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Unverified Commit 13d515c7 authored by Vignesh R's avatar Vignesh R Committed by Mark Brown
Browse files

spi: omap2-mcspi: Switch to readl_poll_timeout() 



Use standard readl_poll_timeout() macro for polling on status bits.

Signed-off-by: default avatarVignesh R <vigneshr@ti.com>
Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c530cd1d

drivers/spi/spi-omap2-mcspi.c

+4 −13
Original line number Diff line number Diff line
@@ -33,6 +33,7 @@ 
#include <linux/of.h>

#include <linux/of_device.h>

#include <linux/gcd.h>

#include <linux/iopoll.h>



#include <linux/spi/spi.h>

#include <linux/gpio.h>
@@ -353,19 +354,9 @@ static void omap2_mcspi_set_fifo(const struct spi_device *spi, 


static int mcspi_wait_for_reg_bit(void __iomem *reg, unsigned long bit)

{

	unsigned long timeout;

	u32 val;



	timeout = jiffies + msecs_to_jiffies(1000);

	while (!(readl_relaxed(reg) & bit)) {

		if (time_after(jiffies, timeout)) {

			if (!(readl_relaxed(reg) & bit))

				return -ETIMEDOUT;

			else

				return 0;

		}

		cpu_relax();

	}

	return 0;

	return readl_poll_timeout(reg, val, val & bit, 1, MSEC_PER_SEC);

}



static void omap2_mcspi_rx_callback(void *data)