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sched,serial: Convert to sched_set_fifo()

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Because SCHED_FIFO is a broken scheduler model (see previous patches)
take away the priority field, the kernel can't possibly make an
informed decision.

Effectively no change.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2020-04-21 12:09:13 +02:00
parent a2bee0662f
commit 28d2f209cd
1 changed files with 1 additions and 2 deletions
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3
drivers/tty/serial/sc16is7xx.c
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@ -1179,7 +1179,6 @@ static int sc16is7xx_probe(struct device *dev,
const struct sc16is7xx_devtype *devtype, const struct sc16is7xx_devtype *devtype,
struct regmap *regmap, int irq) struct regmap *regmap, int irq)
{ {
struct sched_param sched_param = { .sched_priority = MAX_RT_PRIO / 2 };
unsigned long freq = 0, *pfreq = dev_get_platdata(dev); unsigned long freq = 0, *pfreq = dev_get_platdata(dev);
unsigned int val; unsigned int val;
u32 uartclk = 0; u32 uartclk = 0;
@ -1239,7 +1238,7 @@ static int sc16is7xx_probe(struct device *dev,
ret = PTR_ERR(s->kworker_task); ret = PTR_ERR(s->kworker_task);
goto out_clk; goto out_clk;
} }
sched_setscheduler(s->kworker_task, SCHED_FIFO, &sched_param); sched_set_fifo(s->kworker_task);
#ifdef CONFIG_GPIOLIB #ifdef CONFIG_GPIOLIB
if (devtype->nr_gpio) { if (devtype->nr_gpio) {