summaryrefslogtreecommitdiff
path: root/drivers/ufs
diff options
context:
space:
mode:
Diffstat (limited to 'drivers/ufs')
-rw-r--r--drivers/ufs/core/ufshcd.c7
-rw-r--r--drivers/ufs/host/ufshcd-pci.c17
2 files changed, 15 insertions, 9 deletions
diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 3bc0709a5dc2..6bc679d22927 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -8326,6 +8326,7 @@ static struct scsi_host_template ufshcd_driver_template = {
.cmd_per_lun = UFSHCD_CMD_PER_LUN,
.can_queue = UFSHCD_CAN_QUEUE,
.max_segment_size = PRDT_DATA_BYTE_COUNT_MAX,
+ .max_sectors = (1 << 20) / SECTOR_SIZE, /* 1 MiB */
.max_host_blocked = 1,
.track_queue_depth = 1,
.sdev_groups = ufshcd_driver_groups,
@@ -9508,12 +9509,8 @@ EXPORT_SYMBOL(ufshcd_runtime_resume);
int ufshcd_shutdown(struct ufs_hba *hba)
{
if (ufshcd_is_ufs_dev_poweroff(hba) && ufshcd_is_link_off(hba))
- goto out;
-
- pm_runtime_get_sync(hba->dev);
+ ufshcd_suspend(hba);
- ufshcd_suspend(hba);
-out:
hba->is_powered = false;
/* allow force shutdown even in case of errors */
return 0;
diff --git a/drivers/ufs/host/ufshcd-pci.c b/drivers/ufs/host/ufshcd-pci.c
index 24af1f389bf2..1c91f43e15c8 100644
--- a/drivers/ufs/host/ufshcd-pci.c
+++ b/drivers/ufs/host/ufshcd-pci.c
@@ -24,7 +24,7 @@ struct ufs_host {
void (*late_init)(struct ufs_hba *hba);
};
-enum {
+enum intel_ufs_dsm_func_id {
INTEL_DSM_FNS = 0,
INTEL_DSM_RESET = 1,
};
@@ -42,6 +42,15 @@ static const guid_t intel_dsm_guid =
GUID_INIT(0x1A4832A0, 0x7D03, 0x43CA,
0xB0, 0x20, 0xF6, 0xDC, 0xD1, 0x2A, 0x19, 0x50);
+static bool __intel_dsm_supported(struct intel_host *host,
+ enum intel_ufs_dsm_func_id fn)
+{
+ return fn < 32 && fn >= 0 && (host->dsm_fns & (1u << fn));
+}
+
+#define INTEL_DSM_SUPPORTED(host, name) \
+ __intel_dsm_supported(host, INTEL_DSM_##name)
+
static int __intel_dsm(struct intel_host *intel_host, struct device *dev,
unsigned int fn, u32 *result)
{
@@ -71,7 +80,7 @@ out:
static int intel_dsm(struct intel_host *intel_host, struct device *dev,
unsigned int fn, u32 *result)
{
- if (fn > 31 || !(intel_host->dsm_fns & (1 << fn)))
+ if (!__intel_dsm_supported(intel_host, fn))
return -EOPNOTSUPP;
return __intel_dsm(intel_host, dev, fn, result);
@@ -300,7 +309,7 @@ static int ufs_intel_device_reset(struct ufs_hba *hba)
{
struct intel_host *host = ufshcd_get_variant(hba);
- if (host->dsm_fns & INTEL_DSM_RESET) {
+ if (INTEL_DSM_SUPPORTED(host, RESET)) {
u32 result = 0;
int err;
@@ -342,7 +351,7 @@ static int ufs_intel_common_init(struct ufs_hba *hba)
return -ENOMEM;
ufshcd_set_variant(hba, host);
intel_dsm_init(host, hba->dev);
- if (host->dsm_fns & INTEL_DSM_RESET) {
+ if (INTEL_DSM_SUPPORTED(host, RESET)) {
if (hba->vops->device_reset)
hba->caps |= UFSHCD_CAP_DEEPSLEEP;
} else {