From 4b6fb5312ea34feb1d6eba91d338a76194e42a51 Mon Sep 17 00:00:00 2001 From: Can Guo Date: Wed, 3 Jun 2020 13:10:50 +0800 Subject: [PATCH] scsi: ufs-qcom: Dump bus test and PHY registers only if sleep is allowed Dumping bus test and PHY registers needs to sleep a bit intermittently as there are too many of them. Skip them if it is called from contexts where sleep is not allowed. Change-Id: Ia6b77a66095b72749e2ee85a2d97fb9608867a0b Signed-off-by: Can Guo --- drivers/scsi/ufs/ufs-qcom.c | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c index b4217f45ac9a..62a812c1450d 100644 --- a/drivers/scsi/ufs/ufs-qcom.c +++ b/drivers/scsi/ufs/ufs-qcom.c @@ -2778,14 +2778,17 @@ static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba) /* sleep a bit intermittently as we are dumping too much data */ ufs_qcom_print_hw_debug_reg_all(hba, NULL, ufs_qcom_dump_regs_wrapper); - usleep_range(1000, 1100); - ufs_qcom_testbus_read(hba); - usleep_range(1000, 1100); - ufs_qcom_print_unipro_testbus(hba); - usleep_range(1000, 1100); - ufs_qcom_print_utp_hci_testbus(hba); - usleep_range(1000, 1100); - ufs_qcom_phy_dbg_register_dump(phy); + + if (in_task()) { + usleep_range(1000, 1100); + ufs_qcom_testbus_read(hba); + usleep_range(1000, 1100); + ufs_qcom_print_unipro_testbus(hba); + usleep_range(1000, 1100); + ufs_qcom_print_utp_hci_testbus(hba); + usleep_range(1000, 1100); + ufs_qcom_phy_dbg_register_dump(phy); + } } /*