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Commit 8dd7e3a5 authored by Joe Carnuccio's avatar Joe Carnuccio Committed by James Bottomley
Browse files

qla2xxx: Pause risc before manipulating risc semaphore. 



Signed-off-by: default avatarJoe Carnuccio <joe.carnuccio@qlogic.com>
Signed-off-by: default avatarHimanshu Madhani <himanshu.madhani@qlogic.com>
Signed-off-by: default avatarJames Bottomley <JBottomley@Odin.com>
parent cc790764

drivers/scsi/qla2xxx/qla_init.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -1282,6 +1282,9 @@ qla25xx_manipulate_risc_semaphore(scsi_qla_host_t *vha) 
	    vha->hw->pdev->subsystem_device != 0x0240)

	    vha->hw->pdev->subsystem_device != 0x0240)

		return;

		return;





	WRT_REG_DWORD(&vha->hw->iobase->isp24.hccr, HCCRX_SET_RISC_PAUSE);

	udelay(100);



attempt:

attempt:

	timeout_msec = TIMEOUT_SEMAPHORE;

	timeout_msec = TIMEOUT_SEMAPHORE;

	n = timeout_msec / delta_msec;

	n = timeout_msec / delta_msec;