From 3f06f7800b80462e8f6aadade6bb823496204e06 Mon Sep 17 00:00:00 2001
From: Bart Van Assche <bvanassche@acm.org>
Date: Tue, 19 Apr 2022 15:58:08 -0700
Subject: [PATCH] scsi: ufs: Minimize #include directives

Follow the convention that is used elsewhere in the Linux kernel source
code and only include those headers of which the declarations are used
directly.

Link: https://lore.kernel.org/r/20220419225811.4127248-26-bvanassche@acm.org
Tested-by: Bean Huo <beanhuo@micron.com>
Reviewed-by: Bean Huo <beanhuo@micron.com>
Signed-off-by: Bart Van Assche <bvanassche@acm.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
---
 drivers/scsi/ufs/cdns-pltfrm.c        |  1 +
 drivers/scsi/ufs/tc-dwc-g210-pci.c    |  1 +
 drivers/scsi/ufs/tc-dwc-g210-pltfrm.c |  1 +
 drivers/scsi/ufs/tc-dwc-g210.c        |  2 ++
 drivers/scsi/ufs/tc-dwc-g210.h        |  2 ++
 drivers/scsi/ufs/ufs-exynos.c         |  1 +
 drivers/scsi/ufs/ufs-hisi.c           |  2 ++
 drivers/scsi/ufs/ufs-mediatek.c       |  3 +++
 drivers/scsi/ufs/ufs-qcom-ice.c       |  1 +
 drivers/scsi/ufs/ufs-qcom.c           |  4 ++++
 drivers/scsi/ufs/ufs-sysfs.c          |  1 +
 drivers/scsi/ufs/ufs-sysfs.h          |  3 ++-
 drivers/scsi/ufs/ufs_bsg.c            |  5 +++++
 drivers/scsi/ufs/ufs_bsg.h            |  7 +------
 drivers/scsi/ufs/ufshcd-crypto.h      |  5 +++--
 drivers/scsi/ufs/ufshcd-dwc.c         |  2 ++
 drivers/scsi/ufs/ufshcd-dwc.h         |  2 ++
 drivers/scsi/ufs/ufshcd-pci.c         |  2 ++
 drivers/scsi/ufs/ufshcd-pltfrm.c      |  1 +
 drivers/scsi/ufs/ufshcd.c             |  9 +++++++++
 drivers/scsi/ufs/ufshcd.h             | 33 ++++-----------------------------
 drivers/scsi/ufs/ufshci.h             |  2 ++
 drivers/scsi/ufs/ufshpb.c             |  4 ++++
 23 files changed, 56 insertions(+), 38 deletions(-)

diff --git a/drivers/scsi/ufs/cdns-pltfrm.c b/drivers/scsi/ufs/cdns-pltfrm.c
index e91cf9f..e05c0ae 100644
--- a/drivers/scsi/ufs/cdns-pltfrm.c
+++ b/drivers/scsi/ufs/cdns-pltfrm.c
@@ -9,6 +9,7 @@
  *
  */
 
+#include <linux/clk.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
diff --git a/drivers/scsi/ufs/tc-dwc-g210-pci.c b/drivers/scsi/ufs/tc-dwc-g210-pci.c
index 7b08e2e..e635c21 100644
--- a/drivers/scsi/ufs/tc-dwc-g210-pci.c
+++ b/drivers/scsi/ufs/tc-dwc-g210-pci.c
@@ -11,6 +11,7 @@
 #include "ufshcd-dwc.h"
 #include "tc-dwc-g210.h"
 
+#include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/pm_runtime.h>
 
diff --git a/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c b/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
index 783ec43..f15a84d 100644
--- a/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
+++ b/drivers/scsi/ufs/tc-dwc-g210-pltfrm.c
@@ -12,6 +12,7 @@
 #include <linux/platform_device.h>
 #include <linux/of.h>
 #include <linux/delay.h>
+#include <linux/pm_runtime.h>
 
 #include "ufshcd-pltfrm.h"
 #include "ufshcd-dwc.h"
diff --git a/drivers/scsi/ufs/tc-dwc-g210.c b/drivers/scsi/ufs/tc-dwc-g210.c
index f954a68..7ef67c9 100644
--- a/drivers/scsi/ufs/tc-dwc-g210.c
+++ b/drivers/scsi/ufs/tc-dwc-g210.c
@@ -7,6 +7,8 @@
  * Authors: Joao Pinto <jpinto@synopsys.com>
  */
 
+#include <linux/module.h>
+
 #include "ufshcd.h"
 #include "unipro.h"
 
diff --git a/drivers/scsi/ufs/tc-dwc-g210.h b/drivers/scsi/ufs/tc-dwc-g210.h
index 5a506da..f715401 100644
--- a/drivers/scsi/ufs/tc-dwc-g210.h
+++ b/drivers/scsi/ufs/tc-dwc-g210.h
@@ -10,6 +10,8 @@
 #ifndef _TC_DWC_G210_H
 #define _TC_DWC_G210_H
 
+struct ufs_hba;
+
 int tc_dwc_g210_config_40_bit(struct ufs_hba *hba);
 int tc_dwc_g210_config_20_bit(struct ufs_hba *hba);
 
diff --git a/drivers/scsi/ufs/ufs-exynos.c b/drivers/scsi/ufs/ufs-exynos.c
index 0b99c74..ddb2d42 100644
--- a/drivers/scsi/ufs/ufs-exynos.c
+++ b/drivers/scsi/ufs/ufs-exynos.c
@@ -9,6 +9,7 @@
  */
 
 #include <linux/clk.h>
+#include <linux/delay.h>
 #include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
diff --git a/drivers/scsi/ufs/ufs-hisi.c b/drivers/scsi/ufs/ufs-hisi.c
index ab1a7eb..7046143 100644
--- a/drivers/scsi/ufs/ufs-hisi.c
+++ b/drivers/scsi/ufs/ufs-hisi.c
@@ -7,6 +7,8 @@
  */
 
 #include <linux/time.h>
+#include <linux/delay.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/dma-mapping.h>
diff --git a/drivers/scsi/ufs/ufs-mediatek.c b/drivers/scsi/ufs/ufs-mediatek.c
index 84ccb52..083d6bd 100644
--- a/drivers/scsi/ufs/ufs-mediatek.c
+++ b/drivers/scsi/ufs/ufs-mediatek.c
@@ -8,6 +8,9 @@
 
 #include <linux/arm-smccc.h>
 #include <linux/bitfield.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/of_address.h>
 #include <linux/of_device.h>
diff --git a/drivers/scsi/ufs/ufs-qcom-ice.c b/drivers/scsi/ufs/ufs-qcom-ice.c
index 921d6a9..745e48e 100644
--- a/drivers/scsi/ufs/ufs-qcom-ice.c
+++ b/drivers/scsi/ufs/ufs-qcom-ice.c
@@ -6,6 +6,7 @@
  * Copyright 2019 Google LLC
  */
 
+#include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/qcom_scm.h>
 
diff --git a/drivers/scsi/ufs/ufs-qcom.c b/drivers/scsi/ufs/ufs-qcom.c
index 150a831..d18bc53 100644
--- a/drivers/scsi/ufs/ufs-qcom.c
+++ b/drivers/scsi/ufs/ufs-qcom.c
@@ -5,6 +5,9 @@
 
 #include <linux/acpi.h>
 #include <linux/time.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/module.h>
 #include <linux/of.h>
 #include <linux/platform_device.h>
 #include <linux/phy/phy.h>
@@ -18,6 +21,7 @@
 #include "ufs-qcom.h"
 #include "ufshci.h"
 #include "ufs_quirks.h"
+
 #define UFS_QCOM_DEFAULT_DBG_PRINT_EN	\
 	(UFS_QCOM_DBG_PRINT_REGS_EN | UFS_QCOM_DBG_PRINT_TEST_BUS_EN)
 
diff --git a/drivers/scsi/ufs/ufs-sysfs.c b/drivers/scsi/ufs/ufs-sysfs.c
index 5c405ff..95a4e64 100644
--- a/drivers/scsi/ufs/ufs-sysfs.c
+++ b/drivers/scsi/ufs/ufs-sysfs.c
@@ -8,6 +8,7 @@
 
 #include "ufs.h"
 #include "ufs-sysfs.h"
+#include "ufshcd.h"
 
 static const char *ufshcd_uic_link_state_to_string(
 			enum uic_link_state state)
diff --git a/drivers/scsi/ufs/ufs-sysfs.h b/drivers/scsi/ufs/ufs-sysfs.h
index 0f4e750..8d94af3 100644
--- a/drivers/scsi/ufs/ufs-sysfs.h
+++ b/drivers/scsi/ufs/ufs-sysfs.h
@@ -7,11 +7,12 @@
 
 #include <linux/sysfs.h>
 
-#include "ufshcd.h"
+struct device;
 
 void ufs_sysfs_add_nodes(struct device *dev);
 void ufs_sysfs_remove_nodes(struct device *dev);
 
 extern const struct attribute_group ufs_sysfs_unit_descriptor_group;
 extern const struct attribute_group ufs_sysfs_lun_attributes_group;
+
 #endif
diff --git a/drivers/scsi/ufs/ufs_bsg.c b/drivers/scsi/ufs/ufs_bsg.c
index 39bf204..fbcdfb7 100644
--- a/drivers/scsi/ufs/ufs_bsg.c
+++ b/drivers/scsi/ufs/ufs_bsg.c
@@ -4,7 +4,12 @@
  *
  * Copyright (C) 2018 Western Digital Corporation
  */
+
+#include <linux/bsg-lib.h>
+#include <scsi/scsi.h>
+#include <scsi/scsi_host.h>
 #include "ufs_bsg.h"
+#include "ufshcd.h"
 
 static int ufs_bsg_get_query_desc_size(struct ufs_hba *hba, int *desc_len,
 				       struct utp_upiu_query *qr)
diff --git a/drivers/scsi/ufs/ufs_bsg.h b/drivers/scsi/ufs/ufs_bsg.h
index d099187..57712d2 100644
--- a/drivers/scsi/ufs/ufs_bsg.h
+++ b/drivers/scsi/ufs/ufs_bsg.h
@@ -5,12 +5,7 @@
 #ifndef UFS_BSG_H
 #define UFS_BSG_H
 
-#include <linux/bsg-lib.h>
-#include <scsi/scsi.h>
-#include <scsi/scsi_host.h>
-
-#include "ufshcd.h"
-#include "ufs.h"
+struct ufs_hba;
 
 #ifdef CONFIG_SCSI_UFS_BSG
 void ufs_bsg_remove(struct ufs_hba *hba);
diff --git a/drivers/scsi/ufs/ufshcd-crypto.h b/drivers/scsi/ufs/ufshcd-crypto.h
index e18c012..57dd512 100644
--- a/drivers/scsi/ufs/ufshcd-crypto.h
+++ b/drivers/scsi/ufs/ufshcd-crypto.h
@@ -6,9 +6,10 @@
 #ifndef _UFSHCD_CRYPTO_H
 #define _UFSHCD_CRYPTO_H
 
-#ifdef CONFIG_SCSI_UFS_CRYPTO
+#include <scsi/scsi_cmnd.h>
 #include "ufshcd.h"
-#include "ufshci.h"
+
+#ifdef CONFIG_SCSI_UFS_CRYPTO
 
 static inline void ufshcd_prepare_lrbp_crypto(struct request *rq,
 					      struct ufshcd_lrb *lrbp)
diff --git a/drivers/scsi/ufs/ufshcd-dwc.c b/drivers/scsi/ufs/ufshcd-dwc.c
index 5bb9d3a..a57973c 100644
--- a/drivers/scsi/ufs/ufshcd-dwc.c
+++ b/drivers/scsi/ufs/ufshcd-dwc.c
@@ -7,6 +7,8 @@
  * Authors: Joao Pinto <jpinto@synopsys.com>
  */
 
+#include <linux/module.h>
+
 #include "ufshcd.h"
 #include "unipro.h"
 
diff --git a/drivers/scsi/ufs/ufshcd-dwc.h b/drivers/scsi/ufs/ufshcd-dwc.h
index 4268ca2..43b7079 100644
--- a/drivers/scsi/ufs/ufshcd-dwc.h
+++ b/drivers/scsi/ufs/ufshcd-dwc.h
@@ -10,6 +10,8 @@
 #ifndef _UFSHCD_DWC_H
 #define _UFSHCD_DWC_H
 
+#include "ufshcd.h"
+
 struct ufshcd_dme_attr_val {
 	u32 attr_sel;
 	u32 mib_val;
diff --git a/drivers/scsi/ufs/ufshcd-pci.c b/drivers/scsi/ufs/ufshcd-pci.c
index 270ec67..20af2fb 100644
--- a/drivers/scsi/ufs/ufshcd-pci.c
+++ b/drivers/scsi/ufs/ufshcd-pci.c
@@ -10,6 +10,8 @@
  */
 
 #include "ufshcd.h"
+#include <linux/delay.h>
+#include <linux/module.h>
 #include <linux/pci.h>
 #include <linux/pm_runtime.h>
 #include <linux/pm_qos.h>
diff --git a/drivers/scsi/ufs/ufshcd-pltfrm.c b/drivers/scsi/ufs/ufshcd-pltfrm.c
index fc51911..f5313f4 100644
--- a/drivers/scsi/ufs/ufshcd-pltfrm.c
+++ b/drivers/scsi/ufs/ufshcd-pltfrm.c
@@ -8,6 +8,7 @@
  *	Vinayak Holikatti <h.vinayak@samsung.com>
  */
 
+#include <linux/module.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
 #include <linux/of.h>
diff --git a/drivers/scsi/ufs/ufshcd.c b/drivers/scsi/ufs/ufshcd.c
index ba6b35f..bac4ae6 100644
--- a/drivers/scsi/ufs/ufshcd.c
+++ b/drivers/scsi/ufs/ufshcd.c
@@ -16,7 +16,16 @@
 #include <linux/bitfield.h>
 #include <linux/blk-pm.h>
 #include <linux/blkdev.h>
+#include <linux/clk.h>
+#include <linux/delay.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/nls.h>
+#include <linux/regulator/consumer.h>
+#include <scsi/scsi_cmnd.h>
+#include <scsi/scsi_dbg.h>
 #include <scsi/scsi_driver.h>
+#include <scsi/scsi_eh.h>
 #include "ufshcd.h"
 #include "ufs_quirks.h"
 #include "unipro.h"
diff --git a/drivers/scsi/ufs/ufshcd.h b/drivers/scsi/ufs/ufshcd.h
index b42ed2f..ca36d83 100644
--- a/drivers/scsi/ufs/ufshcd.h
+++ b/drivers/scsi/ufs/ufshcd.h
@@ -12,38 +12,13 @@
 #ifndef _UFSHCD_H
 #define _UFSHCD_H
 
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/interrupt.h>
-#include <linux/io.h>
-#include <linux/delay.h>
-#include <linux/slab.h>
-#include <linux/spinlock.h>
-#include <linux/rwsem.h>
-#include <linux/workqueue.h>
-#include <linux/errno.h>
-#include <linux/types.h>
-#include <linux/wait.h>
-#include <linux/bitops.h>
-#include <linux/pm_runtime.h>
-#include <linux/clk.h>
-#include <linux/completion.h>
-#include <linux/regulator/consumer.h>
 #include <linux/bitfield.h>
-#include <linux/devfreq.h>
 #include <linux/blk-crypto-profile.h>
+#include <linux/blk-mq.h>
+#include <linux/devfreq.h>
+#include <linux/pm_runtime.h>
+#include <scsi/scsi_device.h>
 #include "unipro.h"
-
-#include <asm/irq.h>
-#include <asm/byteorder.h>
-#include <scsi/scsi.h>
-#include <scsi/scsi_cmnd.h>
-#include <scsi/scsi_host.h>
-#include <scsi/scsi_tcq.h>
-#include <scsi/scsi_dbg.h>
-#include <scsi/scsi_eh.h>
-
 #include "ufs.h"
 #include "ufs_quirks.h"
 #include "ufshci.h"
diff --git a/drivers/scsi/ufs/ufshci.h b/drivers/scsi/ufs/ufshci.h
index a7ff0e5..f81aa95 100644
--- a/drivers/scsi/ufs/ufshci.h
+++ b/drivers/scsi/ufs/ufshci.h
@@ -11,6 +11,8 @@
 #ifndef _UFSHCI_H
 #define _UFSHCI_H
 
+#include <scsi/scsi_host.h>
+
 enum {
 	TASK_REQ_UPIU_SIZE_DWORDS	= 8,
 	TASK_RSP_UPIU_SIZE_DWORDS	= 8,
diff --git a/drivers/scsi/ufs/ufshpb.c b/drivers/scsi/ufs/ufshpb.c
index 40f365c..68c97a2 100644
--- a/drivers/scsi/ufs/ufshpb.c
+++ b/drivers/scsi/ufs/ufshpb.c
@@ -10,6 +10,10 @@
  */
 
 #include <asm/unaligned.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/module.h>
+#include <scsi/scsi_cmnd.h>
 
 #include "ufshcd.h"
 #include "ufshpb.h"
-- 
2.7.4