[PATCH 17/18] mmc: meson-gx: remove member mrq from struct meson_host

[Heiner Kallweit]

Struct mmc_command includes a reference to the related mmc_request.
Therefore we don't have to store mrq separately in struct meson_host.

Signed-off-by: Heiner Kallweit <hkallweit1 at gmail.com>
---
 drivers/mmc/host/meson-gx-mmc.c | 23 ++---------------------
 1 file changed, 2 insertions(+), 21 deletions(-)

diff --git a/drivers/mmc/host/meson-gx-mmc.c b/drivers/mmc/host/meson-gx-mmc.c
index 6721aee2..08ff29be 100644
--- a/drivers/mmc/host/meson-gx-mmc.c
+++ b/drivers/mmc/host/meson-gx-mmc.c
@@ -123,7 +123,6 @@
 struct meson_host {
 	struct	device		*dev;
 	struct	mmc_host	*mmc;
-	struct	mmc_request	*mrq;
 	struct	mmc_command	*cmd;
 
 	spinlock_t lock;
@@ -407,9 +406,6 @@ static void meson_mmc_request_done(struct mmc_host *mmc,
 {
 	struct meson_host *host = mmc_priv(mmc);
 
-	WARN_ON(host->mrq != mrq);
-
-	host->mrq = NULL;
 	host->cmd = NULL;
 	mmc_request_done(host->mmc, mrq);
 }
@@ -506,11 +502,6 @@ static void meson_mmc_start_cmd(struct mmc_host *mmc, struct mmc_command *cmd)
 
 static void meson_mmc_request(struct mmc_host *mmc, struct mmc_request *mrq)
 {
-	struct meson_host *host = mmc_priv(mmc);
-
-	WARN_ON(host->mrq != NULL);
-
-	host->mrq = mrq;
 	meson_mmc_start_cmd(mmc, mrq->cmd);
 }
 
@@ -535,7 +526,6 @@ static void meson_mmc_read_resp(struct mmc_host *mmc, struct mmc_command *cmd)
 static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 {
 	struct meson_host *host = dev_id;
-	struct mmc_request *mrq;
 	struct mmc_command *cmd;
 	u32 irq_en, status, raw_status;
 	irqreturn_t ret = IRQ_HANDLED;
@@ -545,11 +535,6 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 
 	cmd = host->cmd;
 
-	mrq = host->mrq;
-
-	if (WARN_ON(!mrq))
-		return IRQ_NONE;
-
 	if (WARN_ON(!cmd))
 		return IRQ_NONE;
 
@@ -598,7 +583,7 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 	else  {
 		dev_warn(host->dev, "Unknown IRQ! status=0x%04x: MMC CMD%u arg=0x%08x flags=0x%08x stop=%d\n",
 			 status, cmd->opcode, cmd->arg,
-			 cmd->flags, mrq->stop ? 1 : 0);
+			 cmd->flags, cmd->mrq->stop ? 1 : 0);
 		if (cmd->data) {
 			struct mmc_data *data = cmd->data;
 
@@ -623,14 +608,10 @@ static irqreturn_t meson_mmc_irq(int irq, void *dev_id)
 static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
 {
 	struct meson_host *host = dev_id;
-	struct mmc_request *mrq = host->mrq;
 	struct mmc_command *cmd = host->cmd;
 	struct mmc_data *data;
 	unsigned int xfer_bytes;
 
-	if (WARN_ON(!mrq))
-		return IRQ_NONE;
-
 	if (WARN_ON(!cmd))
 		return IRQ_NONE;
 
@@ -647,7 +628,7 @@ static irqreturn_t meson_mmc_irq_thread(int irq, void *dev_id)
 	if (mmc_op_multi(cmd->opcode))
 		meson_mmc_start_cmd(host->mmc, data->stop);
 	else
-		meson_mmc_request_done(host->mmc, mrq);
+		meson_mmc_request_done(host->mmc, cmd->mrq);
 
 	return IRQ_HANDLED;
 }
-- 
2.11.1