Hi Dan, This seem like a false alarm, please let me know if it requires a fix. Thanks, Dolev -- Qualcomm Israel, on behalf of Qualcomm Innovation Center, Inc. The Qualcomm Innovation Center, Inc. is a member of the Code Aurora Forum, a Linux Foundation Collaborative Project -----Original Message----- From: Dan Carpenter [mailto:dan.carpenter@xxxxxxxxxx] Sent: Thursday, October 02, 2014 6:31 PM To: subhashj@xxxxxxxxxxxxxx Cc: linux-scsi@xxxxxxxxxxxxxxx Subject: re: ufs: add UFS power management support Hello Subhash Jadavani, The patch 57d104c153d3: "ufs: add UFS power management support" from Sep 25, 2014, leads to the following static checker warning: drivers/scsi/ufs/ufshcd.c:4746 ufshcd_link_state_transition() warn: we tested 'check_for_bkops' before and it was 'true' drivers/scsi/ufs/ufshcd.c 4734 if (req_link_state == UIC_LINK_HIBERN8_STATE) { 4735 ret = ufshcd_uic_hibern8_enter(hba); 4736 if (!ret) 4737 ufshcd_set_link_hibern8(hba); 4738 else 4739 goto out; 4740 } 4741 /* 4742 * If autobkops is enabled, link can't be turned off because 4743 * turning off the link would also turn off the device. 4744 */ 4745 else if ((req_link_state == UIC_LINK_OFF_STATE) && 4746 (!check_for_bkops || (check_for_bkops && ^^^^^^^^^^^^^^^ Not needed. 4747 !hba->auto_bkops_enabled))) { 4748 /* 4749 * Change controller state to "reset state" which 4750 * should also put the link in off/reset state 4751 */ 4752 ufshcd_hba_stop(hba); 4753 /* 4754 * TODO: Check if we need any delay to make sure that 4755 * controller is reset 4756 */ 4757 ufshcd_set_link_off(hba); 4758 } 4759 4760 out: 4761 return ret; 4762 } regards, dan carpenter -- To unsubscribe from this list: send the line "unsubscribe linux-scsi" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
