scsi: ufs-qcom: Remove testbus dump in ufs_qcom_dump_dbg_regs

Dumping testbus registers outputs a lot of information and can cause
stability issues. Remove the dump code.

Link: https://lore.kernel.org/r/1596975355-39813-4-git-send-email-cang@codeaurora.orgReviewed-by: Hongwu Su <hongwus@codeaurora.org>
Reviewed-by: Avri Altman <avri.altman@wdc.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Asutosh Das <asutoshd@codeaurora.org>
Signed-off-by: Can Guo <cang@codeaurora.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

drivers/scsi/ufs/ufs-qcom.c

@@ -1630,44 +1630,12 @@ int ufs_qcom_testbus_config(struct ufs_qcom_host *host)
 	return 0;
 }
 
-static void ufs_qcom_testbus_read(struct ufs_hba *hba)
-{
-	ufshcd_dump_regs(hba, UFS_TEST_BUS, 4, "UFS_TEST_BUS ");
-}
-
-static void ufs_qcom_print_unipro_testbus(struct ufs_hba *hba)
-{
-	struct ufs_qcom_host *host = ufshcd_get_variant(hba);
-	u32 *testbus = NULL;
-	int i, nminor = 256, testbus_len = nminor * sizeof(u32);
-
-	testbus = kmalloc(testbus_len, GFP_KERNEL);
-	if (!testbus)
-		return;
-
-	host->testbus.select_major = TSTBUS_UNIPRO;
-	for (i = 0; i < nminor; i++) {
-		host->testbus.select_minor = i;
-		ufs_qcom_testbus_config(host);
-		testbus[i] = ufshcd_readl(hba, UFS_TEST_BUS);
-	}
-	print_hex_dump(KERN_ERR, "UNIPRO_TEST_BUS ", DUMP_PREFIX_OFFSET,
-			16, 4, testbus, testbus_len, false);
-	kfree(testbus);
-}
-
 static void ufs_qcom_dump_dbg_regs(struct ufs_hba *hba)
 {
 	ufshcd_dump_regs(hba, REG_UFS_SYS1CLK_1US, 16 * 4,
 			 "HCI Vendor Specific Registers ");
 
-	/* 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);
-	udelay(1000);
-	ufs_qcom_testbus_read(hba);
-	udelay(1000);
-	ufs_qcom_print_unipro_testbus(hba);
-	udelay(1000);
 }
 
 /**