Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit c2c62ebc authored by Ching Huang's avatar Ching Huang Committed by Martin K. Petersen
Browse files

scsi: arcmsr: Sleep to avoid CPU stuck too long for waiting adapter ready 



Sleep to avoid CPU stuck too long for waiting adapter ready.

Signed-off-by: default avatarChing Huang <ching2048@areca.com.tw>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent c4c1adb3

drivers/scsi/arcmsr/arcmsr_hba.c

+10 −0
Original line number Diff line number Diff line
@@ -3807,6 +3807,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) 
	case ACB_ADAPTER_TYPE_A: {

		struct MessageUnit_A __iomem *reg = acb->pmuA;

		do {

			if (!(acb->acb_flags & ACB_F_IOP_INITED))

				msleep(20);

			firmware_state = readl(&reg->outbound_msgaddr1);

		} while ((firmware_state & ARCMSR_OUTBOUND_MESG1_FIRMWARE_OK) == 0);

		}
@@ -3815,6 +3817,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) 
	case ACB_ADAPTER_TYPE_B: {

		struct MessageUnit_B *reg = acb->pmuB;

		do {

			if (!(acb->acb_flags & ACB_F_IOP_INITED))

				msleep(20);

			firmware_state = readl(reg->iop2drv_doorbell);

		} while ((firmware_state & ARCMSR_MESSAGE_FIRMWARE_OK) == 0);

		writel(ARCMSR_DRV2IOP_END_OF_INTERRUPT, reg->drv2iop_doorbell);
@@ -3823,6 +3827,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) 
	case ACB_ADAPTER_TYPE_C: {

		struct MessageUnit_C __iomem *reg = acb->pmuC;

		do {

			if (!(acb->acb_flags & ACB_F_IOP_INITED))

				msleep(20);

			firmware_state = readl(&reg->outbound_msgaddr1);

		} while ((firmware_state & ARCMSR_HBCMU_MESSAGE_FIRMWARE_OK) == 0);

		}
@@ -3830,6 +3836,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) 
	case ACB_ADAPTER_TYPE_D: {

		struct MessageUnit_D *reg = acb->pmuD;

		do {

			if (!(acb->acb_flags & ACB_F_IOP_INITED))

				msleep(20);

			firmware_state = readl(reg->outbound_msgaddr1);

		} while ((firmware_state &

			ARCMSR_ARC1214_MESSAGE_FIRMWARE_OK) == 0);
@@ -3838,6 +3846,8 @@ static void arcmsr_wait_firmware_ready(struct AdapterControlBlock *acb) 
	case ACB_ADAPTER_TYPE_E: {

		struct MessageUnit_E __iomem *reg = acb->pmuE;

		do {

			if (!(acb->acb_flags & ACB_F_IOP_INITED))

				msleep(20);

			firmware_state = readl(&reg->outbound_msgaddr1);

		} while ((firmware_state & ARCMSR_HBEMU_MESSAGE_FIRMWARE_OK) == 0);

		}