[PATCH] drivers/macintosh: Convert timers to use timer_setup()

From: Kees Cook
Date: Tue Oct 24 2017 - 06:19:03 EST


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: Benjamin Herrenschmidt <benh@xxxxxxxxxxxxxxxxxxx>
Cc: linuxppc-dev@xxxxxxxxxxxxxxxx
Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx>
---
drivers/macintosh/smu.c | 10 ++++------
1 file changed, 4 insertions(+), 6 deletions(-)

diff --git a/drivers/macintosh/smu.c b/drivers/macintosh/smu.c
index ea9bdc85a21d..899ec1f4c833 100644
--- a/drivers/macintosh/smu.c
+++ b/drivers/macintosh/smu.c
@@ -103,7 +103,7 @@ static DEFINE_MUTEX(smu_part_access);
static int smu_irq_inited;
static unsigned long smu_cmdbuf_abs;

-static void smu_i2c_retry(unsigned long data);
+static void smu_i2c_retry(struct timer_list *t);

/*
* SMU driver low level stuff
@@ -582,9 +582,7 @@ static int smu_late_init(void)
if (!smu)
return 0;

- init_timer(&smu->i2c_timer);
- smu->i2c_timer.function = smu_i2c_retry;
- smu->i2c_timer.data = (unsigned long)smu;
+ timer_setup(&smu->i2c_timer, smu_i2c_retry, 0);

if (smu->db_node) {
smu->db_irq = irq_of_parse_and_map(smu->db_node, 0);
@@ -755,7 +753,7 @@ static void smu_i2c_complete_command(struct smu_i2c_cmd *cmd, int fail)
}


-static void smu_i2c_retry(unsigned long data)
+static void smu_i2c_retry(struct timer_list *unused)
{
struct smu_i2c_cmd *cmd = smu->cmd_i2c_cur;

@@ -795,7 +793,7 @@ static void smu_i2c_low_completion(struct smu_cmd *scmd, void *misc)
BUG_ON(cmd != smu->cmd_i2c_cur);
if (!smu_irq_inited) {
mdelay(5);
- smu_i2c_retry(0);
+ smu_i2c_retry(NULL);
return;
}
mod_timer(&smu->i2c_timer, jiffies + msecs_to_jiffies(5));
--
2.7.4


--
Kees Cook
Pixel Security