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Subject[PATCH] mmc: dw_mmc: Convert timers to use timer_setup()
In preparation for unconditionally passing the struct timer_list pointer to
all timer callbacks, switch to using the new timer_setup() and from_timer()
to pass the timer pointer explicitly.

Cc: Jaehoon Chung <jh80.chung@samsung.com>
Cc: Ulf Hansson <ulf.hansson@linaro.org>
Cc: linux-mmc@vger.kernel.org
Signed-off-by: Kees Cook <keescook@chromium.org>
---
drivers/mmc/host/dw_mmc.c | 23 +++++++++--------------
1 file changed, 9 insertions(+), 14 deletions(-)

diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c
index 37b55b095daf..0aa39975f33b 100644
--- a/drivers/mmc/host/dw_mmc.c
+++ b/drivers/mmc/host/dw_mmc.c
@@ -2991,9 +2991,9 @@ static void dw_mci_init_dma(struct dw_mci *host)
host->use_dma = TRANS_MODE_PIO;
}

-static void dw_mci_cmd11_timer(unsigned long arg)
+static void dw_mci_cmd11_timer(struct timer_list *t)
{
- struct dw_mci *host = (struct dw_mci *)arg;
+ struct dw_mci *host = from_timer(host, t, cmd11_timer);

if (host->state != STATE_SENDING_CMD11) {
dev_warn(host->dev, "Unexpected CMD11 timeout\n");
@@ -3005,9 +3005,9 @@ static void dw_mci_cmd11_timer(unsigned long arg)
tasklet_schedule(&host->tasklet);
}

-static void dw_mci_cto_timer(unsigned long arg)
+static void dw_mci_cto_timer(struct timer_list *t)
{
- struct dw_mci *host = (struct dw_mci *)arg;
+ struct dw_mci *host = from_timer(host, t, cto_timer);
unsigned long irqflags;
u32 pending;

@@ -3060,9 +3060,9 @@ static void dw_mci_cto_timer(unsigned long arg)
spin_unlock_irqrestore(&host->irq_lock, irqflags);
}

-static void dw_mci_dto_timer(unsigned long arg)
+static void dw_mci_dto_timer(struct timer_list *t)
{
- struct dw_mci *host = (struct dw_mci *)arg;
+ struct dw_mci *host = from_timer(host, t, dto_timer);
unsigned long irqflags;
u32 pending;

@@ -3257,14 +3257,9 @@ int dw_mci_probe(struct dw_mci *host)
}
}

- setup_timer(&host->cmd11_timer,
- dw_mci_cmd11_timer, (unsigned long)host);
-
- setup_timer(&host->cto_timer,
- dw_mci_cto_timer, (unsigned long)host);
-
- setup_timer(&host->dto_timer,
- dw_mci_dto_timer, (unsigned long)host);
+ timer_setup(&host->cmd11_timer, dw_mci_cmd11_timer, 0);
+ timer_setup(&host->cto_timer, dw_mci_cto_timer, 0);
+ timer_setup(&host->dto_timer, dw_mci_dto_timer, 0);

spin_lock_init(&host->lock);
spin_lock_init(&host->irq_lock);
--
2.7.4

--
Kees Cook
Pixel Security

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