[PATCH v2 02/12] mmc: core: First step in cleaning up public mmc header files

[Ulf Hansson <ulf.hansson@xxxxxxxxxx>]

This is the first step in cleaning up the public mmc header files. In this
change we makes sure each header file builds standalone, as that helps to
resolve dependencies.

While changing this, it also seems reasonable to stop including other
headers from inside a header itself which it don't depend upon.
Additionally, in some cases such dependencies are better resolved by
forward declaring the needed struct.

Signed-off-by: Ulf Hansson <ulf.hansson@xxxxxxxxxx>
---
 include/linux/mmc/card.h      | 2 --
 include/linux/mmc/core.h      | 3 +--
 include/linux/mmc/host.h      | 9 ++-------
 include/linux/mmc/mmc.h       | 2 ++
 include/linux/mmc/slot-gpio.h | 3 +++
 5 files changed, 8 insertions(+), 11 deletions(-)

diff --git a/include/linux/mmc/card.h b/include/linux/mmc/card.h
index 00449e5..ca64f5b 100644
--- a/include/linux/mmc/card.h
+++ b/include/linux/mmc/card.h
@@ -11,7 +11,6 @@
 #define LINUX_MMC_CARD_H
 
 #include <linux/device.h>
-#include <linux/mmc/core.h>
 #include <linux/mod_devicetable.h>
 
 struct mmc_cid {
@@ -206,7 +205,6 @@ struct sdio_cis {
 };
 
 struct mmc_host;
-struct mmc_ios;
 struct sdio_func;
 struct sdio_func_tuple;
 
diff --git a/include/linux/mmc/core.h b/include/linux/mmc/core.h
index e33cc74..64e2ddf 100644
--- a/include/linux/mmc/core.h
+++ b/include/linux/mmc/core.h
@@ -8,10 +8,9 @@
 #ifndef LINUX_MMC_CORE_H
 #define LINUX_MMC_CORE_H
 
-#include <linux/interrupt.h>
 #include <linux/completion.h>
+#include <linux/types.h>
 
-struct request;
 struct mmc_data;
 struct mmc_request;
 
diff --git a/include/linux/mmc/host.h b/include/linux/mmc/host.h
index 8bc8841..8d38c76 100644
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@@ -10,16 +10,12 @@
 #ifndef LINUX_MMC_HOST_H
 #define LINUX_MMC_HOST_H
 
-#include <linux/leds.h>
-#include <linux/mutex.h>
-#include <linux/timer.h>
 #include <linux/sched.h>
 #include <linux/device.h>
 #include <linux/fault-inject.h>
 
 #include <linux/mmc/core.h>
 #include <linux/mmc/card.h>
-#include <linux/mmc/mmc.h>
 #include <linux/mmc/pm.h>
 
 struct mmc_ios {
@@ -82,6 +78,8 @@ struct mmc_ios {
 	bool enhanced_strobe;			/* hs400es selection */
 };
 
+struct mmc_host;
+
 struct mmc_host_ops {
 	/*
 	 * It is optional for the host to implement pre_req and post_req in
@@ -162,9 +160,6 @@ struct mmc_host_ops {
 				  unsigned int direction, int blk_size);
 };
 
-struct mmc_card;
-struct device;
-
 struct mmc_async_req {
 	/* active mmc request */
 	struct mmc_request	*mrq;
diff --git a/include/linux/mmc/mmc.h b/include/linux/mmc/mmc.h
index a074082..261772e 100644
--- a/include/linux/mmc/mmc.h
+++ b/include/linux/mmc/mmc.h
@@ -24,6 +24,8 @@
 #ifndef LINUX_MMC_MMC_H
 #define LINUX_MMC_MMC_H
 
+#include <linux/types.h>
+
 /* Standard MMC commands (4.1)           type  argument     response */
    /* class 1 */
 #define MMC_GO_IDLE_STATE         0   /* bc                          */
diff --git a/include/linux/mmc/slot-gpio.h b/include/linux/mmc/slot-gpio.h
index a7972cd..82f0d28 100644
--- a/include/linux/mmc/slot-gpio.h
+++ b/include/linux/mmc/slot-gpio.h
@@ -11,6 +11,9 @@
 #ifndef MMC_SLOT_GPIO_H
 #define MMC_SLOT_GPIO_H
 
+#include <linux/types.h>
+#include <linux/irqreturn.h>
+
 struct mmc_host;
 
 int mmc_gpio_get_ro(struct mmc_host *host);
-- 
1.9.1

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