spi: dw: introduce spi_shutdown_chip()
This helper disables SPI controller and sets clock to 0.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
diff --git a/drivers/spi/spi-dw.c b/drivers/spi/spi-dw.c
index c8e7715..a730c35 100644
--- a/drivers/spi/spi-dw.c
+++ b/drivers/spi/spi-dw.c
@@ -546,22 +546,21 @@
if (dws->dma_ops && dws->dma_ops->dma_exit)
dws->dma_ops->dma_exit(dws);
- spi_enable_chip(dws, 0);
- /* Disable clk */
- spi_set_clk(dws, 0);
+
+ spi_shutdown_chip(dws);
}
EXPORT_SYMBOL_GPL(dw_spi_remove_host);
int dw_spi_suspend_host(struct dw_spi *dws)
{
- int ret = 0;
+ int ret;
ret = spi_master_suspend(dws->master);
if (ret)
return ret;
- spi_enable_chip(dws, 0);
- spi_set_clk(dws, 0);
- return ret;
+
+ spi_shutdown_chip(dws);
+ return 0;
}
EXPORT_SYMBOL_GPL(dw_spi_suspend_host);