scsi: pm80xx: Increase timeout for pm80xx mpi_uninit_check (e90e2362) · Commits · 戴 / test

The function mpi_uninit_check takes longer for inbound doorbell register to be cleared. Increased the timeout substantially so that the driver does not fail to load. Link: https://lore.kernel.org/r/20191114100910.6153-7-deepak.ukey@microchip.com Acked-by:

drivers/scsi/pm8001/pm80xx_hwi.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -735,9 +735,9 @@ static int mpi_init_check(struct pm8001_hba_info *pm8001_ha)
		pm8001_cw32(pm8001_ha, 0, MSGU_IBDB_SET, SPCv_MSGU_CFG_TABLE_UPDATE);
		/* wait until Inbound DoorBell Clear Register toggled */
		if (IS_SPCV_12G(pm8001_ha->pdev)) {
		max_wait_count = 4 * 1000 * 1000;/* 4 sec */
		max_wait_count = SPCV_DOORBELL_CLEAR_TIMEOUT;
		} else {
		max_wait_count = 2 * 1000 * 1000;/* 2 sec */
		max_wait_count = SPC_DOORBELL_CLEAR_TIMEOUT;
		}
		do {
		udelay(1);

+3 −0

Original line number	Diff line number	Diff line
		@@ -220,6 +220,9 @@
		#define SAS_DOPNRJT_RTRY_TMO 128
		#define SAS_COPNRJT_RTRY_TMO 128

		#define SPCV_DOORBELL_CLEAR_TIMEOUT (30 * 1000 * 1000) /* 30 sec */
		#define SPC_DOORBELL_CLEAR_TIMEOUT (15 * 1000 * 1000) /* 15 sec */

		/*
		Making ORR bigger than IT NEXUS LOSS which is 2000000us = 2 second.
		Assuming a bigger value 3 second, 3000000/128 = 23437.5 where 128