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path: root/sys/dev/ufshci/ufshci_uic_cmd.c
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Diffstat (limited to 'sys/dev/ufshci/ufshci_uic_cmd.c')
-rw-r--r--sys/dev/ufshci/ufshci_uic_cmd.c19
1 files changed, 18 insertions, 1 deletions
diff --git a/sys/dev/ufshci/ufshci_uic_cmd.c b/sys/dev/ufshci/ufshci_uic_cmd.c
index 2c5f635dc11e..b9c867ff7065 100644
--- a/sys/dev/ufshci/ufshci_uic_cmd.c
+++ b/sys/dev/ufshci/ufshci_uic_cmd.c
@@ -14,7 +14,7 @@
int
ufshci_uic_power_mode_ready(struct ufshci_controller *ctrlr)
{
- uint32_t is;
+ uint32_t is, hcs;
int timeout;
/* Wait for the IS flag to change */
@@ -40,6 +40,15 @@ ufshci_uic_power_mode_ready(struct ufshci_controller *ctrlr)
DELAY(10);
}
+ /* Check HCS power mode change request status */
+ hcs = ufshci_mmio_read_4(ctrlr, hcs);
+ if (UFSHCIV(UFSHCI_HCS_REG_UPMCRS, hcs) != 0x01) {
+ ufshci_printf(ctrlr,
+ "Power mode change request status error: 0x%x\n",
+ UFSHCIV(UFSHCI_HCS_REG_UPMCRS, hcs));
+ return (ENXIO);
+ }
+
return (0);
}
@@ -112,6 +121,7 @@ ufshci_uic_send_cmd(struct ufshci_controller *ctrlr,
struct ufshci_uic_cmd *uic_cmd, uint32_t *return_value)
{
int error;
+ uint32_t config_result_code;
mtx_lock(&ctrlr->uic_cmd_lock);
@@ -134,6 +144,13 @@ ufshci_uic_send_cmd(struct ufshci_controller *ctrlr,
if (error)
return (ENXIO);
+ config_result_code = ufshci_mmio_read_4(ctrlr, ucmdarg2);
+ if (config_result_code) {
+ ufshci_printf(ctrlr,
+ "Failed to send UIC command. (config result code = 0x%x)\n",
+ config_result_code);
+ }
+
if (return_value != NULL)
*return_value = ufshci_mmio_read_4(ctrlr, ucmdarg3);