foundation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 and
@@ -5912,9 +5912,7 @@ int mdss_mdp_display_commit(struct mdss_mdp_ctl *ctl, void *arg,
} else {
sctl_flush_bits = sctl->flush_bits;
}
- sctl->commit_in_progress = true;
}
- ctl->commit_in_progress = true;
ctl_flush_bits = ctl->flush_bits;
ATRACE_END("postproc_programming");
@@ -5928,6 +5926,9 @@ int mdss_mdp_display_commit(struct mdss_mdp_ctl *ctl, void *arg,
MDP_COMMIT_STAGE_SETUP_DONE,
commit_cb->data);
ret = mdss_mdp_ctl_notify(ctl, MDP_NOTIFY_FRAME_READY);
+ ctl->commit_in_progress = true;
+ if (sctl)
+ sctl->commit_in_progress = true;
/*
* When wait for fence timed out, driver ignores the fences
diff --git a/sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c b/sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c
index 476789c67535..15f4b49749a1 100644
--- a/sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c
+++ b/sound/soc/msm/qdsp6v2/msm-pcm-loopback-v2.c
@@ -416,6 +416,12 @@ static int msm_pcm_prepare(struct snd_pcm_substream *substream)
dev_dbg(rtd->platform->dev, "%s: ASM loopback stream:%d\n",
__func__, substream->stream);
+
+ if (pcm->playback_start && pcm->capture_start) {
+ mutex_unlock(&pcm->lock);
+ return ret;
+ }
+
if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
if (!pcm->playback_start)
pcm->playback_start = 1;
@@ -424,7 +430,7 @@ static int msm_pcm_prepare(struct snd_pcm_substream *substream)
pcm->capture_start = 1;
}
- if (pcm->instance == 2) {
+ if (pcm->playback_start && pcm->capture_start) {
struct snd_soc_pcm_runtime *soc_pcm_rx =
pcm->playback_substream->private_data;
struct snd_soc_pcm_runtime *soc_pcm_tx =
diff --git a/sound/soc/msm/qdsp6v2/q6asm.c b/sound/soc/msm/qdsp6v2/q6asm.c
index 07c2bcf4c002..9e14b341448a 100644
--- a/sound/soc/msm/qdsp6v2/q6asm.c
+++ b/sound/soc/msm/qdsp6v2/q6asm.c
@@ -287,6 +287,11 @@ static ssize_t audio_output_latency_dbgfs_read(struct file *file,
pr_err("%s: out_buffer is null\n", __func__);
return 0;
}
+ if (count < OUT_BUFFER_SIZE) {
+ pr_err("%s: read size %d exceeds buf size %zd\n", __func__,
+ OUT_BUFFER_SIZE, count);
+ return 0;
+ }
snprintf(out_buffer, OUT_BUFFER_SIZE, "%ld,%ld,%ld,%ld,%ld,%ld,",\
out_cold_tv.tv_sec, out_cold_tv.tv_usec, out_warm_tv.tv_sec,\
out_warm_tv.tv_usec, out_cont_tv.tv_sec, out_cont_tv.tv_usec);
@@ -340,6 +345,11 @@ static ssize_t audio_input_latency_dbgfs_read(struct file *file,
pr_err("%s: in_buffer is null\n", __func__);
return 0;
}
+ if (count < IN_BUFFER_SIZE) {
+ pr_err("%s: read size %d exceeds buf size %zd\n", __func__,
+ IN_BUFFER_SIZE, count);
+ return 0;
+ }
snprintf(in_buffer, IN_BUFFER_SIZE, "%ld,%ld,",\
in_cont_tv.tv_sec, in_cont_tv.tv_usec);
return simple_read_from_buffer(buf, IN_BUFFER_SIZE, ppos,